New hope for Tough-to-Treat blood cancer: experimental drug enters human testing
NCT ID NCT05650632
First seen Jun 27, 2026 · Last updated Jul 14, 2026 · Updated 4 times
Summary
This study tests an experimental drug called etentamig (ABBV-383) in about 210 adults whose multiple myeloma has come back or stopped responding to other treatments. The main goals are to find the best dose and check for side effects. Participants receive the drug as an infusion every 28 days for up to 3 years, with regular monitoring at the clinic.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 210 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2023
- Expected to finish
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Aug 2029
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * 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). Exclusion Criteria: * Arm A: Received BCMA-targeted therapy. * Arm C and Arm D: Rapidly progressing disease per investigator.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
41 sites in 7 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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AP-HP - Hopital Saint-Antoine /ID# 252326
COMPLETEDParis, 75012, France
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Atrium Health Wake Forest Baptist Medical Center /ID# 251165
RECRUITINGWinston-Salem, North Carolina, 27157, United States
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Baptist Memorial Hospital /ID# 280677
NOT_YET_RECRUITINGMemphis, Tennessee, 38120, United States
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CHU Poitiers - La miletrie /ID# 251219
RECRUITINGPoitiers, Vienne, 86000, France
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Centre Hospitalier Universitaire de Nantes, Hotel Dieu -HME /ID# 251196
RECRUITINGNantes, Pays de la Loire Region, 44000, France
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Fort Wayne Medical Oncology And Hematology /ID# 268179
RECRUITINGFort Wayne, Indiana, 46804, United States
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Franciscan St. Francis Health /ID# 280928
RECRUITINGIndianapolis, Indiana, 46237, United States
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Fred Hutchinson Cancer Center. /ID# 267940
RECRUITINGSeattle, Washington, 98109-4405, United States
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HCL - Hopital Lyon Sud /ID# 251223
RECRUITINGPierre-Bénite, Rhone, 69495, France
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Hadassah Medical Center-Hebrew University /ID# 252079
RECRUITINGJerusalem, Jerusalem, 91120, Israel
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Highlands Oncology Group - Springdale /ID# 267742
RECRUITINGSpringdale, Arkansas, 72762, United States
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Hope And Healing Cancer Services /ID# 268536
RECRUITINGHinsdale, Illinois, 60521, United States
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Hopitaux Universitaires Henri Mondor - Hopital Henri Mondor /ID# 252101
COMPLETEDCréteil, Paris, 94010, France
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Hospital Universitario Marques de Valdecilla /ID# 251528
RECRUITINGSantander, Cantabria, 39008, Spain
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Hospital Universitario Puerta de Hierro - Majadahonda /ID# 251545
COMPLETEDMajadahonda, Madrid, 28222, Spain
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Hospital Universitario de Salamanca /ID# 251529
RECRUITINGSalamanca, 37711, Spain
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Institut Paoli-Calmettes /ID# 252100
COMPLETEDMarseille, Bouches-du-Rhone, 13009, France
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Juravinski Cancer Centre /ID# 252053
RECRUITINGHamilton, Ontario, L8V 1C3, Canada
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Maryland Oncology Hematology - Silver Spring /ID# 268562
NOT_YET_RECRUITINGSilver Spring, Maryland, 20904, United States
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Mayo Clinic - Rochester /ID# 251164
RECRUITINGRochester, Minnesota, 55905-0001, United States
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Mayo Clinic Arizona /ID# 251405
RECRUITINGPhoenix, Arizona, 85054, United States
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Medical Oncology Hematology Consultants /ID# 268560
RECRUITINGNewark, Delaware, 19713, United States
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Memorial Sloan Kettering Cancer Center-Koch Center /ID# 251167
RECRUITINGNew York, New York, 10065-6007, United States
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Mt Sinai /ID# 251166
RECRUITINGNew York, New York, 10029-6542, United States
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NHO Revive Research Institute, LLC /ID# 267869
RECRUITINGLincoln, Nebraska, 68506, United States
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Nebraska Cancer Specialists - Omaha - Wright Street /ID# 282497
RECRUITINGOmaha, Nebraska, 68130, United States
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Northwest Medical Specialties Tacoma /ID# 267117
RECRUITINGTacoma, Washington, 98405, United States
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Odense University Hospital /ID# 251261
RECRUITINGOdense, Region Syddanmark, 5000, Denmark
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Oncology Consultants /ID# 268323
RECRUITINGHouston, Texas, 77030, United States
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Ottawa Hospital Research Institute /ID# 252151
COMPLETEDOttawa, Ontario, K1H 8L6, Canada
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Rabin Medical Center. /ID# 251330
RECRUITINGPetah Tikva, Central District, 4941492, Israel
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Rocky Mountain Cancer Centers - Aurora /ID# 268574
RECRUITINGAurora, Colorado, 80012, United States
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Tel Aviv Sourasky Medical Center /ID# 251573
RECRUITINGTel Aviv, Tel Aviv, 6423906, Israel
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Texas Oncology - Central/South Texas /ID# 268563
RECRUITINGAustin, Texas, 78705, United States
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Texas Oncology - Dallas - Worth Street /ID# 280064
RECRUITINGDallas, Texas, 75246, United States
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Texas Oncology - Northeast Texas /ID# 268877
RECRUITINGTyler, Texas, 75702, United States
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The Chaim Sheba Medical Center /ID# 251329
RECRUITINGRamat Gan, Tel Aviv, 5265601, Israel
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The Christie Hospital /ID# 251774
RECRUITINGManchester, M20 4BX, United Kingdom
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Tulane University School of Medicine /ID# 251204
RECRUITINGNew Orleans, Louisiana, 70112, United States
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University College London Hospital /ID# 251357
RECRUITINGLondon, Greater London, NW1 2BU, United Kingdom
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University Of Cincinnati Medical Center /ID# 251746
RECRUITINGCincinnati, Ohio, 45219, United States
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University of North Carolina /ID# 251203
RECRUITINGChapel Hill, North Carolina, 27514, United States
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Vanderbilt Ingram Cancer Center /ID# 252470
RECRUITINGNashville, Tennessee, 37232-0021, United States
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Vejle Sygehus /ID# 251260
RECRUITINGVejle, Region Syddanmark, 7100, Denmark
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Virginia Cancer Specialists - Fairfax /ID# 268559
RECRUITINGFairfax, Virginia, 22031, United States
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Willamette Valley Cancer Institute and Research Center /ID# 267088
RECRUITINGEugene, Oregon, 97401, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Cheap blood count ratios eyed as window into Myeloma's inflammatory grip
- Can a t-cell engager rescue myeloma that outsmarted CAR-T?
- Can myeloma treatment work without steroids?
- Double-Drug attack on Hard-to-Treat lymphomas
- Banking blood and bone marrow to decode plasma cell disorders
- Which scan sees hidden myeloma better: PET or MRI?