Clinical trial Recruiting at 14 sites Phase 1 Interventional Ages 18 and up

Intravenous ABBV-438 for relapsed/refractory multiple myeloma

Official title: A Phase 1, First-in-Human, Open Label Study Evaluating Safety, Tolerability, Pharmacokinetics and Preliminary Efficacy of ABBV-438 in Adult Subjects With Relapsed or Refractory Multiple Myeloma

Run by AbbVie · NCT07409246 · Data updated 2026-11-12

This will test IV ABBV-438 in adults with relapsed or refractory multiple myeloma to find a safe dose and see how the drug moves through the body.

Quick facts

PhasePhase 1
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment127 (estimated)
SponsorAbbVie
Industry-sponsored
Locations14 sites (Duarte, California and 13 other locations)
StatusRecruiting
StartedFebruary 27, 2026
Main results expectedNovember 2031
Study endsNovember 2031
Registry record updatedOctober 20, 2026
Trial IDNCT07409246 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults with relapsed or refractory multiple myeloma who have measurable disease and have received at least three prior lines of therapy including a proteasome inhibitor and an immunomodulatory agent are the intended participants.

Probably not a fit

Patients with earlier-stage disease, non-measurable myeloma, inadequate organ function, or who do not meet prior therapy exposure requirements are unlikely to benefit from joining this early-phase study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is a Phase 1, open-label study that gives intravenous ABBV-438 alone to adults with relapsed/refractory multiple myeloma. The study has a dose-escalation phase to identify a recommended dose followed by a dose-expansion phase to confirm that dose. Safety, tolerability, adverse events, and pharmacokinetics (how the drug moves through the body) are the main outcomes. About 127 participants will be enrolled across roughly 24 sites worldwide.

Why it matters

Potential benefit: If safe and active, ABBV-438 could become a new treatment option for people with relapsed or refractory multiple myeloma.

How similar studies have gone: Other targeted biologics and antibody-based therapies have shown activity in relapsed/refractory multiple myeloma, but ABBV-438 itself is investigational and its safety and effectiveness are unproven in humans.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Has relapsed or refractory Multiple Myeloma (MM) with documented evidence of progression during or after the participant's last treatment regimen based on the investigator's determination of the standard International Myeloma Working Group (IMWG) (2016) response criteria:

  * Relapsed defined as previously treated myeloma that progresses and requires initiation of salvage therapy;
  * Refractory defined as disease that is nonresponsive (failure to achieve minimal response) while on last therapy, or progresses within 60 days of last therapy.
* Has measurable disease at screening, defined by at least 1 of the following within 28 days prior to enrollment:

  * Serum M-protein \>= 0.5 g/dL (\>=5 g/L); OR;
  * Urine M-protein \>= 200 mg/24 hours; OR;
  * Involved serum free light chain (sFLC) \>= 10 mg/dL (100mg/L), provided serum FLC ratio is abnormal;
  * Must have had 3 or more prior lines of therapy with exposure to a proteasome inhibitor (PI), an immunomodulatory imide drugs (IMiD), and an anti-CD38 therapy and are intolerant to, or unable to access, available therapies that are known to confer clinical benefit to participants with relapsed or refractory (R/R) MM. Note: A line of therapy consists of relapsed or refractory 1 complete cycle of a single agent, a regimen consisting of a combination of several drugs, or a planned sequential therapy of various regimens.

Exclusion Criteria:

* Known history of Central Nervous System involvement by MM.
* History of idiopathic pulmonary fibrosis, organizing pneumonia (e.g., bronchiolitis obliterans), drug-induced pneumonitis, or idiopathic pneumonitis.

Where it's running

  • City of Hope National Medical Center /ID# 280273
    Duarte, California, United States
    Recruiting
  • City of Hope - Orange County Lennar Foundation Cancer Center /ID# 279067
    Irvine, California, United States
    Recruiting
  • Colorado Blood Cancer Institute /ID# 280275
    Denver, Colorado, United States
    Recruiting
  • Moffitt Cancer Center /ID# 279068
    Tampa, Florida, United States
    Recruiting
  • City Of Hope - Atlanta /ID# 280294
    Newnan, Georgia, United States
    Recruiting
  • University of Chicago Medical Center /ID# 278863
    Chicago, Illinois, United States
    Recruiting
Show 8 more locations
  • START Midwest /ID# 279035
    Grand Rapids, Michigan, United States
    Recruiting
  • Institute of Hematology and Blood Diseases Hospital /ID# 279208
    Tianjin, Tianjin Municipality, China
    Recruiting
  • The First Affiliated Hospital, Zhejiang University School of Medicine /ID# 279207
    Hangzhou, Zhejiang, China
    Recruiting
  • The Chaim Sheba Medical Center /ID# 279065
    Ramat Gan, Tel Aviv, Israel
    Recruiting
  • Tel Aviv Sourasky Medical Center /ID# 279066
    Tel Aviv, Tel Aviv, Israel
    Recruiting
  • Hadassah Medical Center-Hebrew University /ID# 278865
    Jerusalem, Israel
    Recruiting
  • Tokyo Metropolitan Komagome Hospital /ID# 279070
    Bunkyo Ku, Tokyo, Japan
    Recruiting
  • The Cancer Institute Hospital Of Japanese Foundation for Cancer Research /ID# 279069
    Koto-ku, Tokyo, Japan
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.