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Cue Effects in Human Addiction: Pavlovian to Instrumental Transfer

Recruiting
Conditions
Alcohol Use Disorder (AUD)
Alcoholism
Substance Use Disorders
Smoking, Tobacco
Stress Reaction
Stress
Registration Number
NCT05992272
Lead Sponsor
Charite University, Berlin, Germany
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
300
Inclusion Criteria

Inclusion Criteria:<br><br> - males and females between 16-65 years of age<br><br> - AUD subjects only: meet a minimum of 2 criteria for DSM-5 alcohol-related disorder<br> (AUD) (not requiring withdrawal as assessed by an independent psychiatrist) and<br> AUDIT > 4<br><br> - Smokers: Daily smokers only: smoke 7 days/week during the last three months<br><br> - Non-daily smokers only: smoke at least once but less than 7 days/week during the<br> last three months<br><br> - Ability to consent to the study and complete the questionnaires<br><br> - Sufficient language skills: German<br><br> - Availability between 3pm-6pm on 2 consecutive days (Experiment 1, acute stress<br> question)<br><br> - Females only: luteal phase (Experiment 1, acute stress question)<br><br>Exclusion Criteria:<br><br> - Lifetime diagnosis according to DMS-5 for: Bipolar disorder, schizophrenia,<br> schizophrenia spectrum disorder, substance dependence except for alcohol, nicotine,<br> or cannabis<br><br> - Currently meeting DSM-5 diagnostic criteria for a depressive episode, suicidal<br> ideation<br><br> - Past traumatic brain injury or severe neurological disease (such as dementia,<br> Parkinson's disease, multiple sclerosis)<br><br> - Pregnancy or breastfeeding<br><br> - Ingestion of medications known to interact with the CNS in the 10-day period prior<br> to study participation or less than 4 half-lives after last ingestion (rapid urine<br> test)<br><br> - MR contraindications (e.g., pacemakers, metallic or electronic implants, metallic<br> splinters, surgical staples)<br><br> - Color vision deficiency<br><br> - Sensorineural hearing loss of 30 dB or greater,<br><br> - Tinnitus<br><br> - Presence of claustrophobia<br><br> - Acute alcohol intoxication at MRI appointments verified by breath alcohol testing or<br> drug intoxication verified by rapid urine testing<br><br> - For women only: not peri- or postmenopausal, not taking contraceptives (Experiment<br> 1, acute stress question)

Exclusion Criteria

Not provided

Study & Design

Study Type
Observational
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Neural PIT effect day 1;Neural PIT effect day 2;Behavioral PIT effect on performance day 1;Behavioral PIT effect on velocity day 1;Behavioral PIT effect on velocity day 2;Chronic stress effects on hair cortisol in picogram/milligram;Chronic stress quenstionnaire 1;Chronic stress quenstionnaire 2;Chronic stress quenstionnaire 3;cognitive control Stroop effect;cognitive control Simon effect;cognitive control interference effect;Acute stress day 1;Acute stress day 2
Secondary Outcome Measures
NameTimeMethod
Saliva cortisol concentration in nmol/litre;alcohol consumption after 12 months
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