Study of ARO-DM1 in Subjects With Type 1 Myotonic Dystrophy

Trial statusRecruiting
Trial phasePhase 1, Phase 2
Trial typeInterventional
Biological sexAll
Age18-65
SponsorArrowhead Pharmaceuticals

About this trial

This is a phase 1/2a double-blinded, placebo-controlled, dose-escalating study to evaluate the safety, tolerability, pharmacokinetics (PK) and pharmacodynamics (PD) of single and multiple ascending doses of ARO-DM1 compared to placebo in male and female subjects with type 1 myotonic dystrophy (DM1). Participants who have provided written informed consent and met all protocol eligibility requirements will be randomized to receive single (Part 1) or multiple (Part 2) doses of ARO-DM1 or placebo.

Eligibility criteria

Qualifiers

Genetically confirmed diagnosis of DM1

Clinician-assessed signs of DM1 including clinically apparent myotonia

Onset of DM1 symptoms occurred after the age of 12 years

Walk for at least 10 meters independently at Screening

Disqualifiers

Inadequately controlled diabetes

Confirmed diagnosis of congenital DM1

Uncontrolled hypertension

History of tibialis anterior (TA) biopsy within 3 months of Day 1 or planning to undergo TA biopsies during the study period

Trial design

Treatments tested in this trial

  • ARO-DM1 Intravenous (IV) Infusion
  • Placebo Intravenous (IV) Infusion
  • ARO-DM1 subcutaneous (SC) injection
  • Placebo Subcutaneous (SC) Injection

Treatment groups

78 Participants
are divided into 4 treatment groups

Sponsors and collaborators