NCT00178880已完成不适用
MRI Imaging of Chronobiologic Abnormalities in Depression
适应症
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 7
- 试验地点
- 1
研究概览
简要总结
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.
详细描述
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.
研究设计
- 研究类型
- Observational
- 观察模型
- Cohort
- 时间视角
- Prospective
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •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
排除标准
- •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.
研究者
研究点 (1)
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