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Note: This record shows only the 20 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 13 May 2013
Main ID:  NCT01215929
Date of registration: 01/10/2010
Primary sponsor: University of Arkansas
Public title: Studying Amphetamine Withdrawal in Humans
Scientific title: Amphetamine Withdrawal Paradigm in Humans
Date of first enrolment: October 2009
Target sample size: 16
Recruitment status: Active, not recruiting
URL:  http://clinicaltrials.gov/show/NCT01215929
Study type:  Interventional
Study design:  Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment  
Countries of recruitment
United States
Contacts
Key inclusion & exclusion criteria

Inclusion Criteria:

- 21-65 years old

- not currently enrolled in a treatment program

- history of methamphetamine use with recent use confirmed by a positive urine
toxicology screen for amphetamines during the month prior to study entry

- self-reported Methamphetamine use on at least 15 of the past 30 days

- use of at least one half gram of methamphetamine per week during the month prior to
study entry

- women of childbearing age must have a negative pregnancy test to enroll in this study

Exclusion Criteria:

- current diagnosis of alcohol, opiate, or sedative physical dependence

- ill health (e.g., major cardiovascular, renal, endocrine, hepatic disorder)

- history of schizophrenia, or bipolar type I disorder

- present or recent use of over-the-counter or prescription psychoactive drug or
drug(s) that would be expected to have major interaction with d-amphetamine

- medical contraindication to receiving study medications (e.g., previous adverse
reaction to d-amphetamine)

- chronic pain condition (due to impact on neurophysiological responses

- current suicidality or psychosis

- liver function tests (i.e., liver enzymes) greater than three times normal levels

- pregnancy or breastfeeding

- children 18-20 will be excluded because the P50 potential is not fully developed in
children and adolescents



Age minimum: 21 Years
Age maximum: 65 Years
Gender: Both
Health Condition(s) or Problem(s) studied
Methamphetamine Dependence
Intervention(s)
Drug: Dextroamphetamine
Drug: Placebo
Primary Outcome(s)
Measure of methamphetamine withdrawal [Time Frame: at the end of week 4]
Measure of methamphetamine withdrawal [Time Frame: end of week 1]
Measure of methamphetamine withdrawal [Time Frame: end of week 2]
Measure of methamphetamine withdrawal [Time Frame: end of week 3]
Secondary Outcome(s)
Retention in treatment [Time Frame: at the end of week 4]
Secondary ID(s)
110743
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
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