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SV2A in Older Adults

Effect of Cannabis Use on Synaptic Density in Older Adults

Status
Recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05465538
Enrollment
24
Registered
2022-07-19
Start date
2022-07-06
Completion date
2027-09-30
Last updated
2026-02-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cannabis Use

Brief summary

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.

Interventions

Single PET scan using the radioligand \[11C\]UCB-J

Sponsors

Yale University
Lead SponsorOTHER
National Institute on Drug Abuse (NIDA)
CollaboratorNIH

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
50 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Able to provide informed consent * Male or female, aged ≥50 years * No history of significant medical or neurological disease * BMI ≤ 50 * If woman of childbearing potential, must agree to use an acceptable method of birth control, as determined by the principal investigator, for the duration of the study and up to one month after completion of PET scans

Exclusion criteria

* 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

Design outcomes

Primary

MeasureTime frameDescription
Hippocampal synaptic density1 monthMeasure of synaptic density in the hippocampus

Countries

United States

Contacts

CONTACTAngerlyk Frytz, MD
angerlyk.frytz@yale.edu203-974-7822
PRINCIPAL_INVESTIGATORDeepak C D'Souza, MBBS, MD

Yale University

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 28, 2026