Study of Cabozantinib in Combination With Atezolizumab Versus Second NHT in Subjects With mCRPC

Official Title

A Phase 3, Randomized, Open-Label, Controlled Study of Cabozantinib (XL184) in Combination With Atezolizumab vs Second Novel Hormonal Therapy (NHT) in Subjects With Metastatic Castration-Resistant Prostate Cancer

Summary:

This is a Phase 3, multi-centre, randomized, open-label, controlled study designed to evaluate the safety and efficacy of cabozantinib given in combination with atezolizumab versus a second novel hormonal therapy (NHT) in men with metastatic castration-resistant prostate cancer (mCRPC) who have previously been treated with one, and only one, NHT for their prostate cancer disease.

Trial Description

Primary Outcome:

  • Duration of Progression Free Survival per Response Evaluable Criteria in Solid Tumours version 1.1 (RECIST 1.1)
  • Duration of Overall Survival (OS)
Secondary Outcome:
  • Objective response rate (ORR)
The primary objective of this study is to evaluate the efficacy of cabozantinib (XL184) in combination with atezolizumab versus a second NHT (abiraterone or enzalutamide) in subjects with mCRPC who have previously been treated with one, and only one, NHT (e.g. abiraterone, apalutamide, darolutamide, or enzalutamide) to treat metastatic castration-sensitive prostate cancer (mCSPC), non-metastatic CRPC (M0 CRPC), or mCRPC, and who have measurable extrapelvic disease. The multiple primary efficacy endpoints comparing the experimental arm and control arm are Duration of Progression Free Survival (PFS) per RECIST 1.1 by Blinded Independent Radiology Committee (BIRC) and Duration of Overall Survival (OS). The secondary efficacy endpoint is Objective Response Rate (ORR) per RECIST 1.1 per BIRC.

View this trial on ClinicalTrials.gov

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Resources

Canadian Cancer Society

These resources are provided in partnership with the Canadian Cancer Society