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Sevasemten

Phase 2

Becker Muscular Dystrophy | Small molecule | Neurology |Edgewise Therapeutics, Inc.|Last Updated: May 20, 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
RandomizedDouble-BlindCONTROLLEDDMCBiomarker
Total Trials3
Total Enrollment516
FDA Designations
No designations recorded
Clinical Trials (3)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06066580Open-Label Extension of EDG-5506 in Participants With Becker Muscular DystrophyPHASE2 ENROLLING BY_INVITATION 260Nov 2, 2023Feb 1, 2031May 6, 202646 United States, Belgium +8
NCT05291091Phase 2 Study of EDG-5506 in Becker Muscular Dystrophy (GRAND CANYON)PHASE2 ACTIVE NOT_RECRUITING 244Nov 10, 2022Sep 1, 2026May 20, 202651 United States, Australia +10
NCT05160415A Study of EDG-5506 in Adult Males With Becker Muscular DystrophyPHASE1 COMPLETED 12Dec 28, 2021Mar 1, 2024Jun 24, 20251 United States
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Study Endpoints
Primary Endpoints
Number of adverse events in those treated with sevasemten
55 Months
Severity of adverse events in those treated with sevasemten
55 Months
Number of adverse events in those treated with sevasemten or placebo
12 months (CANYON Cohorts 1, 2, 4, 5), 18 months (GRAND CANYON Cohort 6)

All participants

Severity of adverse events in those treated with sevasemten or placebo
12 months (CANYON Cohorts 1, 2, 4, 5), 18 months (GRAND CANYON Cohort 6)

All participants

Change from Baseline in serum Creatine Kinase
12 Months (CANYON Cohorts 1, 2)

Adult participants

Change from Baseline in the North Star Ambulatory Assessment scale
18 months (GRAND CANYON Cohort 6)

Adult participants

Percentage of Participants Treated With Sevasemten Experiencing AEs
From first dose of study drug to 25 months

An AE is any untoward medical occurrence in a patient administered a medicinal product. The AE does not necessarily have to have a causal relationship with the study drug. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding, for example), symptom or disease temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. The numerator of the percentage is the number of participants experiencing at least one AE after first dose of study drug up to 25 months.

Frequency of AEs in Those Treated With Sevasemten
From first dose of study drug to 25 months

An AE is any untoward medical occurrence in a patient administered a medicinal product. The AE does not necessarily have to have a causal relationship with the study drug. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding, for example), symptom or disease temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. The endpoint is the cumulative total number of AEs occurring after first dose of study drug up to 25 months among participants who received at least one dose of study drug.

Number of Participants Treated With Sevasemten With AEs by Maximum Severity
From first dose of study drug to 25 months

An AE is any untoward medical occurrence in a patient administered a medicinal product. The AE does not necessarily have to have a causal relationship with the study drug. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding, for example), symptom or disease temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. The severity of an AE is graded, according to the study protocol definitions of AE severity/intensity, as "mild", "moderate" or "severe". Participants who reported multiple AEs are counted only once at the highest severity reported.

Secondary Endpoints
Incidence of treatment-emergent abnormal clinical chemistry laboratory test results
54 Months
Incidence of treatment-emergent abnormal hematology laboratory test results
54 Months
Change from Baseline in the protein fast skeletal muscle Troponin I
12 months (CANYON Cohorts 1, 2), 18 months (GRAND CANYON Cohort 6)
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
TreatmentEXPERIMENTALDrug: Sevasemten
Adult Cohort 1EXPERIMENTALDrug: Sevasemten Drug: Placebo
Adult Cohort 2EXPERIMENTALDrug: Sevasemten Drug: Placebo
Adult Cohort 6EXPERIMENTALDrug: Sevasemten Drug: Placebo
Adolescent Cohort 4EXPERIMENTALDrug: Sevasemten Drug: Placebo
Adolescent Cohort 5EXPERIMENTALDrug: Sevasemten Drug: Placebo
Interventions
NameTypeDescription
SevasemtenDRUGSevasemten is administered orally once per day
Sevasemten 10 mgDRUGSevasemten is administered orally once per day
Sevasemten 5 mgDRUGSevasemten is administered orally once per day
Sevasemten 12.5 mgDRUGSevasemten is administered orally once per day
PlaceboDRUGPlacebo is administered orally once per day
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Eligibility Criteria
Age Range12 Years — 50 Years
SexMALE
Healthy VolunteersNo
Study Sites46

Key Inclusion Criteria: 1\. Males with a diagnosis of BMD and participation in EDG-5506-002 ARCH, EDG-5506-201 CANYON and GRAND CANYON, or EDG-5506-202 DUNE. Participants are eligible if they complete the respective prior study visits as follows: * EDG-5506-002 ARCH: Complete the final study Visit...

Countries:United StatesBelgiumDenmarkFranceGermanyIsraelItalyNetherlandsSpainUnited KingdomAustraliaNew Zealand
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Recent Changes (Last 90 Days)
MEDIUMMay 26, 2026NCT06066580primaryCompletionDate: changed
LOWMay 26, 2026NCT05291091primaryCompletionDate: changed
LOWMay 24, 2026NCT06066580studyFirstPostDate: changed
LOWMay 24, 2026NCT05291091studyFirstPostDate: changed