Skip to content

Usefulness of TSPO-PET and related biomarkers in the patients with neuropathic pain

Usefulness of TSPO-PET and related biomarkers in the patients with neuropathic pain - Usefulness of TSPO-PET in neuropathic pain

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000028113
Enrollment
20
Registered
2017-10-01
Start date
2017-11-01
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

Neuropathic pain

Interventions

Comparison of spinal TSPO-PET accumulation between the patients with neuropathic pain and normal volunteers. Comparison between spinal TSPO-PET accumulation and plasma 24OHC or plasma BDNF among 2 gro

Sponsors

Osaka University Hospital
Lead Sponsor
SHIONOGI &amp
Collaborator
CO., LTD.
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients aged from 20 to 84 years-old (n=15). Normal volunteers aged from 20 to 40 years-old (n=5). 2. Patients with the symptom of definite neuropathic pain or probable neuropathic pain who are diagnosed by the algorithm of the International Association for the Study of Pain. 3. Patients who can provide written informed consent prior to their participation.

Exclusion criteria

Exclusion criteria: <Exclusion criteria for patients> 1. Pregnant women, nursing mothers and the women who may be pregnant. 2. The patients with the severe psycho-neurologic disease (major depression or schizophrenia). 3. Patients with a history of the severe injury with sliding symptoms due to a vertebral fracture and the backbone trauma within six months. 4. Patients with the discectomy, nerve cauterization, and vertebra plasty within six months. 5. Algetic patients due to articular rheumatism, ankylosing spondylitis, and spinal inflammation or tumor. 6. Patients who are unsolved accident compensation about the pain and financial mediation/suit. 7. Patients with a history of HIV. 8. Patients who are participating into other clinical trials. 9. Patients who are judged to be inadequate as subjects by the principal investigator. <Exclusion criteria for normal volunteers> 1. Pregnant women, nursing mothers and the women who may be pregnant. 2. Subjects with the severe psycho-neurologic disease (major depression or schizophrenia). 3. Subjects who suffer from hypertention, hyperlipidemia, vascular disease, and/or cardiac disease. 4. The subjects who have symptoms of pain. 5. Subjects who have claustrophobia. 6. Subjects who suffer from malignant tumors. 7. Subjects who have allergy. 8. Subjects who have smoking behavior and alcohol indulgence. 9. Subjects with a history of HIV. 10. Subjects who are participating into other clinical trials. 11. Subjects who are judged to be inadequate as subjects by the principal investigator.

Design outcomes

Primary

MeasureTime frame
Spinal accumulations of TSPO-PET (C-11 DPA-713 PET) in the patients with neuropathic pain, which are evaluated within 4 weeks after entry. Relationships between spinal accumulation of TSPO-PET and plasma 24OHC or plasma BDNF.

Countries

Japan

Contacts

Public ContactEku Shimosegawa

Osaka University Graduate School of Medicine Department of Molecular Imaging in Medicine

eku@mi.med.osaka-u.ac.jp06-6879-3461

Outcome results

None listed

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