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Improvement in Acoustic Voice Characteristics in Functional Dysphonia After Therapy

NCT02518425 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 50

Last updated 2016-05-16

No results posted yet for this study

Summary

In a retrospective analysis of already existing clinical assessment data from patients with functional voice disorders the following aspects will be sampled, encoded and analysed: Outcomes pre and post treatment of

1. subjective voice symptoms measured by Voice Handicap Index (VHI-9i),
2. perceptual voice symptoms according to Grading-Roughness-Breathiness-Asthenia-Strain Scale (GRBAS Scale),
3. instrumental acoustic analysis parameters Jitter (%), speaking voice profile: mean and range of speaking pitch and intensity, max. intensity and mean pitch of calling voice, singing voice: min./max. and range of pitch and intensity, maximum phonation time, Dysphonia Severity Index (DSI).

Conditions

  • Functional Voice Disorder

Sponsors & Collaborators

  • University of Zurich

    lead OTHER

Principal Investigators

  • Joerg E Bohlender, MD · University Hospital Zurich, Department of Otorhinolaryngology

Eligibility

Min Age
20 Years
Max Age
70 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2015-04-30
Primary Completion
2015-12-31
Completion
2015-12-31

Countries

  • Switzerland

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02518425 on ClinicalTrials.gov