Stutter disorder

MONDO:0000723

A speech disorder characterized by frequent sound or syllable repetitions, sound prolongations, or other dysfluencies that are inappropriate for the individual's age.

Also known as: stutter, familial persistent stuttering, stuttering, familial persistent

29 clinical trials for this condition and its sub-types, 22 tagged with Stutter disorder itself.

Follow this condition to get notified about new trials

Where it sits in the disease tree

Browse by category →

Part of

↑ Hereditary neurological disease (5791) ↑ Language disorder (179) ↑ Speech disorder (82)

Sub-types of Stutter disorder

Stuttering, familial persistent, 1 0 trials
Stuttering, familial persistent, 2 0 trials
Stuttering, familial persistent, 3 0 trials
Stuttering, familial persistent, 4 0 trials

Including sub-types (29) Tagged with Stutter disorder (22)

Trials to join now! 13 Not yet recruiting 1 Not yet finished but already full! 1 Completed 7

Can an app help people who stutter speak more fluently?

Symptom relief Ongoing

This study looks at whether changing the sound of your own voice (like adding echo or whisper) can help adults who stutter speak more smoothly. About 100 people will use a special app for one month. The goal is to see if this simple technique improves fluency over time.

Sponsor: Massachusetts Institute of Technology • Aim: Symptom relief

Last updated Jun 27, 2026 12:33 UTC

Stutter disorder

Where it sits in the disease tree

Can an app help people who stutter speak more fluently?