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KER-065

Phase 2

Duchenne Muscular Dystrophy | Small molecule | Neurology |Keros Therapeutics, Inc.|Trials Updated: Sep 30, 2026

KER-065 development status

Highest phase Phase 2
Registered trials 1 across 1 sponsor since Jul 2026

KER-065 target and mechanism

Molecular targetmyostatin/activin A
ModalitySmall molecule

Also known as Rinvatercept

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials1
Total Enrollment36

FDA Designations

ORPHAN_DRUG

KER-065 clinical trials

KER-065 · 1 trial · 1 indication

Phase 2 1
NCT07704099Safety and Efficacy of KER-065 in Participants With Duchenne Muscular DystrophyDuchenne Muscular Dystrophy
RECRUITING36 Analytics
PHASE2RECRUITING
Safety and Efficacy of KER-065 in Participants With Duchenne Muscular Dystrophy
Duchenne Muscular DystrophyUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of participants with treatment-emergent adverse events (TEAEs and serious adverse events (SAEs)
Up to approximately 14 months

To evaluate the safety and tolerability of KER-065 in ambulatory and nonambulatory participants with DMD

Secondary Endpoints

KER-065 serum concentration by visit, as appropriate
Up to Week 52
Number and proportion of participants with treatment-emergent ADA (antidrug antibody) by visit
Up to Week 52
Change from baseline by visit in bone mineral density (BMD), fat mass, and lean body mass, as measured by dual- energy X-ray absorptiometry (DXA)
Week 12, Week 24 and Week 48
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Cohort A1 (Late Ambulatory)EXPERIMENTALParticipants will receive stable corticosteroid (CS) along with KER-065.
Cohort A2 (Late Ambulatory)EXPERIMENTALParticipants will receive stable CS, exon skipper along with KER-065.
Cohort N1 (Early Nonambulatory)EXPERIMENTALParticipants will receive stable CS along with KER-065.

Interventions

NameTypeDescription
KER-065DRUGKER-065 will be administered subcutaneously (SC)
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Eligibility Criteria

Age Range9 Years to N/A
SexMALE
Healthy VolunteersNo
Study Sites2

Key Inclusion Criteria: * Diagnosis of DMD, defined as the presence of phenotypic features at screening consistent with DMD AND documented mutation in the dystrophin gene consistent with the diagnosis of DMD using a clinically validated genetic test. * Receiving a stable regimen of systemic CS (inc...

Countries:New Zealand
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Recent Changes (Last 90 Days)

LOWSep 30, 2026NCT07704099Status: NOT_YET_RECRUITING → RECRUITING
LOWSep 30, 2026NCT07704099Status: NOT_YET_RECRUITING → RECRUITING
LOWAug 11, 2026NCT07704099lastUpdatePostDate: changed
LOWAug 11, 2026NCT07704099lastUpdatePostDate: changed
LOWAug 11, 2026NCT07704099lastUpdatePostDate: changed

Frequently asked questions about KER-065

What is KER-065?

KER-065 is an investigational small molecule being developed by Keros Therapeutics, Inc. for the treatment of Duchenne Muscular Dystrophy. It is currently in Phase 2 clinical development and has received Orphan Drug designation from the FDA. It is not yet approved for any indication.

What is KER-065 used for in Duchenne Muscular Dystrophy?

KER-065 is being studied as a potential treatment for Duchenne Muscular Dystrophy, a neuromuscular condition. The Phase 2 trial is evaluating its safety and efficacy in participants with the disease. As an investigational therapy, KER-065 has not been approved for use in Duchenne Muscular Dystrophy or any other indication.

What does KER-065 target?

KER-065 targets myostatin and activin A. By acting on this signaling pathway, the small molecule is designed to modulate muscle-related biology in Duchenne Muscular Dystrophy. This mechanism is the basis for its ongoing clinical evaluation in that patient population.

Who is developing KER-065?

KER-065 is being developed by Keros Therapeutics, Inc., which trades on the Nasdaq under the ticker KROS. The company is the sponsor of the ongoing Phase 2 clinical trial of KER-065 in Duchenne Muscular Dystrophy.

What phase is KER-065 in?

KER-065 is in Phase 2 clinical development. It is an investigational drug and has not been approved by the FDA for any indication. The Phase 2 trial is currently recruiting participants with Duchenne Muscular Dystrophy.

What clinical trials is KER-065 in?

KER-065 is being studied in one clinical trial, NCT07704099, titled Safety and Efficacy of KER-065 in Participants With Duchenne Muscular Dystrophy. The Phase 2 trial is recruiting and plans to enroll 36 male participants aged 9 years and older in New Zealand.