CompletedNot Applicable

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

China1,003 participantsStarted 2012-02

Plain-language summary

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

Age range18 Years – 80 Years

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

✓.Clinically diagnosed primary hemifacial spasm
✓. Tonic and clonic contractions of muscles innervated by the unilateral facial nerve.
✓. No other neurological disorder. 2.Male or female 18 to 80 years old 3.Informed consent has been obtained

✕. Secondary hemifacial spasm: brainstem tumor, surgery, facial neuritis and so on.
✕. Other involuntary facial movement disorder: facial synkinesia after facial palsy, tics, myokymia and focal motor seizures.
✕. History of surgery of microvascular decompression of the facial nerve.
✕. Participation in another clinical study currently.
✕. Not able to understand and answer questionnaire.
✕. Investigator's opinion that the subject has a concurrent condition(s) that may confound the study results.

The percentage of the treatment methods of HFS in outpatient subjects

Timeframe: November, 2012

NCT IDNCT01728428

SponsorPeking Union Medical College Hospital

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2012-09