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RecruitingLast updated: 15 January 2026

CRSP-ONC-006: CAR T-cell immunotherapy for the treatment of relapsed or refractory B-cell blood cancersA 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

Trial purpose

Medical clipboardCancer treatment

Tumor type

Blood Cancers Haematological

Age

People18+

Trial acronym

CRSP-ONC-006

Clinical summary

Summary

This is a study of an immunotherapy treatment called CTX112 in people with relapsed or refractory B-cell cancers.

CTX112 is type of immunotherapy that uses donor immune cells (T-cells). The T-cells are genetically modified in a lab so that they can target and destroy cancer cells that have a CD19 protein on them.

Eligible participants will receive an lymphodepleting chemotherapy, followed by an intravenous (IV) infusion of CTX112.

Eligibility

Inclusion

  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.

Exclusion

  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 in the last 3 years (with the exception of non-melanoma skin cancer and other cancers deemed by the investigator and medical monitor to be of low likelihood for recurrence).
  7. Concurrent systemic treatment with an anticancer biologic (e.g., monoclonal antibody) within 30 days prior to CTX112 infusion or with a nonbiological anticancer drug within 14 days prior to CTX112 infusion.
  8. Primary immunodeficiency disorder or active autoimmune disease requiring steroids and/or other immunosuppressive therapy.
  9. Women who are pregnant or breastfeeding.

Inclusion

  • Your cancer has spread to other parts of the body (metastatic) or has grown into nearby parts of the body (locally advanced).
  • You have had treatment but your cancer has gotten worse or has not responded to the treatment you have been given.

Exclusion

  • You have been diagnosed with a prior or secondary type of cancer.
  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
Message

Clinical trials have complex eligibility criteria, and other criteria may apply for this trial. Ask your doctor about whether this trial could be right for you.

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Recruiting hospitals

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More information

Trial Identifiers

Information on this page is partially produced from ClinicalTrials.gov *. View further details about this trial on the registry via the links below:

Trial sponsor

CRISPR Therapeutics AG

Scientific Title

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

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