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PET study of brain tau deposition in late onset psychosis using [11C]PBB3

PET study of brain tau deposition in late onset psychosis using [11C]PBB3 - PET study of brain tau deposition in late onset psychosis using [11C]PBB3

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000017837
Enrollment
57
Registered
2015-06-09
Start date
2015-01-10
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

Healthy volunteer,late onset psychosis

Interventions

PET/MRI/neuropsychological batteries/neurological examinations PET/MRI/neuropsychological batteries/neurological examinations

Sponsors

National Institute of Radiological Sciences
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: I. Patients 40 y.o.<=Age<=88 y.o. patients of late onset psychosis. II.Healthy volunteers 40 y.o.<=Age<=88 y.o., normal subjects

Exclusion criteria

Exclusion criteria: I. Patients 1. Subjects without ability to make informed consent 2. Subjects with any psychiatric disorder not due to late onset psychosis 3. Subjects with any organic brain disorder 4. Subjects with severe physical complication 5. Subjects with severe claustrophobia 6. Pregnant women 7. Subjects who was considered to be inappropriate to participate in the study II. Healthy volunteers 1. Subjects without ability to make informed consent 2. Subjects with any psychiatric disorder 3. Subjects with any organic brain disorder 4. Subjects with severe physical complication 5. Subjects with severe claustrophobia 6. Subjects who has participated in other study in recent 6 months. 7. Pregnant women 8. Subjects with tattoo 9. Subjects with metallic medical device in the body 10. Subjects who was considered to be inappropriate to participate in the study

Design outcomes

Primary

MeasureTime frame
Distribution volume and binding potential measured by positron emission tomography with [11C]PBB3

Secondary

MeasureTime frame
Difference of spatial distribution of [11C]PBB3 and [11C]PIB Correlations between tau deposition and various clinical scales

Countries

Japan

Contacts

Public ContactKeisuke Takahata

National Institute of Radiological Sciences Molecular Imaging Center

takahata.keisuke@qst.go.jp81432063025

Outcome results

None listed

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