Prostate Cancer Biomarker Enrichment and Treatment Selection (PC-BETS) Study
Overview
- Phase
- Phase 2
- Intervention
- CFI-400945
- Conditions
- Prostate Cancer
- Sponsor
- Canadian Cancer Trials Group
- Enrollment
- 200
- Locations
- 11
- Primary Endpoint
- Clinical benefit rate defined as proportion of patients who had PSA decline ≥ 50%, complete or partial objective response, or Stable disease for ≥ 12 weeks.
- Status
- Active, Not Recruiting
- Last Updated
- 8 months ago
Overview
Brief Summary
The purpose of the pre-study screening is to test for DNA abnormalities or biomarkers.
Detailed Description
This testing will be done on a samples of blood to see whether or not patients are eligible to take part in one of the sub-studies. Each study will be looking at what effects a new drug or drugs has on prostate cancer and will also be looking at the side effects of treatment. The purpose of the main studies is to see if the biomarkers that were identified screening samples can help predict which patients are most likely to be helped by that drug or drugs and to see how the cancer cells respond to treatment.
Investigators
Eligibility Criteria
Inclusion Criteria
- •The following will be required prior to REGISTRATION:
- •Patients must have histologically confirmed adenocarcinoma of the prostate without pathologic or clinical evidence (e.g. PSA \< 2.0 μg/L with liver metastases) of small cell neuroendocrine differentiation.
- •Patients must consent prior to blood collection for screening correlative testing by a central reference laboratory. The screening blood sample cannot be sent for analysis prior to screening registration.
- •All patients must have consented to the release of a tumour block from their primary or metastatic tumour. The centre/pathologist must have agreed to the submission of the specimen(s). Contact CCTG if no archival tissue is available.
- •Patients must have evidence of castrate resistance with either biochemical or radiological disease progression in the setting of surgical or medical castration:
- •PSA Progression:
- •Minimum of two rising PSA values from a baseline measurement with an interval of ≥ 1 week between each measurement
- •PSA must be ≥ 2.0 µg/L (ng/mL)
- •Objective progression:
- •RECIST 1.1, or
Exclusion Criteria
- •Patients with a history of other malignancies, except: adequately treated non-melanoma skin cancer, or other solid tumours curatively treated with no evidence of disease for ≥ 2 years.
- •Patients with central nervous system (CNS) involvement unless at least 4 weeks from prior therapy completion (including radiation and/or surgery) AND clinically stable and not receiving steroids and/or enzyme-inducing anti-epileptic medications for brain metastases. Patients with epilepsy not due to CNS metastases are eligible as long as no contraindication or concern with drug interactions.
- •Patients with serious illnesses or medical conditions which could cause unacceptable safety risks or would not permit the patient to be managed according to the protocol. This includes but is not limited to:
- •active infection requiring systemic therapy;
- •active or known human immunodeficiency virus (HIV) with detectable viral load;
- •uncontrolled or recent clinically significant cardiac disease, including:
- •angina pectoris, symptomatic pericarditis, coronary artery bypass grafting, coronary angioplasty, or stenting, or myocardial infarction in the previous 12 months;
- •history of documented congestive heart failure (New York Heart Association functional classification III-IV) or cardiomyopathy;
- •history of any cardiac arrhythmias, e.g. ventricular, supraventricular, nodal arrhythmias, or conduction abnormality in the previous 12 months;
- •patients with uncontrolled hypertension.
Arms & Interventions
CFI400945 PLK4 inhibitor - ARM CLOSED
Intervention: CFI-400945
Ipatasertib AKT inhibitor
Intervention: Ipatasertib
WEE-1 inhibitor - ARM CLOSED
Intervention: Adavosertib
cMET inhibitor
Intervention: Savolitinib
novel non-steroidal androgen receptor (AR) antagonist
Intervention: Darolutamide
Durvalumab and Tremelimumab immunotherapy
Intervention: Durvalumab and Tremelimumab
Carboplatin platinum based chemotherapy
Intervention: Carboplatin
Outcomes
Primary Outcomes
Clinical benefit rate defined as proportion of patients who had PSA decline ≥ 50%, complete or partial objective response, or Stable disease for ≥ 12 weeks.
Time Frame: 2 years
Secondary Outcomes
- Measure effect of each study drug on PSA decline(2 years)
- Measure objective response as determined by RECIST 1.1 criteria(2 years)
- Number and severity of adverse events(2 years)
- Measure effect of each study drug on time to PSA progression(2 years)
- To summarize progression-free survival(2 years)
- To summarize overall survival(2 years)