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RECRUITING
NCT07067255
PHASE1/PHASE2

Sequential CD146 and GPC3 CAR-T Cell Therapy in Advanced Ovarian Cancer

Sponsor: Essen Biotech

View on ClinicalTrials.gov

Summary

This is a multicenter, open-label Phase 1/2 clinical trial evaluating the safety and preliminary efficacy of sequentially administered CD146-targeted and GPC3-targeted CAR-T cell therapy in patients with advanced relapsed or refractory ovarian cancer. Eligible patients will undergo lymphodepleting chemotherapy with cyclophosphamide and fludarabine, followed by an infusion of autologous CD146-directed CAR-T cells (Arm A) and a subsequent infusion of autologous GPC3-directed CAR-T cells (Arm B). The Phase 1 portion will assess safety, tolerability, and dose-limiting toxicities (DLTs) to determine a recommended Phase 2 dose, while the Phase 2 portion will evaluate efficacy endpoints including objective response rate (ORR), progression-free survival (PFS), and overall survival (OS). Patients will be followed for up to 36 months after CAR-T infusion to monitor long-term outcomes and adverse events.

Official title: Phase 1/2 Study of Sequential CD146 and GPC3 CAR-T Cell Therapy in Advanced Ovarian Cancer

Key Details

Gender

All

Age Range

21 Years - 90 Years

Study Type

INTERVENTIONAL

Enrollment

80

Start Date

2025-04-29

Completion Date

2029-12-28

Last Updated

2025-07-16

Healthy Volunteers

No

Interventions

BIOLOGICAL

GPC3 CD146 CAR-T cells

The intervention in this clinical trial involves a novel approach using CD146/GPC3 Chimeric Antigen Receptor T (CAR T) cells combined with chemotherapy. The goal is to assess safety and efficacy in patients with specific hematologic malignancies. Treatment Regimen: Patients in the trial will undergo the following regimen: Fludarabine Phosphate (Days -4 to -2): IV administration of fludarabine phosphate over 30 minutes on days -4 to -2. It's part of the preparatory regimen to enhance the body's response to CAR T-cell therapy. Cyclophosphamide (Day -2): IV cyclophosphamide over 60 minutes on day -2. GPC3/CD146 Chimeric Antigen Receptor T Cells (Day 0): IV administration of investigational therapy, GPC3/CD146 CAR T cells, over 10-20 minutes on day 0. Additional Doses: Eligible patients responding well to the initial CD146/GPC3 CAR-T cell infusion without unacceptable side effects and sufficient CAR-T cell availability may receive 2 or 3 additional doses.

Locations (1)

District One Hospital

Beijing, Beijing Municipality, China