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P-BCMA-ALLO1 CAR-T cells

Phase 1

Multiple Myeloma | CAR-T | Oncology |Roche Holding AG|Trials Updated: Apr 24, 2026

P-BCMA-ALLO1 CAR-T cells development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Jul 2021

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDDMC
Total Trials1
Total Enrollment275

FDA Designations

No designations recorded

P-BCMA-ALLO1 CAR-T cells clinical trials

P-BCMA-ALLO1 CAR-T cells · 1 trial · 1 indication

Phase 1 1
NCT04960579P-BCMA-ALLO1 Allogeneic CAR-T Cells in the Treatment of Subjects With Multiple MyelomaMultiple Myeloma
ACTIVE NOT_RECRUITING275 Analytics
PHASE1ACTIVE NOT_RECRUITING
P-BCMA-ALLO1 Allogeneic CAR-T Cells in the Treatment of Subjects With Multiple Myeloma
Multiple MyelomaUnlock trial analytics

Study Endpoints

Primary Endpoints

Phase 1 Part 1: Assess the safety and maximum tolerated dose (MTD) of P-BCMA-ALLO1 based on dose limiting toxicities (DLT)
Baseline through Day 28

Rate of dose limiting toxicities (DLT)

Phase 1 Part 2: Assess the safety and tolerability of P-BCMA-ALLO1 when administered as a fixed dose of cells.
Baseline through 36 months

Frequency and severity of adverse events, including cytokine release syndrome.

Phase 1b: The effect of cell dose and study arm
Baseline through 36 months

Overall response rate (ORR) based on International Myeloma Working Group (IMWG) uniform response criteria

Secondary Endpoints

The safety of P-BCMA-ALLO1
Baseline through 15 years
The anti-myeloma effect of P-BCMA-ALLO1 (ORR) in Phase 1 Parts 1 and 2
Baseline through 15 years
Safety and Efficacy (anti-myeloma effect) will be used to guide the selection of RP2D
Baseline through 15 years
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
P-BCMA-ALLO1 CAR-T cells (Arm S)EXPERIMENTALSingle weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen S. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm F)EXPERIMENTALSingle weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen F. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm N)EXPERIMENTALSingle weight-based IV administration of P-BCMA-ALLO1. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm P1)EXPERIMENTALSingle weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen P1. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm P2)EXPERIMENTALSingle weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen P2. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm R)EXPERIMENTALSingle weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen R. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm RS)EXPERIMENTALSingle weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen RS. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm C)EXPERIMENTALCyclic weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen C. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm160)EXPERIMENTALSingle fixed dose IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen S, P1, P1.5 or P2. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm480)EXPERIMENTALSingle fixed dose IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen S, P1, P1.5 or P2. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm P1.5)EXPERIMENTALSingle weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen P1.5. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm RP1)EXPERIMENTALSingle weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen RP1. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm RP1.5)EXPERIMENTALSingle weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen RP1.5. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm RP2)EXPERIMENTALSingle weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen RP2. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm CP1)EXPERIMENTALCyclic weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen CP1. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm CP1.5)EXPERIMENTALCyclic weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen CP1.5. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm CP2)EXPERIMENTALCyclic weight-based IV administration of P-BCMA-ALLO1 following conditioning chemotherapy regimen CP2. Rimiducid may be administered as indicated.
P-BCMA-ALLO1 CAR-T cells (Arm MP1.5)EXPERIMENTALSingle weight based IV administration of P-BCMA-ALLO1 and methotrexate following conditioning chemotherapy regimen MP1.5 Rimiducid may be administered as indicated

Interventions

NameTypeDescription
P-BCMA-ALLO1 CAR-T cellsBIOLOGICALAllogeneic BCMA-targeted chimeric antigen receptor (CAR) T-cell therapy
RimiducidDRUGSafety switch activator
MethotrexateDRUGAnti-metabolite
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites23

Inclusion Criteria: 1. Must have signed written, informed consent. 2. Males or females, ≥18 years of age. 3. Must have a confirmed diagnosis of active MM. 4. Must have measurable MM. 5. Must have relapsed / refractory MM, having received treatment with a proteasome inhibitor, immunomodulatory agent...

Countries:United States
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