Prostate Cancer Clinical Trial
A Study of CART-PSMA-TGFβRDN in Patients With Metastatic Castration Resistant Prostate Cancer
Multi-center, open-label, Phase 1 study of the safety, tolerability and feasibility of dosing patients harboring metastatic castration resistant prostate cancer (mCRPC) with genetically modified autologous T cells (CART-PSMA-TGFβRDN cells) engineered to express a chimeric antigen receptor (CAR) capable of recognizing the tumor antigen prostate-specific membrane antigen (PSMA) and activating the T cell.
This is a Phase 1 single-arm study designed to identify the dose and regimen of CART-PSMA- TGFβRDN cells that can be safely administered intravenously following the lymphodepletion (LD) regimen to patients with metastatic castration resistant prostate cancer (mCRPC). Following Dose Escalation, a Cohort Expansion will enroll patients to further explore the safety and tolerability of the selected dose and schedule.
It is anticipated that up to 50 patients will enroll in this study in both dose escalation and cohort expansion.
Confirmed histologic diagnosis of prostate cancer and have mCRPC, with castrate levels of testosterone (<50 ng/mL)
PSA measurable disease per Prostate Working Group 3 (PCWG3) criteria
Prior therapies defined as at least 2 prior lines of systemic therapy for prostate cancer, including at least one second generation androgen receptor inhibitor and/or CYP17α inhibitor. At least one line of prior therapy must be in the mCRPC setting
Estimated estimated glomerular filtration rate ≥ 60 mL/min by Modification of Diet in Renal Disease criteria
Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 2.5x the upper limit of normal (ULN); patients with hepatic metastases ALT and AST ≤ 3.0 x ULN
Serum total bilirubin < 1.5 mg/dL unless patient has known Gilbert's Syndrome, then serum bilirubin ≤3 mg/dL
Serum albumin ≥ 3.0 g/dL
Left ventricular ejection fraction (LVEF) ≥ 50%. LVEF assessment must have been performed within 8 weeks of enrollment
Hemoglobin ≥ 8 g/dL
Absolute neutrophil count ≥ 1000/μL
Platelet count ≥ 75,000/μL
Patients who have not undergone bilateral orchiectomy must be able to continue gonadotropin-releasing hormone (GnRH) therapy during the study
Eastern Cooperative Oncology Group (ECOG) score of 0 or 1
Toxicities from any previous therapy must have recovered to Grade 1 or baseline
Patients of reproductive potential agree to use of approved highly effective contraceptive methods
Active invasive cancer, other than the proposed cancer included in the study, within 2 years prior to screening, unless treated with curative intent
Current treatment with systemic corticosteroids (defined as a dose greater than the equivalent of prednisone 10 mg/day)
Active autoimmune disease (including connective tissue disease, uveitis, sarcoidosis, inflammatory bowel disease or multiple sclerosis) or a history of severe autoimmune disease requiring prolonged immunosuppressive therapy (any immunosuppressive therapy within 6 weeks prior to screening visit)
Current human immunodeficiency virus (HIV), hepatitis C virus, hepatitis B virus infections; Patients who are hepatitis B core antigen positive, hepatitis B surface antigen negative, should have a quantitative viral load measured; If viral load is undetectable, the patient will not be excluded if hey are able to be treated with anti-viral medication for at least 7 days prior to lymphodepletion until at least 6 months after infusion with viral load and ALT monitoring
Active or uncontrolled medical or psychological condition that would preclude participation
History of seizure disorder
Prior allogeneic stem cell transplant
Central nervous system malignancy
History of severe infusion reaction to monoclonal antibodies or biological therapies, or to study product excipients that would preclude the patient safely receiving CART-PSMA-TGFβRDN cells
History of being previously treated with a J591 antibody-based therapy
Ferritin levels ≥ 4x the upper limit of normal prior to apheresis or prior to the start of lymphodepleting chemotherapy
Active or recent (within the past 6 months prior to apheresis or lymphodepletion) cardiovascular disease, defined as (1) New York Heart Association Class III or IV heart failure, (2) unstable angina, (3) a history of recent (within 6 months) myocardial infarction or sustained (> 30 second) ventricular tachyarrhythmias, or (4) cerebrovascular accident
Any active infection currently being treated or any infection within the last 6 weeks that required 7 days or more of IV antibiotics or any active infection within the last 4 weeks that requires use of oral antibiotics. Patients may be eligible once these timeframes elapse and with evidence that the infection has completely resolved
Have inadequate venous access for or contraindications for the apheresis procedure
Must agree not to participate in a conception process or must agree to a highly effective method of contraception
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There are 9 Locations for this study
Tampa Florida, 33612, United States
Kansas City Kansas, 66160, United States
Saint Louis Missouri, 63110, United States
New York New York, 10032, United States
Philadelphia Pennsylvania, 19104, United States
Philadelphia Pennsylvania, 19107, United States
Pittsburgh Pennsylvania, 15232, United States
Nashville Tennessee, 37203, United States
Seattle Washington, 98195, United States
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