Results of a randomized phase II trial of paclitaxel and carboplatin versus bleomycin, etoposide and cisplatin for newly diagnosed and recurrent Chemonaive stromal ovarian tumors: An NRG oncology/gynecologic oncology group study14

Jubilee Brown, Austin Miller, Laura L. Holman, Floor Backes, Christa Nagel, David Bender, David S. Miller, Matthew A. Powell, Shannon N. Westin, Albert Bonebrake, Carolyn Y. Muller, Angeles Alvarez Secord, Erin Crane, John Schorge, William P. Tew, Anil K. Sood, Michael A. Bookman, Carol Aghajanian, David M. Gershenson

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives: To assess the efficacy and toxicity of paclitaxel and carboplatin (PC) compared to bleomycin, etoposide, and cisplatin (BEP) for treatment of newly diagnosed Stage IIA-IV or recurrent chemotherapy-naive ovarian sex cord-stromal tumors (SCST). Methods: This phase II noninferiority trial randomly assigned patients to receive PC (6 cycles P 175 mg/m2 and C AUC = 6 IV every 3 weeks), or BEP (4 cycles B 20 units/m2 IV push day 1, E 75 mg/m2 IV days 1–5, and cisplatin 20 mg/m2 IV days 1–5 every 3 weeks). The primary endpoint was progression- free survival (PFS). This trial is registered with ClinicalTrials.gov, NCT01042522. Results: At the interim analysis, 63 patients (31 PC and 32 B.P. had accrued between Feb 8, 2010 and Apr 30, 2020. Median age was 48 years. 87% had granulosa cell tumors. 37% had measurable disease. The DSMB closed accrual early for futility of PC arm. The futility analysis was supported by an estimated HR = 1.11 [95% CI: 0.57 to 2.13] which exceeded the pre-determined threshold for non-inferiority (1.10). Median PFS was 27.7 months [11.2 to 41.0] for PC and 19.7 months for BEP [95% CI: 10.4–52.7]. PC patients had fewer grade 3 or higher adverse events (PC 77% vs BEP 90%). Conclusions: The study met its pre-specified criterion for stopping early for futility and so failed to demonstrate non-inferiority of PC versus BEP in ovarian SCSTs, in a non-inferiority test with a hazard ratio margin of 1.1. Both PC and BEP may be considered in patients with advanced/recurrent SCST.

Original languageEnglish
Pages (from-to)283-290
Number of pages8
JournalGynecologic oncology
Volume190
DOIs
StatePublished - Nov 2024

Keywords

  • Bleomycin
  • Granulosa cell tumor
  • Ovarian cancer
  • Paclitaxel
  • Sex cord-stromal tumor

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