Predictors of weight gain in a cohort of premenopausal early breast cancer patients receiving chemotherapy
Howell, Sacha J
AffiliationMedical Oncology Department, Centre Leon Berard, Lyon, France
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AbstractAIM: In breast cancer patients, post chemotherapy weight gain is linked with increased risk of cancer recurrence. We prospectively studied a cohort of premenopausal women receiving contemporary chemotherapy following a diagnosis of breast cancer to examine factors predicting weight increase. METHODS: Between May 2005 and January 2008, 523 patients from the Prospective Outcomes in Sporadic versus Hereditary (POSH) breast cancer study entered this sub-study comparing weight prior to chemotherapy and weight and waist/hip measurements 12-months following chemotherapy. RESULTS: Data from 380 patients were available. Mean (standard deviation [SD]) pre-treatment body mass index (BMI) was 26.3 (5.6) kg/m2; 30% women gained?>?5% body weight during the study period. Lower BMI at diagnosis predicted greater subsequent post treatment weight gain (4.3% relative weight gain for those in the 1st quartile of BMI compared to 0.8% for those in the 4th quartile; r?=?-0.22; p?<?0.001). No link to chemotherapy regimens, cigarette smoking, previous parity or chemotherapy induced amenorrhoea was noted. A total of 44% of women had central obesity (post-treatment waist measurement of ?88?cm). CONCLUSIONS: Almost a third of premenopausal patients receiving adjuvant chemotherapy for breast cancer will gain clinically significant weight and over 40% will have central obesity 12-months following diagnosis. A greater weight gain is predicted by lower pretreatment BMI.
CitationGandhi A, Copson E, Eccles D, Durcan L, Howell A, Morris J, et al. Predictors of weight gain in a cohort of premenopausal early breast cancer patients receiving chemotherapy. Breast. 2019;45:1-6.
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