A Study of JNJ-68284528 a Chimeric Antigen Receptor T Cell (CAR-T) Therapy Directed Against B-cell Maturation Antigen (BCMA) in Participants With Multiple Myeloma

  • STATUS
    Recruiting
  • End date
    May 9, 2025
  • participants needed
    160
  • sponsor
    Janssen Research & Development, LLC
Updated on 31 July 2021
monoclonal antibodies
measurable disease
cell transplantation
dexamethasone
lenalidomide
progressive disease
bortezomib
monoclonal protein
immunoglobulins
daratumumab
immunomodulatory imide drug
bcma
serum immunoglobulin a
kappa light chain

Summary

The purpose of this study is to evaluate the overall minimal residual disease (MRD) negative rate of participants who receive JNJ-68284528.

Description

Multiple myeloma is characterized by the production of monoclonal immunoglobulin (Ig) proteins or protein fragments (M proteins) that have lost their function. The main aim of the study is to determine the safety and efficacy of JNJ-68284528 in various clinical settings. JNJ-68284528 is an autologous chimeric antigen receptor T-cell (CAR-T) therapy that targets B-cell maturation antigen (BCMA). The study comprises of a Screening Phase (less than or equal to [<=] 28 days prior to apheresis) followed by Apheresis (will occur upon enrollment); a Treatment Phase including a conditioning regimen followed by infusion of JNJ-68284528 and post-infusion assessments from Day 1 to Day 100 (participants who receive an infusion of JNJ-68284528 should continue all subsequent assessments); and a Post-treatment Phase (Day 101 and up to the end of each study cohort). Safety evaluations will include a review of adverse events, laboratory test results, vital sign measurements, physical examination findings (including neurologic examination), assessment of cardiac function, immune effector cell-associated encephalopathy (ICE) score, handwriting assessment, and assessment of Eastern Cooperative Oncology Group (ECOG) performance status grade. Efficacy evaluations will include measurements of tumor burden/residual disease, myeloma proteins, bone marrow examinations, skeletal surveys, extramedullary plasmacytomas, and serum calcium corrected for albumin. For certain participants (those without measurable disease in serum or urine) efficacy will be assessed via imaging: positron emission tomography/ computed tomography (PET/CT) or whole body magnetic resonance imaging (MRI). The overall duration of the study is up to 2.5 years.

Details
Condition Multiple Myeloma, Lymphoproliferative Disorder, Lymphoproliferative disorders, multiple myeloma (mm)
Treatment Dexamethasone, Lenalidomide, Bortezomib, Daratumumab, JNJ-68284528
Clinical Study IdentifierNCT04133636
SponsorJanssen Research & Development, LLC
Last Modified on31 July 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Cohort A: Received a minimum of 1 to a maximum of 3 prior lines of therapy including a proteasome inhibitor (PI) and immunomodulatory therapy (IMiD), and lenalidomide refractory per International Myeloma Working Group (IMWG) guidelines
Cohort B: Received one line of prior therapy including a PI and an IMiD, and disease progression per IMWG criteria less than or equal to (<=) 12 months after treatment with autologous stem cell transplantation (ASCT) or <=12 months from the start of anti-myeloma therapy for participants who have not had an ASCT
Cohort C: Previously treated with a PI, an IMiD, an anti-CD38 monoclonal antibody and B-cell maturation antigen (BCMA)-directed therapy
Cohort D: Newly diagnosed multiple myeloma per IMWG with a history of 4 to 8 total cycles of initial therapy, including induction, high-dose therapy, and ASCT with or without consolidation
Cohort E: Have newly diagnosed multiple myeloma without prior therapy (one cycle of prior therapy before enrollment is acceptable) and classified as high risk defined as either: 1) International Staging System (ISS) stage III criteria, Beta 2 microglobulin greater than or equal to (>=) 5.5 milligram per liter (mg/L) (via local or central laboratory assessment) or 2) high risk cytogenetic features del(17/17p), t (14;16), t(14;20), 1q amplification (at least 4 copies)
Cohorts A, B, C, E
Serum monoclonal paraprotein (M-protein) level greater than or equal to (>=) 1.0 gram per deciliter (g/dL) or urine M-protein level >=200 milligram (mg)/24 hours
Light chain multiple myeloma in whom only measurable disease is by serum free light chain (FLC) levels in the serum: Serum immunoglobulin FLC >=10 mg/dL and abnormal serum immunoglobulin kappa lambda FLC ratio
Cohort A: For participants with neither serum nor urine measurable disease, baseline positron emission tomography/ computed tomography (PET/CT) or whole -body magnetic resonance imaging (MRI) may be used to satisfy the measurable disease criteria. A minimum of one lesion with a bi-dimensional measurement of at least 1 centimeter (cm)1 cm is required
Cohorts B, C: For participants with neither serum nor urine measurable disease, baseline positron emission tomography/ computed tomography (PET/CT) or whole body magnetic resonance imaging (MRI) may be used to satisfy the measurable disease criteria
Cohorts A, B, C, D, E, F: Eastern Cooperative Oncology Group (ECOG) performance status grade of 0 or 1
Cohort F: Participant must have a documented efficacy response of very good partial response (VGPR) or better, without progressive disease prior to enrollment, as assessed per IMWG 2016 criteria

Exclusion Criteria

Cohorts A, B, D, F: Any therapy that is targeted to BCMA
Cohorts A, B, C, D, F: Prior treatment with chimeric antigen receptor T (CAR-T) therapy directed at any target
Ongoing toxicity from previous anticancer therapy must resolve to baseline levels or to Grade 1 or less except for alopecia or peripheral neuropathy
Cohorts A, B, C, D, F
Serious underlying medical condition, such as (a) evidence of active viral or bacterial infection requiring systemic antimicrobial therapy, or uncontrolled systemic fungal infection; (b) active autoimmune disease or a history of autoimmune disease within 3 years; (c) overt clinical evidence of dementia or altered mental status; (d) any history of Parkinson's disease or other neurodegenerative disorder
Received a cumulative dose of corticosteroids equivalent to >=70 mg of prednisone within the 7 days (Cohort A, B, C, F) or 14 days (Cohort D) prior to apheresis
Cohorts A, B, C, D, E, F: Known active, or prior history of central nervous system (CNS) involvement or exhibits clinical signs of meningeal involvement of multiple myeloma
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