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Unconjugated belantamab antibody

Phase 1

Multiple Myeloma | Small molecule | Oncology |GSK plc|Last Updated: May 22, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment152
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05714839A Study to Investigate the Safety and Efficacy of Belantamab for the Treatment of Multiple Myeloma When Used as Monotherapy and in Combination TreatmentsPHASE1 RECRUITING 152Jun 14, 2023Dec 3, 2029May 22, 202630 United States, Argentina +8
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Study Endpoints
Primary Endpoints
Part 1, 2 and 3: Number of Participants with any Adverse Event
Up to 52 months
Part 1: Number of Participants with Dose Limiting Toxicities (DLTs)
Cycle 1 (Each cycle is of 28 days)
Part 1, 2and 3: Number of Participants with Worst Case Grade Change from Baseline in Laboratory and Vital Sign Parameters
Up to 52 months
Part 1, 2 and 3: Number of Participants with severity of ocular events by the Keratopathy Visual Acuity (KVA) scale
Up to 52 months
Part 2: Overall Response Rate (ORR)
Up to 52 months
Part 3: Very Good Partial Response and better rate (VGPR+)
Up to 52 months

VGPR+ is defined as the percentage of participants with a confirmed VGPR or better (i.e., VGPR, complete response, stringent complete response)

Secondary Endpoints
Part 1: Observed Plasma Concentration of belantamab
Up to 52 months
Part 1: Area Under the Curve (AUC) of belantamab
Up to 52 months
Part 1: Maximum Concentration (Cmax) of belantamab
Up to 52 months
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part 1: Dose escalation and expansion of the unconjugated belantamab antibody monotherapyEXPERIMENTALUnconjugated belantamab antibody will be administered in participants with RRMM until progressive disease (PD)
Part 2:Unconjugated belantamab antibody and belantamab mafodotin-given separately dose range findingEXPERIMENTALParticipants with RRMM will receive unconjugated belantamab antibody and belantamab mafodotin
Part 3: Unconjugated belantamab +/- belantamab mafodotin +pomalidomide/dexamethasone in 2L+ RRMMEXPERIMENTALParticipants with second line (2L+) RRMM will receive Unconjugated belantamab antibody in combination with pomalidomide-dexamethasone backbone, with or without belantamab mafodotin.
Part 1b:Optional belantamab mafodotinEXPERIMENTALParticipants enrolled in Part 1 and Part 2 will be dosed until PD after which they will have the option to receive treatment with single agent belantamab mafodotin.
Interventions
NameTypeDescription
Unconjugated belantamab antibodyDRUGUnconjugated belantamab antibody will be administered.
Belantamab mafodotinDRUGBelantamab mafodotin will be administered.
Unconjugated belantamab antibody and belantamab mafodotinDRUGUnconjugated belantamab antibody and belantamab mafodotin used in combination (delivered as separate drugs) will be administered.
Unconjugated belantamab antibody in combination with pomalidomide-dexamethasone backbone, with or without belantamab mafodotinDRUGUnconjugated belantamab antibody and belantamab mafodotin in combination with pomalidomide-dexamethasone and Unconjugated belantamab antibody in combination with pomalidomide-dexamethasone will be administered.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites30

Inclusion Criteria: * Participants at the time of signing the Informed Consent Form (ICF) are at least 18 years old or are of the legal age of consent in the jurisdiction in which the study is taking place. * Participants who have histologically or cytologically confirmed diagnosis of Multiple Myel...

Countries:United StatesArgentinaAustraliaBrazilJapanPolandSouth KoreaTaiwanTurkey (Türkiye)United Kingdom
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Competitive Landscape -Multiple Myeloma 228 trials
CompanyTickerTrialsLead PhaseDrugs
Johnson & JohnsonJNJ30PHASE3Daratumumab, Lenalidomide, Bortezomib, Dexamethasone, Cilta-cel
AbbVie, Inc.ABBV16PHASE3Pomalidomide, Dexamethasone, Venetoclax, Etentamig, Carfilzomib
Bristol-Myers Squibb CompanyBMY19PHASE3Mezigdomide, Carfilzomib, Dexamethasone, Daratumumab, Bortezomib
Takeda Pharmaceutical Co. Ltd. Sponsored ADRTAK5PHASE3IGI, 10%, Clarithromycin, Dexamethasone, Ixazomib, Pomalidomide
GSK plc Sponsored ADRGSK17PHASE3Belantamab mafodotin, Pomalidomide, Dexamethasone, Bortezomib, Daratumumab
Regeneron Pharmaceuticals, Inc.REGN12PHASE3Linvoseltamab, Daratumumab, Carfilzomib, Dexamethasone, Pomalidomide
Pfizer Inc.PFE12PHASE3Elranatamab, Lenalidomide, Elotuzumab, Pomalidomide, Dexamethasone
Sanofi SA Sponsored ADRSNY18PHASE3Isatuximab, Dexamethasone, Pomalidomide, Montelukast, Paracetamol / Acetaminophen
AstraZeneca PLCAZN5PHASE3AZD0120, Daratumumab, Carfilzomib, Dexamethasone, Bortezomib
Gilead Sciences, Inc.GILD3PHASE3Anitocabtagene Autoleucel, Cyclophosphamide, Fludarabine, Pomalidomide, Bortezomib
Karyopharm Therapeutics, Inc.KPTI6PHASE3Selinexor, Elotuzumab, Pomalidomide, Dexamethasone, Bortezomib
Grifols, S.A. Sponsored ADR Class BGRFS1PHASE3Xembify
BioLineRX Ltd. Sponsored ADRBLRX1PHASE3BL-8040 /kg + G-CSF
C4 Therapeutics, Inc.CCCC3PHASE2Cemsidomide, Dexamethasone, cemsidomide, Elranatamab
Cellectar Biosciences, Inc.CLRB1PHASE2Iopofosine I 131 single dose, Iopofosine I 131 fractionated dose
GeoVax Labs, Inc.GOVX1PHASE2COVID-19 Vaccine, Synthetic MVA-based SARS-CoV-2 Vaccine GEO-CM04S1
Autolus Therapeutics Plc Sponsored ADRAUTL1PHASE2AUTO CAR T cell therapy
Incyte CorporationINCY2PHASE1Ruxolitinib, Lenalidomide, Methylprednisolone
Eli Lilly and CompanyLLY1PHASE1LOXO-338, Pirtobrutinib
Moderna, Inc.MRNA2PHASE1mRNA-2808
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT05714839Enrollment: 153 → 152
LOWMay 24, 2026NCT05714839studyFirstPostDate: changed