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Clinical Trial Summary

This is a multicenter, phase 2 study to evaluate the safety, tolerability, pharmacodynamics (PD), efficacy, and pharmacokinetics (PK) of ACE-083 in patients with Charcot-Marie-Tooth Disease Type 1 and Type X (CMT1 and CMTX), to be conducted in two parts. Part 1 is non-randomized, open-label, dose-escalation and Part 2 is randomized, double-blind, and placebo-controlled.


Clinical Trial Description

Part 1 (non-randomized, open-label, dose-escalation) Part 1 will consist of up to 3 cohorts of 6 patients each and will evaluate multiple ascending dose levels of ACE-083 administered bilaterally once every 3 weeks for up to 5 doses in the tibialis anterior (TA) muscle. Patients in each cohort will be enrolled in a 4-week screening period before beginning treatment. Part 2 (randomized, double-blind, placebo-controlled) Prior to the initiation of Part 2, a review of safety and efficacy data from Part 1 will be conducted by the Safety Review Team (SRT) to determine the recommended dose level (maximum 250 mg/muscle). A total of up to 40 new patients may be enrolled and randomized (1:1 randomization) to receive either ACE 083 (n=20) or placebo (n=20) bilaterally by injection into both TA muscles once every 3 weeks for up to 17 doses. Study duration for Parts 1 and 2 for each patient will be approximately 24 weeks, including a 4-week screening period, a 12-week treatment period, and an 8-week follow-up period after the last dose. Study duration for Part 2 will be 15 months, including 4-week screening, 6 months double blind placebo-controlled, 6 months open-label and 8 week follow-up. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03124459
Study type Interventional
Source Acceleron Pharma Inc. (a wholly owned subsidiary of Merck Sharp and Dohme, a subsidiary of Merck & Co., Inc.)
Contact
Status Terminated
Phase Phase 2
Start date July 31, 2017
Completion date March 11, 2020

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