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A First-in-Human Study of ABBV-525 (MALT1 Inhibitor) in B-Cell Malignancies


Description

B-cell malignancies are a group of cancers of B lymphocytes, a type of white blood cell responsible for fighting infections. The purpose of this study is to assess safety, tolerability, pharmacokinetics and preliminary efficacy of ABBV-525 as a monotherapy. ABBV-525 is an investigational drug being developed for the treatment of B-Cell Malignancies. Study doctors put the participants in groups called treatment arms. Participants will receive ABBV-525 at different doses. Approximately 100 adult participants will be enrolled in the study across sites worldwide. In part 1 (dose escalation), participants will receive escalating oral doses of ABBV-525. In part 2 (dose optimization), participants will receive one of two oral doses of ABBV-525, until the recommended phase 2 dose (RP2D) is determined. In part 3 (dose expansion), participants will receive the RP2D oral dose of ABBV-525. The estimated duration of the study is up to 64 months. There may be higher treatment burden for participa

Trial Eligibility

Inclusion Criteria: * Dose Escalation (Part 1) Only: Participants with a documented diagnosis of one of the following third line or later of treatment (3L)+ mature B-cell malignancies, from the World Health Organization (WHO)-defined histologies as defined in the protocol. * Dose Optimization (Part 2) Only: Participants with documented diagnosis of chronic lymphocytic leukemia (CLL) who are 3L+, +/- cysteine-to-serine point mutation at residue 481 of BTK-domain active site (C481S with histology based on WHO criteria, with measurable disease requiring treatment as defined by the International Workshop on Chronic Lymphocytic Leukemia (iwCLL). * Dose Expansion (Part 3) Only: Participants with documented diagnosis of non-germinal center B cell (GCB) Diffuse large B-cell lymphoma (DLBCL) who are 3L+ chimeric antigen receptor T-cells (CAR-T)/Hematopoietic cell transplant (HCT) relapsed/refractory (R/R) and/or ineligible with histology based on WHO criteria, with measurable disease requiring treatment. * Participant has an Eastern Cooperative Oncology Group (ECOG) Performance Status (PS) of 0 or 1. * Participant has a life expectancy \>= 12 weeks. * Adequate hematological and hepatic function as defined in the protocol. * Must have archival or freshly collected tumor tissue for correlative studies before study enrollment. * Participants with prior central nervous system (CNS) disease that has been effectively treated may be eligible. * Participants with resolved coronavirus disease 2019 (COVID-19) infection are eligible. Exclusion Criteria: * Known active CNS disease, or primary CNS lymphoma. * Known bleeding disorders. * Known history of stroke or intracranial hemorrhage within 12 months prior to first dose of study treatment. * Uncontrolled active systemic infection, or active cytomegalovirus infection. * Active hepatitis B or C infection. * Known history of human immunodeficiency virus (HIV). * Known active COVID-19 infection. Participant must not have signs/symptoms associated with COVID-19 infection or known exposure to a confirmed case of COVID-19 infection during screening. If participant has signs/symptoms suggestive of COVID-19 infection, the participant must have a negative molecular (eg, polymerase chain reaction) test or 3 negative antigen test results at least 24 hours apart.

Study Info

Organization

AbbVie


Primary Outcome

Number of Participants With Adverse Events (AE)


Outcome Timeframe Up to Approximately 64 Months

NCTID NCT05618028

Phases PHASE1

Primary Purpose TREATMENT

Start Date 2023-04-04

Completion Date 2027-06-27

Enrollment Target 100

Interventions

DRUG ABBV-525

Locations Recruiting

University of California Los Angeles /ID# 246357

United States, California, Los Angeles


Yale University School of Medicine /ID# 259081

United States, Connecticut, New Haven


Mount Sinai Medical Center-Miami Beach /ID# 248251

United States, Florida, Miami Beach


Fort Wayne Medical Oncology and Hematology, Inc /ID# 250113

United States, Indiana, Fort Wayne


Indiana University Melvin and Bren Simon Comprehensive Cancer Center /ID# 259872

United States, Indiana, Indianapolis


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