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  • 1. Ali, Alaa M. G.
    et al.
    Schmidt, Marjanka K.
    Bolla, Manjeet K.
    Wang, Qin
    Gago-Dominguez, M.
    Esteban Castelao, J.
    Carracedo, Angel
    Munoz Garzon, Victor
    Bojesen, Stig E.
    Nordestgaard, Borge G.
    Flyger, Henrik
    Chang-Claude, Jenny
    Vrieling, Alina
    Rudolph, Anja
    Seibold, Petra
    Nevanlinna, Heli
    Muranen, Taru A.
    Aaltonen, Kirsimari
    Blomqvist, Carl
    Matsuo, Keitaro
    Ito, Hidemi
    Iwata, Hiroji
    Horio, Akiyo
    John, Esther M.
    Sherman, Mark
    Lissowska, Jolanta
    Figueroa, Jonine
    Garcia-Closas, Montserrat
    Anton-Culver, Hoda
    Shah, Mitul
    Hopper, John L.
    Trichopoulou, Antonia
    Bueno-de-Mesquita, Bas
    Krogh, Vittorio
    Weiderpass, Elisabete
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Clavel-Chapelon, Francoise
    Dossus, Laure
    Fagherazzi, Guy
    Peeters, Petra H.
    Olsen, Anja
    Wishart, Gordon C.
    Easton, Douglas F.
    Borgquist, Signe
    Overvad, Kim
    Barricarte, Aurelio
    Gonzalez, Carlos A.
    Sanchez, Maria-Jose
    Amiano, Pilar
    Riboli, Elio
    Key, Tim
    Pharoah, Paul D.
    Alcohol Consumption and Survival after a Breast Cancer Diagnosis: A Literature-Based Meta-analysis and Collaborative Analysis of Data for 29,239 Cases2014Ingår i: Cancer Epidemiology, Biomarkers and Prevention, ISSN 1055-9965, E-ISSN 1538-7755, Vol. 23, nr 6, s. 934-945Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: Evidence for an association of alcohol consumption with prognosis after a diagnosis of breast cancer has been inconsistent. We have reviewed and summarized the published evidence and evaluated the association using individual patient data from multiple case cohorts. Methods: A MEDLINE search to identify studies published up to January 2013 was performed. We combined published estimates of survival time for "moderate drinkers" versus nondrinkers. An analysis of individual participant data using Cox regression was carried out using data from 11 case cohorts. Results: We identified 11 published studies suitable for inclusion in the meta-analysis. Moderate postdiagnosis alcohol consumption was not associated with overall survival [HR, 0.95; 95% confidence interval (CI), 0.85-1.05], but there was some evidence of better survival associated with prediagnosis consumption (HR, 0.80; 95% CI, 0.73-0.88). Individual data on alcohol consumption for 29,239 cases with 4,839 deaths were available from the 11 case cohorts, all of which had data on estrogen receptor (ER) status. For women with ER-positive disease, there was little evidence that pre-or postdiagnosis alcohol consumption is associated with breast cancer-specific mortality, with some evidence of a negative association with all-cause mortality. On the basis of a single study, moderate postdiagnosis alcohol intake was associated with a small reduction in breast cancer-specific mortality for women with ER-negative disease. There was no association with prediagnosis intake for women with ER-negative disease. Conclusion: There was little evidence that pre- or post-diagnosis alcohol consumption is associated with breast cancer-specific mortality for women with ER-positive disease. There was weak evidence that moderate post-diagnosis alcohol intake is associated with a small reduction in breast cancer-specific mortality in ER-negative disease. Impact: Considering the totality of the evidence, moderate postdiagnosis alcohol consumption is unlikely to have a major adverse effect on the survival of women with breast cancer.

  • 2.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Long-term side effects after treatment of Hodgkin's lymphoma2011Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
    Abstract [en]

    Background Long-term side effects associated with the treatment of Hodgkin’s lymphoma (HL) have frequently been reported during the last decades. Studies have shown increased mortality in HL survivors. Following Hodgkin’s lymphoma, second malignancies (SM) and cardiovascular disease (CVD) are the most common causes of death in individuals treated for HL. This study investigates the incidence of side effects such as SM, CVD and infections in a cohort diagnosed with HL in Sweden between 1965 and 1995. In addition, this study identifies covariate risk factors for late side effects in order to develop strategies that prevent morbidity and mortality in HL survivors.

    Methods Using the Swedish Cancer Registry (SCR) at the National Board of Health and Welfare and the Multi-Generation Registry at Statistics (MGR) Sweden, we identified 6946 individuals diagnosed with HL between the years 1965 and 1995, and their first degree relatives (FDR) (n=17 858). In addition we identified the malignancies and inpatient care for CVD and infections for the HL cohort and their FDR. The standard incidence ratio (SIR) was calculated for the risk of SM, CVD and infections. For SM and CVD the risk also was stratified and calculated for family history of disease. The Swedish Hodgkin Intervention and Prevention study (SHIP), a prospective study, invited 702 individuals treated for HL at the age of 45 years or younger and who were treated in the region of Skåne, Uppsala or Umeå. The participants completed a questionnaire and were invited to an out-patient visit to an oncologist with clinical examination and blood tests. Any pathological findings were referred for further investigation.

    Results An increased risk for SM in HL long-term survivors was observed and seems to increase with the number of FDRs with cancer. There was also an increased risk for inpatient care due to congestive heart failure (CHF) and coronary artery disease (CAD). A family history of CHF and CAD further increased the risk for these diseases. The risk for inpatient care due to infections was increased and remained increased after 20 years or longer. The risk for infections was associated with splenectomy and hypothyroidism. Radiotherapy was an independent risk factor for cardiovascular disease in the cohort of the prospective study.

    ConclusionLong-term survivors from HL have an increased risk for developing late side effects such as SM, CVD and infections. Since many HL patients are young and the cure rate from the disease is high, it is of great importance to offer focused surveillance programs to selected individuals who are at high risk, e.g. individuals who received radiotherapy as part of their treatment and who have other known risk factors for cardiovascular disease such as hypertension, hypercholesterolemia, family history and smoking.

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  • 3.
    Andersson, Anne
    et al.
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Enblad, Gunilla
    Department of Immunology, Genetics and Pathology, Section Experimental and Clinical Oncology, Uppsala University, Uppsala, Sweden.
    Erlanson, Martin
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Johansson, Ann Sofie
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Molin, Daniel
    Department of Immunology, Genetics and Pathology, Section Experimental and Clinical Oncology, Uppsala University, Uppsala, Sweden.
    Tavelin, Björn
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Näslund, Ulf
    Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Avdelningen för medicin.
    Melin, Beatrice S.
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    High risk of cardiovascular side effects after treatment of Hodgkin's lymphoma: is there a need for intervention in long-term survivors?2021Ingår i: Upsala Journal of Medical Sciences, ISSN 0300-9734, E-ISSN 2000-1967, Vol. 126, artikel-id e6117Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: Hodgkin lymphoma (HL) patients have a good prognosis after adequate treatment. Previous treatment with mantle field irradiation has been accompanied by an increased long-term risk of cardiovascular disease (CVD). This study identified co-morbidity factors for the development of cardiovascular side effects and initiated an intervention study aimed to decrease morbidity and mortality of CVD in HL survivors.

    Design: Hodgkin lymphoma patients aged ≤45 years diagnosed between 1965 and 1995 were invited to participate. In total, 453 patients completed a questionnaire that addressed co-morbidity factors and clinical symptoms. Of these, 319 accepted to participate in a structured clinical visit. The statistical analyses compared individuals with CVD with those with no CVD.

    Results: Cardiovascular disease was reported by 27.9%. Radiotherapy (odds ratio [OR]: 3.27), hypertension and hypercholesterolemia were shown to be independent risk factors for the development of CVD. The OR for CVD and valve disease in patients who received radiotherapy towards mediastinum was 4.48 and 6.07, respectively. At clinical visits, 42% of the patients were referred for further investigation and 24% of these had a cardiac ultrasound performed due to previously unknown heart murmurs.

    Conclusion: Radiotherapy towards mediastinum was an independent risk factor for CVD as well as hypercholesterolemia and hypertension. A reasonable approach as intervention for this cohort of patients is regular monitoring of hypertension and hypercholesterolemia and referral to adequate investigation when cardiac symptoms appear. Broad knowledge about the side effects from radiotherapy in the medical community and well-structured information regarding late side effects to the patients are all reasonable approaches as late effects can occur even 40 years after cancer treatment.

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  • 4.
    Andersson, Anne
    et al.
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Enblad, Gunilla
    Department of Oncology, Radiology and Clinical immunology, Section of Oncology, Uppsala University, Uppsala.
    Gustavsson, Anita
    Department of Oncology, Skåne University Hospital, Lund University, Lund .
    Erlanson, Martin
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Hagberg, Hans
    Department of Oncology, Radiology and Clinical immunology, Section of Oncology, Uppsala University, Uppsala .
    Molin, Daniel
    Department of Oncology, Radiology and Clinical immunology, Section of Oncology, Uppsala University, Uppsala .
    Tavelin, Björn
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Melin, Beatrice
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Long term risk of infections in Hodgkin lymphoma long-term survivors2011Ingår i: British Journal of Haematology, ISSN 0007-1048, E-ISSN 1365-2141, Vol. 154, nr 5, s. 661-663Artikel i tidskrift (Refereegranskat)
  • 5.
    Andersson, Anne
    et al.
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Enblad, Gunilla
    Uppsala universitet.
    Gustavsson, Anita
    Lunds universitet.
    Erlanson, Martin
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Hagberg, Hans
    Uppsala universitet.
    Molin, Daniel
    Uppsala universitet.
    Tavelin, Björn
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Näslund, Ulf
    Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Medicin.
    Melin, Beatrice
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Cardiovascular side effects following treatment of Hodgkin’s lymphoma: comorbidity factors and a strategy for interventionManuskript (preprint) (Övrigt vetenskapligt)
  • 6.
    Andersson, Anne
    et al.
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Enblad, Gunilla
    Tavelin, Björn
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Björkholm, Magnus
    Linderoth, Johan
    Lagerlöf, I
    Merup, Mats
    Sender, Mark
    Malmer, Beatrice
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Family history of cancer as a risk factor for second malignancies after Hodgkin's lymphoma2008Ingår i: British Journal of Cancer, ISSN 0007-0920, E-ISSN 1532-1827, Vol. 98, nr 5, s. 1001-1005Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This study estimated the risk of second primary malignancies after Hodgkin's lymphoma (HL) in relation to family history of cancer, age at diagnosis and latency, among 6946 patients treated for HL in Sweden in 1965–1995 identified through the Swedish Cancer Register (SCR). First-degree relatives (FDRs) to the HL patients and their malignancies were then ascertained together with their malignancies through the Multi-Generation Registry and SCR. The HL patient cohort was stratified on the number of FDRs with cancer, and standardised incidence ratios (SIRs) of developing SM were analysed. In the HL cohort, 781 SM were observed 1 year or longer after HL diagnosis. The risk for developing SM increased with the number of FDRs with cancer, SIRs being 2.26, 3.01, and 3.45 with 0, 1, or ≥2 FDRs with cancer, respectively. Hodgkin's lymphoma long-term survivors treated at a young age with a family history of cancer carry an increased risk for developing SM and may represent a subgroup where standardised screening for the most common cancer sites could be offered in a stringent surveillance programme.

