Neoadjuvant chemotherapy plus surgery versus concurrent chemoradiotherapy in stage IB2-IIB cervical cancer: A systematic review and meta-analysis


Autoři: Wen Zou aff001;  Yiyu Han aff001;  Yang Zhang aff001;  Chunhong Hu aff001;  Yeqian Feng aff001;  Haixia Zhang aff001;  Jingjing Wang aff001
Působiště autorů: Department of Oncology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, People’s Republic of China aff001
Vyšlo v časopise: PLoS ONE 14(11)
Kategorie: Research Article
doi: 10.1371/journal.pone.0225264

Souhrn

The optimal treatment strategy for stage IB2-IIB cervical cancer is controversial. This systematic review with meta-analysis evaluated the efficacy of concomitant chemoradiotherapy (CCRT) and neoadjuvant chemotherapy followed by radical surgery (NACT+S). Studies that evaluated NACT+S versus CCRT for patients with Federation of Gynecology and Obstetrics stage IB2-IIB cervical cancer were searched in MEDLINE, EMBASE, and the Cochrane Library database. Hazard ratios (HRs) with their respective 95% confidence intervals (CIs) were calculated using a random-effects model. Toxicity was also evaluated. Six qualified retrospective studies and one randomized controlled trial (2270 patients) were included in this review. The results suggested that compared with CCRT, NACT+S did not improve overall survival in all patients (HR 0.73, 95% CI 0.52–1.02) or stage IIB patients (HR 0.83, 95% CI 0.61–1.15). NACT+S did not improve disease-free survival (DFS) in stage IIB patients (HR 1.10, 95% CI 0.70–1.71). In the analysis of DFS in all patients, a high degree of heterogeneity was detected (I2 = 84%). Sensitivity analysis that eliminated these heterogeneous data suggested that CCRT could improve DFS over NACT+S (HR 1.47, 95% CI 1.12–1.93). Diarrhea and rectal and bladder complications occurred at a lower rate in the NACT+S group than in the CCRT group. NACT+S had no survival advantage for patients with stage IB2-IIB cervical cancer compared with CCRT but was associated with fewer side effects. Further prospective studies with a larger sample size of treatment protocols for locally advanced cervical cancer are needed.

Klíčová slova:

Cancer chemotherapy – Cancer treatment – Cervical cancer – Radiation therapy – Surgical and invasive medical procedures – Surgical oncology – Toxicity


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Článek vyšel v časopise

PLOS One


2019 Číslo 11