Clinical trial

A Phase 1/2, Open-Label, Multicenter, Dose Escalation and Cohort Expansion Study of the Safety and Efficacy of Anti-CD19 Allogeneic CRISPR-Cas9-Engineered T Cells (CTX112) in Subjects With Relapsed or Refractory B Cell Malignancies

Name
CRSP-ONC-006
Description
This is an open-label, multicenter, Phase 1/2 study evaluating the safety and efficacy of CTX112™ in subjects with relapsed or refractory B-cell malignancies.
Trial arms
Trial start
2023-03-10
Estimated PCD
2030-01-01
Trial end
2030-02-01
Status
Recruiting
Phase
Early phase I
Treatment
CTX112
CTX112 (CD19-directed T-cell immunotherapy comprised of allogeneic T cells genetically modified ex vivo using CRISPR-Cas9 gene editing components)
Arms:
CTX112
Size
120
Primary endpoint
Phase 1 (Dose Escalation): Incidence of adverse events, defined as dose-limiting toxicities
From CTX112 infusion up to 28 days post-infusion
Phase 2 (Cohort Expansion): Objective response rate
From CTX112 infusion up to 60 months post-infusion
Eligibility criteria
Key Inclusion Criteria: 1. Age ≥18 years. 2. Refractory or relapsed B cell malignancy. 3. Eastern Cooperative Oncology Group performance status 0 or 1. 4. Adequate renal, liver, cardiac and pulmonary organ function. 5. Female subjects of childbearing potential and male subjects must agree to use acceptable method(s) of contraception from enrollment through at least 12 months after CTX112 infusion. Key Exclusion Criteria: 1. Prior allogeneic hematopoietic stem cell transplant (HSCT). 2. Active or history of central nervous system (CNS) involvement by malignancy. 3. History of a seizure disorder, cerebrovascular ischemia/hemorrhage, dementia, cerebellar disease, or any autoimmune disease with CNS involvement. 4. Presence of bacterial, viral, or fungal infection that is uncontrolled or requires IV anti-infectives. 5. Active HIV, hepatitis B virus or hepatitis C virus infection. 6. Previous or concurrent malignancy, except basal cell or squamous cell skin carcinoma, adequately resected and in situ carcinoma of cervix, or a previous malignancy that was completely resected and has been in remission for ≥5 years. 7. Use of systemic anti-tumor therapy or investigational agent within 14 days or 5 half-lives, whichever is longer, of enrollment. 8. Primary immunodeficiency disorder or active autoimmune disease requiring steroids and/or other immunosuppressive therapy. 9. Women who are pregnant or breastfeeding.
Protocol
{'studyType': 'INTERVENTIONAL', 'phases': ['PHASE1', 'PHASE2'], 'designInfo': {'allocation': 'NA', 'interventionModel': 'SEQUENTIAL', 'primaryPurpose': 'TREATMENT', 'maskingInfo': {'masking': 'NONE'}}, 'enrollmentInfo': {'count': 120, 'type': 'ESTIMATED'}}
Updated at
2023-08-15

1 organization

1 product

8 indications

Product
CTX112
Indication
B-cell Lymphoma