U.S., March 21 -- ClinicalTrials.gov registry received information related to the study (NCT06886750) titled 'The Effects of Waning of Botulinum Toxin in the Treatment of Cervical Dystonia' on Feb. 20.
Brief Summary: The main treatment for cervical dystonia is botulinum toxin injections. However, some patients receiving this treatment after many years tend to experience short duration of benefit. Typically, botulinum toxin brands used in clinic are Botox or Xeomin. Another type of botulinum toxin is called Dysport (Ipsen Biopharmaceuticals), and Dysport may increase duration of benefit from the injections. The study is selecting patients from the investigator's clinics who are not satisfied with the duration of their treatment and are will...