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Study of Elranatamab for Relapsed or Refractory Myeloma in Patients Previously Exposed to Three-drug Classes

NCT06282978 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 50

Last updated 2026-05-14

No results posted yet for this study

Summary

The goal of this phase II, open-label, single-arm, multicenter study is to evaluate i) the efficacy and ii) safety of elranatamab monotherapy at the dose of 76 mg subcutaneously in participants with RRMM after at least one or two prior lines of therapy who have received prior treatment with immunomodulatory drugs, protease inhibitors, and anti-CD38 therapy and were refractory to the last line of therapy, defined as progression while receiving treatment or in the first 60 days after the last dose of treatment.

Efficacy refers to the rate of Undetectable Measurable Residual Disease at 6 and 12 months as per International Myeloma Working Group (IMWG) criteria evaluated by the investigators.

Safety refers to the measurement of:

i) Adverse events (AEs) and serious adverse events (SAEs) according to standard clinical and laboratory tests (hematology and chemistry, physical examination, vital sign measurements, and diagnostic tests).

ii) Incidence and severity of Cytokine Release Syndrome (CRS) and Immune effector cell associated neurotoxicity syndrome (ICANS) according to the American Society for Transplantation and Cellular Therapy (ASTCT) criteria.

iii) Incidence and severity of other neurotoxicities. iv) Incidence of cytopenias and infections

The study consists of a screening/baseline period, a treatment period, and a posttreatment follow-up period. The study includes a periodic review of safety data, that will be independently analyzed by the Data Safety Independent Committee (DSMC) and will recommend how to proceed with the study.

Conditions

  • Multiple Myeloma in Relapse

Interventions

DRUG

Elranatamab (PF-06863135)

The scheme of administration includes weekly administrations for at least six 4-weeks cycles and, if patients have achieved at least PR (or better) persisting for at least 2 months, the dose interval should be changed from weekly to every other week. Treatment will be scheduled with a response-adapted duration and patients achieving undetectable measurable residual disease (MRD) and maintained for 12 months will stop therapy. After stopping therapy, and if the patient is in sustained undetectable MRD for at least 12 months, it would be possible to re-start treatment with elranatamab in case the MRD will be detectable or relapse from CR will occur. Patients who will not achieve undetectable MRD sustained for 12 months will receive continuous treatment until progressive disease.

Sponsors & Collaborators

  • PETHEMA Foundation

    lead OTHER

Principal Investigators

  • María-Victoria Mateos, MD · University of Salamanca

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2023-11-23
Primary Completion
2025-05-30
Completion
2029-12-31
FDA Drug
Yes

Countries

  • Spain

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06282978 on ClinicalTrials.gov