Examining the Spasmodic Dysphonia Diagnosis and Assessment Procedure (SD-DAP) for Measuring Symptom Change

Withdrawn before enrolling

Conditions studied: Spasmodic Dysphonia, Laryngeal Dystonia

In brief

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.

Key facts

Study ID

NCT02061943

Run by

Emory University

People needed

0

Starts

2015-10-01

Expected to finish

2016-04-01

Last updated by the study team

2016-05-30

Who can join

Age: 18 and older, up to 85. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• be clinically diagnosed with primary spasmodic dysphonia (laryngeal dystonia)
• be 18 years of age or older

You may not qualify if…

• 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)

Where it is running

• Emory University — Atlanta, Georgia, United States
• Washington University in St. Louis — St Louis, Missouri, United States

Full record on ClinicalTrials.gov

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