Weekly and triweekly cisplatin-alone concomitant chemoradiotherapy regimens after radical surgery were compared in stages IB-IIA cervical cancer with intermediate- or high-risk factors to identify the better therapeutic regimen. We retrospectively analyzed patients with stages IB-IIA cervical cancer who received radical hysterectomy followed by concurrent adjuvant chemoradiotherapy to compare the efficiency between weekly and triweekly regimen groups. We evaluated between-group differences in survival, recurrence, compliance, and adverse effects. A total of 217 patients were included in this study (triweekly group vs. weekly group; 97 vs. 120). The mean follow-up was 47.2 months. The 5-year disease-free survival (DFS) was 84.4% or 76.5% for patients treated with triweekly cisplatin chemotherapy or the weekly regimen, respectively (P = 0.110). The 5-year overall survival (OS) was 82.4 and 78.6% for the same treatment groups, respectively (P = 0.540). The DFS of the patients with pelvic lymph node metastasis were marginally better in triweekly regimen group compared with the weekly group (P = 0.031). Grades 3-4 leukopenia was significantly more common in the triweekly group (P = 0.028). The weekly cisplatin chemotherapy group experienced the same therapeutic effect as the triweekly cisplatin-alone chemotherapy group but with less toxicity. However, triweekly cisplatin regimen reduced the recurrence in patients with pelvic lymph node metastasis.
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