- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03067636
Retraining Body and Brain to Conquer Compulsions
Retraining the Body and Brain to Conquer Compulsions
Following the realisation that many aspects of the way we live our life, such as our diet, activity levels, and amount of screen time, can have a potent impact on mental health and brain functioning 'lifestyle' based interventions have become topical in medical research. In particular, much scientific attention has been devoted to the impact of physical exercise and various stress reduction techniques on mood disorders. We aim to extend this work and investigate their impact on compulsivity.
We will do this by conducting a pilot proof-of-principal intervention study. The study will compare the impact of eight-weeks of:
- regular physical exercise + stress management activity A,
- regular physical exercise + stress management activity B,
- lifestyle as usual.
The participant cohort will be adults who endorse mild-moderate behavioural compulsivity on one of the following domains:
- drinking alcohol
- gambling
- eating
- washing or cleaning
- checking
- ordering or arranging objects
Study Overview
Status
Conditions
Detailed Description
This study is investigating the impact of regular physical exercise and stress management activities on mental health and brain function. It is specifically focusing on how engaging in these activities might impact activity in brain circuits associated with compulsivity, and help to reduce compulsive patterns of behaviour.
A compulsive behaviour is something that we do regularly, feel pressured to do, and have difficulty stopping even though it is not benefiting us. Having compulsive patterns of behaviour is very common. It's been estimated that as many as 80% of the general population experience compulsivity at some point in their lives. That's most of us! Compulsive behaviours range in severity from mild to entrenched, and can take many forms. For example, gambling too often or washing ones hands excessively. For some people what starts out as a mild pattern of behaviour, such as a glass of wine every night after a stressful day, can develop into a problem, like alcohol dependence. As so many people experience mild to moderate compulsivity it would be helpful to have accessible evidence-based strategies that reduce compulsive tendencies.
One promising candidate is physical exercise. In addition to the well-known physical health benefits, regular exercise also has a potent positive effect on brain health and mental well being. Other candidates are specific stress management activities. Certain stress management techniques, such as brain training, meditation, psycho-education, music therapy, yoga, and guided relaxation, can promote optimal mental health, improve cognitive functioning and help keep the body's physiological arousal systems within a healthy range. Some stress management activities may also help to reduce compulsive behavioural patterns. Importantly, as physical exercise increases neuroplasticity (i.e. malleability of the brain), engaging in regular exercise may enhance the effectiveness of concurrent stress management activities.
This research study is investigating the impact of eight-weeks of regular physical exercise paired with two different stress management activities on brain health, mental health, and compulsivity. Both of these activities have previously been shown to reduce stress and improve mental health, we are investigating whether one is more effective than the other.
As regular exercise and stress management training are time consuming, taking part in the study will reduce the opportunity to engage in compulsive behaviours. As such, our primary focus for the study will not be a reduction in the time spent engaging in compulsive behaviour. Instead, we will focus on whether the interventions modulate aspects of brain function associated with compulsivity (e.g. hippocampal integrity, functional brain activity during reward processing), aspects of cognition associated with compulsivity (e.g. affective processing bias and decision making), indices of the bodies stress system (e.g. cortisol awakening response), and aspects of mental health and quality of life that can be compromised in sub-clinical compulsive populations (e.g. experiential avoidance, general well being, symptoms of anxiety and depression).
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Victoria
-
Melbourne, Victoria, Australia, 3800
- Monash University, Brain and Mental Health Lab
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Voluntary and able to provide informed consent,
- Endorse current behavioural compulsiveness in one of the following domains: alcohol consumption, gambling, eating, checking, washing/cleaning, ordering/arranging,
- Severity of compulsivity falls within mild-moderate range on transdiagnostic YBOCS,
- Level of physical activity fell within WHO Global Recommendations on Physical Activity for Health guidelines definitions of 'sedentary/inactive' across the prior three months, and for a minimum of four of the prior six months.
- Ability to adhere to study procedures.
