Straw Phonation Exercise Program for Pitch Extension

Running, not enrolling · Not applicable

Conditions studied: Voice Fatigue, Voice Disorders, Voice Hoarseness

In brief

To investigate the change in fundamental frequency range and vocal fold stability achievable with vocal fold stretching exercise in human populations with high and low vocal activity

Key facts

Study ID

NCT05357222

Run by

University of Utah

People needed

120

Starts

2021-11-16

Expected to finish

2026-12-31

Last updated by the study team

2026-03-27

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Participants must be 18 years or older
• no current voice disorder
• no history of performance or professional vocal training

You may not qualify if…

• history of head/neck cancer, laryngeal surgery, current voice disorder requiring medical management
• cognitive limitations that would prevent them from successfully and safely participating in the study.
• history of gastrointestinal disease or surgery w
• no known neurological or structural abnormalities of vocal folds
• previous laryngeal surgeries;
• allergies to local anesthetics (used to suppress a sensitive gag reflex during laryngeal endoscopic examination);
• cardiac abnormalities;
• recent history of smoking (must be completely smoke-free for six months prior to study commencement because of the effect of smoking on the voice and laryngopharyngeal reflux severity).

Where it is running

• University of Utah — Salt Lake City, Utah, United States

Full record on ClinicalTrials.gov

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