About this trial
The aim of the study is to examine the effect of cannabis use on brain synaptic density among older adults using \[11C\]UCB-J PET imaging.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Able to provide informed consent
Male or female, aged ≥50 years
No history of significant medical or neurological disease
BMI ≤ 50
Disqualifiers
Women with a positive pregnancy test or women who are lactating
Have had exposure to ionizing radiation that in combination with the study tracer would result in a cumulative exposure that exceeds recommended exposure limits;
History of a bleeding disorder or are currently taking anticoagulants
Subjects who have donated blood within 8 weeks of the present study
Trial design
Parallel
Treatments tested in this trial
[11C]UCB-J PET
DrugSingle PET scan using the radioligand \[11C\]UCB-J
Treatment groups
Trial outcomes
Primary outcomes
Hippocampal synaptic density
Measure of synaptic density in the hippocampus
Sponsors and contacts
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Yale University
Lead sponsor
National Institute on Drug Abuse (NIDA)
Collaborator