Regional cerebral blood flow in patients with orally localized somatoform pain disorder: A single photon emission computed tomography study

Regional cerebral blood flow in patients with orally localized somatoform pain disorder: A single photon emission computed tomography study - Cerebral blood flow in oral pain disorder

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000002548

Enrollment

Registered

2009-09-25

Start date

2006-08-01

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

Somatoform pain disorder

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with orally localized somatoform pain disorder diagnosed by the Diagnostic and Statistical Manual of Mental Disorders, 4th edition, text revision (DSM-IV-TR).

Exclusion criteria

Exclusion criteria: Patients who were diagnosed with neuropathic pain, those with intentionally created or fabricated pain, or those having other mental disorders causing somatic symptoms.

Design outcomes

Primary

Measure	Time frame
Regional cerebral blood flow assessed by three-dimensional stereotactic surface projections	—

Secondary

Measure	Time frame
Pain intensity (numeric rating scale)	—

Countries

Japan

Contacts

Public ContactHiroyuki Karibe

Nippon Dental University Department of Pediatric Dentistry

h-karibe@tky.ndu.ac.jp0332616524

Outcome results