🏛️ Verified NIH Record • Updated 2026-07-02

Dose Escalation Study of Talquetamab in Participants With Relapsed or Refractory Multiple Myeloma (NCT03399799)

64407564MMY1001: 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

🔵 Active, Not Recruiting Phase1 💊 Investigational Drug / Biologic Sponsor: Janssen Research & Development, LLC

🩺 Plain-English Summary (8th-Grade Level)

The purpose of this study is to characterize the safety of Talquetamab and to determine the recommended Phase 2 dose(s) (RP2Ds) and dosing schedule assessed to be safe for Talquetamab (Part 1 \[Dose Escalation\]) and to further characterize the safety of Talquetamab at the recommended Phase 2 dose(s) (RP2Ds) (Part 2 \[Dose Expansion\]).

Who can join: Review the eligibility criteria below.

Location: University of Alabama Birmingham — Birmingham, Alabama

Age range: 18 Years

🧪 Interventions in This Study

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (13 Sites)

  • University of Alabama Birmingham — Birmingham, Alabama
  • City of Hope — Duarte, California
  • University of Colorado Cancer Center — Aurora, Colorado
  • Mount Sinai Medical Center — New York, New York
  • Tennessee Oncology — Nashville, Tennessee
  • Centre Hospitalier Universitaire de Liege Domaine Universitaire du Sart Tilman — Liège,
  • VU Medisch Centrum — Amsterdam,
  • UMCU — Utrecht,
  • Hosp. Univ. Germans Trias I Pujol — Badalona,
  • Hosp Univ Fund Jimenez Diaz — Madrid,
  • Clinica Univ. de Navarra — Pamplona,
  • Hosp. Quiron Madrid Pozuelo — Pozuelo de Alarcón,
  • Hosp Clinico Univ de Salamanca — Salamanca,

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Review the official NIH record below to find the coordinating site.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