A Phase 2, Multicohort Open-Label Study of JNJ-68284528, a Chimeric Antigen Receptor T cell (CAR-T) Therapy Directed Against BCMA in Subjects with Multiple Myeloma (CARTITUDE-2)
Summary
The purpose of this study is to evaluate the overall minimal residual disease (MRD) negative rate of participants who receive JNJ-68284528.
Objective
Primary:
-To evaluate the overall minimal residual disease (MRD) negative rate of subjects who receive JNJ-68284528
Secondary:
-To evaluate the efficacy of JNJ-68284528
-To further characterize MRD negativity
-To characterize the safety of JNJ-68284528
-To characterize the pharmacokinetics an pharmacodynamics of JNJ-68284528
-To assess the immunogenicity of JNJ-68284528
Exploratory
-To further characterize the efficacy of JNJ-68284528
-To explore changes in patient-reported outcomes (PRO) after treatment with JNJ-68284528
-To assess symptomatic adverse events from the patient perspective via patient reported outcomes of the Common Terminology Criteria for Adverse Events (PRO-CTCAE)
-To characterize the impact of JNJ-68284528 CAR-T process on medical resource utilization
-To characterize potential early clinical, translational, and imaging markers for neurotoxicity (predictive markers)
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 (> 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
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
Cohorts A, B, C, D, F:
Ongoing toxicity from previous anticancer therapy must resolve to baseline levels or to Grade 1 or less except for alopecia or peripheral neuropathy
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
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
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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