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Clinical Trial Summary

Single arm, multicenter, open-label Phase II study of the effects of parenteral testosterone in combination with nivolumab in men with metastatic castration-resistant prostate cancer who previously progressed on at least one novel androgen-receptor targeted therapy (i.e. Abiraterone acetate, Enzalutamide). Up to one taxane agent is permitted.


Clinical Trial Description

The trial will enroll up to 44 participants. Eligible participants will continue on androgen ablative therapy with a GnRH analogue (i.e. Zoladex, Trelstar, Eligard, or Lupron) if they have not undergone orchiectomy. Following enrollment, participants will receive an intramuscular injection of testosterone cypionate 400mg every 4 weeks for a lead-in period of 12 weeks. After the lead-in period, all participants will be treated with nivolumab 480mg IV every 4 weeks and maintained on testosterone cypionate 400mg IM every 4 weeks. Assessments for response to testosterone + nivolumab will be performed approximately every 3 months. Treatment [with a minimum drug exposure of 12 weeks] will be continued until PSA progression (Prostate Cancer Working Group 3 [PCWG3] criteria) or clinical/radiographic progression (whichever comes first), or until unmanageable toxicity requiring drug cessation. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03554317
Study type Interventional
Source Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Contact Michaella Afful, RN
Phone 410-502-0017
Email mafful1@jhmi.edu
Status Recruiting
Phase Phase 2
Start date September 5, 2018
Completion date July 2021

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