  • 7.
    Andersson, Anne
    et al.
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Näslund, Ulf
    Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Medicin.
    Tavelin, Björn
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Enblad, Gunilla
    Gustavsson, Anita
    Malmer, Beatrice
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Long-term risk of cardiovascular disease in Hodgkin lymphoma survivors: retrospective cohort analyses and a concept for prospective intervention2009Ingår i: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 124, nr 8, s. 1914-1917Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Previous studies have shown increased cardiovascular mortality as late side effects in Hodgkin lymphoma (HL) patients. This study identifies stratifying risk factors for surveillance and defines concepts for a clinical feasible and noninvasive prospective protocol for intervention of cardiovascular side effects. HL patients diagnosed between 1965 and 1995 (n = 6.946) and their first-degree relatives (FDR) were identified through the Swedish Cancer Registry and the Swedish Multigeneration Registry. For the HL and FDR cohort, in-patient care for cardiovascular disease (CVD) was registered through the Hospital Discharge Registry, Sweden. Standard incidence ratios of developing CVD for the HL cohort were calculated. A markedly increased risk for in-patient care of CVD was observed in HL patients with HL diagnosed at age 40 years or younger and with more than 10 years follow-up. In the HL survivors, a family history of congestive heart failure (CHF) and coronary artery disease (CAD) increased the risk for these diseases. The Swedish Hodgkin Intervention and Prevention study started in 2007. In the pilot feasibility study for prospective intervention (47 patients), about 25% of the cases had side effects and laboratory abnormalities. These patients were referred to a cardiologist or general practitioner. In the prospective cohort, a positive family history for CHF or CAD could be a stratifying risk factor when setting up a surveillance model. The prospective on-going study presents an intervention model that screens and treats for comorbidity factors. This article also presents an overview of the study concept.

  • 8.
    Andersson, Anne
    et al.
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    von Wachenfeldt Väppling, Anna
    de Jong, Anna
    Nyström, Lennarth
    Umeå universitet, Medicinska fakulteten, Institutionen för epidemiologi och global hälsa.
    Adherence to adjuvant endocrine therapy after breast cancer in Sweden 2008-2010: a nationwide survey2019Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    Background: In estrogen receptor (ER) positive early breast cancer (EBC) adjuvant endocrine therapy (AET) is crucial to reduce recurrence and mortality. Previous studies have shown that adherence to AET is lower than expected and could negatively affect outcome. Since the year of 2000, BC patients in Sweden are treated in accordance to national guidelines. Treatment is offered at a low cost for the patient. The aim of the study was to estimate the adherence to AET in Sweden by regions and age groups. Methods: Women with a first primary EBC diagnosis 2008-2010 were identified through the Swedish Cancer Registry (SCR). Individual tumour and treatment data were retrieved from the Swedish National Breast Cancer Registry (SNBCR). Patients with ER negative tumours, small tumours (≤ 10 mm) and metastatic disease was excluded from the study since there were no indication to AET. Likewise, were individuals with AET registered to be administered by a third part excluded. Dispensed treatment from pharmacies was obtained through the Swedish Prescription Registry and medication possession rate (MPR) was calculated as number of dispensed doses divided by treatment duration in days. Good adherence to treatment in a patient was set at MPR ≥ 80 %. Adherence was calculated for 3 and 5 years. Results: Twenty-one thousand sixteen (21 016) individuals with a first primary BC between 2008 and 2010 was identified through SCR of which 20 596 were registered in the SNBCR. A total of 10 176 met the inclusion criteria in the study. Adherence after 3 years was 88.0 % and after 5 years 82.5 %. Adherence differed between regions in Sweden and was positively associated with age at diagnosis between 41-74 years. Urban areas had a lower adherence than rural areas (80.7 % vs 83.6 %; p= <0.001). Conclusions: Adherence to AET in Sweden was good, although there were differences by age and urban and rural areas. Further studies are needed to identify factors affecting differences in adherence, with the purpose of initiate actions to increase adherence to AET in ER positive EBC patients.

  • 9. Bergh, Jonas C. S.
    et al.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Bjohle, Judith
    Bosch, Ana
    Carlsson, Lena
    Dreifaldt, Ann Charlotte
    Einbeigi, Zakaria
    Fredholm, Hanna
    Isaksson-Friman, Erika
    Foukakis, Theodoros
    Elinder, Ellinor
    Hellstrom, Mats
    Johansson, Hemming
    Lekberg, Tobias
    Lindman, Henrik
    Maes, Claudia
    Brandberg, Yvonne
    Hatschek, Thomas
    Docetaxel, trastuzumab, pertuzumab versus trastuzumab emtansine as neoadjuvant treatment of HER2-positive breast cancer: results from the Swedish PREDIX HER2 trial identifying a new potential de-escalation standard?2019Ingår i: Journal of Clinical Oncology, ISSN 0732-183X, E-ISSN 1527-7755, Vol. 37, nr 15, s. 501-501Artikel i tidskrift (Övrigt vetenskapligt)
    Abstract [en]

    Background: Neoadjuvant therapy produces high rates of pathological complete response (pCR) and is the standard of care in HER2 positive breast cancer; however, the optimal treatment regimen remains to be established. Methods: In this randomized phase II study patients ≥18 years with HER2 positive breast cancer > 20mm or verified lymph node metastases were randomized to 6 courses of docetaxel, trastuzumab and pertuzumab (DTP, group A) or trastuzumab emtansine (T-DM1, group B), q 21 days. The protocol allowed switch to the competing treatment upon lack of response or drug-related severe toxicity. Patients received postoperative epirubicin+cyclophosphamide, trastuzumab for a total of one year and endocrine therapy. Accrual was completed in October 2018 after randomization of 202 patients, data on pCR were available for 190 at the time for this abstract submission. Median age, 52 years (26-74), menopausal status, histological type and grade were well balanced between the treatment groups. 62.6% of the tumors were hormone receptor (HR) positive. Results: Primary endpoint was pathological objective response. 190 patients completed the protocol-specified preoperative treatment. pCR was achieved in 45.3% of patients, 46.4% in patients treated with DTP and 44.1% with T-DM1 (chi-sq., p = 0.75). In HR-positive tumors, pCR was obtained in 35.3% of patients, 35.9% in group A vs. 34.6% in group B (p = 0.87); in HR-negative tumors, the overall pCR rate was 62.0%, 66.7% in group A vs. 57.9% in group B (p = 0.45). Severe (grade 3/4) toxicity was reported at 68 occasions related to DTP, compared with 16 related to T-DM1, 26 vs. 3 caused by febrile neutropenia. Significantly better quality of life was reported by patients treated with T-DM1. Conclusions: Our data on TDM-1 demonstrates similar efficacy and less toxicity, in particular for patients with HER2 and HR positive cancers, being a potential new standard for neoadjuvant therapy. Clinical trial information: NCT02568839.

  • 10. Brandberg, Yvonne
    et al.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Bjohle, Judith
    Bosch, Ana
    Carlsson, Lena
    Dreifaldt, Ann Charlotte
    Einbeigi, Zakaria
    Fredholm, Hanna
    Isaksson-Friman, Erika
    Foukakis, Theodoros
    Elinder, Ellinor
    Hellstrom, Mats
    Johansson, Hemming
    Lekberg, Tobias
    Lindman, Henrik
    Bergh, Jonas C. S.
    Hatschek, Thomas
    Health-related quality of life in the Swedish PREDIX HER2 trial, evaluating docetaxel, trastuzumab, pertuzumab versus trastuzumab emtansine as neoadjuvant treatment of HER2-positive breast cancer.2019Ingår i: Journal of Clinical Oncology, ISSN 0732-183X, E-ISSN 1527-7755, Vol. 37, nr 15, s. 583-583Artikel i tidskrift (Övrigt vetenskapligt)
    Abstract [en]

    Background: Neoadjuvant therapy combining docetaxel, trastuzumab and pertuzumab (DTP) was compared to trastuzumab emtansine (T-DM1) in the randomized phase 2 PREDIX HER2 trial. Patients, ≥18 years with HER2 positive breast cancer, ≥20mm or with verified lymph node metastases, were randomized to six courses of DTP (Standard arm) or T-DM1 (Experimental arm). Primary endpoint was pathological objective response to primary medical therapy at post-treatment surgery. Health related quality of life (HRQoL) was a secondary outcome, and is of specific interest as there was no difference between the randomization groups regarding the main endpoint (results presented in a separate abstract sent to ASCO 2019, Bergh et al.). Methods: Of 202 randomized patients, 190 are available for evaluation at this point. HRQoL was measured, using EORTC QLQ-C30 + EORTC QLQ-BR23, at baseline before randomization and after six courses. Results: No differences between the randomization arms were found at baseline. Results after six courses, based on 163 patients (86%) and adjusted to baseline values, revealed statistical significant differences (p≤0.01), favoring the experimental T-DM1 arm on 7 out of 15 of the EORTC QLQ-C30 variables (Physical functioning, Role functioning, Social functioning, Global quality of Life, Fatigue, Dyspnea, and Diarrhea). For the breast cancer specific questionnaire (EORTC-BR23), the experimental arm scored statistically significantly better on 5 out of 7 subscales (Body image, Sexual functioning, Sexual enjoyment, Systemic therapy side effects and Upset by hair loss). All of the statistical significant differences were of moderate or large clinical significance (≥10 scale scores). No differences between the randomization arms were found for the remaining HRQoL variables. Conclusions: The experimental arm reported better HRQoL than the control arm after six courses. Trastuzumab emtansine may be a useful treatment alternative due to better HRQoL and lower toxicity. Clinical trial information: NCT02568839.

