Patients With and Without Phonotrauma
Defining Clinically Important Differences in Cepstral and Spectral Measures in Individuals With and Without Phonotrauma
1 other identifier
observational
100
1 country
1
Brief Summary
There is a substantial need to identify objective measures associated with hyperadduction of the vocal folds to recognize those at higher risk of developing phonotrauma so that risk mitigation strategies can be implemented before phonotrauma develops. The overall objective of this proposed project is to investigate the sensitivity and direction of change in cepstral peak prominence (CPP) and the magnitude difference between the first two harmonics of the voice spectrum (H1-H2) in response to varied phonation patterns, which will be addressed using the following two aims: Aim 1: Determine how CPP and H1-H2 change as a function of using pressed voice production in individuals without laryngeal pathology. Aim 2: Examine the sensitivity (minimally detectable change) and responsiveness (minimal clinically important difference) of CPP and H1-H2 to detect changes in different voice production conditions.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
Started Jan 2023
Typical duration for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 2, 2022
CompletedFirst Posted
Study publicly available on registry
November 22, 2022
CompletedStudy Start
First participant enrolled
January 17, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 30, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
December 30, 2025
CompletedJuly 30, 2025
July 1, 2025
3 years
November 2, 2022
July 28, 2025
Conditions
Outcome Measures
Primary Outcomes (3)
Cepstral Peak Prominence
Cepstral peak prominence is a measure of the periodic energy of the acoustic voice signal.
1 year
The difference between the first and second harmonic (H1-H2)
H1-H2 is a spectral measure derived from the acoustic voice signal that correlates with glottal configuration.
1 year
Average closing velocity
Vocal fold closing phase velocity averaged across 100 vibratory cycles
1 year
Study Arms (2)
Control Group- Without Phonotrauma
Videoendoscopy and acoustic recordings using a head-mounted microphone with a voice-specialized SLP for participants without voice disorders, acoustic recordings will involve the five repetitions of three vowels (/ɑ, i, u/) and a standard reading passage (Rainbow Passage) in three voice conditions (breathy, typical, and pressed). For all participants, high-speed videoendoscopy and simultaneous acoustic recording will occur on one repetition of a sustained /i/ in each requested condition.
Patients Diagnosed with Phonotrauma
Videoendoscopy and acoustic recordings using a head-mounted microphone with a voice-specialized SLP for Participants who have a diagnosis of phonotrauma will be instructed to produce five repetitions of the same three vowels but in only two conditions: typical voice and "resonant" voice following stimulability assessment and with cues. They will be instructed to maintain relatively consistent volume and pitch across conditions. For all participants, high-speed videoendoscopy and simultaneous acoustic recording will occur on one repetition of a sustained /i/ in each requested condition.
Interventions
Acoustic recordings will involve the five repetitions of three vowels (/ɑ, i, u/) and a standard reading passage (Rainbow Passage) in different voice conditions. Control participants will produce voice in breathy, typical, and pressed conditions. Patient participants will produce voice in typical production and in a resonant voice production. High-speed videoendoscopy and simultaneous acoustic recording will occur on one repetition of a sustained /i/ in each requested condition. Data will be collected using a head-mounted microphone.
High-speed videoendoscopy will occur on one repetition of a sustained /i/ in each requested condition. Exams will be recorded using the Phantom V311 high-speed camera (Vision Research, Wayne, NJ) connected to a Storz 70° rigid laryngoscope using a 400 Watt Xenon light source (Titan 400E).
Eligibility Criteria
Patients (18-65 years of age) with a diagnosis of phonotrauma will be recruited from the laryngology clinics at UTSW Voice Center. All patients who are diagnosed with phonotraumatic vocal fold lesions (including vocal fold nodules, phonotraumatic polyps, mid-fold edema, and pseudocysts) will be referred for enrollment. Individuals without phonotrauma (18-65 years of age) will be recruited for the control group.
You may qualify if:
- years of age (to avoid confounding physiological factors related to puberty or presbyphonia)
- No history of or current voice disorder
- Auditory perceptual presentation globally within functional limits (as determined by a voice specialized SLP).
You may not qualify if:
- Atypical auditory-perceptual voice presentation
- History of voice disorder or laryngeal surgery.
- Patient Group:
- Diagnosed with phonotrauma (i.e., vocal fold nodules, vocal fold polyp, vocal fold pseudocyst, mid-fold edema) by a laryngologist.
- years of age
- Diagnosis of voice disorder not related to phonotrauma (e.g., vocal fold immobility, laryngeal dystonia, primary muscle tension dysphonia, etc.)
- Previous history of laryngeal surgery or voice therapy (to avoid confounding effects of previous treatment).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
UT Southwestern Medical Center
Dallas, Texas, 75235, United States
Related Publications (6)
Hillman RE, Stepp CE, Van Stan JH, Zanartu M, Mehta DD. An Updated Theoretical Framework for Vocal Hyperfunction. Am J Speech Lang Pathol. 2020 Nov 12;29(4):2254-2260. doi: 10.1044/2020_AJSLP-20-00104. Epub 2020 Oct 2.
PMID: 33007164BACKGROUNDVerdolini K, Hess MM, Titze IR, Bierhals W, Gross M. Investigation of vocal fold impact stress in human subjects. J Voice. 1999 Jun;13(2):184-202. doi: 10.1016/s0892-1997(99)80022-8.
PMID: 10442749BACKGROUNDKlatt DH, Klatt LC. Analysis, synthesis, and perception of voice quality variations among female and male talkers. J Acoust Soc Am. 1990 Feb;87(2):820-57. doi: 10.1121/1.398894.
PMID: 2137837BACKGROUNDAwan SN, Roy N, Jette ME, Meltzner GS, Hillman RE. Quantifying dysphonia severity using a spectral/cepstral-based acoustic index: Comparisons with auditory-perceptual judgements from the CAPE-V. Clin Linguist Phon. 2010 Sep;24(9):742-58. doi: 10.3109/02699206.2010.492446.
PMID: 20687828BACKGROUNDMurton O, Hillman R, Mehta D. Cepstral Peak Prominence Values for Clinical Voice Evaluation. Am J Speech Lang Pathol. 2020 Aug 4;29(3):1596-1607. doi: 10.1044/2020_AJSLP-20-00001. Epub 2020 Jul 13.
PMID: 32658592BACKGROUNDToles LE, Ortiz AJ, Marks KL, Burns JA, Hron T, Van Stan JH, Mehta DD, Hillman RE. Differences Between Female Singers With Phonotrauma and Vocally Healthy Matched Controls in Singing and Speaking Voice Use During 1 Week of Ambulatory Monitoring. Am J Speech Lang Pathol. 2021 Jan 27;30(1):199-209. doi: 10.1044/2020_AJSLP-20-00227. Epub 2021 Jan 20.
PMID: 33472007BACKGROUND
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Assistant Professor
Study Record Dates
First Submitted
November 2, 2022
First Posted
November 22, 2022
Study Start
January 17, 2023
Primary Completion
December 30, 2025
Study Completion
December 30, 2025
Last Updated
July 30, 2025
Record last verified: 2025-07