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Brief Title: Pidnarulex and Talazoparib in Patients With Metastatic Castration Resistant Prostate Cancer
Official Title: Phase 1 Trial of Pidnarulex and Talazoparib in Patients With Metastatic Castration Resistant Prostate Cancer
Study ID: NCT05425862
Brief Summary: This is phase I, open label, multicentre, dose-escalation study where both doses of talazoparib and pidnarulex will be escalated to define the maximum tolerated dose (MTD) and recommended phase 2 dose (RP2D) for the combination. It is possible that either 1 or 2 RP2D of the combination will be defined at the end of the study. Patients with disease that is deemed to be amendable to repeated tumour biopsies will be invited to undergo optional paired biopsies: at baseline and Cycle 1 Day 9 + 3 days and at the time of progression. Pidnarulex will be given as an IV infusion on days 1 and 8 of a 28 day cycle and talazoparib will be taken once daily continuously. Disease status will be assessed at regular intervals by CT scans, radionuclide bone scans, and PSA. Throughout the study, safety and tolerability will be assessed and established procedures for management of toxicities will be applied
Detailed Description:
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: MALE
Healthy Volunteers: No
St Vincent's Hospital Sydney, Sydney, New South Wales, Australia
Box Hill Hospital, Box Hill, Victoria, Australia
Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
Royal Melbourne Hospital, Melbourne, Victoria, Australia
Alfred Hospital, Prahran, Victoria, Australia
Name: Shahneen Sandhu
Affiliation: Peter MacCallum Cancer Research
Role: PRINCIPAL_INVESTIGATOR