Effectiveness of adding Transcranial Direct Current Stimulation (tDCS) to the Camperdown program on the Stuttering Severity index in Adults

Investigating the Effectiveness of adding Transcranial Direct Current Stimulation (tDCS) to the Camperdown program on the Stuttering Severity index in Adults with Stuttering: A Randomized Double-Blind Clinical Trial

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20110928007657N5

Enrollment

Registered

2026-03-17

Start date

2026-03-21

Completion date

Unknown

Last updated

2026-06-01

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

Conditions

Stuttering. ????

Interventions

Intervention 1: Intervention group:Electrical stimulation is provided using the Segal Stim AT-12 device from Pharmed Tajhiz Company, in tDCS mode. An electroencephalography cap will be used to identif

Eligibility

Sex/Gender

All

Age

18 Years to 50 Years

Inclusion criteria

Inclusion criteria: Having developmental stuttering Having moderate to severe stuttering being Right-handed being Farsi-language Not receiving stuttering-related treatment in the past month prior to the start of the intervention

Exclusion criteria

Exclusion criteria: Having skin lesions or bone defects in the skull area Presence of other speech disorders with stuttering Taking brain-stimulating drugs Having metal implants in the skull

Design outcomes

Primary

Measure	Time frame
Stuttering Severity. Timepoint: Before of intervention, After intervention, one month for follow up. Method of measurement: Questionnary of Stuttering Severity Scale.;Quality of Life. Timepoint: Before of intervention, After intervention, one month for follow up. Method of measurement: Overall Assessment of the Speakers Experiences of Stuttering.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactPeyman Zamani

Ahvaz University of Medical Sciences

zamanipdrst@gmail.com009833743105

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Jun 11, 2026