Healthy Eating and Active Living for Diabetes - Gestational Diabetes Mellitus
NCT ID: NCT02483949
Last Updated: 2018-01-17
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
100 participants
INTERVENTIONAL
2015-06-30
2017-07-31
Brief Summary
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Detailed Description
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To examine the effectiveness of a group-based lifestyle modification program followed by peer-led telephone counselling for type 2 diabetes (T2D) and cardiovascular disease risk reduction. The lifestyle modification program will support daily ambulatory activity and low glycemic index food intake among women with previous GDM.
Methods:
To achieve the study objective, the HEALD-GDM lifestyle modification program already proven effective for adults with T2D among women with previous GDM within 12 months postpartum will be evaluated. Women will take part in either the HEALD-GDM program (intervention) or in usual care (control). To evaluate the effectiveness of HEALD-GDM, a randomized, two-arm, before and after study design is proposed. Potentially eligible participants will be recruited from Diabetes in Pregnancy Clinics in Calgary and Edmonton, Alberta. Following identification of eligible participants, the investigators will randomize 100 participants to either the HEALD-GDM program or to usual care control (i.e., 50 per group). A Canadian Society of Exercise Physiology certified instructor (Exercise Specialist) trained in HEALD-GDM delivery will lead the program. Group-based classes will be held at community recreational centres in Calgary and Edmonton (one site each) in months one and four of the 24-week HEALD-GDM program. Theory-guided peer-led telephone counselling will supplement the program. HEALD-GDM focuses broadly on T2D prevention through lifestyle modification and will be based on a proven effective pedometer-based active living behaviour.
The primary outcome will be change in objectively measured moderate and vigorous physical activity at assessment appointments (baseline and 24 weeks). Secondary outcomes include: 1) body mass, 2) glycemic control (hemoglobin A1c), 3) musculoskeletal and cardiorespiratory fitness, 4) dietary intake, 5) metabolic biomarkers, 6) health-related quality of life (HRQL), social-cognitive mediators and 7) mental health.
Significance:
Evidence for appropriate lifestyle modification programs for this high-risk population is lacking. This study will serve to inform best practices for diabetes and cardiovascular disease risk reduction through known modifiable risk reduction targets such as healthy eating and active living.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
NONE
Study Groups
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Control
No interventions assigned to this group
Intervention
Lifestyle intervention with peer-counseling follow-up
Healthy Eating and Active Living for Diabetes - Gestational Diabetes Mellitus
Interventions
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Healthy Eating and Active Living for Diabetes - Gestational Diabetes Mellitus
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
* unable to read, understand and converse in English
* contraindications based on the Canadian Society for Exercise Physiology Physical Activity Readiness Questionnaire Plus (PAR-Q+)
* currently enrolled in other diabetes-related research studies
* pregnant or planning another pregnancy in the next 12 months (any participants becoming pregnant at any point during the study will only contribute data prior to their pregnancy date)
* hemoglobin A1c \>6.5% or clinical suspicion of type 1 or type 2 diabetes
18 Years
45 Years
FEMALE
Yes
Sponsors
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Athabasca University
OTHER
Responsible Party
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Steven T. Johnson
Assistant Professor
Principal Investigators
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Steven T. Johnson, PhD
Role: PRINCIPAL_INVESTIGATOR
Athabasca University
Locations
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Athabasca University
Athabasca, Alberta, Canada
Alliance for Canadian Health Outcomes Research in Diabetes
Edmonton, Alberta, Canada
Countries
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References
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Johnson ST, Mladenovic AB, Mathe N, Davenport MH, Butalia S, Qiu W, Johnson JA. Healthy eating and active living after gestational diabetes mellitus (HEALD-GDM): Rationale, design, and proposed evaluation of a randomized controlled trial. Contemp Clin Trials. 2017 Oct;61:23-28. doi: 10.1016/j.cct.2017.07.008. Epub 2017 Jul 9.
Related Links
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Funding agency
Other Identifiers
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HEALD-GDM
Identifier Type: -
Identifier Source: org_study_id
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