Clinical trial Recruiting at 14 sites Phase 2 Interventional Ages 18 and up

Evaluating talquetamab for patients with relapsed or refractory multiple myeloma

Official title: A Phase 1/2, First-in-Human, Open-Label, Dose Escalation Study of Talquetamab, a Humanized GPRC5D x CD3 Bispecific Antibody, in Subjects With Relapsed or Refractory Multiple Myeloma

Run by Janssen Research & Development, LLC · NCT04634552 · Data updated 2026-11-12

This study is testing a new drug called talquetamab to see if it can help people with relapsed or refractory multiple myeloma feel better and manage their disease.

Quick facts

PhasePhase 2
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment510 (estimated)
SponsorJanssen Research & Development, LLC
Industry-sponsored
Drugs / interventionsCAR-T, prednisone, talquetamab
Locations78 sites (Birmingham, Alabama and 77 other locations)
StatusRecruiting
StartedFebruary 1, 2021
Main results expectedJune 30, 2027
Study endsMarch 30, 2029
Registry record updatedNovember 3, 2026
Trial IDNCT04634552 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals with a documented diagnosis of relapsed or refractory multiple myeloma who meet specific inclusion criteria.

Probably not a fit

Patients who have recently undergone CAR-T or T cell redirection therapy may not benefit from this study.

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

What this trial studies

This study aims to assess the efficacy and safety of talquetamab in patients suffering from relapsed or refractory multiple myeloma. Participants will be grouped into different cohorts based on specific criteria, and the study will focus on measuring the disease's response to the treatment. The trial will follow a Phase 2 design, utilizing recommended doses to determine the drug's effectiveness. Patients will be monitored for both therapeutic outcomes and any adverse effects throughout the study.

Why it matters

Potential benefit: If successful, this treatment could provide a new therapeutic option for patients with difficult-to-treat multiple myeloma.

How similar studies have gone: Other studies have shown promise with similar therapies targeting multiple myeloma, indicating potential for success in this approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Documented initial diagnosis of multiple myeloma according to international myeloma working group (IMWG) diagnostic criteria
* Part 3: Measurable disease cohort A, cohort B, cohort C and cohort D: multiple myeloma must be measurable by central laboratory assessment; Cohort E: Multiple myeloma must be measurable by local laboratory assessment
* Eastern Cooperative Oncology Group (ECOG) performance status score of 0 to 2
* Women of childbearing potential must have a negative pregnancy test at screening and prior to the first dose of study drug using a highly sensitive pregnancy test either serum (beta human chorionic gonadotropin \[hCG\]) or urine
* Willing and able to adhere to the prohibitions and restrictions specified in this protocol

Exclusion Criteria:

* Part 3 only: Cohort A and Cohort C only: exposed to a CAR-T or T cell redirection therapy at any time. Cohort B, Cohort D and Cohort E: T cell redirection therapy within 3 months
* Toxicities from previous anticancer therapies should have resolved to baseline levels or to Grade 1 or less except for alopecia or peripheral neuropathy
* Received a cumulative dose of corticosteroids equivalent to \>= 140 milligram (mg) of prednisone within the 14-day period before the first dose of study drug (does not include pretreatment medication)
* Stroke or seizure within 6 months prior to signing the informed consent form (ICF)