Exclusion Criteria:
- Lifetime history of DSM-5 defined psychotic illness, severe substance use disorder, severe gambling disorder, binge eating disorder, bulimia nervosa,
- Current major depressive episode or anxiety disorder,
- History of neurological illness or moderate - severe brain injury,
- Have a major unstable medical illness or a chronic pain condition,
- Have a history of cardiovascular disease or musculoskeletal injury or disease that would preclude safe engagement in VO2 max testing or regular physical exercise,
- Lifetime diagnosis of learning difficulty, ADHD, other condition involving cognitive impairment as a primary feature,
- Severe claustrophobia, metallic implant within the body or other contraindication to MRI scanning,
- Shift work employment schedule within the prior 6-months,
- Endocrine disorder, adrenal dysfunction, autoimmune disorder, or other condition known to have a direct effect on the HPA axis,
- Psychoactive or glucocorticoid medications within the past month,
- Currently pregnant or lactating.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Physical exercise + stress management activity A
Eight week program of concurrent exercise and stress management training.
|
Physical exercise: Amount of time exercising gradually titrated from 90-minutes in week one to 180-minutes in week eight.
Intensity titrated concurrently from 40 - 60% VO2 max in week one to 40 - 90% VO2 max in week eight.
Eight week gym membership provided to all participants to facilitate engagement in exercise.
Stress management training A: Daily stress management training for eight weeks with training activity delivered via app.
Session lengths titrated from 10-minutes per day in the first week to 20-minutes per day in week eight.
|
Active Comparator: Physical exercise + stress management activity B
Eight week program of concurrent exercise and stress management training.
|
Physical exercise: Amount of time exercising gradually titrated from 90-minutes in week one to 180-minutes in week eight.
Intensity titrated concurrently from 40 - 60% VO2 max in week one to 40 - 90% VO2 max in week eight.
Eight week gym membership provided to all participants to facilitate engagement in exercise.
Stress management training B: Daily stress management training for eight weeks with training activity delivered via app.
Session lengths titrated from 10-minutes per day in the first week to 20-minutes per day in week eight.
|
No Intervention: Lifestyle as usual
Eight weeks period with no alteration of usual lifestyle. Participants randomized to this arm are eligible for re-randomisation to one of the active conditions at the conclusion of week eight. |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in hippocampal integrity
Time Frame: Baseline (0 months), post (2 months)
|
Composite score of hippocampal health indices, including volume (structural MRI) and neuronal NAA levels (MRS).
|
Baseline (0 months), post (2 months)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in functional activation during reward processing
Time Frame: Baseline (0 months), post (2 months)
|
fMRI Monetary Incentive Delay Task
|
Baseline (0 months), post (2 months)
|
Change in cortisol awakening reponse
Time Frame: Baseline (0 months), post (2 months), follow up (three months)
|
Salivary cortisol
|
Baseline (0 months), post (2 months), follow up (three months)
|
Change in affective processing bias
Time Frame: Baseline (0 months), post (2 months), follow up (three months)
|
BeanFest
|
Baseline (0 months), post (2 months), follow up (three months)
|
Change in risky decision making
Time Frame: Baseline (0 months), post (2 months), follow up (three months)
|
Balloon Analogue Risk Task
|
Baseline (0 months), post (2 months), follow up (three months)
|
Change in behavioral compulsivity
Time Frame: Baseline (0 months), post (2 months), follow up (three months)
|
Transdiagnositc YBOCS
|
Baseline (0 months), post (2 months), follow up (three months)
|
Change in psychosocial well being
Time Frame: Baseline (0 months), post (2 months), follow up (three months)
|
Battery of self-report mental health and well being questionnaires assessing: symptoms of depression and anxiety, experiential avoidance, tolerance of uncertainly, impulsivity, obsession beliefs, well being, self efficacy, quality of life, and quality of inter-personal support.
|
Baseline (0 months), post (2 months), follow up (three months)
|
Change in physical fitness
Time Frame: Baseline (0 months), post (2 months), follow up (three months)
|
VO2 max
|
Baseline (0 months), post (2 months), follow up (three months)
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 20160437
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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