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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04137471
Other study ID # RECHMPL19_0466
Secondary ID
Status Completed
Phase
First received
Last updated
Start date November 1, 2019
Est. completion date March 31, 2021

Study information

Verified date October 2021
Source University Hospital, Montpellier
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Background: Bypassing a reductionist view of existing diagnostic categories, ontological addiction theory (OAT) is a new psychological model of human functioning and mental illness. Ontological addiction is a maladaptive condition that stems from an erroneous belief in an inherently existing Self or "I", which is deemed to be the root of all suffering. Five experts from four different countries have created the Ontological Addiction Scale (OAS) to measure the condition and its impact on people's lives. The purpose of this study is to test this scale, evaluating levels of ontological addiction in individuals suffering from emotional or mood disorder, and assess its psychometric properties. Methods: This trial will be conducted in compliance with the COSMIN Guidelines. The investigators will collect data from 400 individuals, aged 18 to 70, suffering from emotional or mood disorder, referred to the Therapeutic Center for Mood and Emotional Disorders for an 8-week-mindfulness-based-intervention. Patients will complete the OAS at three time points: one month before the beginning of the therapy, within one week prior to the beginning of therapy, and one year after the end of the therapy. This scale will be completed in conjunction with other practice assessments relating to the psychotherapeutic program. The psychometric properties of the OAS will be assessed. Discussion: The Investigators aim to validate a scale assessing a psychological dimension as the root of all mental disorders. The present study may contribute to overcoming limitations of categorical understanding of mental disorders, thus moving toward a more encompassing dimensional comprehension. The scale is responsive to current thinking in modern psychiatry, and it is envisaged that its validation will deeply impact research and care perspectives


Recruitment information / eligibility

Status Completed
Enrollment 400
Est. completion date March 31, 2021
Est. primary completion date March 1, 2021
Accepts healthy volunteers No
Gender All
Age group 18 Years to 70 Years
Eligibility Inclusion criteria: An individual must fulfill all of the following criteria in order to be eligible for study enrollment: - Aged between 18 and 70 years - Suffering from mood disorder (bipolar or unipolar) and/or emotional disorder (subjective complaint for difficulties to regulate emotions). - Being referred to the Therapeutic Center for Mood and Emotional Disorders for an 8-week-mindfulness-based-intervention - Subjects must be able to attend all scheduled visits and to comply with all trial procedures - Subjects must be covered by public health insurance Exclusion criteria - Subject unable to read or/and write - Psychosis - Subject who are in a dependency or employment with the sponsor or the investigator

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
France Uh Montpellier Montpellier

Sponsors (1)

