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CLN-619

Phase 1

Multiple Myeloma | Small molecule | Oncology |Cullinan Therapeutics, Inc.|Last Updated: Nov 24, 2025

Success Probability
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Trial Design
UNCONTROLLED
Total Trials1
Total Enrollment30
FDA Designations
No designations recorded
Clinical trial landscape

CLN-619 · 2 trials · 3 indications

Phase 1 2
NCT06381141A Study of CLN-619 (Anti-MICA/MICB Antibody) in Patients With Relapsed and Refractory Multiple MyelomaMultiple Myeloma
ACTIVE NOT_RECRUITING30 Analytics
NCT05117476A Study of CLN-619 Alone and in Combination With Pembrolizumab in Advanced Solid TumorsAdvanced Solid Tumor
ACTIVE NOT_RECRUITING440 Analytics
PHASE1ACTIVE NOT_RECRUITING
A Study of CLN-619 (Anti-MICA/MICB Antibody) in Patients With Relapsed and Refractory Multiple Myeloma
Multiple MyelomaUnlock trial analytics
PHASE1ACTIVE NOT_RECRUITING
A Study of CLN-619 Alone and in Combination With Pembrolizumab in Advanced Solid Tumors
Advanced Solid TumorUnlock trial analytics
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.

Dose Escalation: TEAEs
24 Months

Number of treatment-emergent events (TEAEs) TEAE is defined as adverse events reported for the first time or worsening of a pre-existing event after the first dose of study drug.

Dose Expansion: Best Overall Response (BOR)
Every 6 weeks for the first 18 weeks and then every 9 weeks until disease progression; approximately 36 months

The percentage of patients having a CR or PR as determined by PI assessment of disease response per RECIST 1.1 on at least one scan.

Dose Expansion: Overall Response Rate (ORR)
Every 6 weeks for the first 18 weeks and then every 9 weeks until disease progression; approximately 36 months

The percentage of patients having a CR or PR as determined by PI assessment of disease response per RECIST 1.1.

Dose Expansion: Duration of Response (DoR)
Every 6 weeks for the first 18 weeks and then every 9 weeks until disease progression; approximately 36 months

The time from the earliest date of CR or PR until the earliest date of disease progression, as determined by PI assessment of disease response per RECIST 1.1 or death from any cause if occurring sooner than progression.

Dose Expansion: Disease Control Rate (DCR)
Every 6 weeks for the first 18 weeks and then every 9 weeks until disease progression; approximately 36 months

The percentage of participants having CR, PR, or SD as best on study response.

Dose Expansion: Overall Survival (OS)
Every 6 weeks for the first 18 weeks and then every 9 weeks until disease progression; approximately 36 months

Time from the initial date of treatment until death.

Dose Expansion: Clinical Benefit Rate (CBR)
Every 6 weeks for the first 18 weeks and then every 9 weeks until disease progression; approximately 36 months

The percentage of participants who achieve CR, PR or SD for a duration of 6 months as determined by PI assessment of disease response per RECIST 1.1.

Secondary Endpoints
All Cohorts: Cmax
Up to 2 years
All Cohorts: AUC
Up to 2 years
All Cohorts: Time to Maximum concentration
Up to 2 years
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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.
Module A Dose EscalationEXPERIMENTALPatients with advanced solid tumors enrolled in dose escalation cohorts treated with CLN-619
Module A Cohort ExpansionEXPERIMENTALPatients with select solid tumor types enrolled in expansion cohorts treated with CLN-619 at a dose selected from the Module A Escalation arm
Module B Combination Therapy Dose EscalationEXPERIMENTALPatients with advanced solid tumors enrolled in dose escalation cohorts treated with CLN-619 in combination with pembrolizumab
Module B Combination Therapy Cohort ExpansionEXPERIMENTALPatients with select tumor types enrolled in expansion cohorts treated with CLN-619 at a dose selected from the Module B Escalation arm, in combination with pembrolizumab
Module C Escalation and ExpansionEXPERIMENTALPatients with select tumor types taking CLN-619 in combination with chemotherapy
Module D Loading DoseEXPERIMENTALPatients with select tumor types taking a loading dose of CLN-619
Module E Safety Run-in and ExpansionEXPERIMENTALPatients with select NSCLC tumor types taking CLN-619 in combination with Dato-DXd
Interventions
NameTypeDescription
CLN-619DRUGAnti-MICA/MICB monoclonal antibody
PembrolizumabDRUGKeytruda
PaclitaxelDRUGTaxane
Carboplatin AUC 6DRUGPlatinum compound
pemetrexedDRUGantifolate
Datopotamab deruxtecan-dlnk (Dato-DXd)DRUGTROP-2 antibody-drug conjugate (ADC)
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Eligibility Criteria
Age Range18 Years to 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 StatesAustraliaPolandSpain
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Competitive Landscape -Multiple Myeloma 222 trials

Top 20 of 26 competitors

CompanyTickerTrialsLead PhaseDrugs
AbbVie, Inc.ABBV16PHASE3Pomalidomide, Dexamethasone, Venetoclax
Bristol-Myers Squibb CompanyBMY18PHASE3Iberdomide, Lenalidomide
Takeda Pharmaceutical Co. Ltd. Sponsored ADRTAK5PHASE3IGI, 10%
GSK plc Sponsored ADRGSK17PHASE3Belantamab mafodotin, Pomalidomide, Dexamethasone, Bortezomib
Johnson & JohnsonJNJ28PHASE3Bortezomib, Dexamethasone, Lenalidomide, Cilta-cel, Cyclophosphamide
Regeneron Pharmaceuticals, Inc.REGN11PHASE3Linvoseltamab, Carfilzomib, Daratumumab, Dexamethasone, Pomalidomide
Pfizer Inc.PFE11PHASE3Elranatamab, Lenalidomide
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
Grifols, S.A. Sponsored ADR Class BGRFS1PHASE3Xembify
BioLineRX Ltd. Sponsored ADRBLRX1PHASE3BL-8040 /kg, G-CSF
C4 Therapeutics, Inc.CCCC3PHASE2Cemsidomide, Dexamethasone
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
Moderna, Inc.MRNA2PHASE1mRNA-2808
BeOne Medicines Ltd. Sponsored ADRONC1PHASE1Sonrotoclax, Dexamethasone, Carfilzomib, Daratumumab, Pomalidomide
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT05117476primaryCompletionDate: changed
LOWMay 26, 2026NCT06381141primaryCompletionDate: changed
LOWMay 24, 2026NCT05117476studyFirstPostDate: changed
LOWMay 24, 2026NCT06381141studyFirstPostDate: changed