Background: Among patients with colorectal cancer (CRC) treated with oxaliplatin (L-OHP)-based chemotherapy, delayed chemotherapy-induced nausea and vomiting (CINV) have not been well controlled. Methods: We pooled data from two prospective observational studies in Japan and one phase III clinical trial to assess whether delayed CINV could be controlled with a combination of three antiemetics adding a neurokinin-1 receptor antagonist and identified individual risk factors, using an inverse probability treatment-weighted analysis. Results: A total of 661 patients were evaluable in this study (median age: 64 years; 391 male, and 270 female). 3 antiemetics controlled delayed nausea (33.18% vs. 42.25%; p = 0.0510) and vomiting (4.15% vs. 16.08%; p < 0.0001) better than with 2 antiemetics. Female and 2 antiemetics were risk factors for both delayed nausea (female—odds ratio [OR]: 1.918; 95% confidence interval [CI]: 1.292–2.848; p = 0.0012; 2 antiemetics—OR: 1.485; 95% CI: 1.000–2.204; p = 0.0498) and delayed vomiting (female—OR: 2.735; 95% CI: 1.410–5.304; p = 0.0029; 2 antiemetics—OR: 4.551; 95% CI: 2.116–9.785; p = 0.0001). Conclusions: Identifying individual risk factors can facilitate personalized treatments for delayed CINV. We recommend a 3-antiemetic combination prophylaxis for CRC patients treated with L-OHP-based chemotherapy, especially for female patients.
CITATION STYLE
Shimokawa, M., Hayashi, T., Nishimura, J., Satoh, T., Fukunaga, M., Matsui, R., … Kogawa, T. (2021). Pooled analysis of combination antiemetic therapy for chemotherapy-induced nausea and vomiting in patients with colorectal cancer treated with oxaliplatin-based chemotherapy of moderate emetic risk. BMC Cancer, 21(1). https://doi.org/10.1186/s12885-021-08860-y
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