- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03226223
Pharmacogenetics of Naltrexone for Stimulant Abuse
November 8, 2020 updated by: Jermaine Jones, New York State Psychiatric Institute
Using Pharmacogenetics to Better Evaluate Naltrexone for Treating Stimulant Abuse
This investigation will be the first study assessing genetic modulation of naltrexone's NTX effects upon the abuse liability of a stimulant drug (methamphetamine).
The study team will assess the ability of oral NTX to block the reinforcing and positive subjective effects of intranasal (IN) methamphetamine (30mg/70kg).
This investigation could identify an important Gene x Pharmacological interaction, contributing to the personalization of stimulant abuse pharmacotherapy.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
A recent meta-analysis concluded that the OPRM1 A118G SNP (rs1799971) significantly moderates the treatment efficacy of Naltrexone (NTX) in treating alcohol abuse, increasing the treatment efficacy by over 2-fold among G-allele carriers (AG/GG).
The proposed application would be the first to investigate the moderating effect of this genotype in the efficacy of NTX to treat stimulant abuse.
More specifically, the study team proposes to investigate the interaction between NTX and intranasal (IN) methamphetamine (30mg/70kg).
Participants who meet DSM criteria for mild-to-severe stimulant use disorder (N=up to 70) will complete 4 testing sessions where drug effects are tested following pretreatment with NTX (0, 50 mg).
Naltrexone pretreatment effects upon the abuse liability of IN methamphetamine will be assessed using self-report measurements of positive subjective effects and drug self-administration.
Medication effects on these validated predictors of abuse potential will be compared between A118G A allele homozygotes (AA) and G-allele carriers (AG/GG; an anticipated 25% of the total sample), in order to assess genetic moderation of treatment outcome.
Study Type
Interventional
Enrollment (Actual)
18
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
New York
-
New York, New York, United States, 10032
- New York State Psychiatric Institute
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
21 years to 50 years (ADULT)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Male or female age 21 to 50 years
- DSM-5 criteria for mild-to-severe stimulant use disorder, along with intravenous, intranasal or smoked use of amphetamine-type stimulants in amounts equal to or greater than administered in the current study.
- Able to give written informed consent to participate.
- Females must be either post-menopausal, surgically sterilized, or using an acceptable method of contraception (double-barrier method like a condom with a spermicidal lubricant) to participate in this study.
- Racially Caucasian or of European descent.
Exclusion Criteria:
- Currently seeking treatment for a substance use disorder.
- DSM-5 criteria for moderate-to-severe substance use disorders (except those involving cocaine, amphetamines and nicotine).
- Psychiatric condition that may affect the participants' ability to provide informed consent (e.g., psychotic disorder), or make participation hazardous for the participant or study staff (e.g., severe depression/suicidality, or risk of violence).
- Uncontrolled neurological, cardiovascular, and hepatic diseases, active tuberculosis, or any other disorder that might make administration of study medications hazardous.
- Gastrointestinal or renal disease that would significantly impair absorption, metabolism or excretion of study drug, or require medication or medical treatment.
- Current treatment with a psychotropic medication that in the physician's judgement would interfere with the study endpoints.
- History of allergy, adverse reaction, or sensitivity to amphetamines.
Medical conditions that may make study participation hazardous:
- History of seizures or cardiac risk conditions (unstable angina, cardiac arrhythmias, chest pain, strong palpitations (subjectively defined as the feeling that the heart is beating too hard, too fast, skipping a beat, or fluttering).
- Elevated liver function tests (i.e., AST and ALT > 3 times the upper limit of normal).
- Impaired renal function (creatinine > 1.2).
- Hypertension (>140/90).
- Asthmatic symptoms within the past 3 years.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: BASIC_SCIENCE
- Allocation: RANDOMIZED
- Interventional Model: CROSSOVER
- Masking: SINGLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
PLACEBO_COMPARATOR: Naltrexone 0 mg
This aim assess the effects of pretreatment with 0 mg of naltrexone on laboratory measures of the abuse potential of methamphetamine (30mg/70 kg).
|
Intranasal Methamphetamine HCL administered at a dose of 30mg per 70 kg of the participants' body weight)
|
EXPERIMENTAL: Naltrexone 50 mg
This aim assess the effects of pretreatment with 50 mg of naltrexone on laboratory measures of the abuse potential of methamphetamine (30mg/70 kg).
|
Intranasal Methamphetamine HCL administered at a dose of 30mg per 70 kg of the participants' body weight)
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Methamphetamine Self-Administration
Time Frame: 1 day.
|
To assess the reinforcing effects of methamphetamine, participants complete a drug self-administration procedure.
The outcome measure for this procedure is the number of operant responses (clicks on a mouse) participant are willing to make in order to receive drug (methamphetamine).
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1 day.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Positive Subjective Effects of Methamphetamine.
Time Frame: 1 day
|
Participant ratings of methamphetamine "Liking," on a 100 mm visual analog scale.
Participants are asked to indicate on a 100 mm line the extent to which they agree with the description of the drug provided.
The 0 mm end of the line indicates "Not at All," while the 100 mm indicates "Extremely."
|
1 day
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Jermaine Jones, PhD, NYSPI
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (ACTUAL)
September 15, 2016
Primary Completion (ACTUAL)
July 15, 2019
Study Completion (ACTUAL)
July 30, 2020
Study Registration Dates
First Submitted
July 20, 2017
First Submitted That Met QC Criteria
July 20, 2017
First Posted (ACTUAL)
July 21, 2017
Study Record Updates
Last Update Posted (ACTUAL)
November 24, 2020
Last Update Submitted That Met QC Criteria
November 8, 2020
Last Verified
November 1, 2020
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Mental Disorders
- Chemically-Induced Disorders
- Substance-Related Disorders
- Physiological Effects of Drugs
- Adrenergic Agents
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Autonomic Agents
- Peripheral Nervous System Agents
- Neurotransmitter Uptake Inhibitors
- Membrane Transport Modulators
- Dopamine Agents
- Dopamine Uptake Inhibitors
- Central Nervous System Stimulants
- Sympathomimetics
- Adrenergic Uptake Inhibitors
- Methamphetamine
Other Study ID Numbers
- #7347
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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