Risky Decision Making in Methamphetamine Users: The Role of Opioid Blockade



Status:Completed
Conditions:HIV / AIDS, Psychiatric
Therapuetic Areas:Immunology / Infectious Diseases, Psychiatry / Psychology
Healthy:No
Age Range:18 - 55
Updated:3/7/2019
Start Date:May 2013
End Date:March 2015

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The purpose of this protocol is to learn more about impulsive decision making in people who
use methamphetamines. The investigators would like to know if a medication called naltrexone
changes how people make decisions. The investigators would also like to know whether changes
in decision making can be observed by MRI (magnetic resonance imaging).

The research is conducted in Portland, OR.


Summary Inclusion Criteria:

- Diagnostic and Statistical Manual (DSM)-IV Methamphetamine Dependence

- Deemed healthy enough to participate by study physician

- Age 18-55

- Right handed

- English-speaking

Summary Exclusion Criteria:

- Current opioid use in the last 30 days; opioid abuse or dependence within past 5 years

- Pregnancy

- MRI contraindications (e.g. metal in head).

The research is conducted in Portland, OR.
We found this trial at
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sites
Portland, Oregon 97239
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Portland, OR
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3181 Southwest Sam Jackson Park Road
Portland, Oregon 97239
503 494-8311
Oregon Health and Science University In 1887, the inaugural class of the University of Oregon...
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Portland, OR
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