Effect of the Combination of Trabectedin and Pegylated Liposomal Doxorubicin in a BRCA2 Mutation Carrier with Recurrent Platinum-Sensitive Ovarian Cancer

Introduction: The current standard of care for ovarian cancer is optimal cytoreduction with adjuvant chemotherapy based on a platinum/taxane combination. Although the response rate to this therapy is high, most patients ultimately relapse. Response to second-line therapy and prognosis are linked to the platinum-free interval (PFI); when both improve, the PFI increases. As a result, there is an increasing interest in the PFI extension strategies including platinum-free combinations. Case Presentation: A 50-year-old postmenopausal woman presented with ovarian serous carcinoma with peritoneal carcinomatosis. First-line neoadjuvant chemotherapy with carboplatin plus paclitaxel was initiated, followed by surgery and carboplatin plus paclitaxel chemotherapy. Eight months after the last cycle, CT revealed extensive supra- and infradiaphragmatic node involvement, and second-line chemotherapy was initiated with trabectedin and pegylated liposomal doxorubicin (PLD). Partial response was achieved and successfully maintained for 18 cycles. After the 18th cycle and a 25-month PFI, CT imaging evidenced disease progression. As the patient was a BRCA2 mutation carrier, third-line chemotherapy was initiated with carboplatin and gemcitabine every 3 weeks. After the third cycle, imaging confirmed complete response, which was maintained after the sixth and final cycle. Maintenance treatment with olaparib was initiated. At present – 6 months after the start of maintenance chemotherapy with olaparib – the patient is disease free. Conclusions: Second-line chemotherapy with a nonplatinum combination – trabectedin plus PLD – was effective in a BRCA2 mutation carrier with recurrent partially platinum-sensitive ovarian cancer.
Case Rep Oncol 2017;10:433–437

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