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
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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Quebec
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Montreal, Quebec, Canada, H3A 1B1
- McGill University
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
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.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Forebyggelse
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Enkelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
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Eksperimentel: 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.
Andre navne:
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Aktiv komparator: 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
Andre navne:
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Percent body weight loss
Tidsramme: 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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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Percent body weight loss
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 3 months
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Risk factor for chronic health problems.
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3 months
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Waist circumference
Tidsramme: 12 months
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Risk factor for chronic health problems.
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12 months
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Waist circumference
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 24 months
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Risk factor for chronic health problems.
|
24 months
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Blood pressure
Tidsramme: 3 months
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Risk factor for chronic health problems.
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3 months
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Blood pressure
Tidsramme: 12 months
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Risk factor for chronic health problems.
|
12 months
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Blood pressure
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 3 months
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Total minutes per week.
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3 months
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Physical activity duration
Tidsramme: 12 months
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Total minutes per week.
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12 months
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Physical activity duration
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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)
Tidsramme: 3 months
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3 months
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Andre resultatmål
Andre resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Self-Report Index of Habit Strength
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 12 months
|
Frequency of physical activity tracking.
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12 months
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Habit formation indices of physical activity tracking
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 24 months
|
Frequency of food tracking.
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24 months
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Studieleder: Ilka Lowensteyn, PhD, McGill University
- Studieleder: Lawrence Joseph, PhD, McGill University
- Studieleder: Aleksandra Luszczynska, PhD, University of Colorado, Denver
- Studieleder: Steven Grover, MD, McGill University
Publikationer og nyttige links
Generelle publikationer
- 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.
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- MOP-123242
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