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Analysis on hyperalgesia in chronic pain

Analysis on hyperalgesia in chronic pain - hyperalgesia in chronic pain

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000037712
Enrollment
80
Registered
2019-08-26
Start date
2019-09-02
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

chronic pain

Interventions

None listed

Sponsors

Teikyo University, Chiba Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients who meet the 2016 ACR fibromyalgia diagnostic criteria with or without a low pain threshold and agree to participate in the study. Healthy subjects.

Exclusion criteria

Exclusion criteria: Subjects were excluded if they had following conditions; a history of neurological or major psychiatric illness, the presence of significant medical disorder, alcohol/drug abuse, left handed, current pregnancy or breastfeeding, less than 20 years old, more than 70 years old, conditions interfering with MRI procedure mentally and physically, abnormal findings on simple brain MRI.

Design outcomes

Primary

MeasureTime frame
Specific functional connections are observed depending on the pathology of chronic pain, especially fibromyalgia.

Secondary

MeasureTime frame
Symptoms associated with specific functional connectivity are seen.

Countries

Japan

Contacts

Public ContactTomohiko Aoe

Teikyo University, Chiba Medical Center Pain Center

tomohikoA@med.teikyo-u.ac.jp0436-62-1211

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026