  • 11. Clendenen, Tess V.
    et al.
    Ge, Wenzhen
    Koenig, Karen L.
    Axelsson, Tomas
    Liu, Mengling
    Afanasyeva, Yelena
    Andersson, Anne
    Arslan, Alan A.
    Chen, Yu
    Hallmans, Göran
    Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Näringsforskning.
    Lenner, Per
    Kirchhoff, Tomas
    Lundin, Eva
    Umeå universitet, Medicinska fakulteten, Institutionen för medicinsk biovetenskap, Patologi.
    Shore, Roy E.
    Sund, Malin
    Zeleniuch-Jacquotte, Anne
    Genetic Polymorphisms in Vitamin D Metabolism and Signaling Genes and Risk of Breast Cancer: a nested case-control study2015Ingår i: PLOS ONE, E-ISSN 1932-6203, Vol. 10, nr 10, artikel-id e0140478Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Genetic polymorphisms in vitamin D metabolism and signaling genes have been inconsistently associated with risk of breast cancer, though few studies have examined SNPs in vitamin D-related genes other than the vitamin D receptor (VDR) gene and particularly have not examined the association with the retinoid X receptor alpha (RXRA) gene which may be a key vitamin D pathway gene. We conducted a nested case-control study of 734 cases and 1435 individually matched controls from a population-based prospective cohort study, the Northern Sweden Mammary Screening Cohort. Tag and functional SNPs were genotyped for the VDR, cytochrome p450 24A1 (CYP24A1), and RXRA genes. We also genotyped specific SNPs in four other genes related to vitamin D metabolism and signaling (GC/VDBP, CYP2R1, DHCR7, and CYP27B1). SNPs in the CYP2R1, DHCR7, and VDBP gene regions that were associated with circulating 25(OH) D concentration in GWAS were also associated with plasma 25(OH) D in our study (p-trend < 0.005). After taking into account the false discovery rate, these SNPs were not significantly associated with breast cancer risk, nor were any of the other SNPs or haplotypes in VDR, RXRA, and CYP24A1. We observed no statistically significant associations between polymorphisms or haplotypes in key vitamin D-related genes and risk of breast cancer. These results, combined with the observation in this cohort and most other prospective studies of no association of circulating 25(OH) D with breast cancer risk, do not support an association between vitamin D and breast cancer risk.

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  • 12. Emaus, Marleen J.
    et al.
    van Gils, Carla H.
    Bakker, Marije F.
    Bisschop, Charlotte N. Steins
    Monninkhof, Evelyn M.
    Bueno-de-Mesquita, H. B(as)
    Travier, Noemie
    Berentzen, Tina Landsvig
    Overvad, Kim
    Tjonneland, Anne
    Romieu, Isabelle
    Rinaldi, Sabina
    Chajes, Veronique
    Gunter, Marc J.
    Clavel-Chapelon, Francoise
    Fagherazzi, Guy
    Mesrine, Sylvie
    Chang-Claude, Jenny
    Kaaks, Rudolf
    Boeing, Heiner
    Aleksandrova, Krasimira
    Trichopoulou, Antonia
    Naska, Androniki
    Orfanos, Philippos
    Palli, Domenico
    Agnoli, Claudia
    Tumino, Rosario
    Vineis, Paolo
    Mattiello, Amalia
    Braaten, Tonje
    Borch, Kristin Benjaminsen
    Lund, Eiliv
    Menendez, Virginia
    Sanchez, Maria-Jose
    Navarro, Carmen
    Barricarte, Aurelio
    Amiano, Pilar
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Borgquist, Signe
    Olsson, Asa
    Khaw, Kay-Tee
    Wareham, Nick
    Travis, Ruth C.
    Riboli, Elio
    Peeters, Petra H. M.
    May, Anne M.
    Weight change in middle adulthood and breast cancer risk in the EPIC-PANACEA study2014Ingår i: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 135, nr 12, s. 2887-2899Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Long-term weight gain (i.e., weight gain since age 20) has been related to higher risk of postmenopausal breast cancer, but a lower risk of premenopausal breast cancer. The effect of weight change in middle adulthood is unclear. We investigated the association between weight change in middle adulthood (i.e., women aged 40-50 years) and the risk of breast cancer before and after the age of 50. We included female participants of the European Prospective Investigation into Cancer and Nutrition cohort, with information on anthropometric measures at recruitment and after a median follow-up of 4.3 years. Annual weight change was categorized using quintiles taking quintile 2 and 3 as the reference category (-0.44 to 0.36 kg/year). Multivariable Cox proportional hazards regression analysis was used to examine the association. 205,723 women were included and 4,663 incident breast cancer cases were diagnosed during a median follow-up of 7.5 years (from second weight assessment onward). High weight gain (Q5: 0.83-4.98 kg/year) was related to a slightly, but significantly higher breast cancer risk (HRQ5_versus_Q2/3: 1.09, 95% CI: 1.01-1.18). The association was more pronounced for breast cancer diagnosed before or at age 50 (HRQ5_versus_Q2/3: 1.37, 95% CI: 1.02-1.85). Weight loss was not associated with breast cancer risk. There was no evidence for heterogeneity by hormone receptor status. In conclusion, high weight gain in middle adulthood increases the risk of breast cancer. The association seems to be more pronounced for breast cancer diagnosed before or at age 50. Our results illustrate the importance of avoiding weight gain in middle adulthood.

  • 13.
    Hatschek, Thomas
    et al.
    Breast Cancer Center, Karolinska University Hospital, Stockholm, Sweden;Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.
    Foukakis, Theodoros
    Breast Cancer Center, Karolinska University Hospital, Stockholm, Sweden;Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.
    Bjöhle, Judith
    Breast Cancer Center, Karolinska University Hospital, Stockholm, Sweden.
    Lekberg, Tobias
    Breast Cancer Center, Karolinska University Hospital, Stockholm, Sweden.
    Fredholm, Hanna
    Breast Cancer Center, Karolinska University Hospital, Stockholm, Sweden;Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.
    Elinder, Ellinor
    Department of Oncology, South Hospital, Stockholm, Sweden.
    Bosch, Ana
    Department of Hematology, Oncology and Radiation Physics, Skåne University Hospital, Lund, Sweden.
    Pekar, Gyula
    Department of Pathology, Skåne University Hospital, Lund, Sweden.
    Lindman, Henrik
    Department of Oncology, Uppsala University Hospital, Uppsala, Sweden.
    Schiza, Aglaia
    Department of Immunology, Genetics and Pathology, Uppsala University Hospital, Uppsala, Sweden.
    Einbeigi, Zakaria
    Department of Oncology, Southern Älvsborg Hospital, Borås, Sweden.
    Adra, Jamila
    Department of Oncology, Sahlgrenska University Hospital, Göteborg, Sweden.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Carlsson, Lena
    Department of Oncology, Sundsvall Hospital, Sundsvall, Sweden.
    Dreifaldt, Ann Charlotte
    Department of Oncology, Örebro University Hospital, Örebro, Sweden.
    Isaksson-Friman, Erika
    Department of Oncology, St Göran Hospital, Stockholm, Sweden.
    Agartz, Susanne
    Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.
    Azavedo, Edward
    Department of Radiology, Karolinska University Hospital, Stockholm, Sweden.
    Grybäck, Per
    Department of Nuclear Medicine, Karolinska University Hospital, Stockholm, Sweden.
    Hellström, Mats
    Central Trial Office, Clinical Trial Unit, Karolinska University Hospital, Stockholm, Sweden.
    Johansson, Hemming
    Central Trial Office, Clinical Trial Unit, Karolinska University Hospital, Stockholm, Sweden.
    Maes, Claudia
    Central Trial Office, Clinical Trial Unit, Karolinska University Hospital, Stockholm, Sweden.
    Zerdes, Ioannis
    Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.
    Hartman, Johan
    Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.
    Brandberg, Yvonne
    Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.
    Bergh, Jonas
    Breast Cancer Center, Karolinska University Hospital, Stockholm, Sweden;Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.
    Neoadjuvant trastuzumab, pertuzumab, and docetaxel vs trastuzumab emtansine in patients with ERBB2-positive breast cancer2021Ingår i: JAMA Oncology, ISSN 2374-2437, E-ISSN 2374-2445, Vol. 7, nr 9, s. 1360-1367Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Importance: Trastuzumab emtansine (T-DM1) is presently approved for treatment of advanced breast cancer and after incomplete response to neoadjuvant therapy, but the potential of T-DM1 as monotherapy is so far unknown.

    Objective: To assess pathologic complete response (pCR) to standard neoadjuvant therapy of combination docetaxel, trastuzumab, and pertuzumab (DTP) vs T-DM1 monotherapy in patients with ERBB2 (formerly HER2)-positive breast cancer.

    Design, Setting, and Participants: This randomized phase 2 trial, conducted at 9 sites in Sweden, enrolled 202 patients between December 1, 2014, and October 31, 2018. Participants were 18 years or older, with ERBB2-positive tumors larger than 20 mm and/or verified lymph node metastases. Analysis was performed on an intention-to-treat basis.

    Interventions: Patients were randomized to receive 6 cycles of DTP (standard group) or T-DM1 (investigational group). Crossover was recommended at lack of response or occurrence of intolerable toxic effects. Assessment with fluorine 18–labeled fluorodeoxyglucose (18F-FDG) positron emission tomography combined with computed tomography (PET-CT) was performed at baseline and after 2 and 6 treatment cycles.

    Main Outcome and Measures: Pathologic complete response, defined as ypT0 or Tis ypN0. Secondary end points were clinical and radiologic objective response; event-free survival, invasive disease-free survival, distant disease-free survival, and overall survival; safety; health-related quality of life (HRQoL); functional and biological tumor characteristics; and frequency of breast-conserving surgery.

    Results: Overall, 202 patients were randomized; 197 (99 women in the standard group [median age, 51 years (range, 26-73 years)] and 98 women in the investigational group [median age, 53 years (range, 28-74 years)]) were evaluable for the primary end point. Pathologic complete response was achieved in 45 patients in the standard group (45.5%; 95% CI 35.4%-55.8%) and 43 patients in the investigational group (43.9%; 95% CI 33.9%-54.3%). The difference was not statistically significant (P = .82). In a subgroup analysis, the pCR rate was higher in hormone receptor–negative tumors than in hormone receptor–positive tumors in both treatment groups (45 of 72 [62.5%] vs 45 of 125 [36.0%]). Three patients in the T-DM1 group experienced progression during therapy. In an exploratory analysis, tumor-infiltrating lymphocytes at 10% or more (median) estimated pCR significantly (odds ratio, 2.76; 95% CI, 1.42-5.36; P = .003). Response evaluation with 18F-FDG PET-CT revealed a relative decrease of maximum standardized uptake value by equal to or greater than 68.7% (median) was associated with pCR (odds ratio, 6.74, 95% CI, 2.75-16.51; P < .001).

