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OncoMatch/Clinical Trials/NCT05714839

A Study to Investigate the Safety and Efficacy of Belantamab for the Treatment of Multiple Myeloma When Used as Monotherapy and in Combination Treatments

Is NCT05714839 recruiting? Yes, currently enrolling (Sep 2026). This Phase 1/2 trial studies multiple treatments including Belantamab and Belantamab mafodotin for multiple myeloma.

Phase 1/2RecruitingGlaxoSmithKlineNCT05714839Data as of Sep 2026Location: International · 13 countries

Treatment: Belantamab · Belantamab mafodotin · Pomalidomide · DexamethasoneThe study consists of three parts: * Part 1: The primary purpose of this part aims to evaluate the safety, tolerability, and clinical activity of escalating doses of single agent belantamab in participants with refractory multiple myeloma (RRMM) who have received at least 3 prior therapies (4L+). * Part 2: The primary purpose of this part is to evaluate the safety, tolerability, and clinical activity of different doses of belantamab in combination with a fixed dose of Belantamab mafodotin (delivered as separate drugs) in participants with RRMM who have received at least 3 prior therapies (4L+). * Part 3: The Primary purpose of this part will evaluate the clinical activity of a selected dose of the belantamab in combination with the pomalidomide-dexamethasone (Pd) standard of care (SoC) backbone. The study will focus on participants with multiple myeloma who have undergone at least one prior line of therapy, including treatment with lenalidomide.

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Extracted eligibility criteria

Treatments studied

Targeted therapy

BelantamabBelantamab mafodotin

Endocrine / hormonal

Pomalidomide

Other

Dexamethasone

Cancer type

Multiple Myeloma

Performance status

ECOG 0–2(Ambulatory, capable of self-care)

Prior therapy

Min 3 prior lines

Must have received: anti-myeloma therapy (lenalidomide, pomalidomide, thalidomide)

at least 3 prior lines of anti-myeloma treatments, including any immunomodulatory drug (IMiDs lenalidomide, pomalidomide or thalidomide), a proteasome inhibitor, and an anti-CD38 monoclonal antibodies (mAb) (either in combination or separately)

Must have received: proteasome inhibitor

at least 3 prior lines of anti-myeloma treatments, including any immunomodulatory drug (IMiDs lenalidomide, pomalidomide or thalidomide), a proteasome inhibitor, and an anti-CD38 monoclonal antibodies (mAb) (either in combination or separately)

Must have received: anti-CD38 monoclonal antibody

at least 3 prior lines of anti-myeloma treatments, including any immunomodulatory drug (IMiDs lenalidomide, pomalidomide or thalidomide), a proteasome inhibitor, and an anti-CD38 monoclonal antibodies (mAb) (either in combination or separately)

Cannot have received: allogeneic stem cell transplant

Prior allogeneic stem cells transplant

Lab requirements

Kidney function

Presence of active renal condition (infection, requirement for dialysis or any other condition that could affect participant's safety) [excluded]. Participants with isolated proteinuria resulting from MM are eligible.

Liver function

Has cirrhosis or current unstable liver or biliary disease per investigator assessment defined by the presence of ascites, encephalopathy, coagulopathy, hypoalbuminemia, esophageal/gastric varices, or persistent jaundice [excluded]

Cardiac function

Evidence of cardiovascular risk including: current clinically significant untreated arrhythmias, QTcF interval >480 msec (Part 1 dose escalation and Part 2 only), history of MI, acute coronary syndromes, coronary angioplasty, stenting or bypass grafting within three months of screening, Class III or IV heart failure (NYHA), uncontrolled hypertension [excluded]

Have adequate organ system function as defined by the laboratory assessments

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • GSK Investigational Site · Bullhead City, Arizona
  • GSK Investigational Site · Los Angeles, California
  • GSK Investigational Site · Pembroke Pines, Florida
  • GSK Investigational Site · Boston, Massachusetts
  • GSK Investigational Site · Grand Rapids, Michigan

Showing up to 5 US sites.

See all sites on ClinicalTrials.gov →

Frequently asked questions

Is NCT05714839 currently recruiting?

Yes, this trial is currently recruiting patients.

Are there prior therapy exclusions?

Yes. Prior allogeneic stem cell transplant disqualifies patients from enrollment.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

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