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Aerodynamic Measurements in the Pediatric Population

Who can join

Ages 4 to 65 · All sexes · Healthy volunteers welcome

Inclusion Criteria - Healthy Control:

* Age 4-65 years
* Normal voice
* No history of voice or other pertinent health disorders

Exclusion Criteria - Healthy Control:

* Neuromuscular disorder affecting the larynx
* History of respiratory or laryngeal disease
* History of smoking
* Hearing impairment
* Cognitive impairment that might impact ability to perform the tasks required by the study

Inclusion Criteria - Abnormal Voice:

* Age 4-17
* Laryngeal pathology

Exclusion Criteria - Abnormal Voice:

* No laryngeal disorder

About the study

The goal of this clinical trial is to create a vocal health database of people aged 4-65 with no diagnosed voice pathology. The main question it aims to answer is:

* what is the best way to assess pediatric voices; and, * what are the differences between healthy and dysphonic pediatric voices?

Participants will complete one 60 minute session involving one of three types of aerodynamic interruption.

What is being tested

• Complete airflow interruption (device)
• Incomplete airflow interruption (device)
• Airflow redirection (device)

Sponsor: University of Wisconsin, Madison · Participants: 365 · Started: Dec 22, 2025

Contact the study team

• Jack Jiang, MD · Phone: 608-265-7888

Official record on ClinicalTrials.gov — NCT06975046

Locations in the U.S.

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.