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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04630184
Other study ID #
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date September 1, 2021
Est. completion date December 31, 2023

Study information

Verified date October 2022
Source Universite du Quebec en Outaouais
Contact aurelie Baillot
Phone 8199437561
Email aurelie.baillot@uqo.ca
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The objectives of the project are to: i) assess the feasibility and acceptability of the protocol and the VR exposure intervention in women with obesity, and ii) obtain an estimate of the effect of VR exposure intervention associated with an exercise training on SPA, compliance, adherence and persistence to the exercise training, as well as persistence in PA practice in the middle term to calculate the sample size for a future larger randomized controlled trial (RCT) in women with obesity. A RCT of feasibility will be carried out. Forty-five women with obesity and a high level of SPA will be randomized into one of the following three groups: 1) Exercice and VR exposure (Ex + expo), 2) Exercise and psychological intervention control (Ex + control) or 3) waiting list (WL). The interventions will have a physical exercise training (identical for all) and a psychology intervention (different according to the condition: VR exposure or control). The feasibility and acceptability of the protocol and the VR exposure intervention will be assessed at the end of the study. SPA, PA practice, anthropometry, internalization of weight bias, body appreciation, perceived pleasure, motivational regulation, self-efficacy, affects as well as perception effort will be evaluated with questionnaires and scales validated before and after the intervention and 6 months after the end of the intervention. Sociodemographic data, depressive symptoms, problematic eating behaviors and propensity to immersion will be assessed during the initial visit only. Adherence, adherence and persistence to the PA program will be calculated at the end of the intervention. Persistence in PA practice will be calculated using data collected immediately after the end of the intervention and 6 months after the intervention.


Description:

Several studies show that a high level of social physical anxiety (SPA) can lead to avoidance and poor adherence to physical activity (PA) programs. Although this link is known and a high level of SPA is frequently found in women with obesity, no psychological intervention specific to the treatment of SPA has been developed to date. Exposure therapy is the treatment of choice for general social anxiety. However, this format of therapy can cause great discomfort for the patient and prevents complete control of the environment by the clinician. Virtual reality (VR), commonly employed in the treatment of anxiety disorders, offers a solution to these problems by allowing exposure to human stimuli in an adaptable environment and under the control of the clinician, with a reduction in stress patient discomfort. The objectives of the project are to: i) assess the feasibility and acceptability of the protocol and the VR exposure intervention in women with obesity, and ii) obtain an estimate of the effect of VR exposure intervention associated with an exercise training on SPA, compliance, adherence and persistence to the exercise training, as well as persistence in PA practice in the middle term to calculate the sample size for a future larger randomized controlled trial (RCT) in women with obesity. A RCT of feasibility will be carried out. Forty-five women with obesity and a high level of SPA will be randomized into one of the following three groups: 1) Exercice and VR exposure (Ex + expo), 2) Exercise and psychological intervention control (Ex + control) or 3) waiting list (WL). The interventions will have a physical exercise training (identical for all) and a psychology intervention (different according to the condition: VR exposure or control). The feasibility and acceptability of the protocol and the VR exposure intervention will be assessed at the end of the study. SPA, PA practice, anthropometry, internalization of weight bias, body appreciation, perceived pleasure, motivational regulation, self-efficacy, affects as well as perception effort will be evaluated with questionnaires and scales validated before and after the intervention and 6 months after the end of the intervention. Sociodemographic data, depressive symptoms, problematic eating behaviors and propensity to immersion will be assessed during the initial visit only. Adherence, adherence and persistence to the PA program will be calculated at the end of the intervention. Persistence in PA practice will be calculated using data collected immediately after the end of the intervention and 6 months after the intervention.


Recruitment information / eligibility

Status Recruiting
Enrollment 45
Est. completion date December 31, 2023
Est. primary completion date March 31, 2023
Accepts healthy volunteers No
Gender Female
Age group 18 Years to 45 Years
Eligibility Inclusion Criteria: - woman - inactive (<150 min. of moderate to vigorous PA / week ) - aged between 18 and 45 years - BMI = 30 kg / m2 - to be able to go to Université du Québec en Outaouais twice a week Exclusion Criteria: - to have a low to moderate social physical anxiety level (SPA score <27/45 on the physical and social anxiety scale ) - suffer from hypersensitivity to motion sickness - to be pregnant or plan to become over the next year - to take medication that may influence weight - to have undergone bariatric surgery - to have a contraindication to physical activity - to have participated in a physical activity program in the last 6 months supervised - to have an intellectual disability, and have a severe and persistent psychiatric problem (psychosis, bipolar disorder).

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Exposure intervention in virtual reality
6 sessions of 45 minutes weekly and 2 follow-up meetings (3 and 6 weeks after the weekly follow-up) with cognitive restructuring and VR exposure supervised by psychologists
Exercise
Participants will have to go twice a week, for 12 weeks to carry out 2 individual endurance training sessions of 45 minutes (moderate to vigorous intensity), supervised by a kinesiologist. Participants will also have to complete a 3rd 60-minute endurance session at home (or two 30-minute sessions).
Placebo
6 sessions of 45 minutes weekly and 2 follow-up meetings (3 and 6 weeks after the weekly follow-up) Discussion around social physical anxiety, stress management (relaxation and breathing) supervised by psychologists

Locations

Country Name City State
Canada UQO Gatineau Quebec

Sponsors (1)

