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CLN-619

Phase 1

Multiple Myeloma | Small molecule | Oncology |Cullinan Therapeutics, Inc.|Last Updated: Sep 18, 2025

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
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment30
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06381141A Study of CLN-619 (Anti-MICA/MICB Antibody) in Patients With Relapsed and Refractory Multiple MyelomaPHASE1 ACTIVE NOT_RECRUITING 30Sep 3, 2024Mar 1, 2027Sep 18, 20258 United States
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Study Endpoints
Primary Endpoints
Proportion of participants reporting Adverse Events (AEs) and Serious Adverse Events (SAEs)
baseline through 3-week treatment period

Incidence of AEs and SAEs using MedDRA

Changes in Eastern Cooperative Oncology Group (ECOG) performance
Up to 2 years

ECOG Scores are a functional scale ranging from 0 (Fully active, able to carry out all pre-disease activities without restrictions) to 5 (Death)

Incidence of Dose-Limiting toxicity (DLTs)
up to 2 years

Maximum Tolerated Dose (MTD) is reached if 2 or more patients experience a DLT at a dose level

Best Overall Response (BOR) per patient
up to 2 years

The best response defined by the International Myeloma Working Group (IMWG) criteria recorded throughout the study including unscheduled assessments

Overall Response Rate (ORR)
up to 2 years

The proportion of patients who achieve a partial response or better (e.g., Partial Response (PR), Very Good Partial Response (VGPR), Complete Response (CR) or stringent Complete Response (sCR), according to IMWG response criteria

Duration of Response (DoR)
up to 2 years

The time from the earliest date of documented response to the first documented disease progression or death, whichever occurs first.

Clinical Benefit Rate (CBR)
up to 2 years

The proportion of patients with a best overall response of CR, PR and stable disease (SD), according to IMWG response criteria

Progression Free Survival (PFS)
up to 2 years

The time from date of first dose until the earliest date of disease progression, or death from any cause, whichever occurs first.

Overall Survival (OS)
up to 2 years

Time from the date of first dose to date of death due to any cause.

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Study Design & Arms
AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part 1 Dose EscalationEXPERIMENTALCohorts of patients with R/R MM will be treated at ascending doses of CLN-619 using a standard 3+3 dose escalation design.
Interventions
NameTypeDescription
CLN-619DRUGAnti-MICA/MICB monoclonal antibody
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites8

Inclusion Criteria: 1. Aged ≥ 18 years at the time of signing the ICF. 2. Willing and able to give written informed consent and adhere to protocol requirements. 3. Patient has a history of multiple myeloma with relapsed and refractory disease as defined by the protocol. 4. Patients must have measur...

Countries:United States
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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, 2026NCT06381141primaryCompletionDate: changed
LOWMay 24, 2026NCT06381141studyFirstPostDate: changed