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Increasing the Effectiveness of the Diabetes Prevention Program

20 mars 2018 mis à jour par: Barbel Knauper, McGill University

Increasing the Effectiveness of the Diabetes Prevention Program Through If-then Plans and Mental Practice: A Parallel Randomized Trial

The Diabetes Prevention Program (DPP) is highly effective in promoting weight loss in overweight and obese individuals (e.g., 7% average loss of body weight), and thereby reducing the risk of developing weight-related health consequences. One-on-one DPP sessions, however, are costly and the group-delivered DPP version, the Group Lifestyle Balance program (GLB), is less effective (4% average loss of body weight). The aim of this two-arm parallel randomized controlled trial is to increase the effectiveness of the GLB by integrating habit formation techniques, namely if-then plans and their mental practice, into the program. The study will provide evidence-based data on the effectiveness of an enhanced GLB intervention in promoting weight loss and in reducing weight-related risk factors for chronic health problems.

Aperçu de l'étude

Statut

Complété

Les conditions

Description détaillée

Please see brief summary.

Type d'étude

Interventionnel

Inscription (Réel)

172

Phase

  • N'est pas applicable

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Lieux d'étude

    • Quebec
      • Montreal, Quebec, Canada, H3A 1B1
        • McGill University

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

18 ans à 75 ans (Adulte, Adulte plus âgé)

Accepte les volontaires sains

Non

Sexes éligibles pour l'étude

Tout

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

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: La prévention
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Seul

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
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.
Habit formation techniques, namely if-then plans and their mental practice are being added to the standard Group Lifestyle Balance program.
Autres noms:
  • Imagerie mentale
  • intentions de mise en œuvre
  • programme de perte de poids
  • Diabetes Prevention Program
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.
This arm is the standard Group Lifestyle Balance program
Autres noms:
  • programme de perte de poids
  • Diabetes Prevention Program

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Percent body weight loss
Délai: 3 months after beginning of the intervention
The primary outcome will be percent body weight loss from baseline to 3 months after the beginning of the intervention. Weight in kg.
3 months after beginning of the intervention

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Percent body weight loss
Délai: 12 months
Percent body weight loss 12 months after the beginning of the intervention. Weight in kg.
12 months
Percent body weight loss
Délai: 24 months
Percent body weight loss 24 months after the beginning of the intervention. Weight in kg.
24 months
Personal weight loss goal
Délai: 3 months
Reaching percent body weight loss goal (7% of body weight) from baseline to 3 months after the beginning of the intervention. Weight in kg.
3 months
Personal weight loss goal
Délai: 12 months
Reaching percent body weight loss goal (7% of body weight) 12 months after the beginning of the intervention. Weight in kg.
12 months
Personal weight loss goal
Délai: 24 months
Reaching percent body weight loss goal (7% of body weight) 24 months after the beginning of the intervention. Weight in kg.
24 months
Personal exercise goal
Délai: 3 months
Reaching exercise goal (150 min/week) from baseline to 3 months after the beginning of the intervention. Sum of minutes over 7 days.
3 months
Personal exercise goal
Délai: 12 months
Reaching exercise goal (150 min/week) 12 months after the beginning of the intervention. Sum of minutes over 7 days.
12 months
Personal exercise goal
Délai: 24 months
Reaching exercise goal (150 min/week) 24 months after the beginning of the intervention. Sum of minutes over 7 days.
24 months
Waist circumference
Délai: 3 months
Risk factor for chronic health problems.
3 months
Waist circumference
Délai: 12 months
Risk factor for chronic health problems.
12 months
Waist circumference
Délai: 24 months
Risk factor for chronic health problems.
24 months
Hemoglobin A1c levels
Délai: 3 months
Risk factor for chronic health problems.
3 months
Hemoglobin A1c levels
Délai: 12 months
Risk factor for chronic health problems.
12 months
Hemoglobin A1c levels
Délai: 24 months
Risk factor for chronic health problems.
24 months
Blood pressure
Délai: 3 months
Risk factor for chronic health problems.
3 months
Blood pressure
Délai: 12 months
Risk factor for chronic health problems.
12 months
Blood pressure
Délai: 24 months
Risk factor for chronic health problems.
24 months
Total cholesterol/HDL ratio
Délai: 3 months
Risk factor for chronic health problems.
3 months
Total cholesterol/HDL ratio
Délai: 12 months
Risk factor for chronic health problems.
12 months
Total cholesterol/HDL ratio
Délai: 24 months
Risk factor for chronic health problems.
24 months
Physical activity duration
Délai: 3 months
Total minutes per week.
3 months
Physical activity duration
Délai: 12 months
Total minutes per week.
12 months
Physical activity duration
Délai: 24 months
Total minutes per week.
24 months
Number of steps taken per week
Délai: 3 months
Steps taken per week, recorded using a pedometer.
3 months
Number of steps taken per week
Délai: 12 months
Steps taken per week, recorded using a pedometer.
12 months
Number of steps taken per week
Délai: 24 months
Steps taken per week, recorded using a pedometer.
24 months
Exercise stress test (EST)
Délai: 3 months
3 months

Autres mesures de résultats

Mesure des résultats
Description de la mesure
Délai
Self-Report Index of Habit Strength
Délai: 3 months
Self-monitoring and behaviors
3 months
Self-Report Index of Habit Strength
Délai: 12 months
Self-monitoring and behaviors
12 months
Self-Report Index of Habit Strength
Délai: 24 months
Self-monitoring and behaviors
24 months
Habit formation indices of weight tracking
Délai: 3 months
Frequency of weight tracking.
3 months
Habit formation indices of weight tracking
Délai: 12 months
Frequency of weight tracking.
12 months
Habit formation indices of weight tracking
Délai: 24 months
Frequency of weight tracking.
24 months
Habit formation indices of physical activity tracking
Délai: 3 months
Frequency of physical activity tracking.
3 months
Habit formation indices of physical activity tracking
Délai: 12 months
Frequency of physical activity tracking.
12 months
Habit formation indices of physical activity tracking
Délai: 24 months
Frequency of physical activity tracking.
24 months
Habit formation indices of fat grams and calorie tracking
Délai: 3 months
Frequency of food tracking.
3 months
Habit formation indices of fat grams and calorie tracking
Délai: 12 months
Frequency of food tracking.
12 months
Habit formation indices of fat grams and calorie tracking
Délai: 24 months
Frequency of food tracking.
24 months

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

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

La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Réel)

1 avril 2013

Achèvement primaire (Réel)

1 décembre 2017

Achèvement de l'étude (Réel)

1 décembre 2017

Dates d'inscription aux études

Première soumission

6 décembre 2013

Première soumission répondant aux critères de contrôle qualité

6 décembre 2013

Première publication (Estimation)

11 décembre 2013

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

21 mars 2018

Dernière mise à jour soumise répondant aux critères de contrôle qualité

20 mars 2018

Dernière vérification

1 mars 2018

Plus d'information

Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .

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