Bevacizumab in the treatment of ovarian cancer: a meta-analysis from four phase III randomized controlled trials
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The aim of this meta-analysis was to summarize the efficacy and safety of bevacizumab in the treatment of ovarian cancer.
We sought to identify randomised controlled trials (RCTs) by searching PubMed and Web of Science. Outcomes were objective response rate (ORR), progression-free survival (PFS), overall survival (OS), and adverse events.
Four studies with 4,246 patients were included. Combination of bevacizumab and chemotherapy resulted in a statistically significant improvement in ORR (OR 2.165, 95 % CI 1.511–3.103) and in PFS (HR 0.691, 95 % CI 0.517–0.865), compared with chemotherapy alone. There was no evidence of a significant improvement in OS (HR 0.934, 95 % CI 0.826–1.041). It also had significantly increased risk of gastrointestinal events (OR 2.743, 95 % CI 1.580–4.763; P < 0.001), hypertension (OR 4.630, 95 % CI 3.737 to 5.737; P < 0.001), proteinuria (OR 4.872, 95 % CI 2.617–9.069; P < 0.001), and arterial thromboembolism (OR 1.994, 95 % CI 1.210–3.286; P = 0.007).
This meta-analysis suggests that the addition of bevacizumab to chemotherapy offers meaningful improvement in objective response rate and progression-free survival in ovarian cancer treatment, but does not benefit overall survival. It also significantly increased the occurrence of gastrointestinal events, hypertension, proteinuria, and arterial thromboembolism.
- Bevacizumab in the treatment of ovarian cancer: a meta-analysis from four phase III randomized controlled trials
Archives of Gynecology and Obstetrics
Volume 288, Issue 3 , pp 655-666
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- Springer Berlin Heidelberg
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- Ovarian cancer
- Vascular endothelial growth factor
- Monoclonal antibodies
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