- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02744287
Safety and Activity Study of PSCA-Targeted CAR-T Cells (BPX-601) in Subjects With Selected Advanced Solid Tumors
A Phase 1/2 Feasibility, Safety, and Activity Study of PSCA-Specific Chimeric Antigen Receptor Engineered T Cells (BPX-601) in Subjects With Previously Treated Advanced Solid Tumors
Study Overview
Status
Intervention / Treatment
Detailed Description
The goal of this study is to characterize the feasibility, safety, and clinical activity of PSCA-specific CAR-T cells, BPX-601, administered with rimiducid to subjects with previously treated, PSCA-positive advanced solid tumors (prostate). BPX-601 CAR-T cells are genetically engineered to express a chimeric antigen receptor (CAR) to target the PSCA antigen and a rimiducid-inducible signaling domain which functions as a molecular "go-switch" to enhance activation and proliferation.
Phase 1: Cell dose escalation to identify the maximum dose of BPX-601 administered with single or repeat doses of rimiducid.
Phase 2: Indication-specific dose expansion to assess the safety, pharmacodynamics (including BPX-601 persistence), and clinical activity at the recommended dose identified in Phase 1 in various PSCA-expressing solid tumors.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Contact
- Name: BPX-601 Study Team
- Phone Number: 832-384-1100
- Email: 012mail@bellicum.com
Study Locations
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Florida
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Tampa, Florida, United States, 33612
- Moffitt Cancer Center
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Georgia
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Atlanta, Georgia, United States, 30322
- Emory Winship Cancer Institute
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Illinois
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Chicago, Illinois, United States, 60612
- Rush University Medical Center
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Chicago, Illinois, United States, 60637
- University of Chicago Medicine
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Michigan
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Detroit, Michigan, United States, 48201
- Karmanos Cancer Institute
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Nebraska
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Omaha, Nebraska, United States, 68198
- University of Nebraska
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New Jersey
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Hackensack, New Jersey, United States, 07601
- John Theurer Cancer Center, Hackensack University Medical Center
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New York
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Buffalo, New York, United States, 14263
- Roswell Park Cancer Institute
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New York, New York, United States, 10032
- Columbia University Medical Center
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North Carolina
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Durham, North Carolina, United States, 27705
- Duke University
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19107
- Thomas Jefferson University
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Texas
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Dallas, Texas, United States, 75246
- Baylor Sammons Cancer Center
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Houston, Texas, United States, 77030
- The University of Texas MD Anderson Cancer Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Metastatic castration-resistant prostate cancer (mCRPC), with progressive disease per PCWG3 criteria during or following the direct prior line of therapy.
- Measurable disease per RECIST v1.1 at baseline; subjects with mCRPC with bone only metastases must have measurable PSA.
- Age ≥18 years.
- Life expectancy > 12 weeks.
- ECOG 0-1
- Adequate organ function.
Exclusion Criteria:
- Prostate cancer with unstable bone lesions or symptomatic/untreated coagulopathy, or history of > Grade 2 hematuria within the previous 6 months.
- Prior CAR T cell or other genetically-modified T cell therapy. Prior treatment with an immune-based therapy for the treatment of prostate cancer, including cancer vaccine therapies are allowable.
- Symptomatic, untreated, or actively progressing central nervous system metastases.
- Impaired cardiac function or clinically significant cardiac disease.
- Pregnant or breastfeeding.
- Participant requires chronic, systemic steroid therapy.
- Severe intercurrent infection.
- Known HIV positivity.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Arm 1: Phase 1 Dose Escalation
Participants with advanced prostate cancer will receive an intravenous infusion of BPX-601 followed by one or more intravenous infusions of rimiducid.
Dose escalation of BPX-601 will continue until the recommended cell dose level is reached.
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Autologous T cells genetically modified with retrovirus vector containing PSCA-specific CAR and an inducible MyD88/Cluster Designation (CD)40 (iMC) co-stimulatory domain
Dimerizer infusion to activate the iMC of the BPX-601 cells for improved proliferation and persistence
Other Names:
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Experimental: Arm 2: Phase 2 Dose Expansion
Participants with advanced prostate cancer will receive an intravenous infusion of BPX-601 at the recommended cell dose level followed by one or more intravenous infusions of rimiducid.
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Autologous T cells genetically modified with retrovirus vector containing PSCA-specific CAR and an inducible MyD88/Cluster Designation (CD)40 (iMC) co-stimulatory domain
Dimerizer infusion to activate the iMC of the BPX-601 cells for improved proliferation and persistence
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Dose Limiting Toxicity
Time Frame: 4 weeks after first rimiducid infusion (i.e., Day 35)
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Incidence of dose limiting toxicity
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4 weeks after first rimiducid infusion (i.e., Day 35)
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Treatment emergent adverse events (AEs) and serious AEs (SAEs)
Time Frame: 180 days after BPX-601 treatment up to 15 years
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Number of participants with adverse events (AEs) and serious AEs (SAEs) assessed for severity using NCI CTCAE v4.03
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180 days after BPX-601 treatment up to 15 years
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Maximum tolerated dose (MTD) and/or recommended phase 2 dose (RP2D)
Time Frame: through Phase 1 completion, up to 5 years
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Identify the optimal dose of BPX-601 with rimiducid for Phase 2
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through Phase 1 completion, up to 5 years
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pharmacodynamics (PD) of BPX-601
Time Frame: up to 1 year after treatment
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Change from baseline in pharmacodynamic blood biomarkers - markers of BPX-601 CAR-T cells
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up to 1 year after treatment
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Antitumor activity of BPX-601
Time Frame: From the time of BPX-601 cell infusion until confirmed disease progression or death due to any cause, the start of new anticancer therapy, or withdrawal, whichever comes first, as assessed for up to 5 years after the last subject has been enrolled
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Percentage of subjects with objective response determined by the investigator according to the Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 or the Prostate Cancer Working Group 3 (PCWG3) criteria
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From the time of BPX-601 cell infusion until confirmed disease progression or death due to any cause, the start of new anticancer therapy, or withdrawal, whichever comes first, as assessed for up to 5 years after the last subject has been enrolled
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- BP-012
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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