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High Efficacy and Low Toxicity of the Modified Docetaxel and Carboplatin Protocol in Patients with Recurrent Ovarian Cancer—A Phase 2 Cohort Study
  1. Ilan Bruchim, MD,
  2. Natalie Weeg, MBBS,
  3. Yoav Alpert, MD,
  4. Dana Sade, MD,
  5. Ettie Piura, MD and
  6. Ami Fishman, MD
  1. Gynecological Oncology Unit, Meir Medical Center, Kfar Saba, Israel, Affiliated with Tel Aviv University, Tel Aviv, Israel.
  1. Address correspondence and reprint requests to Ilan Bruchim, MD, Division of Gynecologic Oncology, Meir Medical Center, Kfar Saba 44821, Israel. E-mail: ilan.bruchim{at}gmail.com.

Abstract

Objective Most patients with epithelial ovarian cancer will experience a recurrence; currently, there is no cure. In patients with platinum-sensitive disease (platinum-free interval >6 months), a combination similar to that used as frontline therapy (carboplatin and paclitaxel) is recommended. However, it is associated with a high incidence (20%) of neurotoxicity. This study evaluated the efficacy and toxicity of combination docetaxel/carboplatin therapy in patients with platinum-sensitive recurrent ovarian cancer.

Methods Forty patients with recurrent, histologically proven ovarian, fallopian tube, or primary peritoneal cancer were enrolled in this phase 2 trial. The study protocol included combination therapy with docetaxel, 30 mg/m2, on days 1 and 8, and carboplatin, area under the curve 5, on day 1, every 21 days. Twenty received the classical paclitaxel/carboplatin regimen (control group), and another 20 received the modified docetaxel/carboplatin protocol (study group).

Results Median follow-up was 78 months for the study group and 62 months for the control group. The study group had a higher overall response rate compared to controls: 80% and 30%, respectively (P = 0.004; relative risk, 9.3; 95% confidence interval, 2.18–39.96). Complete response was achieved in 60% and 25%, respectively (P = 0.054). The study group patients showed a superior 2-year survival rate of 75% compared with the 35% of the controls (P = 0.011; relative risk, 5.57; 95% confidence interval, 1.47–21.56). Hematological and neurological toxicity rates did not differ between the groups (P = 0.451 and P = 0.605, respectively).

Conclusions Patients with recurrent ovarian cancer who received the modified docetaxel/carboplatin regimen had higher overall response and survival rates compared to those who had the paclitaxel/carboplatin regimen, with no difference in toxicity. Future larger studies should focus on strategies to compare this regimen to the current standard, with an emphasis on quality of life.

  • Recurrent ovarian cancer
  • Docetaxel

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Footnotes

  • The authors declare no conflicts of interest.

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