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Design Therapeutics Announces Initiation of Patient Dosing in Phase 1 Multiple Ascending Dose Trial of DT-818 for Myotonic Dystrophy Type-1

$DSGNPress releaseJun 30, 2026, 8:00 AM ETRead the release

Design Therapeutics announced the initiation of patient dosing in a Phase 1 multiple-ascending dose (MAD) trial of DT-818 for adults with myotonic dystrophy type-1 (DM1). DT-818 is a GeneTAC(®) small molecule designed to selectively reduce transcription of the mutant DMPK allele to address the underlying genetic cause of the disease.

Key figures

Drug Name
DT-818
Phase Of Trial
Phase 1

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