An Open-label, Phase II Study of AZD4635 in Patients With Prostate Cancer

"In Module 1, participants will receive AZD4635 75 mg capsule orally QD for first 14 days and thereafter will continue to receive 75 mg orally QD Q4W.~In Module 2, participants will receive AZD4635 50 mg / 75 mg capsule orally QD Q2W of 28-day cycle for the first 4 doses and Q4W thereafter.~In both modules, participants will receive treatment until will derive clinical benefit as judged by the investigator or until confirmed disease progression, unacceptable toxicity, started alternative anticancer therapy, withdrawal of consent, or lost to-follow-up, whichever occurs first."

In Module 2, participants will receive oleclumab 1500 mg IV (solution for infusion after dilution, 50 mg/mL) Q2W of 28-day cycle for the first 4 doses and Q4W thereafter until will derive clinical benefit as judged by the investigator or until confirmed disease progression, unacceptable toxicity, started alternative anticancer therapy, withdrawal of consent, or lost to-follow-up, whichever occurs first.

In Module 1 after monotherapy of AZD4635, participants will receive durvalumab 1500 mg IV (solution for infusion after dilution, 50 mg/mL) Q4W until will derive clinical benefit as judged by the investigator or until confirmed disease progression, unacceptable toxicity, started alternative anticancer therapy, withdrawal of consent, or lost to-follow-up, whichever occurs first.