    Conclusions and Relevance: In this study, treatment with standard neoadjuvant combination DTP was equal to T-DM1.

    Trial Registrations: ClinicalTrials.gov Identifier: NCT02568839; EudraCT number: 2014-000808-10

  • 14.
    Hughes, David J.
    et al.
    Cancer Biology and Therapeutics Group, School of Biomolecular and Biomedical Science, UCD Conway Institute, University College Dublin, Dublin, Ireland.
    Schomburg, Lutz
    Institute for Experimental Endocrinology, Charité – Medical University, Berlin, Germany.
    Jenab, Mazda
    International Agency for Research on Cancer (IARC-WHO), Lyon, France.
    Biessy, Carine
    International Agency for Research on Cancer (IARC-WHO), Lyon, France.
    Méplan, Catherine
    School of Biomedical, Nutritional and Sport Sciences, Newcastle University, Newcastle Upon Tyne, United Kingdom.
    Moskal, Aurelie
    International Agency for Research on Cancer (IARC-WHO), Lyon, France; Research on Healthcare Performance (RESHAPE), INSERM U1290, Université Claude Bernard Lyon 1, Lyon, France.
    Sun, Qian
    Institute for Experimental Endocrinology, Charité – Medical University, Berlin, Germany.
    Demircan, Kamil
    Institute for Experimental Endocrinology, Charité – Medical University, Berlin, Germany.
    Fedirko, Veronika
    Department of Epidemiology, MD Anderson Cancer Centre, TX, Houston, United States.
    Weiderpass, Elisabete
    International Agency for Research on Cancer (IARC-WHO), Lyon, France.
    Mukhtar, Maryam
    Cancer Biology and Therapeutics Group, School of Biomolecular and Biomedical Science, UCD Conway Institute, University College Dublin, Dublin, Ireland.
    Olsen, Anja
    Diet, Genes, and Environment, Danish Cancer Society Research Center, Copenhagen, Denmark; Institute of Public Health, Aarhus University, Aarhus, Denmark.
    Tjønneland, Anne
    Diet, Genes, and Environment, Danish Cancer Society Research Center, Copenhagen, Denmark; Institute of Public Health, University of Copenhagen, Copenhagen, Denmark.
    Overvad, Kim
    Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark; Section for Epidemiology, Department of Public Health, Aarhus University, Aarhus, Denmark.
    Schulze, Matthias
    Department of Molecular Epidemiology, German Institute of Human Nutrition, Nuthetal, Germany.
    Nøst, Therese Haugdahl
    Department of Community Medicine, UiT the Arctic University of Norway, Tromsø, Norway.
    Skeie, Guri
    Department of Community Medicine, UiT the Arctic University of Norway, Tromsø, Norway.
    Olsen, Karina Standahl
    Department of Community Medicine, UiT the Arctic University of Norway, Tromsø, Norway.
    Ricceri, Fulvio
    Department of Clinical and Biological Sciences, University of Turin, Turin, Italy; Unit of Epidemiology, Regional Health Service ASL TO3, TO, Grugliasco, Italy.
    Grioni, Sara
    Epidemiology and Prevention Unit, Fondazione IRCCS Istituto Nazionale Dei Tumori di Milano, Milano, Italy.
    Palli, Domenico
    Cancer Risk Factors and Life-Style Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Florence, Italy.
    Masala, Giovanna
    Cancer Risk Factors and Life-Style Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Florence, Italy.
    Tumino, Rosario
    Hyblean Association for Epidemiological Research, AIRE ONLUS Ragusa, Italy.
    Pasanisi, Fabrizio
    Departiment Di Medicina Clinica E Chirurgia Federico Ii University, Naples, Italy.
    Amiano, Pilar
    Ministry of Health of the Basque Government, Sub Directorate for Public Health and Addictions of Gipuzkoa, San Sebastian, Spain; Biodonostia Health Research Institute, Epidemiology of Chronic and Communicable Diseases Group, San Sebastián, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain.
    Colorado Yohar, Sandra M.
    Department of Epidemiology, Murcia Regional Health Council, IMIB, Murcia, Spain; Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain; Research Group on Demography and Health, National Faculty of Public Health, University of Antioquia, Medellín, Colombia.
    Agudo, Antonio
    Unit of Nutrition and Cancer, Catalan Institute of Oncology - ICO, L'Hospitalet de Llobregat, Spain; Nutrition and Cancer Group, Epidemiology, Public Health, Cancer Prevention and Palliative Care Program, Bellvitge Biomedical Research Institute - IDIBELL, L'Hospitalet de Llobregat, Spain.
    Sánchez, Maria-Jose
    Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain; Escuela Andaluza de Salud Pública (EASP), Granada, Spain; Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain; Department of Preventive Medicine and Public Health, University of Granada, Granada, Spain.
    Ardanaz, Eva
    Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain; Navarra Public Health Institute, Pamplona, Spain; IdiSNA, Navarra Institute for Health Research, Pamplona, Spain.
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap. Department of Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Perez-Cornago, Aurora
    Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom.
    Travis, Ruth
    Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom.
    Heath, Alicia K.
    Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom.
    Dossus, Laure
    International Agency for Research on Cancer (IARC-WHO), Lyon, France.
    Prediagnostic selenium status, selenoprotein gene variants and association with breast cancer risk in a European cohort study2023Ingår i: Free Radical Biology & Medicine, ISSN 0891-5849, E-ISSN 1873-4596, Vol. 209, s. 381-393Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Selenium (Se) may help prevent breast cancer (BC) development. Owing to limited observational evidence, we investigated whether prediagnostic Se status and/or variants in the selenoprotein genes are associated with BC risk in a large European cohort. Se status was assessed by plasma measures of Se and its major circulating proteins, selenoprotein P (SELENOP) and glutathione peroxidase 3 (GPX3), in matched BC case-control pairs (2208 for SELENOP; 1785 for GPX3 and Se) nested within the European Prospective Investigation into Cancer and Nutrition (EPIC). Single nucleotide polymorphisms (SNPs, n = 452) in 55 selenoprotein and Se metabolic pathway genes and an additional 18 variants previously associated with Se concentrations were extracted from existing genotyping data within EPIC for 1564 case-control pairs. Multivariable-adjusted logistic regression models were used to calculate the odds ratios (ORs) and 95 % confidence intervals (CIs) of the association between Se status markers, SNP variants and BC risk. Overall, there was no statistically significant association of Se status with BC risk. However, higher GPX3 activity was associated with lower risk of premenopausal BC (4th versus 1st quartile, OR = 0.54, 95 % CI: 0.30–0.98, Ptrend = 0.013). While none of the genetic variant associations (P ≤ 0.05) retained significance after multiple testing correction, rs1004243 in the SELENOM selenoprotein gene and two SNPs in the related antioxidant TXN2 gene (rs4821494 and rs5750261) were associated with respective lower and higher risks of BC at a significance threshold of P ≤ 0.01. Fourteen SNPs in twelve Se pathway genes (P ≤ 0.01) in interaction with Se status were also associated with BC risk. Higher Se status does not appear to be associated with BC risk, although activity of the selenoenzyme GPX3 may be inversely associated with premenopausal BC risk, and SNPs in the Se pathway alone or in combination with suboptimal Se status may influence BC risk.

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  • 15. Kaaks, Rudolf
    et al.
    Johnson, Theron
    Tikk, Kaja
    Sookthai, Disorn
    Tjønneland, Anne
    Roswall, Nina
    Overvad, Kim
    Clavel-Chapelon, Françoise
    Boutron-Ruault, Marie-Christine
    Dossus, Laure
    Rinaldi, Sabina
    Romieu, Isabelle
    Boeing, Heiner
    Schütze, Madlen
    Trichopoulou, Antonia
    Lagiou, Pagona
    Trichopoulos, Dimitrios
    Palli, Domenico
    Grioni, Sara
    Tumino, Rosario
    Sacerdote, Carlotta
    Panico, Salvatore
    Buckland, Genevieve
    Argüelles, Marcial
    Sánchez, María-José
    Amiano, Pilar
    Chirlaque, Maria-Dolores
    Ardanaz, Eva
    Bueno-de-Mesquita, H Bas
    van Gils, Carla H
    Peeters, Petra H
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Weiderpass, Elisabete
    Gram, Inger Torhild
    Lund, Eiliv
    Khaw, Kay-Tee
    Wareham, Nick
    Key, Timothy J
    Travis, Ruth C
    Merritt, Melissa A
    Gunter, Marc J
    Riboli, Elio
    Lukanova, Annekatrin
    Umeå universitet, Medicinska fakulteten, Institutionen för medicinsk biovetenskap, Patologi.
    Insulin-like growth factor I and risk of breast cancer by age and hormone receptor status: A prospective study within the EPIC cohort2014Ingår i: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 134, nr 11, s. 2683-2690Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Experimental evidence shows cross-talk in mammary cells between estrogen, insulin-like growth factor I (IGF-I) and their respective receptors and possible synergistic effects of estrogen receptor (ER) activation and increased IGF-I signaling with regard to breast tumor development, and epidemiological evidence suggests that circulating IGF-I levels may be related more to the risk of ER-positive than ER-negative breast cancer. Using a case–control study nested within the prospective European EPIC cohort (938 breast cancer cases and 1,394 matched control subjects), we analyzed the relationships of prediagnostic serum IGF-I levels with the risk of estrogen and progesterone receptor-positive and -negative breast tumors. IGF-I levels were positively associated with the risk of ER+ breast tumors overall (pre- and postmenopausal women combined, odds ratio (OR)Q4-Q1 = 1.41 [95% confidence interval (CI) 1.01–1.98] for the highest vs. lowest quartile; OR = 1.17 [95% CI 1.04–1.33] per 1-standard deviation (SD) increase in IGF-I, ptrend = 0.01) and among women who were diagnosed with breast cancer at 50 years or older (ORQ3-Q1 = 1.38 [95% CI 1.01–1.89]; OR = 1.19 [95% CI 1.04–1.36] per 1-SD increase in IGF-I, ptrend = 0.01) but not with receptor-positive disease diagnosed at an earlier age. No statistically significant associations were observed for ER− breast tumors overall and by age at diagnosis. Tests for heterogeneity by receptor status of the tumor were not statistically significant, except for women diagnosed with breast cancer at 50 years or older (phet = 0.03 for ER+/PR+ vs. ER−/PR− disease). Our data add to a global body of evidence indicating that higher circulating IGF-I levels may increase risk specifically of receptor-positive, but not receptor-negative, breast cancer diagnosed at 50 years or older.

