Cervical Dystonia
Conditions
Keywords
CD phase III
Brief summary
The purpose of this study is to test the hypothesis that the efficacy and safety of Meditoxin® are not inferior to Botox®'s in the treatment of Cervical Dystonia.
Detailed description
The allocated subject is injected Investigational Product(Meditoxin® or Botox®) 200\ 300U in cervical muscles. The efficacy and safety are evaluated for 12weeks through 4 follow up visits.
Interventions
Intramuscular injection up to 300U.
Intramuscular injection up to 300U.
Sponsors
Study design
Eligibility
Inclusion criteria
* Men and women aged between 20 and 75. * Patient who is diagnosed with primary cervical dystonia over 1 year. * Patients whose total score is over 20 in TWSTRS and the severity score is over 10 in TWSTRS. * For patients with prior treatments of Botox®, over 12 weeks have passed. * Patients who voluntarily sign the informed consent * Patients who can comply with the study procedures and visit schedule
Exclusion criteria
* Patient who has been diagnosed with pure anterocollis. * Patient who has been diagnosed with neuromuscular disorder(myasthenia gravis, Eaton-Lambert syndrome, amyotrophic lateral sclerosis, etc.)\\ * Severe respiratory function disorder or dysphasia * Allergy in Investigational Product. * Pregnant women, breast feeding women and patients disagreeing to use an acceptable contraception method * Investigator's decision.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Change in TWSTRS score | 1 month | Change in Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS) total score after 1 month of administration. The scale consists scores from 0 to 35 which corresponds to disorder severity, 35 being the most severe. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Safety Analysis of Investigational Product: Number of adverse events occuring during the clinical trial | 1, 2, 3 months | Number of adverse events occuring during the clinical trial. |
| Change in TWSTRS score | 1, 2, 3 months | Change in Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS) score after 1, 2, and 3 month of administration. The scale consists scores from 0 to 35 which corresponds to disorder severity, 35 being the most severe. |