Increasing the Effectiveness of the Diabetes Prevention Program
Increasing the Effectiveness of the Diabetes Prevention Program Through If-then Plans and Mental Practice: A Parallel Randomized Trial
Aperçu de l'étude
Statut
Statut
Les conditions
Les conditions
Intervention / Traitement
Intervention / Traitement
Description détaillée
Type d'étude
Type d'étude
Inscription (Réel)
Inscription
Phase
Phase
- N'est pas applicable
Contacts et emplacements
Lieux d'étude
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Quebec
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Montreal, Quebec, Canada, H3A 1B1
- McGill University
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Critères de participation
Critère d'éligibilité
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
Inclusion Criteria:
- men and women
- ages of 18 and 75
- overweight or obese (BMI 28-45 kg/m2)
- sedentary (< 200 min/week of moderate or vigorous exercise)
- waist circumference of >= 88cm for women and >= 102cm for men
Exclusion Criteria:
- diabetes (hemoglobin A1c < 7.0%).
- taking the medication metformin (used for treating pre-diabetes or diabetes)
- having been pregnant in the past 6 months or planning on becoming pregnant in the next 2 years
- currently undergoing treatment for cancer
- using medication that affects body weight (e.g., loop diuretics)
- being unable to participate in regular moderate physical activity
- having severe uncontrolled hypertension (> 190/100mm Hg)
- being unable to communicate in English or French
- being diagnosed with bulimia nervosa, currently active major depression, or other severe psychiatric disease (including dementia);
- suffering from a heart attack, stroke, or heart failure within the past 6 months
- experiencing excessive weight loss (more than 10 pounds or 4.54 kilograms) in the past 3 months
- currently participating in another weight loss program
- having had bariatric surgery in the past 2 years or plans on getting it in the near future
- planning on moving away from Montreal within the next year
- having another member of one's household enrolled in the program.
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: La prévention
- Répartition: Randomisé
- Modèle interventionnel: Affectation parallèle
- Masquage: Seul
Nombre de bras
Armes et Interventions
Groupe de participants / BrasGroupe de participants / Bras |
Intervention / TraitementIntervention / Traitement |
|---|---|
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Expérimental: Enriched GLB
This arm aims to increase the effectiveness of the Group Lifestyle Balance (GLB) program by integrating habit formation techniques, namely if-then plans and their mental practice, into the program.
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Habit formation techniques, namely if-then plans and their mental practice are being added to the standard Group Lifestyle Balance program.
Autres noms:
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Comparateur actif: Standard GLB
This arm is the standard Group Lifestyle Balance (GLB) program, which is the group version of the Diabetes Prevention Program developed by the NIH.
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This arm is the standard Group Lifestyle Balance program
Autres noms:
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Que mesure l'étude ?
Principaux critères de jugement
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
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Percent body weight loss
Délai: 3 months after beginning of the intervention
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The primary outcome will be percent body weight loss from baseline to 3 months after the beginning of the intervention.
Weight in kg.
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3 months after beginning of the intervention
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Mesures de résultats secondaires
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
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Percent body weight loss
Délai: 12 months
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Percent body weight loss 12 months after the beginning of the intervention.
Weight in kg.
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12 months
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Percent body weight loss
Délai: 24 months
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Percent body weight loss 24 months after the beginning of the intervention.
Weight in kg.
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24 months
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Personal weight loss goal
Délai: 3 months
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Reaching percent body weight loss goal (7% of body weight) from baseline to 3 months after the beginning of the intervention.
Weight in kg.
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3 months
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Personal weight loss goal
Délai: 12 months
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Reaching percent body weight loss goal (7% of body weight) 12 months after the beginning of the intervention.
Weight in kg.
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12 months
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Personal weight loss goal
Délai: 24 months
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Reaching percent body weight loss goal (7% of body weight) 24 months after the beginning of the intervention.
Weight in kg.
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24 months
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Personal exercise goal
Délai: 3 months
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Reaching exercise goal (150 min/week) from baseline to 3 months after the beginning of the intervention.
Sum of minutes over 7 days.
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3 months
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Personal exercise goal
Délai: 12 months
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Reaching exercise goal (150 min/week) 12 months after the beginning of the intervention.
Sum of minutes over 7 days.
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12 months
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Personal exercise goal
Délai: 24 months
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Reaching exercise goal (150 min/week) 24 months after the beginning of the intervention.
Sum of minutes over 7 days.
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24 months
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Waist circumference
Délai: 3 months
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Risk factor for chronic health problems.
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3 months
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Waist circumference
Délai: 12 months
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Risk factor for chronic health problems.
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12 months
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Waist circumference
Délai: 24 months
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Risk factor for chronic health problems.
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24 months
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Hemoglobin A1c levels
Délai: 3 months
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Risk factor for chronic health problems.
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3 months
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Hemoglobin A1c levels
Délai: 12 months
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Risk factor for chronic health problems.
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12 months
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Hemoglobin A1c levels
Délai: 24 months
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Risk factor for chronic health problems.