  • 16. Kaaks, Rudolf
    et al.
    Tikk, Kaja
    Sookthai, Disorn
    Schock, Helena
    Johnson, Theron
    Tjonneland, Anne
    Olsen, Anja
    Overvad, Kim
    Clavel-Chapelon, Francoise
    Dossus, Laure
    Baglietto, Laura
    Rinaldi, Sabina
    Chajes, Veronique
    Romieu, Isabelle
    Boeing, Heiner
    Schuetze, Madlen
    Trichopoulou, Antonia
    Lagiou, Pagona
    Trichopoulos, Dimitrios
    Palli, Domenico
    Sieri, Sabina
    Tumino, Rosario
    Ricceri, Fulvio
    Mattiello, Amalia
    Buckland, Genevieve
    Ramon Quiros, Jose
    Sanchez, Maria-Jose
    Amiano, Pilar
    Chirlaque, Maria-Dolores
    Barricarte, Aurelio
    Bas Bueno-de-Mesquita, H.
    van Gils, Carla H.
    Peeters, Petra H.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Weiderpass, Elisabete
    Khaw, Kay-Tee
    Wareham, Nick
    Key, Timothy J.
    Travis, Ruth C.
    Merritt, Melissa A.
    Gunter, Marc J.
    Riboli, Elio
    Lukanova-McGregor, Annekatrin
    Premenopausal serum sex hormone levels in relation to breast cancer risk, overall and by hormone receptor status-Results from the EPIC cohort2014Ingår i: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 134, nr 8, s. 1947-1957Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Results from prospective studies on premenopausal serum hormone levels in relation to breast cancer risk have been inconclusive, especially with regard to tumor subtypes. Using a case-control study nested within the prospective European Prospective Investigation into Cancer and Nutrition (EPIC) cohort (801 breast cancer cases and 1,132 matched control subjects), we analyzed the relationships of prediagnostic serum estradiol, free estradiol, progesterone, testosterone, free testosterone and sex hormone-binding globulin (SHBG) levels with the risk of breast cancer by estrogen and progesterone receptor-positive and -negative breast tumors and by age at diagnoses. Higher prediagnostic serum levels of testosterone and free testosterone were associated with an increased overall risk of breast cancer [ORQ4-Q1=1.56 (95% CI 1.15-2.13), p(trend)=0.02 for testosterone and ORQ4-Q1=1.33 (95% CI 0.99-1.79), p(trend)=0.04 for free testosterone], but no significant risk association was observed for estradiol, free estradiol, progesterone and SHBG. Tests for heterogeneity between receptor-positive and -negative tumors were not significant. When analysis were stratified by age at tumor diagnosis, the odds ratios observed for estradiol were stronger and borderline significant for breast cancer diagnosed at age less than 50 [ORQ4-Q1=1.32 (95% CI 0.87-2.01), p(trend)=0.05] compared to breast cancer diagnosed at age 50 or above [ORQ4-Q1=0.94 (95% CI 0.60-1.47), p(trend)=0.34, p(het)=0.04]. In conclusion, our data indicate that higher premenopausal circulating testosterone levels are associated with an increased risk of developing breast cancer, but do not show a significant association of estradiol or progesterone with breast cancer risk, overall, by menstrual cycle phase or by tumor receptor status, although a possible risk increase with higher estradiol levels for tumors diagnosed before age 50 was seen.

  • 17. Kühn, Tilman
    et al.
    Kaaks, Rudolf
    Becker, Susen
    Eomois, Piia-Piret
    Clavel-Chapelon, Françoise
    Kvaskoff, Marina
    Dossus, Laure
    Tjønneland, Anne
    Olsen, Anja
    Overvad, Kim
    Chang-Claude, Jenny
    Lukanova, Annekatrin
    Buijsse, Brian
    Boeing, Heiner
    Trichopoulou, Antonia
    Lagiou, Pagona
    Bamia, Christina
    Masala, Giovanna
    Krogh, Vittorio
    Sacerdote, Carlotta
    Tumino, Rosario
    Mattiello, Amalia
    Buckland, Genevieve
    Sánchez, María-José
    Menéndez, Virginia
    Chirlaque, María-Dolores
    Barricarte, Aurelio
    Bueno-de-Mesquita, H Bas
    van Duijnhoven, Fränzel J B
    van Gils, Carla H
    Bakker, Marije F
    Weiderpass, Elisabete
    Skeie, Guri
    Brustad, Magritt
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Wareham, Nick
    Khaw, Kay Tee
    Travis, Ruth C
    Schmidt, Julie A
    Rinaldi, Sabina
    Romieu, Isabelle
    Gallo, Valentina
    Murphy, Neil
    Riboli, Elio
    Linseisen, Jakob
    Plasma 25-hydroxyvitamin D and the risk of breast cancer in the European prospective investigation into cancer and nutrition: A nested case-control study2013Ingår i: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 133, nr 7, s. 1689-1700Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Experimental evidence suggests that vitamin D might play a role in the development of breast cancer. Although the results of case-control studies indicate that circulating 25-hydroxyvitamin D [25(OH)D] is inversely associated with the risk of breast cancer, the results of prospective studies are inconsistent. A case-control study embedded in the European Prospective Investigation into Cancer and Nutrition (EPIC) was carried out comprising 1,391 incident breast cancer cases and 1,391 controls. Multivariable conditional logistic regression models did not reveal a significant overall association between season-standardized 25(OH)D levels and the risk of breast cancer (ORQ4-Q1 [95% CI]: 1.07 [0.85-1.36], ptrend = 0.67). Moreover, 25(OH)D levels were not related to the risks of estrogen receptor positive tumors (ORQ4-Q1 [95% CI]: 0.97 [0.67-1.38], ptrend = 0.90) and estrogen receptor negative tumors (ORQ4-Q1 [95% CI]: 0.97 [0.66-1.42], ptrend = 0.98). In hormone replacement therapy (HRT) users, 25(OH)D was significantly inversely associated with incident breast cancer (ORlog2 [95% CI]: 0.62 [0.42-0.90], p = 0.01), whereas no significant association was found in HRT nonusers (ORlog2 [95% CI]: 1.14 [0.80-1.62], p = 0.48). Further, a nonsignificant inverse association was found in women with body mass indices (BMI) < 25 kg/m(2) (ORlog2 [95% CI]: 0.83 [0.67-1.03], p = 0.09), as opposed to a borderline significant positive association in women with BMI ≥ 25 kg/m(2) (ORlog2 [95% CI]: 1.30 [1.0-1.69], p = 0.05). Overall, prediagnostic levels of circulating 25(OH)D were not related to the risk of breast cancer in the EPIC study. This result is in line with findings in the majority of prospective studies and does not support a role of vitamin D in the development of breast cancer.

  • 18. McKenzie, Fiona
    et al.
    Ferrari, Pietro
    Freisling, Heinz
    Chajes, Veronique
    Rinaldi, Sabina
    de Batlle, Jordi
    Dahm, Christina C.
    Overvad, Kim
    Baglietto, Laura
    Dartois, Laureen
    Dossus, Laure
    Lagiou, Pagona
    Trichopoulos, Dimitrios
    Trichopoulou, Antonia
    Krogh, Vittorio
    Panico, Salvatore
    Tumino, Rosario
    Rosso, Stefano
    Bueno-de-Mesquita, H. B(As)
    May, Anne
    Peeters, Petra H.
    Weiderpass, Elisabete
    Buckland, Genevieve
    Sanchez, Maria-Jose
    Navarro, Carmen
    Ardanaz, Eva
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Ericson, Ulrika
    Wirfalt, Elisabet
    Key, Tim J.
    Travis, Ruth C.
    Gunter, Marc
    Riboli, Elio
    Vergnaud, Anne-Claire
    Romieu, Isabelle
    Healthy lifestyle and risk of breast cancer among postmenopausal women in the European Prospective Investigation into Cancer and Nutrition cohort study2015Ingår i: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 136, nr 11, s. 2640-2648Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Breast cancer is the most common cancer among women and prevention strategies are needed to reduce incidence worldwide. A healthy lifestyle index score (HLIS) was generated to investigate the joint effect of modifiable lifestyle factors on postmenopausal breast cancer risk. The study included 242,918 postmenopausal women from the multinational European Prospective Investigation into Cancer and Nutrition (EPIC) cohort, with detailed information on diet and lifestyle assessed at baseline. The HLIS was constructed from five factors (diet, physical activity, smoking, alcohol consumption and anthropometry) by assigning scores of 0-4 to categories of each component, for which higher values indicate healthier behaviours. Hazard ratios (HR) were estimated by Cox proportional regression models. During 10.9 years of median follow-up, 7,756 incident breast cancer cases were identified. There was a 3% lower risk of breast cancer per point increase of the HLIS. Breast cancer risk was inversely associated with a high HLIS when fourth versus second (reference) categories were compared [adjusted HR=0.74; 95% confidence interval (CI): 0.66-0.83]. The fourth versus the second category of the HLIS was associated with a lower risk for hormone receptor double positive (adjusted HR=0.81, 95% CI: 0.67-0.98) and hormone receptor double negative breast cancer (adjusted HR=0.60, 95% CI: 0.40-0.90). Findings suggest having a high score on an index of combined healthy behaviours reduces the risk of developing breast cancer among postmenopausal women. Programmes which engage women in long term health behaviours should be supported. What's new? How much does behavior really affect cancer risk? These authors set out to measure just that. First, they created a Healthy Lifestyle Index, which quantified five modifiable behaviors, such as smoking and physical activity. Then, using data from the European Prospective Investigation into Cancer and Nutrition (EPIC), they assigned each participant a score between 0 and 4 on each of the behaviors. It turned out that with each point added to a person's Healthy Lifestyle Index score, breast cancer risk fell by 3%, suggesting that public programs to help women maintain these behaviors could be worthwhile for cancer prevention.

