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NCT06347068 | RECRUITING | Breast Cancer

Study of Autologous CAR-T Cells Targeting B7-H3 in TNBC iC9-CAR.B7-H3 T Cells
Sponsor:

UNC Lineberger Comprehensive Cancer Center

Brief Summary:

This phase 1, single-center, open-label study explores the safety of escalating doses of chimeric antigen receptor T cells (CAR-T) cells in subjects with relapsed/refractory triple-negative breast cancer (TNBC).

Condition or disease

Breast Cancer

Relapse

Resistant Cancer

Triple Negative Breast Cancer

Intervention/treatment

iC9-CAR.B7-H3 T Cell Therapy

cyclophosphamide

fludarabine

Phase

PHASE1

Detailed Description:

T lymphocyte chimeric antigen receptor cells against the B7-H3 antigen (iC9-CAR.B7-H3 T cells) treatment is experimental and has not been approved by the Food and Drug Administration. The safety of iC9-CAR.B7-H3 T cells will be investigated using a modified 3+3 design. The data from the dose escalation will be used to determine a recommended phase 2 dose (RP2D), which will be decided based on the maximum tolerated dose (MTD) and additional factors such as the ability to manufacture sufficient cells for infusion. Subjects with TNBC who meet procurement eligibility criteria will have cells collected to manufacture iC9-CAR.B7-H3 T cells. Eligible subjects will receive lymphodepletion with cyclophosphamide and fludarabine.

Study Type : INTERVENTIONAL
Estimated Enrollment : 42 participants
Masking : NONE
Primary Purpose : TREATMENT
Official Title : Study of Administration of T Cells Expressing B7-H3 Specific Chimeric Antigen Receptors and Containing the Inducible Caspase 9 Safety Switch in Subjects With Triple Negative Breast Cancer
Actual Study Start Date : 2024-06-27
Estimated Primary Completion Date : 2026-05
Estimated Study Completion Date : 2028-05

Information not available for Arms and Intervention/treatment

Ages Eligible for Study: 18 Years
Sexes Eligible for Study: ALL
Accepts Healthy Volunteers:
Criteria
Inclusion Criteria
  • Unless otherwise noted, subjects must meet all of the following criteria to participate in in all phases of the study
    • 1. Written informed consent and Health Insurance Portability and Accountability Act (HIPAA) authorization for release of personal health information explained to, understood by and signed by the subject or legally authorized representative.
    • 2. Age ≥ 18 years at the time of consent.
    • 3. Karnofsky score of \> 60% (see APPENDIX VI- Karnofsky Scale))
    • 4. Histologically confirmed TNBC (ER-, PR-, HER2-negative)
    • 1. ER- and PR-negative: defined as \< 1% staining by immunohistochemistry (IHC)
    • 2. HER2-negative: defined as IHC 0-1+ or fluorescence in situ hybridization (FISH) ratio \< 2.0
    Exclusion Criteria
    • 1. Patients with a history of symptomatic CNS involvement or multiple metastases requiring whole-brain radiation.
    • 2. Subjects with a prior or concurrent malignancy whose natural history or treatment has the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial.
    • 3. Subject does not have a measurable and or evaluable disease as defined by RECIST 1.1
Study of Autologous CAR-T Cells Targeting B7-H3 in TNBC iC9-CAR.B7-H3 T Cells

Location Details

NCT06347068

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Locations

RECRUITING

United States, North Carolina

University of North Carolina

Chapel Hill, North Carolina, United States, 27599