Recent Updates
Recently added Catalysts

Eteplirsen

Phase 3

Muscular Dystrophy, Duchenne | Small molecule | Neurology |Sarepta Therapeutics, Inc.|Last Updated: Feb 27, 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
RandomizedDouble-BlindACTIVE_CONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment184
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03992430A Study to Compare Safety and Efficacy of High Doses of Eteplirsen in Participants With Duchenne Muscular Dystrophy (DMD) (MIS51ON)PHASE3 ACTIVE NOT_RECRUITING 160Jul 13, 2020Oct 31, 2026Feb 27, 202659 United States, Colombia +24
NCT02286947Safety Study of Eteplirsen to Treat Advanced Stage Duchenne Muscular DystrophyPHASE2 COMPLETED 24Nov 1, 2014Mar 23, 2018Mar 30, 20209 United States
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Part 1: Incidence of Adverse Events (AEs)
Up to Week 148
Part 2: Change From Baseline at Week 144 in the NSAA Total Score (for Final Analysis)
Baseline, Week 144
Part 2: Change from Baseline at Week 72 or Week 96 in NSAA Total Score (for Conditional Efficacy Interim Analysis)
Baseline, Week 72 or Week 96
Number of Participants With Treatment Emergent Adverse Events
From first dose of drug up to 100 weeks

An adverse event (AE) was any untoward medical occurrence in a participant that did not necessarily have a causal relationship with the study drug. A serious adverse event (SAE) was an AE resulting in any of the following outcomes: death; Life-threatening event; Required or prolonged inpatient hospitalization; persistent or significant disability/incapacity; congenital anomaly. Treatment-emergent AEs were events that developed or worsened during the on-treatment period (defined as time from first dose of study drug and up to 28 days after last dose of study drug (up to 100 weeks) that were absent before treatment or that worsened relative to pretreatment state. AEs included both serious and non-serious adverse events.

Secondary Endpoints
Part 2: Change From Baseline in Time to Rise From the Floor, Time to Complete 10-Meter Walk/Run, and the Timed Stair Ascend Test
Baseline, Week 144
Part 2: Change From Baseline in the Total Distance Walked During 6-Minute Walk Test (6MWT)
Baseline, Week 144
Part 2: Change from Baseline at Week 144 in Forced Vital Capacity Percent Predicted (FVC%p)
Baseline, Week 144
Unlock Study Endpoints
Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part 1: EteplirsenEXPERIMENTALParticipants will receive eteplirsen 100 mg/kg once weekly for at least 4 weeks, followed by eteplirsen 200 mg/kg once weekly for at least 4 weeks.
Part 2: Eteplirsen 30 mg/kgACTIVE_COMPARATORRandomized participants will receive eteplirsen 30 mg/kg once weekly for up to 144 weeks.
Part 2: Eteplirsen 100 mg/kgEXPERIMENTALRandomized participants will receive eteplirsen 100 mg/kg once weekly for up to 144 weeks.
Part 2: Eteplirsen 200 mg/kgEXPERIMENTALRandomized participants will receive eteplirsen 200 mg/kg once weekly for up to 144 weeks.
Eteplirsen 30 mg/kgEXPERIMENTALParticipants will receive eteplirsen 30 mg/kg/week intravenous (IV) infusions, weekly, for up to 96 weeks.
Interventions
NameTypeDescription
EteplirsenDRUGSolution for intravenous (IV) infusion.
Unlock Study Design Details
Eligibility Criteria
Age Range4 Years — 13 Years
SexMALE
Healthy VolunteersNo
Study Sites59

Inclusion Criteria: * Be a male with an established clinical diagnosis of DMD and an out-of-frame deletion mutation of the DMD gene amenable to exon 51 skipping. * Ambulatory participant, able to perform TTRISE in 10 seconds or less at the time of screening visit. * Able to walk independently witho...

Countries:United StatesColombiaCzechiaDenmarkFranceGermanyGreeceHungaryIndiaIrelandItalyJordanMexicoNetherlandsNew ZealandNorwayPolandRomaniaSerbiaSloveniaSouth KoreaSpainSwitzerlandTaiwanTurkey (Türkiye)United Kingdom
Unlock Eligibility Criteria
Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT03992430primaryCompletionDate: changed
LOWMay 24, 2026NCT03992430studyFirstPostDate: changed