Brain science of chronic pain using PET and MRI

Investigation of disease-specific neuroimaging profiles of chronic pain using microglia PET and multimodal MRI - Microglia PET/MRI study in chronic pain

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040403

Enrollment

Registered

2020-05-14

Start date

2020-06-01

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

fibromyalgia, chronic low back pain, postherpetic neuralgia, other chronic pain disorders

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with chronic pain at a pain score >= 3/10 lasting >= 3 months (fibromyalgia, n = 15; chronic low back pain, 15; postherpetic neuralgia, 15; other chronic pain disorders, 15; healthy controls, 20)

Exclusion criteria

Exclusion criteria: Any person with in-body metals or electrical devices; tattoo; pregnancy; claustrophobia; or neurocognitive or consciousness disorder preventing informed consent

Design outcomes

Primary

Measure	Time frame
Intensity and distribution of microglia activation, as well as functional/anatomical activation/connectivity, in the brain of chronic pain patients in comparison with healthy controls.	—

Countries

Japan

Contacts

Public ContactJiro Kurata

The Jikei University School of Medicine Department of Anesthesiology

jkurata@plum.plala.or.jp03-3433-1111

Outcome results