Brief Description
To evaluate the long-term safety and tolerability of AOC 1001 in DM1 patients.
THIS STUDY IS ENROLLING BY INVITATION ONLY - The study will invite participants with DM1 who completed a prior study with AOC 1001 to participate.
Detailed Description
This global Phase 3 open-label extension (OLE) study will continue to evaluate the safety, tolerability, and efficacy of AOC 1001 in DM1 patients who have satisfactorily completed any parent study assessing AOC 1001. All participants who enroll in AOC 1001-CS4 will receive AOC 1001 regardless of whether they received AOC 1001 or placebo in a parent study.
The study consists of a Screening Period of up to either 4-weeks or 8-weeks depending on the prior parent trial, and up to a 4-year Treatment Period. The anticipated duration is 50 months and 2 weeks (4 years and 2.5 months).
Participants will receive an intravenous infusion of del-desiran at the clinical study site every 8 weeks for a total of 7 doses per year. The final dose will occur at Year 4, Visit 7, followed by a final assessment 8 weeks after the last dose.