A phase II study of ABT-263/Abiraterone (Arm A) or ABT-263/Abiraterone and Hydroxychloroquine (Arm B) in Patients with Metastatic Castrate Refractory Prostate Cancer (CRPC) and Progression following Abiraterone

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A phase II study of ABT-263/Abiraterone (Arm A) or ABT-263/Abiraterone and Hydroxychloroquine (Arm B) in Patients with Metastatic Castrate Refractory Prostate Cancer (CRPC) and Progression following Abiraterone

ABT-263 with or without hydroxychloroquine will target mechanisms
of resistance to full androgen ablation and restore sensitivity to full androgen ablation therapy. NOTE: although this study is randomized to two arms after a lead in period, the study design will independently, and efficiently, test for activity of ABT-263 with full androgen ablation (with abiraterone) and ABT-263 combined with hydroxychloroquine and full androgen ablation (with abiraterone). As a drug development plan, if one or both arms demonstrate restored activity of abiraterone, these data will definitely support future studies that could be powered to compare regimens and/or assess survival to prove effectiveness in a growing population of patients because of the abundant use of androgen axis targeting agents such as abiraterone.

Protocol Number081214
Principal InvestigatorRobert DiPaola
PhasePhase II
ScopeLocal
Applicable Disease SitesProstate
Therapies InvolvedChemotherapy multiple agents systemic
Hormonal Therapy
Drugs InvolvedABT-263
Abiraterone
Participating InstitutionsRutgers Cancer Institute of New Jersey

For further information on this clinical trial, please contact us at 732-235-8675 or cinjclinicaltrials@umdnj.edu.