Status:

RECRUITING

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

Lead Sponsor:

Arrowhead Pharmaceuticals

Conditions:

Myotonic Dystrophy 1

Eligibility:

All Genders

18-65 years

Phase:

PHASE1

PHASE2

Brief Summary

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 do...

Eligibility Criteria

Inclusion

  • 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
  • Subjects of childbearing potential must agree to use highly effective contraception in addition to a condom during the study and for at least 90 days following the end of study or last dose of study drug, whichever is later. Subjects must not donate sperm or eggs during the study and for at least 90 days following the end of study or last dose of study drug whichever is later.

Exclusion

  • 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
  • Clinically significant cardiac, liver or renal disease
  • HIV infection (seropositive) at Screening
  • Seropositive for hepatitis B (HBV) or hepatitis C (HCV) at screening
  • Untreated or poorly controlled epilepsy
  • Treatment with anti-myotonia medication within a period of 5 half-lives of the medication prior to Screening.
  • Abnormal coagulation parameters at Screening including platelet count, international normalized ratio (INR), prothrombin time, and activated partial thromboplastin time (APTT)
  • Note: Additional inclusion/exclusion criteria may apply per protocol

Key Trial Info

Start Date :

March 4 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 1 2026

Estimated Enrollment :

78 Patients enrolled

Trial Details

Trial ID

NCT06138743

Start Date

March 4 2024

End Date

December 1 2026

Last Update

November 7 2025

Active Locations (11)

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Page 1 of 3 (11 locations)

1

Research Site

Liverpool, New South Wales, Australia, 2170

2

Research Site

Birtinya, Queensland, Australia, 4575

3

Research Site

Herston, Queensland, Australia, 4029

4

Research Site

Melbourne, Victoria, Australia, 3004