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Association Between Proteinopathy-Associated Ligands, Underlying Pathophysiology, and Clinical Symptoms in Neuropsychiatric Disorders

Association Between Proteinopathy-Associated Ligands, Underlying Pathophysiology, and Clinical Symptoms in Neuropsychiatric Disorders - Exploratory Research on Proteinopathy-Associated Ligands

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000057563
Enrollment
325
Registered
2025-04-09
Start date
2025-05-27
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

Mild cognitive impairment, Alzheimer&#39

Interventions

Sponsors

National Institutes for Quantum Science and Technology
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Patients with psychiatric and neurodegenerative disorders Patients who are at least 18 years of age at the time consent is obtained. Patients who are able to be accompanied on the day of study participation in QST by a potential surrogate if consent by the patient is difficult to obtain. Patients who meet the diagnostic criteria for each disease. 2.Patients with central nervous system injury Patients who are at least 18 years old at the time of consent. Patients must be able to understand the study outline at the time of consent. Patients with a history of CNS injury that can be confirmed by medical history. 3.Healthy volunteers Healthy volunteers who are at least 18 years old at the time of consent. Healthy adults who have been examined by a physician who is a researcher and judged to be eligible for this study.

Exclusion criteria

Exclusion criteria: 1) Subjects with psychiatric and neurodegenerative disorders 1. Subjects with organic brain complications/disorders 2. Subjects with substance-related disorders 3. Subjects with severe physical complications/disorders or a history of such conditions 4. Subjects with claustrophobia 5. Pregnant, possibly pregnant or lactating women 6. Those with a history of allergic reactions to local anesthetics or heparin (only for arterial blood sampling). 7. Subjects who are taking anticoagulants (only for arterial blood sampling). 8. Subjects who are considered to be inappropriate for participation by doctors with responsibilities in this study 2) Subjects with traumatic brain injury 1. Subjects who are considered to be inappropriate for participation by doctors with responsibilities in this study 2. Subjects with claustrophobia 3. Pregnant, possibly pregnant or lactating women 4. Those with a history of allergic reactions to local anesthetics or heparin (only for arterial blood sampling). 5. Subjects who are taking anticoagulants (only for arterial blood sampling). 6. Subjects who are considered to be inappropriate for participation by doctors with responsibilities in this study 3) Healthy volunteers 1. Subjects with organic brain complications/disorders 2. Subjects with substance-related disorders 3. Subjects with severe physical complications/disorders or a history of such conditions 4. Subjects with magnetic metals in their bodies (tattoos, tattoos including art makeup, pacemakers, etc.). 5. Subjects with claustrophobia 6. Pregnant, possibly pregnant or lactating women 7. Those with a history of allergic reactions to local anesthetics or heparin (only for arterial blood sampling). 8. Subjects who are taking anticoagulants (only for arterial blood sampling). 9. Subjects who are considered to be inappropriate for participation by doctors with responsibilities in this study

Design outcomes

Primary

MeasureTime frame
Quantitative evaluation of the distribution of [18F]C05-05, [18F]SPAL-T-06, [18F]florzolotau and [11C]PiB in the studied patients and healthy volunteers and their association with clinical symptoms

Countries

Japan

Contacts

Public ContactHironobu Endo

Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology Advanced Neuroimaging Center

endo.hironobu@qst.go.jp0432063249

Outcome results

None listed

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