Trial intelligence / Profile preview

Mexiletine in Non-Dystrophic Myotonia

NCT00832000Phase 2

Key facts

Status
Completed
Start
Dec 2008
Primary completion
Mar 2011
Countries
4
Modality
Orthosteric Ligands
Conditions
non-dystrophic myotonia (NDM)
01

Overview

Phase 2, randomised, double-blind trial in non-dystrophic myotonia (NDM) comparing Mexiletine First with Placebo First (2 arms). Primary endpoint: Patient-reported Stiffness on the IVR. Started Dec 2008; status: completed.

02

Design

2 arms
Study design
RandomizedDouble-blind
  • Mexiletine First

    Mexiletine -> Washout -> Placebo

  • Placebo First

    Placebo -> Washout -> Mexiletine

03

Who it enrols

Patients with clinical symptoms or signs of myotonic disorders and myotonic potentials on EMG. Excludes patients with DM1/DM2, cardiac conduction defects, or use of certain antiarrhythmic or myotonia-inducing medications.

04

Endpoints

Primary

  • Patient-reported Stiffness on the IVR

Secondary

  • Patient Reported Pain on the IVR

  • Patient Reported Weakness on the IVR

  • Patient Reported Tiredness on the IVR

  • Quantitative Measure of Hand Grip Myotonia

  • Compound Motor Action Potentials After Short Exercise Test

  • Graded Myotonia by Needle Electromyography - Right Abductor Digiti Minimi

  • Clinical Hand Grip Myotonia Evaluation

  • Clinical Eye Closure Myotonia Evaluation

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