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Single agent trabectedin in heavily pretreated patients with recurrent ovarian cancer

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Published:1st Oct 2017
Author: Adam JP, Boumedien F, Letarte N, Provencher D.
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Ref.:Gynecol Oncol. 2017;147(1):47-53.
Single agent trabectedin in heavily pretreated patients with recurrent ovarian cancer

In 2012, due to a shortage of pegylated liposomal doxorubicin, single agent trabectedin was proposed as an alternative of treatment to our patients with recurrent ovarian cancer (ROC) at our center. The aim of this retrospective study was to evaluate efficacy and tolerability of trabectedin in this context.

Patients and methods: This retrospective study included all patients who received intravenous trabectedin 1.3mg/m2 over 3h every 3weeks for ROC between January 2012 and December 2015 at the Centre hospitalier de l'Université de Montreal. The primary outcome was the progression-free survival (PFS) based on CA-125 levels, clinical exam and/or Response Evaluation Criteria in Solid Tumors criteria. We also evaluated overall survival (OS), response rate and toxicities.

Results: A total of 42 patients with a median age of 59years received trabectedin in 2nd or 3rd line (12% of patients), 4th or 5th line (43%), and ≥6 lines (45%) and 45% were platinum-resistant. The median number of cycles received was 6 (range 1–19 cycles). Complete response (CR), partial response (PR), stable disease (SD) and progression occurred in 19%, 29%, 33% and 19% of patients, respectively. The median PFS and OS was 4.3 months (95% CI, 3.4–5.1) and 16.2 months (95% CI, 9.0–23.5), respectively. In patients with a clinical benefit (CR, PR, SD), the median PFS was 4.6 months. Trabectedin was well tolerated with few adverse events.

Conclusion: Our results demonstrate that trabectedin has an interesting efficacy as a single agent in heavily treated ROC patients.

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