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- Title
Body weight changes and associated predictors in a prospective cohort of young breast cancer survivors.
- Authors
Sella, Tal; Zheng, Yue; Tan‐Wasielewski, Zhenying; Rosenberg, Shoshana M.; Poorvu, Philip D.; Tayob, Nabihah; Ruddy, Kathryn J.; Gelber, Shari I.; Tamimi, Rulla M.; Schapira, Lidia; Come, Steven E.; Peppercorn, Jeffrey M.; Borges, Virginia F.; Partridge, Ann H.; Ligibel, Jennifer A.
- Abstract
Background: Weight gain after a breast cancer diagnosis is common and is associated with inferior outcomes. Young survivors may be especially susceptible to weight changes given the impact of treatment on menopausal status. Methods: The authors identified women who were diagnosed with stage 0 to III breast cancer at age 40 years or younger between 2006 and 2016 from a multicenter prospective cohort. Self‐reported weight was collected at diagnosis and at 1 year and 3 years postdiagnosis. Tumor and treatment data were obtained from medical records and patient surveys. Multinomial logistic regression was used to identify the factors associated with weight gain (≥5%) or weight loss (≥5%) versus stable weight at 1 year and 3 years postdiagnosis. Results: The cohort included 956 women with a median age of 37 years at diagnosis. Mean weight significantly increased over time from 66.54 ± 14.85 kg at baseline to 67.33 ± 15.53 and 67.77 ± 14.65 kg at 1 year and 3 years, respectively (p ≤.001 for both comparisons). The proportion of women experiencing ≥5% weight gain increased from 24.8% at 1 year to 33.9% at 3 years. At 1 year, less self‐perceived financial comfort, Black race, and stage III disease were significantly associated with weight gain; at 3 years, only less self‐perceived financial comfort remained significant. Baseline overweight or obesity was significantly associated with weight loss at both time points. Chemotherapy, endocrine therapy, and treatment‐related menopause were not associated with weight change. Conclusions: One third of young breast cancer survivors experienced clinically significant weight gain 3 years after diagnosis; however, treatment‐related associations were not observed. Age‐appropriate lifestyle interventions, including the reduction of financial barriers, are needed to prevent weight gain in this high‐risk population. Many young breast cancer survivors experienced clinically significant weight gain at 1 year and 3 years after diagnosis; however, this was not necessarily driven by treatment‐related factors. Financial barriers exist and should be considered in the development of age‐appropriate lifestyle interventions to prevent weight gain in this high‐risk population.
- Subjects
BODY weight; CANCER survivors; BREAST cancer; WEIGHT gain; CANCER diagnosis
- Publication
Cancer (0008543X), 2022, Vol 128, Issue 17, p3158
- ISSN
0008-543X
- Publication type
Article
- DOI
10.1002/cncr.34342