The purpose of this study is to determine whether methamphetamine-dependent individuals will use less methamphetamine when treated with naltrexone. The study will also investigate whether individuals with the mu opioid receptor gene variant A118G will use less methamphetamine than individuals without A118G.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
22
380mg extended-release, given once by intramuscular gluteal injection
Addiction & Pharmacology Research Laboratory
San Francisco, California, United States
MA (-) Urine Samples
Time frame: Twice weekly for 5 weeks
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