  • 19. Ricceri, Fulvio
    et al.
    Fasanelli, Francesca
    Giraudo, Maria Teresa
    Sieri, Sabina
    Tumino, Rosario
    Mattiello, Amalia
    Vagliano, Liliana
    Masala, Giovanna
    Ramon Quiros, J.
    Travier, Noemie
    Sanchez, Maria-Jose
    Larranaga, Nerea
    Chirlaque, Maria-Dolores
    Ardanaz, Eva
    Tjonneland, Anne
    Olsen, Anja
    Overvad, Kim
    Chang-Claude, Jenny
    Kaaks, Rudolf
    Boeing, Heiner
    Clavel-Chapelon, Franc Oise
    Kvaskoff, Marina
    Dossus, Laure
    Trichopoulou, Antonia
    Benetou, Vassiliki
    Adarakis, George
    Bueno-de-Mesquita, H. B(As)
    Peeters, Petra H.
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Borgquist, Signe
    Butt, Salma
    Weiderpass, Elisabete
    Skeie, Guri
    Khaw, Kay-Tee
    Travis, Ruth C.
    Rinaldi, Sabina
    Romieu, Isabelle
    Gunter, Marc
    Kadi, Mai
    Riboli, Elio
    Vineis, Paolo
    Sacerdote, Carlotta
    Risk of second primary malignancies in women with breast cancer: Results from the European prospective investigation into cancer and nutrition (EPIC)2015Ingår i: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 137, nr 4, s. 940-948Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Women with a diagnosis of breast cancer are at increased risk of second primary cancers, and the identification of risk factors for the latter may have clinical implications. We have followed-up for 11 years 10,045 women with invasive breast cancer from a European cohort, and identified 492 second primary cancers, including 140 contralateral breast cancers. Expected and observed cases and Standardized Incidence Ratios (SIR) were estimated using Aalen-Johansen Markovian methods. Information on various risk factors was obtained from detailed questionnaires and anthropometric measurements. Cox proportional hazards regression models were used to estimate the role of risk factors. Women with breast cancer had a 30% excess risk for second malignancies (95% confidence interval-CI 18-42) after excluding contralateral breast cancers. Risk was particularly elevated for colorectal cancer (SIR, 1.71, 95% CI 1.43-2.00), lymphoma (SIR 1.80, 95% CI 1.31-2.40), melanoma (2.12; 1.63-2.70), endometrium (2.18; 1.75-2.70) and kidney cancers (2.40; 1.57-3.52). Risk of second malignancies was positively associated with age at first cancer, body mass index and smoking status, while it was inversely associated with education, post-menopausal status and a history of full-term pregnancy. We describe in a large cohort of women with breast cancer a 30% excess of second primaries. Among risk factors for breast cancer, a history of full-term pregnancy was inversely associated with the risk of second primary cancer. What's new? For the first time, researchers have used cohort data to show that people who survive breast cancer have a higher risk of developing another cancer later. By collecting data on 10,000 breast cancer patients over 11 years, these authors calculated a 30% boost in the patients' risk of developing a second primary malignancy, particularly colorectal cancer, lymphoma, melanoma, endometrial cancer, and kidney cancer. These findings, plus the data they collected on risk factors such as age, smoking, body mass index, and others, will help guide clinicians in screening procedures and follow up care for breast cancer patients.

  • 20. Ritte, Rebecca
    et al.
    Lukanova, Annekatrin
    Tjonneland, Anne
    Olsen, Anja
    Overvad, Kim
    Mesrine, Sylvie
    Fagherazzi, Guy
    Dossus, Laure
    Teucher, Birgit
    Steindorf, Karen
    Boeing, Heiner
    Aleksandrova, Krasimira
    Trichopoulou, Antonia
    Lagiou, Pagona
    Trichopoulos, Dimitrios
    Palli, Domenico
    Grioni, Sara
    Mattiello, Amalia
    Tumino, Rosario
    Sacerdote, Carlotta
    Ramon Quiros, Jose
    Buckland, Genevieve
    Molina-Montes, Esther
    Chirlaque, Maria-Dolores
    Ardanaz, Eva
    Amiano, Pilar
    Bueno-de-Mesquita, Bas
    van Duijnhoven, Franzel
    van Gils, Carla H.
    Peeters, Petra H. M.
    Wareham, Nick
    Khaw, Kay-Tee
    Key, Timothy J.
    Travis, Ruth C.
    Krum-Hansen, Sanda
    Gram, Inger Torhild
    Lund, Eiliv
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Romieu, Isabelle
    Rinaldi, Sabina
    McCormack, Valerie
    Riboli, Elio
    Kaaks, Rudolf
    Height, age at menarche and risk of hormone receptor-positive and -negative breast cancer: A cohort study2013Ingår i: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 132, nr 11, s. 2619-2629Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Associations of breast cancer overall with indicators of exposures during puberty are reasonably well characterized; however, uncertainty remains regarding the associations of height, leg length, sitting height and menarcheal age with hormone receptor-defined malignancies. Within the European Prospective Investigation into Cancer and Nutrition cohort, Cox proportional hazards models were used to describe the relationships of adult height, leg length and sitting height and age at menarche with risk of estrogen and progesterone receptor negative (ER-PR-) (n = 990) and ER+PR+ (n = 3,524) breast tumors. Height as a single risk factor was compared to a model combining leg length and sitting height. The possible interactions of height, leg length and sitting height with menarche were also analyzed. Risk of both ER-PR- and ER+PR+ malignancies was positively associated with standing height, leg length and sitting height and inversely associated with increasing age at menarche. For ER+PR+ disease, sitting height (hazard ratios: 1.14[95% confidence interval: 1.081.20]) had a stronger risk association than leg length (1.05[1.001.11]). In comparison, for ER-PR- disease, no distinct differences were observed between leg length and sitting height. Women who were tall and had an early menarche (13 years) showed an almost twofold increase in risk of ER+PR+ tumors but no such increase in risk was observed for ER-PR- disease. Indicators of exposures during rapid growth periods were associated with risks of both HR-defined breast cancers. Exposures during childhood promoting faster development may establish risk associations for both HR-positive and negative malignancies. The stronger associations of the components of height with ER+PR+ tumors among older women suggest possible hormonal links that could be specific for postmenopausal women.

  • 21. Ritte, Rebecca
    et al.
    Tikk, Kaja
    Lukanova, Annekatrin
    Tjonneland, Anne
    Olsen, Anja
    Overvad, Kim
    Dossus, Laure
    Fournier, Agnes
    Clavel-Chapelon, Francoise
    Grote, Verena
    Boeing, Heiner
    Aleksandrova, Krasimira
    Trichopoulou, Antonia
    Lagiou, Pagona
    Trichopoulos, Dimitrios
    Palli, Domenico
    Berrino, Franco
    Mattiello, Amalia
    Tumino, Rosario
    Sacerdote, Carlotta
    Ramon Quiros, Jose
    Buckland, Genevieve
    Molina-Montes, Esther
    Chirlaque, Maria-Dolores
    Ardanaz, Eva
    Amiano, Pilar
    Bueno-de-Mesquita, H. Bas
    van Gils, Carla H.
    Peeters, Petra H. M.
    Wareham, Nick
    Khaw, Kay-Tee
    Key, Timothy J.
    Travis, Ruth C.
    Weiderpass, Elisabete
    Dumeaux, Vanessa
    Lund, Eliv
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi. Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Professionell utveckling.
    Romieu, Isabelle
    Rinaldi, Sabina
    Vineis, Paulo
    Merritt, Melissa A.
    Riboli, Elio
    Kaaks, Rudolf
    Reproductive factors and risk of hormone receptor positive and negative breast cancer: a cohort study2013Ingår i: BMC Cancer, ISSN 1471-2407, E-ISSN 1471-2407, Vol. 13, s. Article Number: 584-Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: The association of reproductive factors with hormone receptor (HR)-negative breast tumors remains uncertain. Methods: Within the EPIC cohort, Cox proportional hazards models were used to describe the relationships of reproductive factors (menarcheal age, time between menarche and first pregnancy, parity, number of children, age at first and last pregnancies, time since last full-term childbirth, breastfeeding, age at menopause, ever having an abortion and use of oral contraceptives [OC]) with risk of ER-PR-(n = 998) and ER+PR+ (n = 3,567) breast tumors. Results: A later first full-term childbirth was associated with increased risk of ER+PR+ tumors but not with risk of ER-PR-tumors (= 35 vs. = 19 years HR: 1.47 [95% CI 1.15-1.88] p(trend) < 0.001 for ER+PR+ tumors; = 35 vs. = 19 years HR: 0.93 [95% CI 0.53-1.65] p(trend) = 0.96 for ER-PR-tumors; P-het = 0.03). The risk associations of menarcheal age, and time period between menarche and first full-term childbirth with ER-PR-tumors were in the similar direction with risk of ER+PR+ tumors (p(het) = 0.50), although weaker in magnitude and statistically only borderline significant. Other parity related factors such as ever a full-term birth, number of births, age-and time since last birth were associated only with ER+PR+ malignancies, however no statistical heterogeneity between breast cancer subtypes was observed. Breastfeeding and OC use were generally not associated with breast cancer subtype risk. Conclusion: Our study provides possible evidence that age at menarche, and time between menarche and first full-term childbirth may be associated with the etiology of both HR-negative and HR-positive malignancies, although the associations with HR-negative breast cancer were only borderline significant.

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  • 22. Sieri, Sabina
    et al.
    Chiodini, Paolo
    Agnoli, Claudia
    Pala, Valeria
    Berrino, Franco
    Trichopoulou, Antonia
    Benetou, Vassiliki
    Vasilopoulou, Effie
    Sánchez, María-José
    Chirlaque, Maria-Dolores
    Amiano, Pilar
    Quirós, J Ramón
    Ardanaz, Eva
    Buckland, Genevieve
    Masala, Giovanna
    Panico, Salvatore
    Grioni, Sara
    Sacerdote, Carlotta
    Tumino, Rosario
    Boutron-Ruault, Marie-Christine
    Clavel-Chapelon, Françoise
    Fagherazzi, Guy
    Peeters, Petra H M
    van Gils, Carla H
    Bueno-de-Mesquita, H Bas
    van Kranen, Henk J
    Key, Timothy J
    Travis, Ruth C
    Khaw, Kay Tee
    Wareham, Nicholas J
    Kaaks, Rudolf
    Lukanova, Annekatrin
    Boeing, Heiner
    Schütze, Madlen
    Sonestedt, Emily
    Wirfält, Elisabeth
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Chajes, Veronique
    Rinaldi, Sabina
    Romieu, Isabelle
    Weiderpass, Elisabete
    Skeie, Guri
    Dagrun, Engeset
    Tjønneland, Anne
    Halkjær, Jytte
    Overvard, Kim
    Merritt, Melissa A
    Cox, David
    Riboli, Elio
    Krogh, Vittorio
    Dietary fat intake and development of specific breast cancer subtypes2014Ingår i: Journal of the National Cancer Institute, ISSN 0027-8874, E-ISSN 1460-2105, Vol. 106, nr 5, s. dju068-Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    We prospectively evaluated fat intake as predictor of developing breast cancer (BC) subtypes defined by estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor 2 receptor (HER2), in a large (n = 337327) heterogeneous cohort of women, with 10062 BC case patients after 11.5 years, estimating BC hazard ratios (HRs) by Cox proportional hazard modeling. High total and saturated fat were associated with greater risk of ER(+)PR(+) disease (HR = 1.20, 95% confidence interval [CI] = 1.00 to 1.45; HR = 1.28, 95% CI = 1.09 to 1.52; highest vs lowest quintiles) but not ER(-)PR(-) disease. High saturated fat was statistically significantly associated with greater risk of HER2(-) disease. High saturated fat intake particularly increases risk of receptor-positive disease, suggesting saturated fat involvement in the etiology of this BC subtype.

