NCT05512390 · AbbVie
A Study to Assess the Adverse Events, Change in Disease Activity, and How Intravenously Infused ABBV-319 Moves Through the Bodies of Adult Participants With Relapsed or Refractory (R/R) Diffuse Large B-cell Lymphoma (DLBCL), Follicular Lymphoma (FL), or Chronic Lymphocytic Leukemia (CLL)
What this study is about
B-cell Lymphoma is an aggressive and rare cancer of a type of immune cells (a white blood cell responsible for fighting infections). Follicular Lymphoma is a slow-growing type of non-Hodgkin lymphoma. Chronic lymphocytic leukemia (CLL) is the most common leukemia (cancer of blood cells).
View original scientific description
B-cell Lymphoma is an aggressive and rare cancer of a type of immune cells (a white blood cell responsible for fighting infections). Follicular Lymphoma is a slow-growing type of non-Hodgkin lymphoma. Chronic lymphocytic leukemia (CLL) is the most common leukemia (cancer of blood cells). The purpose of this study is to assess the safety, tolerability, pharmacokinetics, and preliminary efficacy of ABBV-319 in adult participants in relapsed or refractory (R/R) diffuse large b-cell lymphoma (DLBCL), R/R follicular lymphoma (FL), or R/R CLL. Adverse events will be assessed. ABBV-319 is an investigational drug being developed for the treatment of R/R DLBCL, R/R FL, or R/R CLL. This study will include a dose escalation phase to determine the doses of ABBV-319 that will be used in the next phase and a dose expansion phase to determine the change in disease activity in participants with R/R DLBCL, R/R FL, and R/R CLL. Approximately 154 adult participants with R/R B cell lymphomas including R/R DLBCL, R/R FL, and R/R CLL will be enrolled in the study in sites world wide. In the Dose Escalation phase of the study participants will receive escalating intravenously infused doses of ABBV-319 in 21-day cycles, until the Phase 2 dose is determined. In the dose expansion phase of the study participants receive intravenously infused ABBV-319 in 21-day cycles. There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the study at an approved institution (hospital or clinic). The effect of the treatment will be frequently checked by medical assessments, blood tests, questionnaires and side effects.
Who can participate
This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.
Inclusion criteria
- For dose escalation (Part 1) only: Participants with documented diagnosis of B-cell malignancies including those with histology based on criteria established by the World Health Organization (WHO), and measurable disease requiring treatment, as per the protocol.
- For the relapsed or refractory diffuse large b-cell lymphoma (DLBCL), follicular lymphoma (FL), and Chronic lymphocytic leukemia (CLL) dose expansion cohorts (Part 2) only: Participants with documented diagnosis of one of the B-cell malignancies noted in the protocol with histology based on criteria established by the WHO, and measurable disease requiring treatment, as per the protocol.
- Laboratory values meeting the criteria noted in the protocol.
- For participants previously treated with a CD19-targeting therapy (eg, CD19 monoclonal antibody) a core or excision tumor biopsy subsequent to the most recent CD19-targeting therapy must be collected.
- Participant must have measurable disease, as defined by the 2014 Lugano Classification.
Exclusion criteria
- Known active central nervous system (CNS) disease, or primary CNS lymphoma.
- Known active infection or clinically significant uncontrolled conditions as per the protocol.
- Eastern Cooperative Oncology Group (ECOG) performance status \>= 2.
Where
- Tucson, Arizona
- Miami, Florida
- Minneapolis, Minnesota
- Omaha, Nebraska
- New York, New York
- Charlotte, North Carolina
- Dallas, Texas
- San Antonio, Texas
Frequently asked questions
What is a clinical trial?
A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.
Is it safe to participate?
Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.
Will I be compensated?
Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.
Will I receive a placebo instead of treatment?
When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.
Can I leave a trial if I change my mind?
Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.
How long does a clinical trial last?
Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.
Data: ClinicalTrials.gov · synced Jan 16, 2026 · Source of record for eligibility and locations