Speech Processing in Stuttering

NCT ID: NCT04929184

Last Updated: 2025-07-03

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

143 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-04-04

Study Completion Date

2025-06-16

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

This research is being done to better understand stuttering, specifically how people who stutter may process and/or produce speech. Eligible participants enrolled will complete a variety of computer and speech-based tasks on up to 2 visits.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

The study team will update the record to include the secondary identification number once the NIH has released the funds.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Stuttering Stuttering, Childhood Stuttering, Adult

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Adults who stutter (AWS)

Participants will have 2 visits.

Group Type EXPERIMENTAL

Speech and non-speech tasks

Intervention Type BEHAVIORAL

Participants will complete speech tasks such as listening to and/or producing speech and non-speech sounds.

Healthy Adults

Participants will have 2 visits.

Group Type OTHER

Speech and non-speech tasks

Intervention Type BEHAVIORAL

Participants will complete speech tasks such as listening to and/or producing speech and non-speech sounds.

Children who Stutter

Participants will have 1 visit.

Group Type EXPERIMENTAL

Speech and non-speech tasks

Intervention Type BEHAVIORAL

Participants will complete speech tasks such as listening to and/or producing speech and non-speech sounds.

Healthy Children

Participants will have 1 visit.

Group Type OTHER

Speech and non-speech tasks

Intervention Type BEHAVIORAL

Participants will complete speech tasks such as listening to and/or producing speech and non-speech sounds.

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Speech and non-speech tasks

Participants will complete speech tasks such as listening to and/or producing speech and non-speech sounds.

Intervention Type BEHAVIORAL

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* 18-65 years old
* English as primary language
* Normal speech, language, hearing, cognition


* Aged 18-65 years
* English as primary language
* Normal speech, language, hearing, cognition (other than stuttering)
* Currently stutters


* Aged 6 to 17 years
* English as primary language
* Normal speech, language, hearing, cognition


* Aged 6 to 17 years
* English as primary language
* Normal speech, language, hearing, cognition (other than stuttering)
* Currently stutters

Exclusion Criteria

* Personal or family history of stuttering
* Major medical or psychiatric illness


* Speech therapy within the past year
* Major medical or psychiatric illness


* Personal or family history of stuttering
* Major medical or psychiatric illness
* Language/motor delay


* Major medical or psychiatric illness
* Language/motor delay
Minimum Eligible Age

6 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

National Institute on Deafness and Other Communication Disorders (NIDCD)

NIH

Sponsor Role collaborator

University of Michigan

OTHER

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Emily O'Dell Garnett

Research Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Emily Garnett, PhD

Role: PRINCIPAL_INVESTIGATOR

University of Michigan

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

University of Michigan

Ann Arbor, Michigan, United States

Site Status

Michigan State University

East Lansing, Michigan, United States

Site Status

Countries

Review the countries where the study has at least one active or historical site.

United States

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

1R21DC019429-01

Identifier Type: NIH

Identifier Source: secondary_id

View Link

HUM00194953

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

Spacing Lidcombe Program Clinic Visits
NCT00680303 UNKNOWN PHASE2
Stuttering and Neuromodulation
NCT07222163 RECRUITING NA