  • 23. Steindorf, Karen
    et al.
    Ritte, Rebecca
    Eomois, Piia-Piret
    Lukanova, Annekatrin
    Tjonneland, Anne
    Johnsen, Nina Fons
    Overvad, Kim
    Ostergaard, Jane Nautrup
    Clavel-Chapelon, Francoise
    Fournier, Agnes
    Dossus, Laure
    Teucher, Birgit
    Rohrmann, Sabine
    Boeing, Heiner
    Wientzek, Angelika
    Trichopoulou, Antonia
    Karapetyan, Tina
    Trichopoulos, Dimitrios
    Masala, Giovanna
    Berrino, Franco
    Mattiello, Amalia
    Tumino, Rosario
    Ricceri, Fulvio
    Ramon Quiros, J.
    Travier, Noemie
    Sanchez, Maria-Jose
    Navarro, Carmen
    Ardanaz, Eva
    Amiano, Pilar
    Bueno-de-Mesquita, H. B. (as).
    van Duijnhoven, Franzel
    Monninkhof, Evelyn
    May, Anne M.
    Khaw, Kay-Tee
    Wareham, Nick
    Key, Tim J.
    Travis, Ruth C.
    Borch, Kristin Benjaminsen
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Fedirko, Veronika
    Rinaldi, Sabina
    Romieu, Isabelle
    Wahrendorf, Juergen
    Riboli, Elio
    Kaaks, Rudolf
    Physical activity and risk of breast cancer overall and by hormone receptor status: The European prospective investigation into cancer and nutrition2013Ingår i: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 132, nr 7, s. 1667-1678Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Physical activity is associated with reduced risks of invasive breast cancer. However, whether this holds true for breast cancer subtypes defined by the estrogen receptor (ER) and the progesterone receptor (PR) status is controversial. The study included 257,805 women from the multinational EPIC-cohort study with detailed information on occupational, recreational and household physical activity and important cofactors assessed at baseline. During 11.6 years of median follow-up, 8,034 incident invasive breast cancer cases were identified. Data on ER, PR and combined ER/PR expression were available for 6,007 (67.6%), 4,814 (54.2%) and 4,798 (53.9%) cases, respectively. Adjusted hazard ratios (HR) were estimated by proportional hazards models. Breast cancer risk was inversely associated with moderate and high levels of total physical activity (HR = 0.92, 95% confidence interval (CI): 0.860.99, HR = 0.87, 95%-CI: 0.790.97, respectively; p-trend = 0.002), compared to the lowest quartile. Among women diagnosed with breast cancer after age 50, the largest risk reduction was found with highest activity (HR = 0.86, 95%-CI: 0.770.97), whereas for cancers diagnosed before age 50 strongest associations were found for moderate total physical activity (HR = 0.78, 95%-CI: 0.640.94). Analyses by hormone receptor status suggested differential associations for total physical activity (p-heterogeneity = 0.04), with a somewhat stronger inverse relationship for ER+/PR+ breast tumors, primarily driven by PR+ tumors (p-heterogeneity < 0.01). Household physical activity was inversely associated with ER/PR tumors. The results of this largest prospective study on the protective effects of physical activity indicate that moderate and high physical activity are associated with modest decreased breast cancer risk. Heterogeneities by receptor status indicate hormone-related mechanisms.

  • 24.
    Sund, Maria
    et al.
    Department of Oncology, Faculty of Medicine and Health, Örebro University Hospital, Örebro University, Örebro, Sweden.
    Garmo, Hans
    Sweden Regional Cancer Center, Uppsala University Hospital, Uppsala University, Uppsala, Sweden.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Margolin, Sara
    Department of Oncology, Södersjukhuset, Stockholm, Sweden; Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden.
    Ahlgren, Johan
    Sweden Regional Cancer Center, Uppsala University Hospital, Uppsala University, Uppsala, Sweden.
    Valachis, Antonis
    Department of Oncology, Faculty of Medicine and Health, Örebro University Hospital, Örebro University, Örebro, Sweden.
    Estrogen therapy after breast cancer diagnosis and breast cancer mortality risk2023Ingår i: Breast Cancer Research and Treatment, ISSN 0167-6806, E-ISSN 1573-7217, Vol. 198, nr 2, s. 361-368Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Purpose: The safety of local estrogen therapy in patients on adjuvant endocrine treatment is questioned, but evidence on the issue is scarce. This nested case–control registry-based study aimed to investigate whether estrogen therapy affects breast cancer mortality risk in women on adjuvant endocrine treatment.

    Methods: In a cohort of 15,198 women diagnosed with early hormone receptor (HR)-positive breast cancer and adjuvant endocrine treatment, 1262 women died due to breast cancer and were identified as cases. Each case was matched with 10 controls. Exposure to estrogen therapy with concurrent use of aromatase inhibitors (AIs), tamoxifen, or both sequentially, was compared between cases and controls.

    Results: No statistically significant difference in breast cancer mortality risk was seen in patients with exposure to estrogen therapy concurrent to endocrine treatment, neither in short-term or in long-term estrogen therapy use.

    Conclusions: The study strengthens current evidence on local estrogen therapy use in breast cancer survivors, showing no increased risk for breast cancer mortality in patients on adjuvant AIs or tamoxifen.

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  • 25.
    Sundén, Marcus
    et al.
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi. Department of Surgery, Sunderby Hospital, Luleå, Sweden.
    Hermansson, Cecilia
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Taflin, Helena
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Hemmingsson, Oskar
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Surgical treatment of breast cancer liver metastases: A nationwide registry-based case control study2020Ingår i: European Journal of Surgical Oncology, ISSN 0748-7983, E-ISSN 1532-2157, Vol. 46, nr 6, s. 1006-1012Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Introduction: The benefit of liver resection or ablation for breast cancer liver metastases (BCLM) remains unclear. The aim of the study was to determine survival after isolated BCLM in nationwide cohorts and compare surgical versus systemic treatment regimens.

    Materials and methods: The Swedish register for cancer in the liver and the bile ducts (SweLiv) and the National register for breast cancer (NBCR) was studied to identify patients with 1-5 BCLM without extrahepatic spread diagnosed 2009-2016. Data from the registers were validated and completed by review of medical records. A Kaplan-Meier plot and log rank test were used to analyse survival. Prognostic and predictive factors were evaluated by Cox regression analysis.

    Results: A surgical cohort (n = 29) was identified and compared to a control cohort (n = 33) receiving systemic treatment only. There was no 90-day mortality after surgery. Median survival from BCLM diagnosis was 77 months (95% CI 41-113) in the surgical cohort and 28 months (95% CI 13-43) in the control cohort, (p = 0.004). There was a longer disease-free interval and more oestrogen receptor positive tumours in the surgical cohort. Surgery was a significant positive predictive factor in univariate analysis while a multivariable analysis resulted in HR 0.478 (CI 0.193-1.181, p = 0.110) for surgical treatment.

    Conclusion: Surgery for BCLM is safe and might provide a survival benefit in selected patients but prospective trials are warranted to avoid selection bias.

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  • 26.
    Sundén, Marcus
    et al.
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Norgren, Sofia
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Lundqvist, Robert
    Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap. Department of Surgery, Helsinki University Hospital, University of Helsinki, Helsinki, Finland.
    Hemmingsson, Oskar
    Umeå universitet, Medicinska fakulteten, Wallenberg centrum för molekylär medicin vid Umeå universitet (WCMM). Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Receptor conversion and survival in breast cancer liver metastases2023Ingår i: Breast Cancer Research, ISSN 1465-5411, E-ISSN 1465-542X, Vol. 25, nr 1, artikel-id 105Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: Breast cancer liver metastases (BCLM) is a common cause of breast cancer-related death. The prognostic and predictive value of receptor expression and St Gallen classification is challenged by receptor status discordance in distant metastases. The aim of this study was to determine the rate of receptor conversion from breast cancer to BCLM and the impact on survival.

    Method: Patients registered with BCLM in two Swedish national cancer registers were recruited retrospectively. Data on receptor expression in primary breast cancer and BCLM were collected, as well as information about predictive factors for survival. The rate of receptor and subtype conversion was analyzed. A Cox regression model was used to investigate predictive factors for survival.

    Results: A cohort of 132 patients with BCLM was identified. Estrogen receptor (ER), progesterone receptor (PgR) and HER2 converted in 17, 33 and 10%, respectively. PgR was lost in BCLM while 8/10 HER2 conversions went from negative to positive. The BC subtype was re-classified in 21% of the BCLM. Median survival after BCLM was 13 months and HER2 amplification was associated with improved survival (HR 0.28 CI 0.085–0.90). The highest predictive value (Harrell´s C-index) was obtained when including both BC and BCLM status.

    Conclusions: Receptor and subtype conversions are common in BCLM, and a liver biopsy is warranted to tailor BCLM treatment. HER2 amplification is associated with improved survival in a BCLM cohort.

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  • 27. Tikk, Kaja
    et al.
    Sookthai, Disorn
    Fortner, Renee T.
    Johnson, Theron
    Rinaldi, Sabina
    Romieu, Isabelle
    Tjonneland, Anne
    Olsen, Anja
    Overvad, Kim
    Clavel-Chapelon, Francoise
    Baglietto, Laura
    Boeing, Heiner
    Trichopoulou, Antonia
    Lagiou, Pagona
    Trichopoulos, Dimitrios
    Masala, Giovanna
    Krogh, Vittorio
    Tumino, Rosario
    Ricceri, Fulvio
    Mattiello, Amalia
    Agudo, Antonio
    Menendez, Virginia
    Sanchez, Maria-Jose
    Amiano, Pilar
    Chirlaque, Maria-Dolores
    Barricarte, Aurelio
    Bueno-de-Mesquita, HBas
    Monninkhof, Evelyn M.
    Onland-Moret, N. Charlotte
    Andresson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper.
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Weiderpass, Elisabete
    Khaw, Kay-Tee
    Key, Timothy J.
    Travis, Ruth C.
    Merritt, Melissa A.
    Riboli, Elio
    Dossus, Laure
    Kaaks, Rudolf
    Circulating prolactin and in situ breast cancer risk in the European EPIC cohort: a case-control study2015Ingår i: Breast Cancer Research, ISSN 1465-5411, E-ISSN 1465-542X, Vol. 17, artikel-id 49Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Introduction The relationship between circulating prolactin and invasive breast cancer has been investigated previously, but the association between prolactin levels and in situ breast cancer risk has received less attention.

