MRI Imaging of Chronobiologic Abnormalities in Depression

Completed

Conditions studied: Depression

In brief

The purpose of the study is to identify and understand patterns of brain activity when people are depressed. The study will use an imaging method called Magnetic Resonance Imaging (MRI) which does not involve any exposure to radioactivity or radioactive substances.

Key facts

Study ID

NCT00178880

Run by

Vanderbilt University Medical Center

People needed

7

Starts

2008-11-01

Expected to finish

2009-11-01

Last updated by the study team

2017-04-04

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• WEIGHT: less than or at 20% over ideal weight, as specified in the 1983 Metropolitan Height and Weight Tables. Patients who deviate from these ranges may be reviewed on an individual basis by the Investigator. This criterion is necessary because of mechanical limitations in fitting overweight individuals into the scanner, and the risk of excessive claustrophobic responses if tightly constricted.
• HEALTH: healthy, ambulatory normal or depressed adults

You may not qualify if…

• Presence of aneurysm clips, cardiac pacemakers, cochlear implants, metal in the eyes, and implanted insulin pumps.
• Evidence of significant hepatic, gastrointestinal, renal, respiratory, endocrine, hematologic, neurologic, psychiatric, or cardiovascular system abnormalities.
• Pregnancy.
• Patients with a known or suspected history of alcohol or drug misuse and/or a positive urine drug screen.
• Patients who are unwilling or unable to abide by the requirements of the study or who violate the prohibitions and restrictions of the study.
• Any condition which would make the patient, in the opinion of the Investigator, unsuitable for the study.
• Patients on antidepressants may not be taking any other medication, except at the discretion of the investigator. Untreated depressed or healthy subjects must be free of all medications except as approved by the investigator.
• Patients with serious medical illness, history or signs/symptoms of lumbar spine/disc disease or significant laboratory findings.
• Patients who present significant suicide risk, e.g. with a history of highly impulsive suicide attempts.

Where it is running

• Vanderbilt University Medical Center — Nashville, Tennessee, United States

Full record on ClinicalTrials.gov

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