Spasmodic Dysphonia Clinical Trial
Official title:
Validity and Reliability of the Spasmodic Dysphonia Diagnosis and Assessment Procedure (SD-DAP) for Quantifying Symptom Change
Verified date | May 2016 |
Source | Emory University |
Contact | n/a |
Is FDA regulated | No |
Health authority | United States: Institutional Review Board |
Study type | Observational |
This is a study of patients with spasmodic dysphonia to determine how best to measure the severity of the disorder in patients. It addresses which characteristics of speech are the best indicator of whether or not a particular treatment has benefited a person with spasmodic dysphonia. We hope to recruit 20 participants each at 2 different centers. The evaluation for each participant will be done on a two visits, one just before and another several weeks after treatment.
Status | Withdrawn |
Enrollment | 0 |
Est. completion date | April 2016 |
Est. primary completion date | April 2016 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years to 85 Years |
Eligibility |
Inclusion Criteria: - be clinically diagnosed with primary spasmodic dysphonia (laryngeal dystonia) - be 18 years of age or older Exclusion Criteria: - be diagnosed with secondary spasmodic dysphonia (laryngeal dystonia) - be younger than 18 years of age - unable to complete questionnaires - not able to have a nasolaryngoscopy (examination of the voice box with a medical periscope) |
Observational Model: Case-Only, Time Perspective: Prospective
Country | Name | City | State |
---|---|---|---|
United States | Emory University | Atlanta | Georgia |
United States | Washington University in St. Louis | St. Louis | Missouri |
Lead Sponsor | Collaborator |
---|---|
Emory University | National Institute of Neurological Disorders and Stroke (NINDS), Office of Rare Diseases (ORD) |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | SD-DAP | Identify items within the SD-DAP that are sensitive to symptom reduction when participants with spasmodic dysphonia are treated with botulinum toxin. | 2-4 weeks | No |
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