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Stuttering clinical trials recruiting in the U.S.
15 studies for Stuttering are recruiting participants at sites across the United States.
Learn about stuttering, or stammering, a speech disorder that affects the flow of your speech. It is more common in children, who often outgrow it.
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Recently updated studies
Noninvasive Thalamocortical Neuromodulation With Low-Intensity Focused Ultrasound for Persistent Developmental Stuttering
Recruiting
Ages 18 to 65 ยท All sexes ยท Updated Sep 15, 2026 ยท NCT07668882Stuttering and Neuromodulation
Recruiting
Ages 18 to 65 ยท All sexes ยท Updated Sep 2, 2026 ยท NCT07222163Speech Signals in Stuttering
RecruitingHealthy volunteers welcome
Ages 5 to 17 ยท All sexes ยท Updated Sep 1, 2026 ยท NCT05668923Dopamine and Sensorimotor Function in Stuttering
RecruitingPhase 1Healthy volunteers welcome
Ages 18 to 65 ยท All sexes ยท Updated Aug 19, 2026 ยท NCT07215884Using Transcranial Magnetic Stimulation to Treat Stuttering
Recruiting
Ages 18 to 65 ยท All sexes ยท Updated Aug 5, 2026 ยท NCT07389694Lumateperone in the Treatment of Stuttering, Childhood Onset Fluency Disorder
RecruitingPhase 2
Ages 18 to 65 ยท All sexes ยท Updated Jul 29, 2026 ยท NCT07734103Investigating Individual Differences in Speech Motor Skills in Neurotypical Speakers and Persons With Disordered Speech
RecruitingHealthy volunteers welcome
Ages 18 to 50 ยท All sexes ยท Updated Jul 21, 2026 ยท NCT07459803Organization and Development of Motor Cortical Circuits for Speech Production in Stuttering
Recruiting
Ages 18 to 65 ยท All sexes ยท Updated Apr 29, 2026 ยท NCT07180628The Development of Stuttering in Young Children
RecruitingObservational studyHealthy volunteers welcome
Ages 3 to 6 ยท All sexes ยท Updated Apr 16, 2026 ยท NCT06578416Using Non-invasive Brain Stimulation to Explore Potential Treatments to Reduce Speech Errors in Adults Who Stutter
Recruiting
Ages 22 and older ยท All sexes ยท Updated Apr 14, 2026 ยท NCT07354139Investigating Subcortical Contributions to Speech Sequencing in Deep Brain Stimulator Recipients
Recruiting
Ages 18 and older ยท All sexes ยท Updated Mar 9, 2026 ยท NCT07455760Network Connectivity and Temporal Processing in Adolescents Who Stutter
RecruitingHealthy volunteers welcome
Ages 9 to 13 ยท All sexes ยท Updated Oct 23, 2025 ยท NCT05286151Transcranial Alternating Current Stimulation (tACS) in Stuttering
Recruiting
Ages 18 to 65 ยท All sexes ยท Updated Sep 12, 2025 ยท NCT06740968Auditory Prediction and Error Evaluation in the Speech of Individuals Who Stutter
RecruitingHealthy volunteers welcome
Ages 3 and older ยท All sexes ยท Updated Aug 21, 2025 ยท NCT06181149Exploring the Nature, Assessment and Treatment of Stuttering
RecruitingHealthy volunteers welcome
Ages 2 to 85 ยท All sexes ยท Updated Jun 22, 2023 ยท NCT05908123From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.