Opioid-Related Disorders Clinical Trial
Official title:
Feasibility, Mechanism of Action and Potential Side Effects of Extended Release Depot Naltrexone in Opioid Dependent Patients
The aim of this project is to study brain functions of 20 heroin addicts (compared to brain
functions of 20 healthy controls) just before and during a three month extended release
naltrexone treatment using functional MRI and dopamine transporter SPECT.
The following hypotheses are tested:
- XRNT modulates the fMRI response to drug cues in predetermined brain regions.
- The expression of striatal transporters (assessed with SPECT) will decrease after a
three-month course of extended release naltrexone
Heroin dependence is a quintessential international health problem, with a significant prevalence. Drug free treatments, including pharmacologically supported interventions using oral naltrexone, have not been very successful, mainly due to low compliance. The recent introduction of Vivitrol®, consisting of monthly injections, may create new opportunities. Vivitrol® is an innovative treatment delivery method that blocks the rewarding effects of heroin. ;
Endpoint Classification: Pharmacodynamics Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science
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