Effects of Post-Session Supplemental Hydromorphone on Drug Seeking Behavior in Opioid Dependent Individuals The purpose of this study is to determine whether knowledge of post-session hydromorphone (HYD) availability reduces drug seeking behavior in heroin dependent individuals.

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Effects of Stress and Other Factors on Opiate Drug Choice The purpose is to study the extent to which stress and other factors, including money, the amount of drug available and the amount of work effort, affect drug choice. This study will asse...

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Treatment Study: Reducing Cocaine/Heroin Abuse With SR-Amphetamine and Buprenorphine (ARC) This research study takes place at Wayne State University and will take about 11 weeks to complete. This is a treatment research study for individuals who currently have cocaine abuse or d...

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Effects of Buprenorphine/Naloxone Dose on Experimental Stress Reactivity and Opioid Abstinence This research deals with behaviors that are part of opioid dependence. The purpose is to study how stress and medication dose can affect opioid drug use.

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Effects of Environmental Factors on Opiate Drug Choice in Opioid Dependent Individuals The purpose is to study how certain factors, including money, the amount of drug available and the amount of work effort, affect opiate drug choice.

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Medical Marijuana Use in HIV+ Patients: Probability Survey More scientific information is needed about medical marijuana use among HIV positive patients. There is conflicting information about the use of marijuana, use of medical marijuana, and th...

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Non-Treatment Study of Factors Affecting Cocaine Drug Choice This research deals with behaviors that are part of drug dependence. The purpose is to study how certain factors, including money, the amount of drug available, and the amount of work effo...

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Studies of Opioid Seeking Behavior: Yohimbine and Hydrocortisone Effects This research deals with behaviors that are part of opioid dependence. The purpose is to study the extent to which stress and other factors, including money and amount of work effort, affe...

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Medical Marijuana Use in HIV+ Patients Prospective Cohort Study The investigators are interested in understanding personal factors such as medical conditions and mental health, as well as social and economic factors, that influence marijuana (and other...

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Effects of N-acetylcysteine on Brain Chemistry and Behavior in Cocaine Abusers (NAC) N-acetylcysteine (NAC) is a medication that the Food and Drug Administration (FDA) has approved for several medical uses, such as dissolving mucus in patients with breathing problems, trea...

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