Clinical trials: Stammering
Stuttering, Adult
Bihemispheric Transcranial Direct Current Stimulation* on Speech Fluency
It will be determined whether bihemispheric stimulation (anodal to the left IFG and cathodal to the right IFG) is used with fluency-facilitating conditions for 5 consecutive days in individuals with stuttering and whether there…
- Trial name
- TDCS (NCT06278233)
- Testing
- Transcranial direct current stimulation
- Where
- Turkey (Türkiye)
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Biruni University
Developmental Stuttering, Evoked Potentials Auditory
Effect of Stuttering Remediation Exercises on Cortical Auditory Evoked Potentials
studying how the cortical auditory evoked potentials differ in children who stutter from who do not stutter and how these potentials change with therapy
- Trial name
- NCT05473572
- Testing
- Fluency shaping exercises
- Where
- Egypt
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Alaa Mamdouh
Stuttering/ Developmental
The Effect of the Non-invasive Brain Stimulation on the Speech Fluency Enhancement
The aim of this study is to determine the effectiveness of concurrent transcranial direct current stimulation (tDCS) and fluency training in adults with developmental stuttering.
- Trial name
- NCT03990168
- Testing
- Anodal tDCS, fluency intervention/ Delayed Auditory Feedback
- Where
- Iran
- Volunteers
- 50 people
- Sponsor
- Iran University of Medical Sciences
Stuttering
Development and Pilot Testing of Virtually Simulated Intervention for Patients Having Stuttering
This study aims to develop and pilot test a culturally appropriate virtual reality (VR)-based speech restructuring intervention for individuals with stuttering in Pakistan.
- Trial name
- NCT07833969
- Testing
- Virtually Simulated Intervention
- Where
- Pakistan
- Volunteers
- 10 people
- Sponsor
- Riphah International University
Stuttering
Large Language Models for Stuttering Assessment and Therapy
This observational study aims to compare the quality of responses generated by four large language models (ChatGPT, Claude, Google Gemini, and Grok-4.20) to questions about stuttering.
- Trial name
- NCT07835347
- Testing
- ChatGPT-Generated Responses, Claude-Generated Responses, Google Gemini-Generated Responses
- Where
- Turkey (Türkiye)
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Istanbul Gelisim University
Stuttering, Stuttering, Adult
Exploring the Nature, Assessment and Treatment of Stuttering
The purposes of this study are to 1) investigate potential speech, language, and psychosocial contributions to the experience of stuttering in monolingual and multilingual speakers, and to 2) evaluate interdisciplinary…
- Conditions
- Stuttering, Stuttering, Adult, Stuttering, Childhood, Stuttering, Developmental
- Trial name
- NCT05908123
- Testing
- The Blank Center CARE Model(TM) for Individuals who Stutter
- Where
- United States
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Stammering
Effects of Tele Speech Therapy on the Treatment of Stammering in Adults Who Stutter
The aim of the study is to determine the effectiveness of telespeech therapy on the treatment of stammering.
- Trial name
- NCT06937437
- Testing
- Teletherapy, Traditionally speech therapy
- Where
- Pakistan
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Riphah International University
Stuttering
Spacing Lidcombe Program Clinic Visits
The purpose of this study is to evaluate the efficiency of the Lidcombe Program for early stuttering by varying the time between clinic visits during the first stage of the program.
- Trial name
- NCT00680303
- Testing
- The Lidcombe Program for early stuttering
- Where
- 2 sites in Australia, Canada
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Sydney
Stuttering in Adolescence, Bullying of Child
The Classroom Communication Resource (CCR) Intervention to Change Grade 7 Peer's Attitudes Towards Children Who Stutter (CWS)
Children who stutter (CWS) are at high risk of being teased and bullied in primary school because of the negative peer attitudes and perceptions towards stuttering.
- Trial name
- CCR (NCT03111524)
- Testing
- Classroom Communication Resource, No intervention
- Volunteers
- 453 people, healthy volunteers welcome
- Sponsor
- Rizwana Mallick
Stuttering, Childhood, Anxiety Disorders
Stuttering and Anxiety
Stuttering was defined as a common neurodevelopmental speech disorder characterized by repetitions, prolongations, and interruptions in the flow of speech.
