Development of Cognitive Assessment Tools in Parkinson Disease (ANAM)

Inclusion and Exclusion Criteria

PD subjects

Inclusion criteria:

• The participant is 30 years or older.
• Written informed consent is obtained.
• Participants have a clinical diagnosis of Parkinson's disease based on Brain Bank Criteria.
• Mini-mental status examination (MMSE) score ≥24 or significant cognitive dysfunction based clinical mental status exam.
• Geriatric Depression Scales (GDS) ≤ 10.
• For females, non-child bearing potential a negative urine or serum pregnancy test on day of 123-I IBVM injection.

Exclusion criteria:

• The subject has a clinically significant abnormal laboratory value and/or clinically significant unstable medical or psychiatric illness
• The subject has any disorder that may interfere with drug absorption distribution, metabolism, or excretion (including gastrointestinal surgery).
• Pregnancy

Healthy Control Subjects

Inclusion criteria:

• The participant is 50 years or older.
• Written informed consent is obtained.
• Negative history of neurological or psychiatric illness based on evaluation by a research physician.
• Mini-Mental Status Exam score ≥28.
• For females, non-child bearing potential a negative urine or serum pregnancy test on day of 123-I IBVM injection.

Exclusion criteria:

• The subject has a clinically significant abnormal laboratory value and/or clinically significant unstable medical or psychiatric illness.
• The subject has any disorder that may interfere with drug absorption distribution, metabolism, or excretion (including gastrointestinal surgery).
• The subject has received an investigational drug within 60 days before the screening visit.