NCT00598390

Brief Summary

The purpose of this protocol is to measure brain CB1 receptors in the hope to better understand how they work, so that one day we can understand how the CB1 receptors are involved in psychiatric, neurological, and behavioral disorders.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
19

participants targeted

Target at below P25 for phase_1 healthy

Timeline
Completed

Started Jan 2008

Longer than P75 for phase_1 healthy

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 8, 2008

Completed
2 days until next milestone

First Submitted

Initial submission to the registry

January 10, 2008

Completed
11 days until next milestone

First Posted

Study publicly available on registry

January 21, 2008

Completed
5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 22, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 22, 2013

Completed
Last Updated

April 2, 2020

Status Verified

January 22, 2013

Enrollment Period

5 years

First QC Date

January 10, 2008

Last Update Submit

April 1, 2020

Conditions

Keywords

CannabinoidCB1 ReceptorBrain ImagingPET Imaging[11C]MePPEPHealthy VolunteerHV

Outcome Measures

Primary Outcomes (1)

  • Reproducibility of novel PET tracer for CB1 in brain imaging.

Secondary Outcomes (1)

  • Distribution and variance of CB1 receptors in the brain of healthy controls.

Interventions

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

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  • All subjects must be healthy and aged 18 65 years, with history/physical exam, ECG, and laboratory tests within one year of the PET scan. The volunteer must sign an informed consent form.

You may not qualify if:

  • Current psychiatric illness, substance abuse including marijuana use, or severe systemic disease based on history and physical exam.
  • Laboratory tests with clinically significant abnormalities or positive urine toxicology screen.
  • Prior participation in other research protocols in the last year such that radiation exposure would exceed the annual limits.
  • Pregnancy and breast feeding.
  • Claustrophobia.
  • Presence of ferromagnetic metal in the body or heart pacemaker.
  • Positive HIV test.
  • Employee of the investigative site or an immediate family member of an employee of the investigative site. Immediate family member is defined as a spouse, parent, child, or sibling, whether biological or legally adopted.
  • Employee of Eli Lilly and Company.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

National Institutes of Health Clinical Center, 9000 Rockville Pike

Bethesda, Maryland, 20892, United States

Location

Related Publications (3)

  • Abi-Dargham A, Gandelman M, Zoghbi SS, Laruelle M, Baldwin RM, Randall P, Zea-Ponce Y, Charney DS, Hoffer PB, Innis RB. Reproducibility of SPECT measurement of benzodiazepine receptors in human brain with iodine-123-iomazenil. J Nucl Med. 1995 Feb;36(2):167-75.

    PMID: 7830108BACKGROUND
  • Burger C, Buck A. Requirements and implementation of a flexible kinetic modeling tool. J Nucl Med. 1997 Nov;38(11):1818-23.

    PMID: 9374364BACKGROUND
  • Carson RE, Huang SC, Green MV. Weighted integration method for local cerebral blood flow measurements with positron emission tomography. J Cereb Blood Flow Metab. 1986 Apr;6(2):245-58. doi: 10.1038/jcbfm.1986.38.

    PMID: 3485644BACKGROUND

MeSH Terms

Interventions

5-(3-methoxyphenyl)-3-(1-phenylethylamino)-1-(4-trifluoromethylphenyl)pyrrolidin-2-one

Study Officials

  • Robert B Innis, M.D.

    National Institute of Mental Health (NIMH)

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
SINGLE GROUP
Sponsor Type
NIH
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 10, 2008

First Posted

January 21, 2008

Study Start

January 8, 2008

Primary Completion

January 22, 2013

Study Completion

January 22, 2013

Last Updated

April 2, 2020

Record last verified: 2013-01-22

Locations