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ClinicalTrials.gov public records Last synced May 21, 2026, 7:12 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 26 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Speech Intelligibility Clear all
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Hearing Loss, Adult-Onset, Speech Intelligibility, Hearing Loss, Extreme
Interventions
Cochlear implant
Device
Lead sponsor
Craig D. Workman, PhD
Other
Eligibility
18 Years to 99 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Speech Intelligibility, Aging
Interventions
Auditory-cognitive training paradigm
Behavioral
Lead sponsor
University of Maryland, College Park
Other
Eligibility
18 Years to 30 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
College Park, Maryland
Source: ClinicalTrials.gov public record
Updated May 29, 2023 · Synced May 21, 2026, 7:12 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Hearing Loss, Age-Related, Speech Intelligibility, Psychosocial Functioning
Interventions
Group Singing, Audiobook Club
Behavioral
Lead sponsor
Toronto Metropolitan University
Other
Eligibility
60 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced May 21, 2026, 7:12 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Cerebral Palsy (CP), Intelligibility, Speech, Augmentative and Alternative Communication
Interventions
AAC Speech supplementation
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
7 Years to 17 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced May 21, 2026, 7:12 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hearing Loss, Dizziness, Vertigo, Fall Related Injury Risk, Fall Prevention, Imbalance, Speech Intelligibility
Interventions
Hearing aids equipped with motion sensing abilities
Device
Lead sponsor
Stanford University
Other
Eligibility
55 Years and older
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced May 21, 2026, 7:12 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hearing Loss
Interventions
hearing aid condition
Other
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Years to 80 Years
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 23, 2025 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Hearing Loss
Interventions
Roger microphone, Phonak Audeo hearing aid
Device
Lead sponsor
Sonova AG
Industry
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 12, 2023 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Parkinson Disease
Interventions
Understand Me For Life
Device
Lead sponsor
Long Island University
Other
Eligibility
30 Years to 85 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Auditory Perception, Memory, Hearing Impairment
Interventions
quiet, non-speech noise, speech noise
Other
Lead sponsor
Portland VA Medical Center
Federal
Eligibility
18 Years to 88 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 15, 2011 · Synced May 21, 2026, 7:12 PM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Down Syndrome
Interventions
Speech therapy addressing phonology and motor learning
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
7 Years to 16 Years · Male only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Hearing Loss, Bilateral or Unilateral
Interventions
Phonak Audeo Infinio Hearing Aid
Device
Lead sponsor
Sonova AG
Industry
Eligibility
18 Years to 95 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Aurora, Illinois
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hearing Loss, Sensorineural, Hearing Loss
Interventions
New Receiver-in-Canal Device, Legacy Receiver-in-Canal Device
Device
Lead sponsor
Starkey Laboratories, Inc
Industry
Eligibility
18 Years to 99 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Eden Prairie, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 17, 2022 · Synced May 21, 2026, 7:12 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Parkinson's Disease, Dysarthria
Interventions
SpeechEasy Model ITC
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
25 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 17, 2013 · Synced May 21, 2026, 7:12 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Speech Intelligibility, Aging
Interventions
Auditory-cognitive training paradigm, Auditory training paradigm
Behavioral
Lead sponsor
University of Maryland, College Park
Other
Eligibility
65 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
2
States / cities
College Park, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 7, 2025 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy
Interventions
Solo: Unmasked Speech Stimuli, Raw: Fully masked speech--no motion stimuli, StatScrub: Extracted Speech--no motion stimuli, SlideSpch: Scrubbed Speech emitted from linearly moving speaker stimuli, SlideNoise: Speech Scrubbed from linearly moving and stationary noise stimuli, SlideMic: Stationary sources scrubbed from a linearly moving mic stimuli
Behavioral
Lead sponsor
Speech Technology and Applied Research Corp.
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Rehabilitation of Speech and Language Disorders, Speech Disorders, Speech, Alaryngeal, Communication Aids for Disabled, Speech Perception, Speech Intelligibility
Interventions
Experimental System: MyoVoice, Reference System: Electrolarynx
Device
Lead sponsor
Altec Inc.
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 22, 2024 · Synced May 21, 2026, 7:12 PM EDT
Recruiting Early Phase 1 Interventional
View directory record Official record
Conditions
Parkinson Disease
Interventions
Immediate treatment, Deferred treatment
Behavioral
Lead sponsor
Teachers College, Columbia University
Other
Eligibility
50 Years to 80 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Hearing Loss
Interventions
Phonak Audeo hearing aid, Phonak hearing aid with multiple directionality settings, adjustable via a mobile app
Device
Lead sponsor
Sonova AG
Industry
Eligibility
18 Years to 90 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Aurora, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Dysarthria, Intelligibility, Speech
Interventions
Perceptual Training
Behavioral
Lead sponsor
Utah State University
Other
Eligibility
18 Years to 80 Years
Enrollment
217 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Tallahassee, Florida • Logan, Utah
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced May 21, 2026, 7:12 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Down Syndrome, Speech and Language Disorder, Speech Disorders in Children, Speech Intelligibility, Speech Sound Disorder
Interventions
AAC Generative Language Intervention, Standard of Care / Business as Usual
Behavioral
Lead sponsor
University of Central Florida
Other
Eligibility
3 Years to 4 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
2
States / cities
Orlando, Florida • Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 7, 2024 · Synced May 21, 2026, 7:12 PM EDT
Not listed No phase listed Observational
View directory record Official record
Conditions
Parkinson Disease, Dysarthria
Interventions
Not listed
Lead sponsor
Jeremy Greenlee
Other
Eligibility
21 Years to 84 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Dec 21, 2023 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Mechanical Complication of Tracheostomy
Interventions
Blom Low Profile Voice Cannula/Passty-Muir Speaking Valves
Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 12, 2014 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Noninvasive Ventilation, Speech Intelligibility
Interventions
Noninvasive Ventilation Mask Microphone
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 31, 2022 · Synced May 21, 2026, 7:12 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Dysarthria, Hypokinetic
Interventions
Listener Training
Behavioral
Lead sponsor
Utah State University
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
2
States / cities
Tallahassee, Florida • Logan, Utah
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced May 21, 2026, 7:12 PM EDT