Motivational Support and Meal Preparation Training to Reduce Vascular Risk After Gestational Diabetes

Study Results

Results pending

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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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

36 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-01-31

Study Completion Date

2013-09-30

Brief Summary

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Women with a history of 'diabetes in pregnancy' or Gestational Diabetes (GDM) have a high risk for type 2 diabetes later in life. This can often be prevented, however, with improvements in eating habits and higher physical activity levels. However, many women find it difficult to alter their lifestyle habits, especially if they have young children. In adults with type 2 diabetes, the investigators have been studying the effects of combining nutrition education with meal preparation training and pedometer-based self-monitoring to improve eating habits and increase activity levels. The investigators have shown that such a strategy can reduce hemoglobin A1C by 0.3% and correlates with small reductions in weight (Dasgupta et al, International Journal of Behavioural Nutrition and Physical Activity, 2012). In developing the present interventional study, we presented this strategy to women with a GDM history and asked them how they would modify it to suit their needs. They expressed strong interest in such an approach but emphasized a need to involve their spouses and provide childcare support. They did not express interest in use of meal replacements. Therefore, in MoMM-intervention phase, the investigators will examine the effects of a once per month (4 session) program combined with Internet/telephone-based support. The four sessions with include meal preparation training, strategies to limit mindless eating and improve meal content and portion control. All sessions will offer child care. Two sessions will involve spouses. The investigators will assess effects on weight, BMI, DXA measures of fat, and measures of insulin resistance and blood pressure. This single-arm intervention study may lead ultimately to a randomized controlled trial.

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Detailed Description

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The investigators have adopted a single-arm intervention pilot study to assess the potential effects of a nutrition/physical activity behavioural intervention in women with a history of GDM within the past 5 years. The investigators have designed the intervention to include in-person sessions- but at a feasible frequency for busy mothers- as well as telephone calls and an on-line discussion forum, to provide an ongoing source of support, information, and accountability. Further, participants' partners will be invited to some of the in-person sessions and childcare will be provided on-site. Importantly, there are no meal replacements included, despite the study title, because focus group discussions indicated that this was not of interest to the target population.

The investigators will hold in-person sessions at a frequency of once per month over a 4-month period. In addition to the in-person, on-site sessions, we will arrange for participants to have in a grocery store 'tour' led by a student from the McGill School of Dietetics and Human Nutrition BSc program. This will allow a review of label reading and interpretation as well as tips on produce selection. Details of the intervention are provided under the trial arm section below.

Conditions

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Gestational Diabetes Mellitus With Baby Delivered

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Nutrition/Physical Activity Intervention

There will be four in-person group sessions (1/month), two including the participants' partners, and all with on-site child care. Sessions will include preparation of a healthy meal (hands-on) and discussions of mindful eating, balanced meals, portion sizes, and preparing food at home, under a dietitian's supervision. Sessions will also include a one-hour physical activity information/practice session with a kinesiologist. Participants will track daily step counts with a pedometer and aim to eventually reach more than 10,000 steps/day. They will also receive instruction and demonstration from a kinesiologist of some simple resistance exercises they may perform at home. Between sessions, participants will receive advice and support through a study-specific website and telephone calls.

Group Type EXPERIMENTAL

Nutrition/Physical Activity Intervention

Intervention Type BEHAVIORAL

Please see Arm description.

Interventions

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Nutrition/Physical Activity Intervention

Please see Arm description.

Intervention Type BEHAVIORAL

Other Intervention Names

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Lifestyle Intervention Diabetes Prevention Intervention

Eligibility Criteria

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Inclusion Criteria

1. Prior history of GDM
2. Body mass index (BMI) ≥ 24 kg/m2
3. Ability to speak and read English or French

Exclusion Criteria

1. Type 1 diabetes
2. Type 2 diabetes
3. Use of antihyperglycemic medication
4. Pregnant or planning to become pregnant again in the next year
5. Food allergies
6. Chronic condition/ medications that could impact weight (e.g. malignancy, weight loss medications, anti-depressants)
7. Current smoker

Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No