Clinical Trial of Vitamin E to Treat Muscular Cramps in Patients With ALS

Status Completed

Clinical Trial Summary

Muscular cramps are a common and uncomfortable symptom of amyotrophic lateral sclerosis (ALS). This clinical trial will compare the response of high dose vitamin E supplementation to placebo for treatment of muscular cramps in patients with ALS. We hypothesize that vitamin E will be more effective than placebo in treating cramps.

Clinical Trial Description

This will be a single centre randomized placebo controlled crossover design trial. Participants will be randomized at study entry to protocol A (vitamin E first) or protocol B (placebo first). The first 2 weeks of the study will be a baseline assessment of the frequency, severity and duration of cramps. Patients will be blinded for the remainder of the duration of the study. For weeks 3-6 of the study, group A will receive vitamin E 800 IU bid and group B will receive placebo. For weeks 7-10 of the study, group A will receive placebo and group B will receive vitamin E. Participants will record cramp frequency and characteristics via a daily journal for the duration of the study, however the data analysis will focus on cramp frequency only during weeks 5-6 and 9-10. Weeks 3-4 and 7-8 will be used as time periods to allow the new drug to come to steady state and allow for washout of the previous drug. Data analysis will focus on the difference in cramp frequency in individual patients in each treatment period. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00372879
Study type	Interventional
Source	Lawson Health Research Institute
Contact
Status	Completed
Phase	Phase 3
Start date	December 2006
Completion date	August 2010

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