Lead Sponsor Collaborator
Universite du Quebec en Outaouais

Country where clinical trial is conducted

Canada, 

Outcome

Type Measure Description Time frame Safety issue
Other Propensity to immersion Validated questionnaire Before the intervention (baseline)
Other The feeling of presence in immersion the feeling of presence in immersion Gatineau presence questionnaire after each virtual reality session (weeks 1, 2, 3, 4, 5,6 , 9 amd 12)
Other Cybermalaise Simulator Sickness Questionnaire before and after each virtual reality session (weeks 1, 2, 3, 4, 5,6 , 9 amd 12)
Other Sociodemographic data age, sex,ethnocultural group, level of education, professional status before the intervention (baseline)
Other Depressive symptoms Center Epidémiologic Scale-Depression-French ; scale (0-3) score range (0-60) higher score = higher depressive symptoms before the intervention (baseline)
Other Food disorder Eating Attitudes Test-26 ; scale (0-3) score range (0-78), Higher scores indicating greater risk of an eating disorder before the intervention (baseline)
Other Weight Bias Internalisation change (0-12 weeks) Modified Weight Bias Internalisation Scale, scale (1-7), range score (11-77), higher score = higher Weight Bias Internalization) Before and after intervention (Baseline and after 12 weeks)
Other Body composition change (0-12 weeks) bio-impedance balance (Tanita MC 780U) made by research assistant Before and after intervention (Baseline and after 12 weeks)
Other Body index mass change (0-12 weeks) scale and measuring rod to measure the size made by research assistant Before and after intervention (Baseline and after 12 weeks)
Other Waist circumference change (0-12 weeks) tape measure made by research assistant Before and after intervention (Baseline and after 12 weeks)
Other Body Appreciation change (0-12 weeks) Body Appreciation Scale-2, scale (1-5) score range (1-5), higher score = higher body satisfaction Before and after intervention (Baseline and after 12 weeks)
Other Perceived pleasure in physical activity in general (0-12 weeks) Physical Activity Enjoyment Scale, scale (1-7) score (1-7) higher score = higher enjoyment Before and after intervention (Baseline and after 12 weeks)
Other Motivation change (0-12 weeks) Behavioural Regulation In Exercise Questionnaire, scale (0-4), Higher, positive scores indicate greater relative autonomy; lower, negative scores indicate more controlled regulation. Before and after intervention (Baseline and after 12 weeks)
Other Affects during exercise change (0-12 weeks) Felt Arousal Scale (score 1-6) higher score = higher felt arousal + Feeling Scale (score -5,5) higher score higher pleasure Before and after intervention (Baseline and after 12 weeks)
Other Self-efficacy change (0-12 weeks) Self efficacy scale (Bandura), scale (0-100) score range (0-100) higher score = higher self efficacy Before and after intervention (Baseline and after 12 weeks)
Other Perception effort change (0-12 weeks) Borg scale, scale and score range (0-10), higher score = higher perception of effort Before and after intervention (Baseline and after 12 weeks)
Primary Feasibility of the protocol and the intervention The feasibility of the protocol will be assessed at the end of the study using the following criteria: i) the recruitment rate (number of participants recruited per month), ii) the retention rate (number of participants who have completed all the assessments and focus group and reason for dropout), iii) percentage of missing data (number of missing data out of number of total data) and iv) acceptance of randomization.
The feasibility of the intervention will be evaluated at the end of the study using the following criteria: v) the participation rate (number of eligible participants who agreed to participate in the study), vi) the participation rate adherence (number of participants who completed the 8 psychological intervention sessions), vii) the attrition rate (number of participants who abandoned the psychological intervention and reasons).
The achievement of the following criteria will be considered as a success factor in terms of feasibility (14, 23): i) recruitment rate = 5.6,
At the end of the study (+ 36 weeks)
Primary Acceptability of the protocol and the intervention The acceptability of the protocol and the intervention will be qualitatively assessed through 5 to 7 semi-structured discussion groups by teleconference via the zoom platform. The participants will be interviewed for 75 minutes in sub-groups of 6 to 8 participants on their perception, opinion and experience regarding the intervention and the implementation of the protocol (barriers, facilitators, satisfaction, perceived benefits, recommendation and improvement). An interview guide constructed for the purpose of the study will ensure consistency of the themes explored between the different groups while guiding the group facilitation. At the end of the intervention (+ 12 weeks)
Secondary Social physical anxiety change (0-12 weeks) Social physical anxiety scale (validated questionnaire) Before and after intervention (Baseline and after 12 weeks)
Secondary Adherence to the physical activity (PA) intervention Adherence to the PA intervention will be calculated as a percentage from the total number of sessions performed out of the 36 prescribed sessions (frequency). At the end of the PA intervention (after 12 weeks)
Secondary Compliance with the PA intervention Compliance with the PA intervention will be calculated as a percentage from the number of sessions for which the participant will have prescribed the prescription compared to all sessions. For these calculations, data from heart rate monitors worn by participants during PA sessions and diaries completed by participants and the kinesiologist will be used. At the end of the PA intervention (after 12 weeks)
Secondary Physical activity change (0-12 weeks) Triaxial accelerometer (Actigraph® wGT3X-BT) worn on the hip for 7 days Before and after intervention (Baseline and after 12 weeks)
Secondary Persistance in the practice of PA after the intervention Triaxial accelerometer (Actigraph® wGT3X-BT) worn on the hip for 7 days Immediately after the intervention and at the end of the study (after 12 weeks and 36 weeks)
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