Overweight and Obesity Clinical Trial
— I-GENDOOfficial title:
Gender-sensitive Enhancement of Common Weight Loss Strategies for Overweight and Obesity: a Personalized Smartphone App
Verified date | May 2022 |
Source | Otto-Friedrich-University Bamberg |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The major aim of the proposed study is to develop a gender-sensitive individually tailored add-on intervention that focusses on improving individual gender-specific SIRs (subjective illness representations) in obese or overweight individuals. We will investigate whether this will improve compliance with and long-term success of common weight loss interventions. The effectiveness of this intervention in every-day-life with regard to weight-related behavioral changes and weight loss will be evaluated within a randomized controlled setting.To enhance the applicability of the intervention in every-day-life and its dissemination we plan to develop a smart-phone-based intervention.
Status | Completed |
Enrollment | 213 |
Est. completion date | February 28, 2022 |
Est. primary completion date | December 22, 2021 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: 1. Obesity class I or II with subjectively experienced weight-related impairment and a current will to lose weight. 2. Overweight (i.e. BMI between 25 and 29.9 kg/m²) with weight-related health problems and/or visceral adipose tissue and/or high psychosocial weight-related distress with a current will to lose weight. Exclusion Criteria: 1. Obesity Class III (i.e. BMI >39.9 kg/m²). 2. Current (or within the last 12 months) involvement in a structured weight loss intervention. 3. Insulin-dependent type 1 diabetes. 4. Previous or intended bariatric surgery. 5. Current psychotherapeutic treatment of weight-related health problems. 6. Weight-enhancing drugs. 7. Drugs which promote weight-loss (e.g. anti-obesity drugs). 8. Weight-enhancing health problems which are not yet treated. 9. Cancerous disease within the last five years. 10. Current substance-use disorders, depression, psychosis, suicidal tendency or pregnancy. 11. Severe cognitive impairments. 12. Insufficient knowledge of the german language. 13. Binge-Eating Disorder or Bulimia nervosa. |
Country | Name | City | State |
---|---|---|---|
Germany | Otto-Friedrich-University | Bamberg | Bavaria |
Germany | LWL-University Hospital Department of Psychosomatic Medicine and Psychotherapy | Bochum | NRW |
Lead Sponsor | Collaborator |
---|---|
Otto-Friedrich-University Bamberg | Department of Psychosomatic Medicine, LWL University Hospital Bochum |
Germany,
Henning C, Schroeder S, Steins-Loeber S, Wolstein J. Gender and Emotional Representation Matter: Own Illness Beliefs and Their Relationship to Obesity. Front Nutr. 2022 Feb 8;9:799831. doi: 10.3389/fnut.2022.799831. eCollection 2022. — View Citation
Pape M, Herpertz S, Schroeder S, Seiferth C, Färber T, Wolstein J, Steins-Loeber S. Food Addiction and Its Relationship to Weight- and Addiction-Related Psychological Parameters in Individuals With Overweight and Obesity. Front Psychol. 2021 Sep 21;12:736 — View Citation
Prill S, Henning C, Schroeder S, Steins-Loeber S, Wolstein J. Does Weight-Cycling Influence Illness Beliefs in Obesity? A Gender-Sensitive Approach. J Obes. 2021 Aug 21;2021:8861386. doi: 10.1155/2021/8861386. eCollection 2021. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Changes in General Life Quality: L-1 | The effectiveness of the intervention with regard to general life quality (L-1) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Other | Changes in Weight Bias Internalization | The effectiveness of the intervention with regard to weight bias internalization (WBI-Scale) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Other | Changes in General Weight Bias | The effectiveness of the intervention with regard to general weight bias (Fat Phobia Scale) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Other | Changes in Psychopathology | The effectiveness of the intervention with regard to psychopathology (BSI-10) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Other | Changes in Self-Esteem | The effectiveness of the intervention with regard to self-esteem (Rosenberg Self-Esteem Scale) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Other | Changes in Food Addiction | The effectiveness of the intervention with regard to food addiction (YFAS) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Other | Media Usage | The potential impact of media usage (OSVe-S) on the effectiveness of the intervention as well as potential changes of media usage behaviour in the course of the intervention will be investigated. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Other | Valuation of perceived discrimination due to physical appearance | The effectiveness of the intervention with regard to subjective valuation of perceived discrimination (POTS) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Other | Social Support | The potential impact of social support (ESSI) on the effectiveness of the intervention as well as potential changes of social support behaviour in the course of the intervention will be investigated. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Other | Impulsive Eating Behaviour | The effectiveness of the intervention with regard to impulsive eating behaviour (subscale FEV) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Other | Changes in Food Related Impulsivity | The effectiveness of the intervention with regard to food related impulsivity (newly developed instrument FRIS) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Primary | Changes in Physical Activity | The effectiveness of the intervention with regard to physical activity (motion sensors) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Primary | Changes in Eating Behavior | The effectiveness of the intervention with regard to eating behavior (DEBQ) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Primary | Changes in Subjective Illness Representations | The effectiveness of the intervention with regard to subjective illness representations (IPQ-R) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Secondary | Weight Change | The effectiveness of the intervention with regard to weight will be investigated as assessed by BMI. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Secondary | Changes in Emotional Competence | The effectiveness of the intervention with regard to subjective feeling of emotional competence (SEK-27) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Secondary | Changes in Impulsivity | The effectiveness of the intervention with regard to impulsivity (BIS-15) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Secondary | Changes in Coping Strategies | The effectiveness of the intervention with regard to coping strategies (Brief COPE) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Secondary | Changes in Weight-Related Life Quality: ORWELL-97 | The effectiveness of the intervention with regard to weight-related life quality (ORWELL-97) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. | |
Secondary | Changes in Self-Efficacy: General-Self-Efficacy-Scale | The effectiveness of the intervention with regard to self-efficacy (General-Self-Efficacy-Scale) will be investigated respecting gender-related differences. | The outcome will be measured at four assessments. At the beginning of the study (day 0), after finishing the app intervention (12 weeks later) and at to follow-up assessments 6 and 12 months later. |
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