Abstract
There are no optimal regimens for advanced thymic epithelial tumors (TETs) when frontline chemotherapy fails. In this study, we aimed to assess the activity of Bevacizumab in combination with a routine chemotherapeutic regimen. Patients with advanced TETs who had failed after previous chemotherapy were enrolled in this study. Paclitaxel (160mg/m2) andcisplatin (70mg/m2) orcarboplatin (area under the curve, 6) plus Bevacizumab (7.5mg/kg) were intravenously injected on day 1.The treatment was repeated every 3weeks until the disease progressed or intolerable toxicities occurred. Between March 2018 and August 2020, a total of 49 patients (21 thymoma and 28 thymic carcinoma) received the new treatment. There were 28 men and 21 women with a median age of 50years (range: 21-73years). The median number of cycles was 3 (range: 1-6) per patient. The objective response rate (ORR) for all patients was 43% (21/49). The ORRs for thymoma and thymic carcinoma were 24% and 57%, respectively. The median progression-free survival for thymoma and thymic carcinoma was 6 and 8months, respectively. Hematological toxicities were the main side effects. Paclitaxel and platinum plus Bevacizumab showed promising effects in refractory or relapsed advanced TETs without severe toxicity. Even when applied as salvage therapy, this regimen resulted in a better ORR than frontline chemotherapy.
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