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Systemic therapy for previously treated advanced gastric cancer: A systematic review and network meta-analysis
Ji Cheng1, Ming Cai2, Xiaoming Shuai2
1Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02115, United States.
Abstract:
Although paclitaxel plus ramucirumab has been recommended as the preferred second-line strategy, other regimens also display potentially comparable efficacies. Record retrieval was conducted in PubMed, Web of Science, Cochrane Central Register of Controlled Trials, Embase, ASCO and ESMO meeting libraries. Randomized controlled trials featuring comparisons between different systemic treatments among previously treated patients with advanced gastric cancer were eligible for our systematic review. Network calculation were based on random-effects model and the relative ranking of each regimen was numerically indicated by P-score (CRD42018104672). Concerning second-line regimens, "paclitaxel plus olaparib" and "paclitaxel plus ramucirumab" dominated the overall survival ranking while "paclitaxel plus ramucirumab" additionally topped the hierarchy for progression-free survival. Among refractory or third-line only cases, apatinib reigned the hierarchy by significantly and insignificantly surpassing placebo and nivolumab respectively. In conclusion, paclitaxel plus ramucirumab is the optimal second-line regimen. Both apatinib and nivolumab could be potentially recommended as refractory regimens.
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