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Assessing the biological foundations of speech production and stuttering: A clinical trial

Assessing the biological foundations of speech production and stuttering: A clinical trial - STOTT

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00005489
Enrollment
40
Registered
2013-12-20
Start date
2015-01-01
Completion date
Unknown
Last updated
2025-04-07

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

Conditions

F98.5

Interventions

Group 1: Persons who stutter and who are enrolled in an in-patient therapeutical program. Treatment includes speech training and cognitive-behavioral interventions in individual and group therapy. Gro

Sponsors

Department of Psychology, University of Bonn
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Ideopathic stuttering

Exclusion criteria

Exclusion criteria: anxiety disorder (F40); late onset of stuttering (older than twelve years at onset); no fluent proficiency in German; neurological disorders; other speech- or hearing disorders; non removable metal in the body (jewellery, implants, etc); pacemaker; tattoos; claustrophobia

Design outcomes

Primary

MeasureTime frame
significant reduction of fluency problems signifiant reduction of secondary anxiety symptoms Detectable changes in functional and structural MRI—

Secondary

MeasureTime frame
standardized self-report measures (questionnaires) and audio / video analysis of free speech at all three time points; detectable changes in epigenetic markers—

Countries

Germany

Contacts

Public ContactSebastian Markett

Department of Psychology, University of Bonn

sebastian.markett@uni-bonn-diff.de0228-734219

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026