    Methods We analysed the relationship between pre-diagnostic prolactin levels and the risk of in situ breast cancer overall, and by menopausal status and use of postmenopausal hormone therapy (HT) at blood donation. Conditional logistic regression was used to assess this association in a case-control study nested within the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort, including 307 in situ breast cancer cases and their matched control subjects.

    Results We found a significant positive association between higher circulating prolactin levels and risk of in situ breast cancer among all women [pre-and postmenopausal combined, ORlog2 = 1.35 (95% CI 1.04-1.76), P-trend = 0.03]. No statistically significant heterogeneity was found between prolactin levels and in situ cancer risk by menopausal status (P-het = 0.98) or baseline HT use (P-het = 0.20), although the observed association was more pronounced among postmenopausal women using HT compared to non-users (P-trend = 0.06 vs P-trend = 0.35). In subgroup analyses, the observed positive association was strongest in women diagnosed with in situ breast tumors <4 years compared to >= 4 years after blood donation (P-trend = 0.01 vs P-trend = 0.63; P-het = 0.04) and among nulliparous women compared to parous women (P-trend = 0.03 vs P-trend = 0.15; P-het = 0.07).

    Conclusions Our data extends prior research linking prolactin and invasive breast cancer to the outcome of in situ breast tumours and shows that higher circulating prolactin is associated with increased risk of in situ breast cancer.The relationship between circulating prolactin and invasive breast cancer has been investigated previously, but the association between prolactin levels and in situ breast cancer risk has received less attention.

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  • 28. Tikk, Kaja
    et al.
    Sookthai, Disorn
    Johnson, Theron
    Rinaldi, Sabina
    Romieu, Isabelle
    Tjønneland, Anne
    Olsen, Anja
    Overvad, Kim
    Clavel-Chapelon, Francoise
    Baglietto, Laura
    Boeing, Heiner
    Trichopoulou, Antonia
    Lagiou, Pagona
    Trichopoulos, Dimitrios
    Palli, Domenico
    Pala, V
    Tumino, Rosario
    Rosso, S
    Panico, Salvatore
    Agudo, A
    Menéndez, Virginia
    Sánchez, Maria-Jose
    Amiano, Pilar
    Castaño, J M Huerta
    Ardanaz, Eva
    Bas Bueno-de-Mesquita, H
    Monninkhof, Evelyn
    Onland-Moret, C
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Sund, Malin
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Kirurgi.
    Weiderpass, Elisabete
    Khaw, Kay-Tee
    Key, Timothy J
    Travis, Ruth C
    Gunter, Marc J
    Riboli, Elio
    Dossus, Laure
    Kaaks, Rudolf
    Circulating prolactin and breast cancer risk among pre- and postmenopausal women in the EPIC cohort2014Ingår i: Annals of Oncology, ISSN 0923-7534, E-ISSN 1569-8041, Vol. 25, nr 7, s. 1422-1428Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    BACKGROUND: Experimental and epidemiological evidence suggests that prolactin might play a role in the etiology of breast cancer. We analyzed the relationship of pre-diagnostic circulating prolactin levels with the risk of breast cancer by menopausal status, use of postmenopausal hormone replacement therapy (HRT) at blood donation, and by estrogen and progesterone receptor-status of the breast tumors. METHODS: Conditional logistic regression was used to analyze the data from a case-control study nested within the prospective European EPIC cohort, including 2250 invasive breast cancer and their matched control subjects. RESULTS: Statistically significant heterogeneity in the association of prolactin levels with breast cancer risk between women who were either pre- or postmenopausal at the time of blood donation was observed (Phet=0.04). Higher serum levels of prolactin were associated with significant increase in risk of breast cancer among postmenopausal women (ORQ4-Q1=1.29 [95%CI 1.05-1.58], Ptrend=0.09); however this increase in risk seemed to be confined to women who used postmenopausal HRT at blood donation (ORQ4-Q1=1.45 [95%CI 1.08-1.95], Ptrend=0.01), whereas no statistically significant association was found for the non-users of HRT (ORQ4-Q1 =1.11 [95%CI 0.83-1.49], Ptrend=0.80) (Phet=0.08). Among premenopausal women, a statistically non-significant inverse association was observed (ORQ4-Q1 =0.70 [95%CI 0.48-1.03], Ptrend=0.16). There was no heterogeneity in the prolactin-breast cancer association by hormone receptor status of the tumor. CONCLUSION: Our study indicates that higher circulating levels of prolactin among the postmenopausal HRT users at baseline may be associated with increased breast cancer risk.

  • 29.
    von Wachenfeldt, Anna
    et al.
    Onkologklini Södersjukhuset, Stockholm, Sweden.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Fornander, Tommy
    Onkologklini Södersjukhuset, Stockholm, Sweden.
    Isaksson Friman, Erika
    Bröstsektionen, kirurgkliniken, Capio S:t Görans Sjukhus, Stockholm, Sweden.
    Johnsson, Aina
    Karolinska universitetssjukhuset, Stockholm, Sweden.
    Uddbom, Eleonor
    Sektionen för cancerrehabilitering, Onkologiska kliniken, Karolinska universitetssjukhuset, Stockholm, Sweden.
    Uttermalm, Anna-Carin
    Hela Kroppen fysioterapi AB, Stockholm, Sweden.
    Biverkningar vid antihormonell behandling påverkar följsamhet: Viktigt vara medveten om problemen för att motivera patienter att fullfölja behandlingen2017Ingår i: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 114, nr 7, artikel-id EED7Artikel i tidskrift (Refereegranskat)
  • 30.
    Zhu, Yajing
    et al.
    Department of Oncology-Pathology, Karolinska Institutet, Karolinska Vägen A2:07, Solna, Stockholm, Sweden.
    Zerdes, Ioannis
    Department of Oncology-Pathology, Karolinska Institutet, Karolinska Vägen A2:07, Solna, Stockholm, Sweden; Breast Center, Theme Cancer, Karolinska University Hospital, Stockholm, Sweden.
    Matikas, Alexios
    Department of Oncology-Pathology, Karolinska Institutet, Karolinska Vägen A2:07, Solna, Stockholm, Sweden; Breast Center, Theme Cancer, Karolinska University Hospital, Stockholm, Sweden.
    Cruz, Ivette Raices
    Division of Biostatistics, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
    Bergqvist, Mattias
    Biovica International, Uppsala Science Park, Uppsala, Sweden.
    Elinder, Ellinor
    Department of Oncology, South Hospital, Stockholm, Sweden.
    Bosch, Ana
    Department of Hematology, Oncology and Radiation Physics, Skåne University Hospital, Lund, Sweden.
    Lindman, Henrik
    Department of Oncology, Uppsala University Hospital, Uppsala, Sweden.
    Einbeigi, Zakaria
    Department of Oncology, Southern Älvsborg Hospital, Borås, Sweden.
    Andersson, Anne
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
    Carlsson, Lena
    Department of Oncology, Sundsvall Hospital, Sundsvall, Sweden.
    Dreifaldt, Ann Charlotte
    Department of Oncology, Örebro University Hospital, Örebro, Sweden.
    Isaksson-Friman, Erika
    Department of Oncology, St Göran Hospital, Stockholm, Sweden.
    Hellstrom, Mats
    Centre for Clinical Cancer Studies, Theme Cancer, Karolinska University Hospital, Stockholm, Sweden.
    Johansson, Hemming
    Centre for Clinical Cancer Studies, Theme Cancer, Karolinska University Hospital, Stockholm, Sweden.
    Wang, Kang
    Department of Oncology-Pathology, Karolinska Institutet, Karolinska Vägen A2:07, Solna, Stockholm, Sweden.
    Bergh, Jonas C. S.
    Department of Oncology-Pathology, Karolinska Institutet, Karolinska Vägen A2:07, Solna, Stockholm, Sweden; Breast Center, Theme Cancer, Karolinska University Hospital, Stockholm, Sweden.
    Hatschek, Thomas
    Department of Oncology-Pathology, Karolinska Institutet, Karolinska Vägen A2:07, Solna, Stockholm, Sweden; Breast Center, Theme Cancer, Karolinska University Hospital, Stockholm, Sweden.
    Foukakis, Theodoros
    Department of Oncology-Pathology, Karolinska Institutet, Karolinska Vägen A2:07, Solna, Stockholm, Sweden; Breast Center, Theme Cancer, Karolinska University Hospital, Stockholm, Sweden.
    The role of serum thymidine kinase 1 activity in neoadjuvant-treated HER2-positive breast cancer: biomarker analysis from the swedish phase ii randomized predix HER2 trial2024Ingår i: Breast Cancer Research and Treatment, ISSN 0167-6806, E-ISSN 1573-7217Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: Thymidine kinase 1 (TK1) plays a pivotal role in DNA synthesis and cellular proliferation. TK1 has been studied as a prognostic marker and as an early indicator of treatment response in human epidermal growth factor 2 (HER2)-negative early and metastatic breast cancer (BC). However, the prognostic and predictive value of serial TK1 activity in HER2-positive BC remains unknown.

    Methods: In the PREDIX HER2 trial, 197 HER2-positive BC patients were randomized to neoadjuvant trastuzumab, pertuzumab, and docetaxel (DPH) or trastuzumab emtansine (T-DM1), followed by surgery and adjuvant epirubicin and cyclophosphamide. Serum samples were prospectively collected from all participants at multiple timepoints: at baseline, after cycle 1, 2, 4, and 6, at end of adjuvant therapy, annually for a total period of 5 years and/or at the time of recurrence. The associations of sTK1 activity with baseline characteristics, pathologic complete response (pCR), event-free survival (EFS), and disease-free survival (DFS) were evaluated.

    Results: No association was detected between baseline sTK1 levels and all the baseline clinicopathologic characteristics. An increase of TK1 activity from baseline to cycle 2 was seen in all cases. sTK1 level at baseline, after 2 and 4 cycles was not associated with pCR status. After a median follow-up of 58 months, 23 patients had EFS events. There was no significant effect between baseline or cycle 2 sTK1 activity and time to event. A non-significant trend was noted among patents with residual disease (non-pCR) and high sTK1 activity at the end of treatment visit, indicating a potentially worse long-term prognosis.

    Conclusion: sTK1 activity increased following neoadjuvant therapy for HER2-positive BC but was not associated with patient outcomes or treatment benefit. However, the post-surgery prognostic value in patients that have not attained pCR warrants further investigation.

    Trial registration: ClinicalTrials.gov, NCT02568839. Registered on 6 October 2015.

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