Psychopharmacotherapy in Multiple Substances Abuse

Status Completed

Clinical Trial Summary

Add-on of memantine or placebo treatment will proceed in a double-blinded fashion for 12 weeks after adjusted methadone dose. During the study, the investigators will evaluate treatment response and adverse effect from multiple dimensions to elucidate the therapeutic effect of add-on memantine on addictive behaviors. It will also explore the possible advantage of this treatment on social re-adaptation and psychopathogenesis of opioid dependence.

Clinical Trial Description

Opioid dependence is currently a severe problem for public health and social security. Methadone maintenance therapy may decrease the criminal rate and increase the quality of life for individuals with opioid dependence, but the high drop-out rate and long-term requirement to use of methadone are major problems in methadone maintenance therapy for opioid dependence. Methadone is after all another long acting opioid which may cause dependence. Therefore, current effort of methadone maintenance therapy is limited.

Memantine used to be recognized as a noncompetitive N-methyl-D-aspartate receptor antagonist. It was found with neuroprotective effects in several neurodegenerative diseases in recent few years. Memantine could inhibit brain inflammatory response through its action on reuroglial cells and provide neurotrophic effect. Previous studies also found memantine with inhibitory effects addictive behaviors in several substances. All of the above demonstrated that the combination of memantine and methadone in treating substance dependence prossess unique advantages, which may be superior to the original treatment. The main purpose of this study is to explore the neuroprotective effect of memantine on inhibition of brain inflammatory response through its action on reuroglial cells. Besides, we will evaluate the therapeutic effect of the combination of memantine and methadone in the subjects with opioid combine amphetamine dependence/abuse. It will also investigate multiple pathogenesis of addictive behaviors from the perspective of treatment response. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01189214
Study type	Interventional
Source	National Cheng-Kung University Hospital
Contact
Status	Completed
Phase	Phase 3
Start date	March 2009
Completion date	June 2011

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Psychopharmacotherapy in Multiple Substances Abuse — MM opioid

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms