Examination of the correlation of the histamine H3 receptor density and the neurocognitive function

Examination of the correlation of the histamine H3 receptor density and the neurocognitive function - Examination of the correlation of the histamine H3 receptor density and the neurocognitive function

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000022937

Enrollment

Registered

2016-06-30

Start date

2016-07-01

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

Healthy volunteers

Interventions

Day1 Medical examination (30min) MRI scan (100min) Psychological test (120min) Day2 Medical examination (30min) Psychological test (90min) PET scan (150min) Medical examination

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Healthy individuals who have the ability to provide informed consent.

Exclusion criteria

Exclusion criteria: Psychiatric disorders including drug dependence Serious medical illness

Design outcomes

Primary

Measure	Time frame
The correlation between the change of BOLD signals, the psychological changes and the histamine H3 receptor density.	—

Countries

Japan

Contacts

Public ContactKazuko Suzuki

National Institute of Radiological Sciences Clinical Research Cluster

suzuki.kazuko@qst.go.jp043-206-3025

Outcome results

None listed

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