Protocol for the P3BEP trial (ANZUP 1302): An international randomised phase 3 trial of accelerated versus standard BEP chemotherapy for adult and paediatric male and female patients with intermediate and poor-risk metastatic germ cell tumours

on behalf of ANZUP1

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Abstract

Background: Bleomycin, etoposide, and cisplatin (BEP) chemotherapy administered every 3 weeks for 4 cycles remains the standard first line treatment for patients with intermediate- and poor-risk metastatic germ cell tumours (GCTs). Administering standard chemotherapy 2-weekly rather than 3-weekly, so-called 'accelerating chemotherapy', has improved cure rates in other cancers. An Australian multicentre phase 2 trial demonstrated this regimen is feasible and tolerable with efficacy data that appears promising. The aim of this trial is to determine if accelerated BEP is superior to standard BEP as first line chemotherapy for adult and paediatric male and female participants with intermediate and poor risk metastatic GCTs. Methods: This is an open label, randomised, stratified, 2-arm, international multicentre, 2 stage, phase 3 clinical trial. Participants are randomised 1:1 to receive accelerated BEP or standard BEP chemotherapy. Eligible male or female participants, aged between 11 and 45 years with intermediate or poor-risk metastatic GCTs for first line chemotherapy will be enrolled from Australia, the United Kingdom and the United States. Participants will have regular follow up for at least 5 years. The primary endpoint for stage 1 of the trial (n = 150) is complete response rate and for the entire trial (n = 500) is progression free survival. Secondary endpoints include response following treatment completion (by a protocol-specific response criteria), adverse events, health-related quality of life, treatment preference, delivered dose-intensity of chemotherapy (relative to standard BEP), overall survival and associations between biomarkers (to be specified) and their correlations with clinical outcomes. Discussion: This is the first international randomised clinical trial for intermediate and poor-risk metastatic extra-cranial GCTs involving both adult and pediatric age groups open to both males and females. It is also the largest, current randomised trial for germ cell tumours in the world. Positive results for this affordable intervention could change the global standard of care for intermediate and poor risk germ cell tumours, improve cure rates, avoid the need for toxic and costly salvage treatment, and return young adults to long, healthy and productive lives.

Original languageEnglish
Article number854
Number of pages6
JournalBMC Cancer
Volume18
Issue number1
DOIs
Publication statusPublished - 29 Aug 2018

Keywords

  • Chemotherapy
  • Germ cell tumours
  • Phase 3 trial

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