Pathophysiology clarification of spasmodic dysphonia by functional MRI

Pathophysiology clarification of spasmodic dysphonia by functional MRI - Analysis of spasmodic dysphonia by fMRI

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000016807

Enrollment

Registered

2015-06-01

Start date

2015-06-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Spasmodic dysphonia

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients of spasmodic dysphonia or muscle tension dystonia VHI-10>=20

Exclusion criteria

Exclusion criteria: Patients of dysphasia, organic disease of vocal code History of botulinum toxin treatment less than 6 months before participation Patients of mental disease Patients of abuse of alchocol or medication

Design outcomes

Primary

Measure	Time frame
Bold signal recorded by fMRI	—

Secondary

Measure	Time frame
Voice Handicap Index	—

Countries

Japan

Contacts

Public ContactIchiro Tateya

Graduate School of Medicine, Kyoto University Department of Otolaryngology, Head and Neck Surgery

sdimaging@ent.kuhp.kyoto-u.ac.jp075-751-3346

Outcome results