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Clinical Trial Summary

The proposed phase I clinical trial is a pilot study to evaluate safety and biological activity of the rAAVrh74.MCK.micro-Dystrophin vector administered by an intramuscular route. This study will evaluated the micro-Dystrophin vector as a potential dystrophin replacement mechanism for Duchenne Muscular Dystrophy. Two cohorts will undergo gene transfer in a standard three-six dose escalation scheme to establish maximum tolerated dose (MTD) using toxicity. A minimum of three subjects will be enrolled into each cohort. The first cohort will receive a total dose of 3E11 vg. The second cohort will receive 1E12 vg total dose.


Clinical Trial Description

The primary objective of this study is the assessment of the safety of an intramuscular administration of rAAVrh74.MCK.micro-Dystrophin to the Extensor Digitorum Brevis (EDB) muscle of patients with Duchenne Muscular Dystrophy (DMD). Safety will be assessed by changes in hematology, serum chemistry, urinalysis, immunologic response to rAAVrh74 and micro-Dystrophin protein, and reported history and observations of symptoms. Subjects will be evaluated at baseline, injection visit (days 0-2), and return for follow up visits on days 7, 14, 30,60, 90, and 180 and at the end of 1st and 2nd years. On Day 180, subjects will undergo a muscle biopsy on the injected muscles in one foot compared with placebo-treatment in the opposite foot to establish transgene expression and any potential toxicity from gene transfer. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02376816
Study type Interventional
Source Nationwide Children's Hospital
Contact
Status Completed
Phase Phase 1
Start date March 2015
Completion date September 2017

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