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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT03879759
Registration number
NCT03879759
Ethics application status
Date submitted
10/03/2019
Date registered
19/03/2019
Date last updated
19/03/2019
Titles & IDs
Public title
The Efficacy and Neurobehavioural Mechanism of N-acetyl Cysteine (NAC) for Alcohol Dependence
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Scientific title
The Efficacy and Neurobehavioural Mechanism of N-acetyl Cysteine for Alcohol Dependence: An Exploratory Pilot Study
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Secondary ID [1]
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X17-0343
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Alcohol Dependence
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Condition category
Condition code
Mental Health
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Addiction
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - NAC 2400mg/day
Treatment: Drugs - Placebo
Experimental: Arm 1 - NAC - Relapse Prevention (4 wks)
Placebo comparator: Arm 2 - NAC - Relapse Prevention (4 wks)
Treatment: Drugs: NAC 2400mg/day
2400mg/day 2 x 600mg b.d
Treatment: Drugs: Placebo
4 matched placebo tablets/day
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Study 1: Alcohol consumption
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Assessment method [1]
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as measured by the number of heavy drinking days per week and number of drinks per drinking day
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Timepoint [1]
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4 weeks
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Primary outcome [2]
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Study 1: Alcohol consumption
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Assessment method [2]
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as measured by the abstinence rate, time to relapse and time to lapse
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Timepoint [2]
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4 weeks
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Primary outcome [3]
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Study 2: Amount of Benzodiazepines administered
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Assessment method [3]
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as measured by the number of benzodiazepines administered in the NAC vs placebo groups
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Timepoint [3]
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3 days
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Primary outcome [4]
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Study 2: Amount of Benzodiazepines administered
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Assessment method [4]
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as measured by Alcohol Withdrawal Scale (AWS) score
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Timepoint [4]
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3 days
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Primary outcome [5]
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Study 2: Amount of Benzodiazepines administered
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Assessment method [5]
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as measured by Visual Analogue Scale (VAS) score
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Timepoint [5]
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3 days
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Primary outcome [6]
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Study 2: Amount of Benzodiazepines administered
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Assessment method [6]
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as measured by Alcohol Urge Questionaire (AUQ) Score
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Timepoint [6]
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3 days
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Primary outcome [7]
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Study 3: Markers of neural inflammation and responses to alcohol cue
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Assessment method [7]
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as measured by differences in cortical levels of glutathione
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Timepoint [7]
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4 weeks
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Primary outcome [8]
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Study 3: Markers of neural inflammation and responses to alcohol cue
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Assessment method [8]
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as measured by differences in cortical levels of N-acetylaspartate
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Timepoint [8]
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4 weeks
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Primary outcome [9]
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Study 3: Markers of neural inflammation and responses to alcohol cue
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Assessment method [9]
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as measured by blood oxygen level dependent (BOLD) brain activation differences to alcohol cues (alcohol cue activation)
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Timepoint [9]
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4 weeks
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Secondary outcome [1]
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Alcohol craving
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Assessment method [1]
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as measured by Penn Alcohol Craving Scale (PACS) score
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Timepoint [1]
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4 weeks
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Secondary outcome [2]
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Mood
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Assessment method [2]
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as measured by Depression Anxiety Stress Scale (DASS) score
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Timepoint [2]
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4 weeks
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Eligibility
Key inclusion criteria
* Male and female patients between the ages of 18 and 65 meeting DSM-IV criteria for current alcohol use disorder (this is an exclusion for the healthy control sample)
* Able to understand and sign written informed consent
* Must have a stable residence and be able to identify an individual who could locate subject if needed
* Admitted for medical detoxification from alcohol (withdrawal study only)
* Blood alcohol concentration of 0.00 (if completing brain imaging session)
* Express a desire to achieve abstinence or to greatly reduce alcohol consumption (relapse prevention study only)
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Minimum age
18
Years
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Maximum age
65
Years
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
* Clinically significant comorbidities or medical disease that might interfere with the evaluation of the study medication or present a safety concern.
* Pregnant women and women of childbearing potential who do not practice a medically acceptable form of birth control
* Women who are breastfeeding
* Dependence on any substance other than nicotine
* Court-mandated participation in alcohol treatment or pending incarceration (relapse prevention study only)
* Treatment/ingestion during the previous week of benzodiazepines or other sedative-hypnotic medications or history of recent chronic treatment with sedative-hypnotic medications (withdrawal study only)
* Dependence on any substance other than nicotine
The following exclusion criteria are only applicable to participants undergoing the brain imaging session:
* Extreme obesity
* Pregnant or have any reason to believe they are pregnant;
* Previous brain surgery;
* Ever employed as a machinist, a welder or a metal worker;
* Epilepsy
* Metal items such as pacemakers; aneurysm clips in the brain; metal dental implants; metallic fragments in the eye or anywhere else; insulin pump; metal implants; hearing aid or a prosthetic device.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
UNKNOWN
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
22/08/2018
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
1/11/2020
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Actual
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Sample size
Target
40
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Drug Health Services, Royal Prince Alfred Hospital - Sydney
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Recruitment postcode(s) [1]
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2050 - Sydney
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Funding & Sponsors
Primary sponsor type
Other
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Name
South West Sydney Local Health District
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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National Health and Medical Research Council, Australia
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Address [1]
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Country [1]
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Other collaborator category [2]
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Other
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Name [2]
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University of Sydney
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Address [2]
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Country [2]
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Ethics approval
Ethics application status
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Summary
Brief summary
The study will explore the efficacy and tolerability of a regimen of NAC (2400 mg) versus placebo for the treatment of alcohol dependence.
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Trial website
https://clinicaltrials.gov/study/NCT03879759
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Paul S Haber, MBBS
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Address
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Sydney Local Health District
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Kirsten Morley, PhD
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Address
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Country
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Phone
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+61295153636
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Fax
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Email
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[email protected]
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT03879759
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