CI

At a glance

ClinicalIndex Comparison Record
Phase 3Active· 114 enrolled
Drug / intervention
PF-06939926 +3 moregenetic
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04281485
NCT04281485Phase 3Active

A PHASE 3, MULTICENTER, RANDOMIZED, DOUBLE-BLIND, PLACEBO CONTROLLED STUDY TO EVALUATE THE SAFETY AND EFFICACY OF PF 06939926 FOR THE TREATMENT OF DUCHENNE MUSCULAR DYSTROPHY

Pfizer·interventional·Posted Feb 24, 2020·Updated Mar 2, 2026

In Brief

A Phase 3 clinical trial evaluating PF-06939926 and Placebo for Duchenne Muscular Dystrophy. Active but no longer recruiting, targeting 114 participants across 53 sites in 15 countries.

Detailed Summary

The study will evaluate the safety and efficacy of gene therapy in boys with DMD. It is a randomized, double-blind, placebo-controlled study with two thirds of participants assigned to gene therapy. The one third of participants who are randomized to the placebo arm will have an opportunity for treatment with gene therapy at the beginning of the second year.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesAustralia, Belgium, Canada, France, Germany, Israel, Italy, Japan, Russia, South Korea, Spain, Switzerland, Taiwan, United Kingdom, United States
Collaborators--

Timeline

Phase 3Active
20202021202220232024202520262027202820292030203120322033203420352036203720382039
First PostedFeb 24, 2020
Enrollment StartNov 5, 2020
Primary CompletionMay 15, 2024
Study CompletionApr 15, 2039
TodayJul 2, 2026
Enrollment to primary: 3.5 yearsPosted 6.4 years ago

Interventions

PF-06939926genetic

PF-06939926 will be administered as a single IV infusion at Year 1 for Cohort 1.

Placeboother

Placebo will be administered as a single IV infusion at Year 1 for Cohort 2.

Placeboother

Placebo will be administered as a single IV infusion at Year 2 for Cohort 1.

PF-06939926genetic

PF-06939926 will be administered as a single IV infusion at Year 2 for Cohort 2