Randomized Phase III Study Comparing Paclitaxel–Bleomycin, Etoposide, and Cisplatin (BEP) to Standard BEP in Intermediate-Prognosis Germ-Cell Cancer: Intergroup Study EORTC 30983

Authors:
  • ISIwona Skoneczna
    Iwona Skoneczna
  • MSMaria De Santis
    Maria De Santis
  • AGAugust Garin
    August Garin
  • NANina Aass
    Nina Aass
  • AWAlfred J. Witjes
    Alfred J. Witjes
  • PAPeter Albers
    Peter Albers
  • JWJeffery D. White
    Jeffery D. White
  • JGJosé R. Germa-Lluch
    José R. Germa-Lluch
  • SMSandrine Marreaud
    Sandrine Marreaud
  • LCLaurence Collette
    Laurence Collette
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Abstract
Purpose: To compare the efficacy of four cycles of paclitaxel–bleomycin, etoposide, and cisplatin (T-BEP) to four cycles of bleomycin, etoposide, and cisplatin (BEP) in previously untreated patients with intermediate-prognosis germ-cell cancer (GCC). Patients and Methods: Patients were randomly assigned to receive either T-BEP or standard BEP. Patients assigned to the T-BEP group received paclitaxel 175 mg/m2 in a 3-hour infusion. Patients who were administered T-BEP received primary granulocyte colony-stimulating factor (G-CSF) prophylaxis. The study was designed as a randomized open-label phase II/III study. To show a 10% improvement in 3-year progression-free survival (PFS), the study aimed to recruit 498 patients but closed with 337 patients as a result of slow accrual. Results: Accrual was from November 1998 to April 2009. A total of 169patients were administered BEP, and 168 patients were administered T-BEP. Thirteen patients in both arms were ineligible, mainly as a result of a good prognosis of GCC (eight patients administered BEP; six patients administered T-BEP) or a poor prognosis of GCC (one patient administered BEP; four patients administered T-BEP). PFS at 3 years (intent to treat) was 79.4% in the T-BEP group versus 71.1% in the BEP group (hazard ratio [HR], 0.73; CI, 0.47 to 1.13; P [log-rank test] = 0.153). PFS at 3 years in all eligible patients was 82.7% versus 70.1%, respectively (HR, 0.60; CI: 0.37 to 0.97) and was statistically significant (P = 0.03). Overall survival was not statistically different. Conclusion: T-BEP administered with G-CSF seems to be a safe and effective treatment regimen for patients with intermediate-prognosis GCC. However, the study recruited a smaller-than-planned number of patients and included 7.7% ineligible patients. The primary analysis of the trial could not demonstrate statistical superiority of T-BEP for PFS. When ineligible patients were excluded, the analysis of all eligible patients demonstrated a 12% superior 3-year PFS with T-BEP, which was statistically significant.

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