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Cancer Manag Res. 2019 Jun 11;11:5403-5412. doi: 10.2147/CMAR.S208754. eCollection 2019.

Exercise during adjuvant treatment for colorectal cancer: treatment completion, treatment-related toxicities, body composition, and serum level of adipokines.

Author information

1
Department of Sports and Leisure, Sungshin Women's University, Seongbuk-gu, Seoul 02844, Republic of Korea.
2
Division of Oncology, Department of Internal Medicine, Kyung Hee University School of Medicine, Dong-dae-mun-gu, Seoul 02447, Republic of Korea.
3
Division of Oncology, Department of Internal Medicine, Korea University Guro Hospital, Guro-gu, Seoul 08308, Republic of Korea.
4
Department of Surgery, Korea University Guro Hospital, Guro-gu, Seoul 08308, Republic of Korea.
#
Contributed equally

Abstract

Objectives: The primary aim of this study was to investigate the beneficial effect of exercise on completion rates of adjuvant treatment, which is one of the major prognostic factors among patients with locally advanced colorectal cancer after undergoing curative resection followed by adjuvant treatment. Design: Prospective pilot study Methods: We assigned patients who were scheduled to undergo adjuvant treatment (N=39) to the exercise group or the control group in a 2:1 ratio in the order of enrollment. Patients completed questionnaires and underwent assessment of the outcome variables at the start of chemotherapy and upon completion of treatment. Results: A fivefold lower possibility of dose adjustment in the exercise group compared to the control group was demonstrated (OR, 0.188; p=0.023; 95% CI, 0.044-0.793). A significantly smaller proportion of the exercise group had grade 3 or 4 nausea (p=0.018) and neurotoxicity (P=0.024) symptoms. Muscle to fat ratios were significantly reduced in the control group (p=0.039), but not in the exercise group (p=0.742). Serum levels of leptin were significantly increased in the control group (p=0.038), but not in the exercise group (p=0.073). Serum levels of adiponectin were significantly increased in the exercise group (p=0.026) but tended to be decreased in the control group with no statistical significance (p=0.418). Conclusions: Exercise training among patients with colorectal cancer was found to have a beneficial impact on adjuvant treatment completion rates and treatment-associated toxicities. This program was also shown to be beneficial to patients' body compositions and serum levels of adipokines.

KEYWORDS:

adipokines; adjuvant; body composition; chemoradiotherapy; chemotherapy; colorectal neoplasms; exercise

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