- Trial name
- NCT03160586
- Testing
- Stuttering severity instrument-3, Child Behavior Checklist for age 4-18
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Assiut University
Persistent Developmental Stuttering
EXPRESS: Examining Pagoclone for Persistent Developmental Stuttering Study
The objective of the study is to determine the effects of pagoclone on the symptoms of Persistent Developmental Stuttering, using a flexible dosing titration regimen on persistent developmental stuttering in patients 18 to 65…
- Trial name
- NCT00216255
- Testing
- Pagoclone
- Where
- 16 sites in United States
- Volunteers
- 120 people
- Sponsor
- Endo USA Inc., a Keenova Therapeutics Company
Stuttering
Genetic Factors Related to Stuttering
Stuttering is an abnormality in speech that affects the rhythm of speech. People who stutter know what they wish to say, but at the time are unable to say it because of involuntary repetition, unnecessary lengthening…
- Trial name
- NCT00001602
- Where
- United States
- Volunteers
- 500 people
- Sponsor
- National Institute on Deafness and Other Communication Disorders (NIDCD)
Persistent Developmental Stuttering
Explorative Study for Treating Persistent Developmental Stuttering With Ramipril
Persistent developmental stuttering (PDS) is diagnosed when developmental stuttering persists beyond adolescence. Most stutterers experience vast improvement in stuttering during childhood and it generally disappears within five…
- Trial name
- NCT04173949
- Testing
- Ramipril 2.5 MG
- Where
- 2 sites in Israel
- Volunteers
- 10 people
- Sponsor
- HaEmek Medical Center, Israel
Stuttering, Childhood, Emotion, Expressed
Intensive Stuttering Group Therapy for School-age Children and the Effect of Emotional Reactivity on Therapy Outcomes
The primary objectives of this investigation were two-fold: 1) to investigate whether implementation of individualized desensitization exercises in an intensive stuttering group therapy for school-age children who stutter is…
- Trial name
- NCT03778632
- Testing
- individualized desensitization exercises
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Stuttering, Down Syndrome
How Stuttering and Gestures Influence the Intelligibility of Individuals With Down Syndrome
This study wants to determine the relationship between spontaneous hand gestures, stuttering and intelligibility in individuals with Down syndrome. One third of these individuals has fluency problems, such as stuttering.
- Conditions
- Stuttering, Down Syndrome, Intelligibility, Speech, Gestures
- Trial name
- NCT03698539
- Testing
- hand gestures
- Where
- Belgium
- Volunteers
- 60 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Stuttering, Childhood
Speech Signals in Stuttering
The purpose of this research study is to understand how speech and language are processed in the brain. This study will provide information that may help with the understanding how speech and language are processed in children…
- Trial name
- NCT05668923
- Testing
- Speech sound stimulation
- Where
- 2 sites in United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Stuttering, Adult
Investigating the SMA's Role in Speech and Reading Fluency in PWS With rTMS
The goal of this clinical trial is to study how a part of the brain called the supplementary motor area (SMA) is connected to speech and reading fluency in adults who stutter.
- Trial name
- NCT06809387
- Testing
- Brain stimulation
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Medipol University
Stutter, Stuttering, Adult
Organization and Development of Motor Cortical Circuits for Speech Production in Stuttering
The overall objective of this study is to examine inter effector areas (IEAs) activity and functional connectivity during continuous speech production in stuttering adults.
- Conditions
- Stutter, Stuttering, Adult, Stuttering, Stuttering, Developmental
- Trial name
- NCT07180628
- Testing
- Speech Production During functional magnetic resonance imaging (MRI)
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University of Michigan
Stuttering, Adult
The Effects of Brain Stimulation on Speech Fluency in Adults Who Stutter
The project is leading to investigate the effects of neuromodulation techniques on speech fluency among adults who stutter (AWS).
- Trial name
- NCT05472181
- Testing
- rTMS (Repetitive TMS), Speech training
- Where
- Hong Kong
- Volunteers
- 18 people
- Sponsor
- The University of Hong Kong
Stuttering, Developmental Stuttering
Noninvasive Thalamocortical Neuromodulation With Low-Intensity Focused Ultrasound for Persistent Developmental Stuttering
This research is studying the use of low-intensity focused ultrasound (LIFU; a mild, noninvasive acoustic stimulation technique) in a small number of people to learn about its safety as a treatment for stuttering.
- Trial name
- NCT07668882
- Testing
- High DC LIFU
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- University of Michigan