Clinical Trial: A Multicenter, Observational Study to Evaluate Clinical Manifestation, Diagnosis and Treatment of Primary Hemifacial Spasm in Chinese Patients

Study Status: Completed
Recruit Status: Completed
Study Type: Observational

Official Title:

Brief Summary: To determine the clinical manifestation, diagnosis and treatment options of primary hemifacial spasm in Chinese outpatient subjects

Detailed Summary: About 1000 outpatient subjects will be recruited. The inclusion criteria include clinically diagnosed primary hemifacial spasm, male or female 18 to 80 years old and informed consent has been obtained. The exclusion criteria include secondary hemifacial spasm, other involuntary facial movement disorder, history of surgery of microvascular decompression of the facial nerve and so on. The outcome measures include the percentage of the treatment methods of HFS in outpatient subjects, aggrevated and relieved factors of HFS symptom, concomitant symptoms of HFS and adverse events of botulinum toxin treatment in HFS patients.
Sponsor: Peking Union Medical College Hospital

Current Primary Outcome: The percentage of the treatment methods of HFS in outpatient subjects [ Time Frame: November, 2012 ]

Original Primary Outcome: Same as current

Current Secondary Outcome:

  • Distribution of onset age of hemifacial spasm patients [ Time Frame: November, 2012 ]
  • Analysis of aggrevated and relieved factors of HFS symptom [ Time Frame: November, 2012 ]
  • Analysis of concomitant symptoms of hemifacial spasm [ Time Frame: November, 2012 ]
  • Adverse events of botulinum toxin treatment in hemifacial spasm [ Time Frame: November, 2012 ]


Original Secondary Outcome: Same as current

Information By: Peking Union Medical College Hospital

Dates:
Date Received: November 13, 2012
Date Started: February 2012
Date Completion:
Last Updated: November 13, 2012
Last Verified: November 2012