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NCT05650632RecruitingPhase 1

A Study to Assess Adverse Events of Intravenously (IV) Infused Etentamig (ABBV-383) in Adult Participants With Relapsed or Refractory Multiple Myeloma

A Multicenter, Phase 1b, Open-label Study to Evaluate Dose Optimization Measures and Safety of Etentamig (ABBV-383) in Subjects With Relapsed or Refractory Multiple Myeloma

Source: ClinicalTrials.gov · Last updated 13 Jul 2026

Brief summary (registry, in English)

Multiple Myeloma (MM) is a cancer of the blood's plasma cells ( blood cell). The cancer is typically found in the bones and bone marrow (the spongy tissue inside of the bones) and can cause bone pain, fractures, infections, weaker bones, and kidney failure. Treatments are available, but MM can come back (relapsed) or may not get better (refractory) with treatment. This is a study to determine adverse events and change in disease symptoms of etentamig (ABBV-383) in adult participants with relapsed/refractory (R/R) MM. Etentamig (ABBV-383) is an investigational drug being developed for the treatment of R/R Multiple Myeloma (MM). This study is broken into 4 Arms; Arm A (Parts 1 and 2), Arm B and Arms C \& D. Arm A includes 2 parts: step-up dose optimization (Part 1) and dose expansion (Part 2). In Part 1, different level of step-up doses are tested followed by the target dose of etentamig (ABBV-383). In Part 2, the step-up dose identified in Part 1 (Dose A) will be used followed by the target dose A of etentamig (ABBV-383). In Arm B a flat dose of etentamig (ABBV-383) will be tested. In Arms C \& D, the step-up dose identified in Arm A will be used followed by the target dose of etentamig (ABBV-383) to investigate outpatient administration of etentamig (ABBV-383). Around 210 adult participants with relapsed/refractory multiple myeloma will be enrolled at approximately 50 sites across the world. Participants will receive etentamig (ABBV-383) as an infusion into the vein in 28 day cycles for approximately 3 years. 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 a hospital or clinic. The effect of the treatment will be checked by medical assessments, blood tests, checking for side effects and questionnaires.

Status (registry)
Recruiting
Phase (registry)
Phase 1
Study type
Interventional
Enrollment
210 (estimated)
First submitted
6 Dec 2022
Start date
21 Mar 2023
Primary completion date
Aug 2029
Lead sponsor
AbbVie
NCT number
NCT05650632
EU CT number
2023-504674-38-00

What you commit to

  • Study type: Interventional · Phase 1
  • Planned participants: 210
  • From 21 Mar 2023 to the primary completion date, Aug 2029
  • 46 sites in 7 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Arm A: Received BCMA-targeted therapy.

Other illness

  • Arm C and Arm D: Rapidly progressing disease per investigator.

Who the study is looking for

  • Must have measurable disease as outlined in the protocol.
  • Eastern Cooperative Oncology Group (ECOG) performance of \<= 2. Arm C and Arm D: ECOG performance of \<= 1.
  • Relapsed/refractory (R/R) 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 International Myeloma Working Group (IMWG) 2016 criteria.
  • Must be naïve to treatment with etentamig (ABBV-383).
  • Arm A: Must have received at least 3 or more lines of therapy, including a proteasome inhibitor (PI), an immunomodulatory imide drug (IMiD), and an anti-CD38 monoclonal antibody.
  • Arm B: Must have received at least 2 or more lines of therapy, including exposure to a PI, an IMiD, an anti-CD38 monoclonal antibody, and a prior B-cell maturation antigen (BCMA)-targeted therapy (must be an anti-drug conjugate \[ADC\] or chimeric antigen receptor T-cell \[CAR-T\] directed against BCMA).
  • Arm C: Must have received at least 2 or more lines of therapy, including exposure to a PI, an IMiD, and an anti-CD38 monoclonal antibody. Must be suitable for outpatient administration of etentamig (ABBV-383).
  • Arm D: Must have received at least 1 and no more than 3 prior lines of therapy, including exposure to a PI, an IMiD, or an anti-CD38 monoclonal antibody. Must be suitable for outpatient administration of etentamig (ABBV-383).

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (46)

Sites in registry order. Save your city in your profile to sort them by distance.

