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Comparison of High-Definition Transcranial Direct Current Stimulation and Prolonged Speech Treatment in Kannada-Speaking Adults who Stutter

Effect of High-Definition Transcranial Direct Current Stimulation and Prolonged Speech Treatment in Kannada-Speaking Adults who Stutter: A Treatment Comparison - NIL

Status
Recruiting
Phases
Phase 2Phase 3
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2025/03/083684
Enrollment
45
Registered
2025-03-28
Start date
Unknown
Completion date
Unknown
Last updated
2026-02-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: F988- Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence

Interventions

Intervention1: Transcranial Direct Current STimulation: 1mA current will be delivered for 20 mins for 10 days through AgCL sintered electrodes used in high-definition transcranial direct current stimu

Sponsors

Audrey Joyner Dsouza
Lead Sponsor
All India Institute of Speech and Hearing
Collaborator

Eligibility

Inclusion criteria

Inclusion criteria: Diagnosed with developmental stuttering by a speech-language pathologist; Minimum of mild severity of stuttering on stuttering severity instrument- fourth edition; Native Kannada speaker; Right-handed; Education qualification above 10th grade.

Exclusion criteria

Exclusion criteria: Individuals who have undergone speech therapy for stuttering in the past 2 years; Has a history of any other speech, language, or neurological disorders; History of seizures; Family history of seizures; History of head injury/surgery; History of unexplained loss of consciousness; Pregnancy; Presence of metal implant, pacemakers, or any other implantable devices; History of frequent or severe headache or migraine; History of alcohol consumption in the past 15 days or history of any other substance abuse; History of usage of psychiatric medications such as antidepressants or antipsychotics; Intake of any medications anytime in the past 15 days, or during the course of the study; Presence of any illness that has an influence on the brain, during the study; Presence of skin allergies or wounds at the site of stimulation.

Design outcomes

Primary

MeasureTime frame
Percentage of syllables stutteredTimepoint: Baseline assessment, post-10 sessions, 1 week post-treatment, and 1 month post-treatment

Secondary

MeasureTime frame
Self-rated stuttering severity, Stuttering Severity Instrument fourth edition, Naturalness rating, Overall assessment of the speaker s experience of stuttering for adults in Kannada, Communication attitude test in Kannada for adults who stutter, Unhelpful Thoughts and Beliefs About Stuttering Scales-6, Rate of speechTimepoint: Baseline assessment, post-10 sessions, 1 week post-treatment, and 1 month post-treatment

Countries

India

Contacts

Public ContactAudrey Joyner Dsouza

All India Institute of Speech and Hearing

santoshm79@gmail.com9663922033

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 7, 2026