MedPath

Cabozantinib in Patients With Metastatic Castrate Resistant Prostate Cancer (mCRPC)

Phase 2
Recruiting
Conditions
Prostate Cancer
Interventions
Registration Number
NCT04631744
Lead Sponsor
Weill Medical College of Cornell University
Brief Summary

The purpose of this study is to determine what effects (good and bad) cabozantinib has in treatment of patients with metastatic castrate resistant prostate cancer (mCRPC).

The hypothesis for this trial is that cabozantinib has anti-tumor activity in a molecularly-selected group of patients with CRPC or patients with liver metastases.

Detailed Description

This is a single-arm, open-label Phase II multi-institutional trial in 30 patients who have been molecularly selected based on that their tumors possess alterations in molecular targets of cabozantinib or who have liver metastases. Patients will be treated be continuously until they develop radiographic progression or discontinue cabozantinib for toxicity. If 6 or more out of 12 subjects with particular mutation or gene amplification show progression prior to 6 months, accrual for the particular genomic alteration may close. In addition, a series of correlative studies will be performed including tissue biopsies in order to further define the mechanisms of cabozantinib anti-tumor action in prostate cancer and identify surrogate markers of response.

This research study is being done because additional effective treatments are needed for prostate cancer that has spread and is growing despite hormone suppression. Prior studies indicate that Cabozantinib may be effective in a subset of these participants, but that has not yet been determined.

About 30 subjects will take part in this study across all participating sites. We expect to enroll approximately 20 participants at Weill Cornell Medicine and approximately 3-5 subjects per participating site. All subjects participating in this study will be treated with Cabozantinib. All subjects will continue to take LHRH analogue therapy.

Once eligible participants will be enrolled on the trial for approximately approximately 12 months. At that point, subjects will switch to long-term follow up for two years after removal from the study or until death, whichever occurs first.

Study related procedures can be combined with routine Standard of Care (SOC) visits. These will include obtaining medical history, vitals, routine blood collection, radiographic imaging (CT, MRI and Bone scan), EKG and between 2 and 4 weeks after starting therapy, a tumor biopsy is required. This will be done with a needle by local sedation by an Interventional Radiologist.

Recruitment & Eligibility

Status
RECRUITING
Sex
Male
Target Recruitment
30
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Cabozantinib ArmCabozantinib-
Primary Outcome Measures
NameTimeMethod
Median radiographic progression-free survival (rPFS) using Kaplan-Meier methodologyFrom initiation of treatment to minimum of radiographic progression, approximately 6 months.

Radiographic progression will be assessed based on PCWG-modified RECIST criteria for soft-tissue lesions and bone lesions. Radiographic progress-free survival (rPFS) is defined as time from start of treatment to minimum of radiographic progression.

Secondary Outcome Measures
NameTimeMethod
Change in prostate specific antigen (PSA)From initiation of treatment to minimum of radiographic progression, at approximately 6 months after start of treatment.

Proportion of men with meaningful decrease in PSA based on modified PCWG3 criteria.

Overall survival (OS)Patients will be followed every 12 weeks up to 2 years after completion of study

Overall survival will be captured through in-clinic or telephone contact with patients.

Proportion of patients with a tumor responseFrom initiation of treatment to minimum of radiographic progression, at approximately 6 months after start of treatment.

Modified response evaluation criteria in solid tumors (RECIST) criteria is used to determine complete response (CR) or partial response (PR).

Number of adverse eventsFrom initiation of treatment to 30 days after last dose of treatment

Adverse events based on NCI-CTCAE Version 5 guidelines

Trial Locations

Locations (4)

Karmanos Cancer Institute

🇺🇸

Detroit, Michigan, United States

Columbia University Irving Medical Center

🇺🇸

New York, New York, United States

Weill Cornell Medicine

🇺🇸

New York, New York, United States

University of Pittsburgh Medical Center (UPMC)

🇺🇸

Pittsburgh, Pennsylvania, United States

© Copyright 2025. All Rights Reserved by MedPath