Do you currently use cocaine or have you recently used cocaine? Are you aged 18–55? You may be able to participate in a research study to help learn more about two proteins in the brain that may play a role in substance use disorders. Compensation is provided.
What you’ll do
Study participation involves at least four scanning visits and up to 16 follow-up urine drug screen visits over a period of four months and includes questionnaires, interviews, and brain scanning. The brain scanning includes magnetic resonance imaging (MRI) scans, positron emission tomography/computerized tomography (PET/CT) scans, electrocardiogram, the administration of intravenous hydrocortisone and oral amphetamine, blood and urine tests, and other assessments.
Who the researchers are looking for
Do you currently use cocaine or have you recently used cocaine? Are you aged 18–55? You may be able to participate in a research study to help learn more about two proteins in the brain that may play a role in substance use disorders. Compensation is provided.
Review the provider’s screening questions. These requirements do not guarantee selection.
Do you use cannabis? Are you interested in participating in a research study? You may be eligible for a research study to understand how cannabis use and discontinuation affect sleep, circadian rhythms, and sensitivity to light. Compensation is provided.