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
Studie Overzicht
Toestand
Toestand
Conditie
Conditie
Interventie / Behandeling
Interventie / Behandeling
Gedetailleerde beschrijving
Studietype
Studietype
Inschrijving (Werkelijk)
Inschrijving
Fase
Fase
- Niet toepasbaar
Contacten en locaties
Studie Locaties
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Quebec
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Montreal, Quebec, Canada, H3A 1B1
- McGill University
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Deelname Criteria
Geschiktheidscriteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
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.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Preventie
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Enkel
Aantal wapens
Wapens en interventies
Deelnemersgroep / ArmDeelnemersgroep / Arm |
Interventie / BehandelingInterventie / Behandeling |
|---|---|
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Experimenteel: 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.
Andere namen:
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Actieve vergelijker: 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
Andere namen:
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Wat meet het onderzoek?
Primaire uitkomstmaten
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Percent body weight loss
Tijdsspanne: 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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Secundaire uitkomstmaten
Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Percent body weight loss
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 3 months
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Risk factor for chronic health problems.
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3 months
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Waist circumference
Tijdsspanne: 12 months
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Risk factor for chronic health problems.
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12 months
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Waist circumference
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 24 months
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Risk factor for chronic health problems.
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24 months
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Blood pressure
Tijdsspanne: 3 months
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Risk factor for chronic health problems.
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3 months
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Blood pressure
Tijdsspanne: 12 months
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Risk factor for chronic health problems.
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12 months
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Blood pressure
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 3 months
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Total minutes per week.
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3 months
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Physical activity duration
Tijdsspanne: 12 months
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Total minutes per week.
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12 months
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Physical activity duration
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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)
Tijdsspanne: 3 months
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3 months
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Andere uitkomstmaten
Andere uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Self-Report Index of Habit Strength
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 24 months
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Frequency of food tracking.
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24 months
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Medewerkers en onderzoekers
Sponsor
Sponsor
Onderzoekers
Onderzoekers
- Studie directeur: Ilka Lowensteyn, PhD, McGill University
- Studie directeur: Lawrence Joseph, PhD, McGill University
- Studie directeur: Aleksandra Luszczynska, PhD, University of Colorado, Denver
- Studie directeur: Steven Grover, MD, McGill University
Publicaties en nuttige links
Algemene publicaties
- 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.
Studie record data
Bestudeer belangrijke data
Studie start (Werkelijk)
Studie start
Primaire voltooiing (Werkelijk)
Primaire voltooiing
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Studie voltooiing
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Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
Andere studie-ID-nummers
- MOP-123242
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