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Gynecol Oncol. 2019 Jul;154(1):246-252. doi: 10.1016/j.ygyno.2019.04.013. Epub 2019 Apr 18.

Platinum single-agent vs. platinum-based doublet agent concurrent chemoradiotherapy for locally advanced cervical cancer: A meta-analysis of randomized controlled trials.

Author information

1
Department of Oncology, The Second Xiangya Hospital, Changsha, China.
2
Department of Oncology, Liuzhou Worker's Hospital, Liuzhou, China.
3
Department of Oncology, The Second Xiangya Hospital, Changsha, China. Electronic address: zouwen29w@csu.edu.cn.

Abstract

OBJECTIVES:

This study compared treatment outcomes and adverse events in patients with locally advanced cervical cancer undergoing radiotherapy (RT) with concurrent platinum-based doublet therapy vs. RT plus platinum single-agent therapy. The main outcomes were progression-free survival (PFS), overall survival (OS), and the occurrence of adverse events.

METHODS:

We comprehensively searched Medline, Embase, the Cochrane Library, China National Knowledge Web, Wanfang Database, and VIP database, and performed a systematic review and cumulative meta-analysis of all randomized controlled trials (RCTs) by using the fixed-effect or random-effect models. The primary endpoints were OS and PFS, reported as hazard ratios (HRs) and 95% confidence intervals (95% CIs). The meta-analysis was performed with RevMan 5.2.

RESULTS:

Seven randomized trials including 1503 patients were identified. The meta-analysis showed that, for locally advanced cervical cancer, concurrent RT with platinum-based doublet chemotherapy significantly improved the OS (HR 0.75, 95% CI 0.60-0.94, p = 0.01) and the PFS (HR 0.78, 95% CI 0.65-0.94,p = 0.01) compared to RT with cisplatin monotherapy. Grade 3 or 4 vomiting (related ratio [RR] = 3.19, 95% CI 1.85-5.49, p < 0.0001) and thrombocytopenia (RR = 2.75, 95% CI 1.39-5.44, p = 0.004) occurred more frequently in the polychemotherapy arm. The incidence of urinary system toxicity tended to be higher in the polychemotherapy arm (RR = 4.58, 95% CI 1.00-20.89, p = 0.05).

CONCLUSIONS:

Under the premise of good tolerance, RT plus platinum-based doublet therapy improves survival compared to RT plus platinum single-agent therapy in patients with locally advanced cervical cancer.

KEYWORDS:

Cervical cancer; Concurrent chemoradiotherapy; Platinum single-agent therapy; Platinum-based doublet therapy

PMID:
31005286
DOI:
10.1016/j.ygyno.2019.04.013
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