Where it's running

  • University of Alabama Birmingham
    Birmingham, Alabama, United States
    Recruiting
  • University of Arkansas for Medical Sciences
    Little Rock, Arkansas, United States
    Recruiting
  • Memorial Healthcare System
    Hollywood, Florida, United States
    Recruiting
  • Emory University Winship Cancer Institute
    Atlanta, Georgia, United States
    Recruiting
  • Norton Cancer Institute
    Louisville, Kentucky, United States
    Recruiting
  • University of Michigan Health System
    Ann Arbor, Michigan, United States
    Recruiting
Show 44 more locations
  • Washington University School Of Medicine
    St Louis, Missouri, United States
    Recruiting
  • Mount Sinai Medical Center
    New York, New York, United States
    Recruiting
  • University of Rochester Medical Center
    Rochester, New York, United States
    Recruiting
  • Hosp Univ Vall D Hebron
    Barcelona, Spain
    Recruiting
  • Clinica Univ. de Navarra
    Pamplona, Spain
    Recruiting
  • Hosp Clinico Univ de Salamanca
    Salamanca, Spain
    Recruiting
  • Hosp. Univ. Marques de Valdecilla
    Santander, Spain
    Recruiting
  • Hosp. Virgen Del Rocio
    Seville, Spain
    Recruiting
  • City of Hope
    Duarte, California, United States
    Completed
  • University of Chicago
    Chicago, Illinois, United States
    Completed
  • NYU Langone Health
    New York, New York, United States
    Active not recruiting
  • Providence Portland Medical Center
    Portland, Oregon, United States
    Completed
  • Tennessee Oncology
    Nashville, Tennessee, United States
    Completed
  • UZ Antwerpen
    Edegem, Belgium
    Completed
  • UZ Leuven
    Leuven, Belgium
    Active not recruiting
  • CHU de Liège - Domaine Universitaire du Sart Tilman
    Liège, Belgium
    Active not recruiting
  • UCL - Saint Luc
    Woluwe-Saint-Lambert, Belgium
    Completed
  • Peking University Third Hospital
    Beijing, China
    Completed
  • Sun Yat Sen University Cancer Center
    Guangzhou, China
    Active not recruiting
  • The 1st Affiliated Hospital Of Medical College Zhejiang University 1
    Hangzhou, China
    Active not recruiting
  • The 1St Affiliated Hospital of Medical College Zhejiang University
    Hangzhou, China
    Active not recruiting
  • First Affiliated Hospital SooChow University
    Suzhou, China
    Active not recruiting
  • Institute of Hematology & Blood Disease Hospital Chinese Academy of Medical Science
    Tianjin, China
    Active not recruiting
  • The Second Affiliated Hospital of Xi'an Jiaotong University
    Xi'an, China
    Completed
  • The First Affiliated Hospital of Xian Jiaotong University
    Xi'an, China
    Completed
  • CHU Henri Mondor
    Créteil, France
    Active not recruiting
  • Hospices Civils de Lyon HCL
    Lyon, France
    Active not recruiting
  • CHU de Montpellier Hopital Saint Eloi
    Montpellier, France
    Active not recruiting
  • C.H.U. Hotel Dieu - France
    Nantes, France
    Active not recruiting
  • CHU de Bordeaux - Hospital Haut-Leveque
    Pessac, France
    Active not recruiting
  • Pôle IUC Oncopole CHU
    Toulouse, France
    Active not recruiting
  • Charite Campus Benjamin Franklin
    Berlin, Germany
    Active not recruiting
  • Universitaetsklinikum Heidelberg
    Heidelberg, Germany
    Active not recruiting
  • Universitaetsklinikum Muenster
    Münster, Germany
    Completed
  • Universitatsklinikum Wurzburg
    Würzburg, Germany
    Active not recruiting
  • Rambam Medical Center
    Haifa, Israel
    Active not recruiting
  • Carmel Medical Center
    Haifa, Israel
    Active not recruiting
  • Hadassah Medical Center
    Jerusalem, Israel
    Active not recruiting
  • Sheba Medical Center
    Ramat Gan, Israel
    Active not recruiting
  • Tel Aviv Sourasky Medical Center
    Tel Aviv, Israel
    Active not recruiting
  • Kameda Medical Center
    Chiba, Japan
    Completed
  • Fukuoka University Hospital
    Fukuoka, Japan
    Completed
  • Ogaki Municipal Hospital
    Gifu, Japan
    Completed
  • Teine Keijinkai Hospital
    Hokkaido, Japan
    Completed

+28 more sites. See ClinicalTrials.gov for the full list.

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.