Solid Tumor Clinical Trial
Official title:
GD2/PSMA Bi-specific CAR-T Cells For the Treatment of GD2 and PSMA Positive Solid Tumors
The purpose of this clinical trial is to assess the feasibility, safety and efficacy of anti-GD2/PSMA bi-specific CAR-T cell therapy in patients with GD2 and PSMA positive tumor. Another goal of the study is to learn more about the function of the anti-GD2/PSMA bi-specific CAR-T cells and their persistency in patients.
Status | Recruiting |
Enrollment | 60 |
Est. completion date | June 30, 2026 |
Est. primary completion date | December 31, 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 1 Year to 75 Years |
Eligibility | Inclusion Criteria: 1. Patients with tumors have received standard first-line therapy and have been judged to be non-resectable, metastatic, progressive or recurrent. 2. The expression status of GD2 or PSMA antigens in the tumor tissue will be determined for eligibility. Positive expression is defined by GD2 and PMSA antibody staining results based on immunohistochemistry or flow cytometry analyses. 3. Body weight greater than or equal to 10 kg. 4. Age: =1 year and = 75 years of age at the time of enrollment. 5. Life expectancy: at least 8 weeks. 6. Prior Therapy: There is no limit to the number of prior treatment regimens. Any grade 3 or 4 non-hematologic toxicity of any previous therapy must be resolved to grade 2 or less. 7. Participant must not have received hematopoietic growth factors for at least 1 week prior to mononuclear cells collection. 8. At least 7 days must have elapsed since the completion of therapy with a biologic agent, selected targeted agent or a metronomic non-myelosuppressive regimen. 9. At least 4 weeks must have elapsed since prior therapy that included a monoclonal antibody. 10. At least 1 week since any radiation therapy at the time of study entry. 11. Karnofsky/jansky score of 60% or greater. 12. Cardiac function: Left ventricular ejection fraction greater than or equal to 40/55 percent. 13. Pulse Ox greater than or equal to 90% on room air. 14. Liver function: defined as alanine transaminase (ALT) <3x upper limit of normal (ULN), aspartate aminotransferase (AST) <3x ULN; serum bilirubin and alkaline phosphatase <2x ULN. 15. Renal function: Patients must have serum creatinine less than 3 times upper limit of normal. 16. Marrow function: White blood cell count =1000/ul, Absolute neutrophil count =500/ul, Absolute lymphocyte count =500/ul, Platelet count =25,000/ul (not achieved by transfusion). 17. Patients with known bone marrow metastatic disease will be eligible for study as long as they meet hematologic function criteria, and the marrow disease does not have hematologic toxicity. 18. For all patients enrolled in this study, themselves or their parents or legal guardians must sign an informed consent and assent. Exclusion Criteria: 1. Existing severe illness (e.g. significant cardiac, pulmonary, hepatic diseases, etc.) or major organ dysfunction, or greater than grade 2 hematologic toxicity. 2. Untreatable central nervous system (CNS) metastasis: Patients with previous CNS tumor involvement that has been treated and is stable for at least 6 weeks following completion of therapy are eligible. 3. Previous treatment with other genetically engineered GD2 or PSMA-specific CAR T cells or antibody therapy. 4. Active HIV, Hepatitis B virus (HBV), Hepatitis C virus (HCV) infection or uncontrolled infection. 5. Patients who require systemic corticosteroid or other immunosuppressive therapy. 6. Evidence of tumor potentially causing airway obstruction. 7. Inability to comply with protocol requirements. 8. Insufficient CAR T cells availability. |
Country | Name | City | State |
---|---|---|---|
China | Shenzhen Geno-immune Medical Institute | Shenzhen | Guangdong |
Lead Sponsor | Collaborator |
---|---|
Shenzhen Geno-Immune Medical Institute |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of patients with adverse events. | Determine the toxicity profile the bi-4SCAR GD2/PSMA cells with Common Toxicity Criteria for Adverse Effects version 4.0 | 6 months | |
Secondary | Anti-tumor effects | Objective complete response (CR) are assessed by the Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 criteria. | 1 year | |
Secondary | Anti-tumor effects | Objective partial response (PR)) are assessed by the Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 criteria. | 1 year | |
Secondary | The persistence of bi-4SCAR GD2/PSMA T cells | Scale of tumor burden | 1 year | |
Secondary | The expansion bi-4SCAR GD2/PSMA T cells | Scale of CAR copies | 1 year | |
Secondary | Survival time of the patients | The progression free survival (PFS) time of the patients treated with the bi-4SCAR GD2/PSMA T cells will be evaluated | 3 years | |
Secondary | Survival time of the patients | The overall survival (OS) time of the patients treated with the bi-4SCAR GD2/PSMA T cells will be evaluated | 3 years |
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