Clinical nutrition (Edinburgh, Scotland) · 2022
The association of abdominal adiposity with premature discontinuation of postoperative chemotherapy in colon cancer.
СтатьяПоддержка NIH: внешняя программаНазвание и аннотация: Перевод пока не подготовлен
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Brown Justin C, Meyerhardt Jeffrey A, Cespedes Feliciano Elizabeth M, Cheng En, Caan Bette J
Аннотация
BACKGROUND & AIMS: Patients with colon cancer who prematurely discontinue postoperative chemotherapy may have an increased risk of disease recurrence and death. This study tested the hypothesis that the quantity and distribution of abdominal adipose tissue predict premature chemotherapy discontinuation.
METHODS: This cohort study included 533 patients with stage II-III colon cancer who initiated a planned regimen of 24-weeks of 5-fluorouracil, leucovorin, and oxaliplatin (FOLFOX) chemotherapy. The primary exposures were body mass index (BMI) and computed tomography-derived abdominal adiposity measures (e.g., visceral, subcutaneous, and intramuscular adipose tissue). The primary endpoint was premature chemotherapy discontinuation, defined as receiving <6 cycles of FOLFOX. Generalized linear models quantified the relative risk (RR) of premature chemotherapy discontinuation adjusted for age, sex, cancer stage, height, and muscle area, using two-sided statistical tests.
RESULTS: Forty-two patients [7.9% (95% CI: 5.7, 10.5)] prematurely discontinued chemotherapy. Visceral adipose tissue [RR: 3.27 (95% CI: 1.26, 8.49)] and intramuscular adipose tissue [RR: 2.79 (95% CI: 1.09, 7.12)] were statistically significantly associated with an increased risk of premature chemotherapy discontinuation. BMI [RR: 2.07 (95% CI: 0.75, 5.73)] and subcutaneous adipose tissue [RR: 2.32 (95% CI: 0.91, 5.94)] were not statistically significantly associated with premature chemotherapy discontinuation.
CONCLUSION: Among patients with stage II-III colon cancer who initiate postoperative chemotherapy, excess visceral and intramuscular adiposity may be risk factors for the premature discontinuation of chemotherapy.
METHODS: This cohort study included 533 patients with stage II-III colon cancer who initiated a planned regimen of 24-weeks of 5-fluorouracil, leucovorin, and oxaliplatin (FOLFOX) chemotherapy. The primary exposures were body mass index (BMI) and computed tomography-derived abdominal adiposity measures (e.g., visceral, subcutaneous, and intramuscular adipose tissue). The primary endpoint was premature chemotherapy discontinuation, defined as receiving <6 cycles of FOLFOX. Generalized linear models quantified the relative risk (RR) of premature chemotherapy discontinuation adjusted for age, sex, cancer stage, height, and muscle area, using two-sided statistical tests.
RESULTS: Forty-two patients [7.9% (95% CI: 5.7, 10.5)] prematurely discontinued chemotherapy. Visceral adipose tissue [RR: 3.27 (95% CI: 1.26, 8.49)] and intramuscular adipose tissue [RR: 2.79 (95% CI: 1.09, 7.12)] were statistically significantly associated with an increased risk of premature chemotherapy discontinuation. BMI [RR: 2.07 (95% CI: 0.75, 5.73)] and subcutaneous adipose tissue [RR: 2.32 (95% CI: 0.91, 5.94)] were not statistically significantly associated with premature chemotherapy discontinuation.
CONCLUSION: Among patients with stage II-III colon cancer who initiate postoperative chemotherapy, excess visceral and intramuscular adiposity may be risk factors for the premature discontinuation of chemotherapy.