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24 months
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Blood pressure
Délai: 3 months
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Risk factor for chronic health problems.
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3 months
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Blood pressure
Délai: 12 months
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Risk factor for chronic health problems.
|
12 months
|
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Blood pressure
Délai: 24 months
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Risk factor for chronic health problems.
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24 months
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Total cholesterol/HDL ratio
Délai: 3 months
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Risk factor for chronic health problems.
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3 months
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Total cholesterol/HDL ratio
Délai: 12 months
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Risk factor for chronic health problems.
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12 months
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Total cholesterol/HDL ratio
Délai: 24 months
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Risk factor for chronic health problems.
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24 months
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Physical activity duration
Délai: 3 months
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Total minutes per week.
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3 months
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Physical activity duration
Délai: 12 months
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Total minutes per week.
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12 months
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Physical activity duration
Délai: 24 months
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Total minutes per week.
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24 months
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Number of steps taken per week
Délai: 3 months
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Steps taken per week, recorded using a pedometer.
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3 months
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Number of steps taken per week
Délai: 12 months
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Steps taken per week, recorded using a pedometer.
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12 months
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Number of steps taken per week
Délai: 24 months
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Steps taken per week, recorded using a pedometer.
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24 months
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Exercise stress test (EST)
Délai: 3 months
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3 months
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Autres mesures de résultats
Autres mesures de résultats
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
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Self-Report Index of Habit Strength
Délai: 3 months
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Self-monitoring and behaviors
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3 months
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Self-Report Index of Habit Strength
Délai: 12 months
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Self-monitoring and behaviors
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12 months
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Self-Report Index of Habit Strength
Délai: 24 months
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Self-monitoring and behaviors
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24 months
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Habit formation indices of weight tracking
Délai: 3 months
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Frequency of weight tracking.
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3 months
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Habit formation indices of weight tracking
Délai: 12 months
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Frequency of weight tracking.
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12 months
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Habit formation indices of weight tracking
Délai: 24 months
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Frequency of weight tracking.
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24 months
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Habit formation indices of physical activity tracking
Délai: 3 months
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Frequency of physical activity tracking.
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3 months
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Habit formation indices of physical activity tracking
Délai: 12 months
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Frequency of physical activity tracking.
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12 months
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Habit formation indices of physical activity tracking
Délai: 24 months
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Frequency of physical activity tracking.
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24 months
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Habit formation indices of fat grams and calorie tracking
Délai: 3 months
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Frequency of food tracking.
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3 months
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Habit formation indices of fat grams and calorie tracking
Délai: 12 months
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Frequency of food tracking.
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12 months
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Habit formation indices of fat grams and calorie tracking
Délai: 24 months
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Frequency of food tracking.
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24 months
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Collaborateurs et enquêteurs
Parrainer
Parrainer
Les enquêteurs
Les enquêteurs
- Directeur d'études: Ilka Lowensteyn, PhD, McGill University
- Directeur d'études: Lawrence Joseph, PhD, McGill University
- Directeur d'études: Aleksandra Luszczynska, PhD, University of Colorado, Denver
- Directeur d'études: Steven Grover, MD, McGill University
Publications et liens utiles
Publications générales
- Knauper B, Shireen H, Carriere K, Frayn M, Ivanova E, Xu Z, Lowensteyn I, Sadikaj G, Luszczynska A, Grover S; McGill CHIP Healthy Weight Program Investigators. The effects of if-then plans on weight loss: results of the 24-month follow-up of the McGill CHIP Healthy Weight Program randomized controlled trial. Trials. 2020 Jan 7;21(1):40. doi: 10.1186/s13063-019-4014-z.
- Knauper B, Carriere K, Frayn M, Ivanova E, Xu Z, Ames-Bull A, Islam F, Lowensteyn I, Sadikaj G, Luszczynska A, Grover S; McGill CHIP Healthy Weight Program Investigators. The Effects of If-Then Plans on Weight Loss: Results of the McGill CHIP Healthy Weight Program Randomized Controlled Trial. Obesity (Silver Spring). 2018 Aug;26(8):1285-1295. doi: 10.1002/oby.22226. Epub 2018 Jun 28.
- Knauper B, Ivanova E, Xu Z, Chamandy M, Lowensteyn I, Joseph L, Luszczynska A, Grover S. Increasing the effectiveness of the Diabetes Prevention Program through if-then plans: study protocol for the randomized controlled trial of the McGill CHIP Healthy Weight Program. BMC Public Health. 2014 May 18;14:470. doi: 10.1186/1471-2458-14-470.
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Réel)
Début de l'étude
Achèvement primaire (Réel)
Achèvement primaire
Achèvement de l'étude (Réel)
Achèvement de l'étude
Dates d'inscription aux études
Première soumission
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première soumission répondant aux critères de contrôle qualité
Première publication (Estimation)
Première publication
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour publiée
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Dernière vérification
Plus d'information
Termes liés à cette étude
Mots clés
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
Autres numéros d'identification d'étude
- MOP-123242
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