Adenosine A2A receptors in Parkinson's disease

Adenosine A2A receptors in Parkinson's disease - Adenosine A2A receptors in Parkinson's disease

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000025638

Enrollment

Registered

2017-01-16

Start date

2016-11-01

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

Parkinson&#39

Interventions

11C-preladenant-PET scanning

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. The subjects who have intention to participate in this study, and signed informed consent. 2. Male and female subjects of >=40 and <90 years, old. 3. The subjects who were diagnosed with dementia

Exclusion criteria

Exclusion criteria: 1. The subjects with a history of brain diseases, excluding than cerebellar diseases. 2. The subjects who are prescribed a medication for the central nervous system. 3. The subject who have chronic dysfunction in the organs. 4. Pregnant or woman who has a chance of pregnant. 5. The subjects who were judged by the clinical investigator to be inappropriate as a participant in this study.

Design outcomes

Primary

Measure	Time frame
Measurement of adenosine a2a receptor availability in Parkinson's disease	—

Countries

Japan

Contacts

Public ContactKenji Ishibashi

Tokyo Metropolitan Institute of Gerontology Research Team for Neuroimaging

ishibashi@pet.tmig.or.jp03-3964-3241

Outcome results

None listed

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

Adenosine A2A receptors in Parkinson&#39;s disease