Lead Sponsor Collaborator
University Hospital, Montpellier

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Validation of the Ontological Addiction Scale by measurement of its psychometric properties Evaluation of the structural validity of the Ontological Addiction Scale (OAS) one year after the end of the therapy
Secondary Measurement of the structural validity of the Ontological Addiction Scale by means of factor analysis (the technique of rotation of the main axes varimax will be used) Evaluation of the structural validity of the Ontological Addiction Scale (OAS) pre-treatment (first assessment) within one week prior to the beginning of therapy
Secondary Measurement of internal consistency of the Ontological Addiction Scale by a multitrait analysis (assessment of redundancy between items, validation of item consistency, assessment of item dimension intercorrelations) Evaluation of internal consistency of the Ontological Addiction Scale (OAS) pre-treatment (first assessment) within one week prior to the beginning of therapy
Secondary Measurement of reliability of the Ontological Addiction Scale by test-retest (degree to which the measurement is free from measurement error) Evaluation of reliability of the Ontological Addiction Scale (OAS) pre-treatment (first assessment) within one week prior to the beginning of therapy
Secondary Error measurement of the Ontological Addiction Scale by the calculation of the Strandard Error of the Mean. Measurment error of the Ontological Addiction Scale (OAS) pre-treatment (first assessment) within one week prior to the beginning of therapy
Secondary Content validity measurement of the Ontological Addiction Scale Content validity measurement of the Addiction Scale (OAS) by content validity index (assessment of the simplicity and clarity of the questionnaire on a 4-point likert scale from not relevant to highly relevant. The answers will then be dichotomized as "not relevant" (score 1 or 2) or "relevant" (score 3 or 4)). pre-treatment (first assessment) within one week prior to the beginning of therapy
Secondary Levels of concern about the mental representation that patients have of themselves (ontological addiction) by the Ontological Addiction Scale (by responding either "never", "rarely", "sometimes", "often", "always" to the 24 items) Evaluation of ontological addiction by the ontological addiction scale pre-treatment (first assessment) within one week prior to the beginning of therapy
Secondary Measurement of the structural validity of the Ontological Addiction Scale by means of factor analysis (the technique of rotation of the main axes varimax will be used) Evaluation of the structural validity of the Ontological Addiction Scale (OAS) post therapy (second assessment) within the week following completion of therapy
Secondary Measurement of internal consistency of the Ontological Addiction Scale by a multitrait analysis (assessment of redundancy between items, validation of item consistency, assessment of item dimension intercorrelations) Evaluation of internal consistency of the Ontological Addiction Scale (OAS) post therapy (second assessment) within the week following completion of therapy
Secondary Measurement of reliability of the Ontological Addiction Scale by test-retest (degree to which the measurement is free from measurement error) Evaluation of reliability of the Ontological Addiction Scale (OAS) post therapy (second assessment) within the week following completion of therapy
Secondary Error measurement of the Ontological Addiction Scale by the calculation of the Strandard Error of the Mean Measurment error of the Ontological Addiction Scale (OAS) post therapy (second assessment) within the week following completion of therapy
Secondary Content validity measurement of the Ontological Addiction Scale Content validity measurement of the Addiction Scale (OAS) by content validity index (assessment of the simplicity and clarity of the questionnaire on a 4-point likert scale from not relevant to highly relevant). The answers will then be dichotomized as "not relevant" (score 1 or 2) or "relevant" (score 3 or 4)). post therapy (second assessment) within the week following completion of therapy
Secondary Levels of concern about the mental representation that patients have of themselves (ontological addiction) by the Ontological Addiction Scale (by responding either "never", "rarely", "sometimes", "often", "always" to the 24 items) Evaluation of ontological addiction by the ontological addiction scale post therapy (second assessment) within the week following completion of therapy
Secondary Measurement of the structural validity of the Ontological Addiction Scale by means of factor analysis (the technique of rotation of the main axes varimax will be used) Evaluation of the structural validity of the Ontological Addiction Scale (OAS) one year after the end of the therapy.
Secondary Measurement of internal consistency of the Ontological Addiction Scale by a multitrait analysis (assessment of redundancy between items, validation of item consistency, assessment of item dimension intercorrelations) one year after the end of the therapy. Evaluation of internal consistency of the Ontological Addiction Scale (OAS)
Secondary Measurement of reliability of the Ontological Addiction Scale by test-retest (degree to which the measurement is free from measurement error) Evaluation of reliability of the Ontological Addiction Scale (OAS) one year after the end of the therapy.
Secondary Error measurement of the Ontological Addiction Scale by the calculation of the Strandard Error of the Mean Measurment error of the Ontological Addiction Scale (OAS) one year after the end of the therapy.
Secondary Content validity measurement of the Ontological Addiction Scale Content validity measurement of the Addiction Scale (OAS) by content validity index (assessment of the simplicity and clarity of the questionnaire on a 4-point likert scale from not relevant to highly relevant). The answers will then be dichotomized as "not relevant" (score 1 or 2) or "relevant" (score 3 or 4)). one year after the end of the therapy.
Secondary Levels of concern about the mental representation that patients have of themselves (ontological addiction) by the Ontological Addiction Scale (by responding either "never", "rarely", "sometimes", "often", "always" to the 24 items) Evaluation of ontological addiction by the ontological addiction scale one year after the end of the therapy.
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