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- Title
Body mass index and patient-reported function, quality of life and treatment toxicity in women receiving adjuvant chemotherapy for breast cancer.
- Authors
Nyrop, Kirsten A.; Monaco, Jane; Vohra, Sanah; Deal, Allison M.; Wood, William A.; Shachar, Shlomit S.; Dees, E. Claire; Kimmick, Gretchen G.; Speca, JoEllen C.; Muss, Hyman B.
- Abstract
Background: This study investigates whether high body mass index (BMI) in women diagnosed with early breast cancer (BC) is associated with patient-reported symptom severity during chemotherapy. Methods: Women with Stage I–III BC completed toxicity reports for 17 side effects throughout regularly scheduled chemotherapy infusions. Toxicity reports were compared in women with obesity (BMI > = 30) versus no obesity (BMI < 30). Fisher’s exact tests and 2-sample t-tests compared baseline patient characteristics. Risk ratios (RR) for women with obesity as compared to no obesity were estimated for individual symptoms that were patient-rated as moderate, severe or very severe (MSVS) severity, adjusting for marital status and race. Results: In a sample of 286 patients, Black women comprised 23% of the sample. The obesity rate was 76% among Black patients and 31% among White patients (p <.0001). Women with obesity rated an average of 6.9 side effects (standard deviation, SD 4.2) as MSVS vs 5.5 side effects (SD 3.7) among women with no obesity (p =.003). In adjusted analysis, women with obesity had significantly greater risk for MSVS fatigue (RR 1.18, 95% CI 1.01–1.36), dyspnea (RR 1.71, 95% CI 1.09–2.69), arthralgia (RR 1.47, 95% CI 1.10–1.97), peripheral neuropathy (RR 1.45, 95% CI 1.01–2.08), edema of limbs (RR 1.84, 95% CI 1.18–2.88), and abdominal pain (RR 1.75, 95% CI 1.07–2.87). There were no inter-group differences in BC stage or phenotype, chemotherapy treatment modifications, or hospitalizations. Conclusions: Among women with early BC, patients with obesity reported higher chemotherapy toxicity as compared to patients without obesity; however, this did not result in differences in treatment completion.
- Publication
Supportive Care in Cancer, 2023, Vol 31, Issue 3, p1
- ISSN
0941-4355
- Publication type
Article
- DOI
10.1007/s00520-023-07637-2