Recent Updates
Recently added Catalysts

BMN 351

Phase 2

Duchenne Muscular Dystrophy (DMD) | Small molecule | Neurology |BioMarin Pharmaceutical Inc.|Last Updated: May 14, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment18
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07573631An Open-Label Extension Study to Evaluate the Long-term Safety and Efficacy of BMN 351 in Participants With Duchenne Muscular DystrophyPHASE2 ENROLLING BY_INVITATION 18Apr 1, 2026Dec 1, 2031May 14, 20267 Italy, Netherlands +3
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
To assess the long-term safety and tolerability of BMN 351 in participants with DMD
Through study completion, at least 1 year

The safety and tolerability of BMN 351 will be assessed based on the incidence of adverse and serious adverse events.

Secondary Endpoints
To evaluate the effect of BMN 351 on physical function
Change from baseline and subsequent 24-week incremental visits
Unlock Study Endpoints
Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
BMN 351EXPERIMENTALParticipants from 351-201 enrolling in 351-202 will initially receive BMN 351 at the dose level at which they completed 351-201. Once all 351-201 participants have completed their Week 25 visit in 351-202, available safety and PD data will be analyzed and a single optimal dose level will be selected for 351-202. All participants from 351-201 will transition to that dose level at their next applicable visit.
Interventions
NameTypeDescription
BMN 351DRUGAnti-sense Oligonucleotide BMN 351 will be administered intravenously
Unlock Study Design Details
Eligibility Criteria
Age Range4 Years — N/A
SexMALE
Healthy VolunteersNo
Study Sites7

Inclusion Criteria: * Participants must have completed 351-201 without permanent discontinuation of the investigational medicinal product (IMP) or withdrawal from the study * Currently receiving treatment with oral corticosteroids, on a stable dose regimen during 351-201, and must remain on a consi...

Countries:ItalyNetherlandsSpainTurkey (Türkiye)United Kingdom
Unlock Eligibility Criteria
Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07573631primaryCompletionDate: changed
LOWMay 24, 2026NCT07573631studyFirstPostDate: changed
LOWMay 21, 2026NCT07573631NEW_TRIAL: changed
LOWMay 21, 2026NCT07573631NEW_TRIAL: changed