Using Neurofeedback to Understand the Relationship Between Stress and Alcohol Consumption

Официальное название

Probing the Influence of Neural Stress Responses on Problematic Alcohol Use With Real-time fMRI Neurofeedback (C04)

Обзор

In this research project, the aim is to discover the role specific brain networks play in the relationship between stress reactions and the desire for alcohol and alcohol consumption. To investigate this question, various brain imaging methods as well as cognitive tasks are combined. Various questionnaires are sampled and brain scans are conducted. Individuals interested in participating in the study have to fulfill certain criteria... * no serious medical or mental health diagnosis * problematic alcohol drinking habits * interested in improving drinking habits ...and undergo various non-invasive procedures * filling out several questionnaires concerning personality and habits * undergoing a mental performance task while being in a brain scanner (MRI) * attempting to regulate their own brain activity while lying in the MRI scanner * filling out an electronic diary for 6 weeks - concerning daily mood, stress, and alcohol habits Participants will be randomly allocated to either one of 2 experimental groups. Both groups undergo the same tasks, receive the same instructions and only differ regarding some aspects of the brain self-regulation task .

Подробное описание

While it is well known and long acknowledged in scientific research that stress and alcohol consumption are closely linked, the actual relationship is complex, and the underlying mechanisms are only partially understood. To investigate the effects of acute stress under controlled conditions, experimental procedures, stress tests, and related paradigms are often employed. Studies on alcohol addiction generally indicate an increase in acute cravings following the experimental induction of stress. Neurologically, acute stress induction is associated with activation changes in widespread networks. In particular, research employing stress tests found increased activations in striatum, thalamus and limbic areas and deactivations in anterior cingulate cortex (ACC) as well as ventromedial prefrontal cortex (vmPFC), areas often associated with emotion regulation during stress induction. Given their role in emotion regulation, deactivations in these areas could reflect a reduction in emotional control during acute stress. Deactivation of these areas during experimentally induced stress has also been linked to problematic alcohol consumption and increased alcohol cravings.

This study aims to elucidate how neurocognitive processes during stress influence alcohol cravings and consumption. To this end, participants with problematic alcohol consumption will be recruited. After having filled out various questionnaires pertaining to their biographical data, alcohol consumption and personality traits, participants will be experimentally stressed during a brain scan using functional Magnetic Resonance Imaging (fMRI). To reliably induce psychosocial stress, the ScanSTRESS test, a paradigm explicitly conceptualized for usage during MRI scanning, will be employed. Once the stress test is completed, participants will attempt to regulate their own neurological stress response through upregulation of the ACC using information about their current stress-induced brain activity (neurofeedback). Additionally, saliva samples will be regularly taken during the experiment to biologically observe the stress response through cortisol measurements. This will be followed by a 6-week follow-up phase, during which participants will be specifically asked about their alcohol cravings, alcohol consumption, and daily stress experiences.

By employing real-time fMRI neurofeedback, this study creates experimental conditions in which participants can self-regulate the neural stress response of the targeted brain network. Nonspecific effects of the neurofeedback paradigm are controlled using a sham condition (Yoke-control group). Participants are randomly assigned to either the control group or the real neurofeedback group (experimental group). This approach allows for the investigation of the neural self-regulation abilities of emotional control networks and their role in the connection between stress, alcohol cravings, and drinking behavior in real life.

In summary, this study aims to examine the relationship between the self-regulation abilities of neural stress responses and real-life drinking behavior.

Investigators hypothesize that 1) the stress experiment significantly increases acute self-reported stress in participants, 2) specifically stress-induced patterns of neural activity, namely increased striatal and thalamic activity as well as decreased ACC activity, predict alcohol cravings and consumption, 3) the experimental neurofeedback group exhibits higher ACC activity during brain self-regulation than the control group, 4) the experimental group shows lower alcohol craving/consumption during the follow-up phase.

Вмешательства

• Поведенческое ScanSTRESS fMRI-paradigm (Streit et al., 2014)
  The task is conducted within the MRI scanner and consists of two runs each lasting 11:20 mins., employs a block design and has two different conditions (performance, relaxation), as well as two different task within each condition. Participants undergo the following 2 tasks during the performance condition under time pressure: 1) serial subtraction, 2) a figure matching task. During the performance condition, all participants receive feedback (work faster, mistake, too slow) and are reprimanded
• Поведенческое real-time fMRI neurofeedback
  Two real-time fMRI neurofeedback sessions of 9:30 minutes each are conducted. During these sessions, the participants are instructed to regulate a feedback signal from the ACC. Participants are assigned to either the experimental or Yoke-control group through an automated double-blind procedure. In the neurofeedback sessions, participants in the experimental group receive a feedback signal indicating their current ACC activation. Participants in the control group receive the recorded feedback si

