Safety and Efficacy of bb2121 (Ide-cel) Combinations in Multiple Myeloma

NCT ID: NCT04855136

Last Updated: 2025-09-11

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE1/PHASE2

Total Enrollment

21 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-06-01

Study Completion Date

2025-04-25

Brief Summary

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This is a global, open-label, multi-arm, multi-cohort, multi-center, phase 1/2 study to determine the safety, tolerability, efficacy, PK of bb2121 in combination with other therapies in adult subjects with R/RMM.

The following combinations will be

* Arm A will test bb2121 in combination with CC-220 (± low-dose dexamethasone)
* Arm B will test bb2121 in combination with BMS-986405 (JSMD194)

Combination agents being tested may be administered before, concurrently with and/or following (ie, maintenance) bb2121 infusion.

The study will consist of 2 parts: dose finding (Phase 1) and dose expansion (Phase 2). Dose expansion may occur in one or more arms.

Detailed Description

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Conditions

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Multiple Myeloma

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Arm A- bb2121 in combination with CC-220 (± low-dose dexamethasone)

bb2121 will be administered at a target dose of 450 x 10\^6 CAR+T cells. The combination agent will be administered at different doses and/ or schedules, depending on dose limiting toxicity (DLT) evaluation.

Group Type EXPERIMENTAL

BB2121

Intervention Type BIOLOGICAL

CAR T Cell Therapy

CC-220

Intervention Type DRUG

Cereblon (CRBN) E3 ligase modulatory compound (CELMoD)

Arm B- bb2121 in combination with BMS-986405 (JSMD194)

* bb2121 will be administered at a target dose of 450 x 10\^6 CAR+T cells. The combination agent will be administered during Month 1 starting from the day of bb2121 infusion
* Enrollment is closed for this Arm

Group Type EXPERIMENTAL

BB2121

Intervention Type BIOLOGICAL

CAR T Cell Therapy

BMS-986405

Intervention Type DRUG

gamma secretase inhibitor (GSI)

Interventions

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BB2121

CAR T Cell Therapy

Intervention Type BIOLOGICAL

CC-220

Cereblon (CRBN) E3 ligase modulatory compound (CELMoD)

Intervention Type DRUG

BMS-986405

gamma secretase inhibitor (GSI)

Intervention Type DRUG

Other Intervention Names

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ide-cel JSMD194

Eligibility Criteria

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Inclusion Criteria

Participants must satisfy the following criteria to be enrolled in the study:

* Participant has documented diagnosis of MM and measurable disease, defined as:

1. M-protein (serum protein electrophoresis \[sPEP ≥ 0.5 g/dL\] or urine protein electrophoresis \[uPEP\]): uPEP ≥ 200 mg/24 hours and/or
2. Light chain MM without measurable disease in the serum or urine: Serum immunoglobulin free light chain ≥ 10 mg/dL (100 mg/L) and abnormal serum immunoglobulin kappa lambda free light chain ratio
* Participant has received:

1. at least 3 prior MM regimens for Arm A Cohort 1 and Arm B
2. at least 1 but no greater than 3 prior MM regimens for Arm A Cohort 2
* Arm A Cohort 1 and Arm B: Participant has received prior treatment with an immunomodulatory agent, a proteasome inhibitor and an anti-CD38 antibody-containing regimen for at least 2 consecutive cycles.
* Arm A Cohort 2: Participant has received prior treatment with an immunomodulatory agent for at least 2 consecutive cycles.
* Evidence of PD during or within 6 months (measured from the last dose of any drug within the regimen) of completing treatment with the last antimyeloma regimen before study entry.
* Participant achieved a response (minimal response \[MR\] or better) to at least 1 prior treatment regimen.
* Participant has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.

Exclusion Criteria

The presence of any of the following will exclude a participant from enrollment:

* Participant has non-secretory MM or has history of or active plasma cell leukemia, Waldenstrom's macroglobulinemia, POEMS syndrome (polyneuropathy, organomegaly, endocrinopathy, monoclonal protein, and skin changes) or amyloidosis.
* Participant has any of the following laboratory abnormalities:

1. ANC and Platelets count as reported below
2. Hemoglobin \< 8 g/dL (\< 4.9 mmol/L) (transfusion is not permitted within 21 days of screening)
3. Creatinine clearance (CrCl) as reported below
4. Corrected serum calcium \> 13.5 mg/dL (\> 3.4 mmol/L)
5. Serum aspartate aminotransferase (AST) or alanine aminotransferase (ALT) \> 2.5 ×upper limit of normal (ULN)
6. Serum total bilirubin \> 1.5 × ULN or \> 3.0 mg/dL for participants with documented Gilbert's syndrome
7. International normalized ratio (INR) or activated partial thromboplastin time (aPTT) 1.5 × ULN, or history of Grade ≥ 2 hemorrhage within 30 days, or participant requires ongoing treatment with chronic, therapeutic dosing of anticoagulants (eg, warfarin, low molecular weight heparin, Factor Xa inhibitors)
* Participant has inadequate pulmonary function defined as oxygen saturation (SaO2) \< 92% on room air.
* Participant has known chronic obstructive pulmonary disease (COPD) with a forced expiratory volume in 1 second (FEV1) 50% of predicted normal.
* Prior exposure to CC-220 (± low-dose dexamethasone) as part of their most recent antimyeloma treatment regimen (Arm A).
* Prior exposure to BMS-986405 (JSMD194) (Arm B).
* Previous history of an allogeneic hematopoietic stem cell transplantation, treatment with any gene therapy-based therapeutic for cancer, investigational cellular therapy for cancer or BCMA targeted therapy.
* Treatment Arm A Cohort 1 and Arm B: participant has received autologous stem cell transplantation (ASCT) within 12 weeks prior to leukapheresis.
* Treatment Arm A Cohort 2: participant has received autologous stem cell transplantation (ASCT) within 12 months prior to leukapheresis.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Celgene

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Bristol-Myers Squibb

Role: STUDY_DIRECTOR

Bristol-Myers Squibb

Locations

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Local Institution - 117

Birmingham, Alabama, United States

Site Status

Local Institution - 113

San Francisco, California, United States

Site Status

Local Institution - 101

Jacksonville, Florida, United States

Site Status

Local Institution - 104

Atlanta, Georgia, United States

Site Status

Local Institution - 120

Atlanta, Georgia, United States

Site Status

Local Institution - 114

Chicago, Illinois, United States

Site Status

Local Institution - 108

Boston, Massachusetts, United States

Site Status

Local Institution - 124

Boston, Massachusetts, United States

Site Status

Local Institution - 109

Hackensack, New Jersey, United States

Site Status

New York University Langone

New York, New York, United States

Site Status

Local Institution - 110

New York, New York, United States

Site Status

Local Institution - 111

Charlotte, North Carolina, United States

Site Status

Local Institution - 118

Philadelphia, Pennsylvania, United States

Site Status

Local Institution - 103

Nashville, Tennessee, United States

Site Status

Local Institution - 107

Houston, Texas, United States

Site Status

Local Institution - 201

Pamplona, , Spain

Site Status

Local Institution - 202

Salamanca, , Spain

Site Status

Countries

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United States Spain

Related Links

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Other Identifiers

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2020-003248-10

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

BB2121-MM-007

Identifier Type: -

Identifier Source: org_study_id

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