SiteCityCountrySite status
Juravinski Cancer Centre /ID# 252053
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HamiltonCanadaRecruiting
Ottawa Hospital Research Institute /ID# 252151
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OttawaCanadaCompleted
Odense University Hospital
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Odense CDenmarkActive, not recruiting
Lillebaelt Hospital
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VejleDenmarkActive, not recruiting
Hospital Universitario De Salamanca
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SalamancaSpainActive, not recruiting
Hospital Universitario Marqués de Valdecilla
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SantanderSpainActive, not recruiting
Assistance Publique Hopitaux De Paris
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Creteil CedexFranceActive, not recruiting
Institut Paoli-Calmettes
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MarseilleFranceActive, not recruiting
Centre Hospitalier Universitaire de Nantes
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NantesFranceActive, not recruiting
Assistance Publique Hopitaux de Paris
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ParisFranceActive, not recruiting
Centre Hospitalier Lyon-Sud
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Pierre-BéniteFranceActive, not recruiting
Centre Hospitalier Universitaire de Poitiers
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PoitiersFranceActive, not recruiting
Institut Universitaire Du Cancer Toulouse-Oncopole
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Toulouse Cedex 9FranceActive, not recruiting
University College London Hospital /ID# 251357
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LondonUnited KingdomRecruiting
The Christie Hospital /ID# 251774
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ManchesterUnited KingdomRecruiting
Hadassah Medical Center-Hebrew University /ID# 252079
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JerusalemIsraelRecruiting
Rabin Medical Center. /ID# 251330
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Petah TikvaIsraelRecruiting
The Chaim Sheba Medical Center /ID# 251329
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Ramat GanIsraelRecruiting
Tel Aviv Sourasky Medical Center /ID# 251573
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Tel AvivIsraelRecruiting
Rocky Mountain Cancer Centers - Aurora /ID# 268574
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AuroraUnited StatesRecruiting
Texas Oncology - Central/South Texas /ID# 268563
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AustinUnited StatesRecruiting
University of North Carolina /ID# 251203
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Chapel HillUnited StatesRecruiting
University Of Cincinnati Medical Center /ID# 251746
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CincinnatiUnited StatesRecruiting
Texas Oncology - Dallas - Worth Street /ID# 280064
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DallasUnited StatesRecruiting
Willamette Valley Cancer Institute and Research Center /ID# 267088
Coordinator of this site? Confirm its status
EugeneUnited StatesRecruiting
Virginia Cancer Specialists - Fairfax /ID# 268559
Coordinator of this site? Confirm its status
FairfaxUnited StatesRecruiting
Fort Wayne Medical Oncology And Hematology /ID# 268179
Coordinator of this site? Confirm its status
Fort WayneUnited StatesRecruiting
Hope And Healing Cancer Services /ID# 268536
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HinsdaleUnited StatesRecruiting
Oncology Consultants /ID# 268323
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HoustonUnited StatesRecruiting
Franciscan St. Francis Health /ID# 280928
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IndianapolisUnited StatesRecruiting
NHO Revive Research Institute, LLC /ID# 267869
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LincolnUnited StatesRecruiting
Baptist Memorial Hospital /ID# 280677
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MemphisUnited StatesNot yet recruiting
Vanderbilt Ingram Cancer Center /ID# 252470
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NashvilleUnited StatesRecruiting
Medical Oncology Hematology Consultants /ID# 268560
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NewarkUnited StatesRecruiting
Tulane University School of Medicine /ID# 251204
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New OrleansUnited StatesRecruiting
Memorial Sloan Kettering Cancer Center-Koch Center /ID# 251167
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New YorkUnited StatesRecruiting
Mt Sinai /ID# 251166
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New YorkUnited StatesRecruiting
Nebraska Cancer Specialists - Omaha - Wright Street /ID# 282497
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OmahaUnited StatesRecruiting
Mayo Clinic Arizona /ID# 251405
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PhoenixUnited StatesRecruiting
Mayo Clinic - Rochester /ID# 251164
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RochesterUnited StatesRecruiting
Fred Hutchinson Cancer Center. /ID# 267940
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SeattleUnited StatesRecruiting
Maryland Oncology Hematology - Silver Spring /ID# 268562
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Silver SpringUnited StatesNot yet recruiting
Highlands Oncology Group - Springdale /ID# 267742
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SpringdaleUnited StatesRecruiting
Northwest Medical Specialties Tacoma /ID# 267117
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TacomaUnited StatesRecruiting
Texas Oncology - Northeast Texas /ID# 268877
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TylerUnited StatesRecruiting
Atrium Health Wake Forest Baptist Medical Center /ID# 251165
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Winston-SalemUnited StatesRecruiting

This page is information, not medical advice. Discuss any trial with your doctor.