Первичные конечные точки

• Neurofeedback/Stress-Regulation Parameters [Срок оценки: Assessed during each of the two neurofeedback runs, 9:30 minutes respectively]
• Stress-induced neural activation [Срок оценки: 23 minutes - 2 runs lasting 11:20 minutes each]
• Cortisol [Срок оценки: Three measurement time points: 1. T0: 10 minutes before the ScanStress Test 2. T1: 33 minutes after T0 (after the ScanStress Test) 3. T2: 52 minutes after T0 (after both fMRI paradigms -ScanStress & Neurofeedback)]
• Craving [Срок оценки: Three measurement time points: 1. T0: 10 minutes before the ScanStress Test 2. T1: 33 minutes after T0 (after the ScanStress Test) 3. T2: 52 minutes after T0 (after both fMRI paradigms -ScanStress & Neurofeedback)]
• Ecological/electronic Momentary Assessment (movisensXS) [Срок оценки: 6 weeks starting from the conclusion of the neurofeedback intervention]

Критерии участия

Критерии включения

• Age 18-65 years
• Presence of 2 to a maximum of 5 criteria for alcohol use disorder according to DSM-5
• no clinical necessity for detoxification treatment
• participants may have a moderate cannabis use disorder and tobacco use disorder
• Capacity for consent and ability to use self-assessment scales
• Sufficient knowledge of German
• Willingness to use a mobile phone with Android operating system

Критерии исключения

• Lifetime diagnosis of bipolar or psychotic disorder or a substance use disorder according to Diagnostical and Statistical Manual of Mental Disorders - 5 (DSM-5) that is not alcohol, cannabis, or tobacco use disorder
• Current substance use other than cannabis and tobacco
• Current diagnosis of one of the following conditions according to DSM-5: (hypo)manic episode, major depression, generalized anxiety disorder, post-traumatic stress disorder, borderline personality disorder, or obsessive-compulsive disorder
• History of severe head trauma or other severe central neurological disorders (dementia, Parkinson\'s disease, multiple sclerosis)
• Pregnancy or lactation
• Use of medications known to interact with the central nervous system within the last 10 days; testing at least four half-lives after the last dose
• Exercising the prerogative of the \"Right not to know\" in the context of incidental findings during an examination or investigation

Критерии приведены из реестра в оригинале (на английском). Окончательную оценку соответствия проводит исследовательский центр.

Здоровые добровольцы: Нет

Дизайн исследования

Распределение

Рандомизированное

Модель

Параллельные группы

Маскирование

Двойное слепое

Основная цель

Фундаментальное исследование

Центры проведения

Германия · 1 центр

• Central Institute of Mental Health - Department of Clinical Psychology — Mannheim

Публикации

• Wolkowicz NR, Peltier MR, Wemm S, MacLean RR. Subjective stress and alcohol use among young adult and adult drinkers: Systematic review of studies using Intensive Longitudinal Designs. Drug Alcohol Depend Rep. 2022 Mar 11;3:100039. doi: 10.1016/j.dadr.2022.100039. eCollection 2022 Jun. PMID 36845979
• Vollstadt-Klein S, Hermann D, Rabinstein J, Wichert S, Klein O, Ende G, Mann K. Increased activation of the ACC during a spatial working memory task in alcohol-dependence versus heavy social drinking. Alcohol Clin Exp Res. 2010 May;34(5):771-6. doi: 10.1111/j.1530-0277.2010.01149.x. Epub 2010 Mar 1. PMID 20201927
• Vollstadt-Klein S, Lemenager T, Jorde A, Kiefer F, Nakovics H. Development and validation of the craving automated scale for alcohol. Alcohol Clin Exp Res. 2015 Feb;39(2):333-42. doi: 10.1111/acer.12636. PMID 25684052
• Streit F, Haddad L, Paul T, Frank J, Schafer A, Nikitopoulos J, Akdeniz C, Lederbogen F, Treutlein J, Witt S, Meyer-Lindenberg A, Rietschel M, Kirsch P, Wust S. A functional variant in the neuropeptide S receptor 1 gene moderates the influence of urban upbringing on stress processing in the amygdala. Stress. 2014 Jul;17(4):352-61. doi: 10.3109/10253890.2014.921903. Epub 2014 Jun 16. PMID 24800784
• Sinha R, Li CS. Imaging stress- and cue-induced drug and alcohol craving: association with relapse and clinical implications. Drug Alcohol Rev. 2007 Jan;26(1):25-31. doi: 10.1080/09595230601036960. PMID 17364833
• Sinha R, Fox HC, Hong KA, Bergquist K, Bhagwagar Z, Siedlarz KM. Enhanced negative emotion and alcohol craving, and altered physiological responses following stress and cue exposure in alcohol dependent individuals. Neuropsychopharmacology. 2009 Apr;34(5):1198-208. doi: 10.1038/npp.2008.78. Epub 2008 Jun 18. PMID 18563062
• Seo D, Lacadie CM, Tuit K, Hong KI, Constable RT, Sinha R. Disrupted ventromedial prefrontal function, alcohol craving, and subsequent relapse risk. JAMA Psychiatry. 2013 Jul;70(7):727-39. doi: 10.1001/jamapsychiatry.2013.762. PMID 23636842
• Seo D, Lacadie CM, Sinha R. Neural Correlates and Connectivity Underlying Stress-Related Impulse Control Difficulties in Alcoholism. Alcohol Clin Exp Res. 2016 Sep;40(9):1884-94. doi: 10.1111/acer.13166. Epub 2016 Aug 8. PMID 27501356

Идентификаторы

NCT: NCT06247306 · U1111-1302-2402 · TRR265-C04

Первоисточники (государственные реестры)

• ClinicalTrials.gov (NIH, США)

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