NAC as a Potential Treatment for Methamphetamine Dependence

Status Completed

Clinical Trial Summary

The purpose of this study is to determine the effects of treatment with NAC, compared to treatment with placebo, on cue- and methamphetamine (MA)-induced craving and MA subjective effects in non-treatment-seeking MA-dependent human volunteers. We also aim to determine the effects of treatment with NAC, compared to treatment with placebo, on the reinforcing effects of MA by measuring MA self-administration in non-treatment-seeking MA-dependent human volunteers.

Clinical Trial Description

N-acetyl-l-cysteine (NAC) treatment is associated with reduced susceptibility to reinstatement of cocaine seeking behavior in rats (Baker et al 2002) and with reduced cue-induced craving in cocaine-dependent human volunteers (LaRowe et al 2006). We propose these aims to evaluate the potential of NAC as a treatment for methamphetamine (MA) dependence: Specific Aim 1: To determine the effects of treatment with NAC(placebo, 1800 and 3600mg daily), compared to treatment with placebo, on cue- and MA-induced craving and MA subjective effects in non-treatment-seeking MA-dependent human volunteers. We hypothesize that treatment with NAC will reduce craving for MA reported following exposure to MA cues and will reduce craving and MA subjective effects reported following non-contingent administration of MA (0mg,9mg, and 30 mg, IV). Specific Aim 2: To determine the effects of treatment with NAC (placebo, 1800 and 3600mg daily), compared to treatment with placebo, on the reinforcing effects of MA by measuring MA self-administration in non-treatment-seeking MA-dependent human volunteers. We hypothesize that treatment with NAC will reduce the number of choices made for MA during choice sessions. ;

Study Design

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

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01063205
Study type	Interventional
Source	Baylor College of Medicine
Contact
Status	Completed
Phase	Phase 1
Start date	March 2010
Completion date	July 2011

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