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CRISPR-Edited Allogeneic Anti-BCMA CAR-T Cell Therapy in Patients With Relapsed/Refractory Multiple Myeloma

A Phase 1, Multicenter, Open-Label Study of CB-011, a CRISPR-Edited Allogeneic Anti-BCMA CAR-T Cell Therapy in Patients With Relapsed/Refractory Multiple Myeloma (CaMMouflage Trial)

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05722418
Acronym
CaMMouflage
Enrollment
50
Registered
2023-02-10
Start date
2023-02-06
Completion date
2027-12-31
Last updated
2025-09-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Relapsed/Refractory Multiple Myeloma

Keywords

CaMMouflage, Allogeneic, Multiple Myeloma, Relapse Refractory Multiple Myeloma, CAR-T Cells, BCMA, Cell Therapy, Cellular Immuno-therapy, CB11A, CB-011, CB-011A, CAR-T, Anti BCMA, ALLO CAR T

Brief summary

This is a Phase 1 study to evaluate the safety of CB-011 (the study treatment), an allogeneic chimeric antigen receptor (CAR-T) cell therapy that targets the B cell maturation antigen (BCMA), to determine the best dose of CB-011, and to assess the effectiveness of CB-011 in treating multiple myeloma that has come back (relapsed) or that is no longer responding to other treatment (refractory).

Interventions

BIOLOGICALCB-011

CB-011 allogeneic CAR T cell therapy targeting BCMA Cyclophosphamide Chemotherapy for lymphodepletion Fludarabine Chemotherapy for lymphodepletion

Sponsors

Caribou Biosciences, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Documented diagnosis of relapsed/refractory multiple myeloma (MM) with measurable disease (according to IMWG diagnostic criteria.) 2. Received at least 3 prior MM treatment lines of therapy which must include a proteasome inhibitor (PI), an immunomodulatory drug (IMiD), and an anti-CD38 monoclonal antibody as part of a prior line of therapy, either in monotherapy or in combination. 3. Eastern Cooperative Oncology Group performance status grade of 0 or 1. 4. Adequate hematologic, renal, hepatic, pulmonary, and cardiac function.

Exclusion criteria

1. Prior treatment with CAR-T cell therapy directed at any target. 2. Autologous stem cell transplant within the last 6 weeks before lymphodepletion. 3. Allogeneic stem cell transplant within 6 months before lymphodepletion. 4. Known active or prior history of CNS involvement. 5. Stroke or seizure within 6 months of signing ICF. 6. Seropositive for or history of human immunodeficiency virus. 7. Vaccinated with live, attenuated vaccine within 4 weeks prior to lymphodepletion. 8. Hepatitis B infection. 9. Hepatitis C infection. 10. Known life-threatening allergies, hypersensitivity, or intolerance to CB-011 or its excipients.

Design outcomes

Primary

MeasureTime frameDescription
(Part A) Number of patients with dose limiting toxicities (DLT)28 daysNumber of patients with DLTs during the 28 days following the first administration of CB-011.
(Part B) Overall Response Rate (ORR)12 MonthsThe ORR will be evaluated by International Myeloma Working Group (IMWG) criteria.

Countries

United States

Contacts

Primary ContactCaribou Biosciences
clinicaltrials@cariboubio.com510-982-6030

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 9, 2026