A Remotely Delivered Episodic Future Thinking Intervention to Improve Management of Type 2 Diabetes
| Status: | Not yet recruiting |
|---|---|
| Conditions: | Diabetes, Diabetes |
| Therapuetic Areas: | Endocrinology |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 2/17/2019 |
| Start Date: | March 1, 2019 |
| End Date: | July 31, 2020 |
| Contact: | Jeff S Stein, PhD |
| Email: | jstein1@vtc.vt.edu |
| Phone: | 540-526-2124 |
The goals of this project are to assess the efficacy of remotely delivered episodic future
thinking for reducing delay discounting and improving management of type 2 diabetes,
including glycemic control, weight loss, medication adherence, dietary intake, physical
activity, and blood pressure. This will be accomplished by randomly assigning participants (N
= 64) to episodic future thinking or control thinking groups, while tracking outcome measures
before, during, and after the 4-month intervention, as well at a 6-month follow-up visit.
Participants in both groups will also receive access to an information-based weight loss
intervention.
thinking for reducing delay discounting and improving management of type 2 diabetes,
including glycemic control, weight loss, medication adherence, dietary intake, physical
activity, and blood pressure. This will be accomplished by randomly assigning participants (N
= 64) to episodic future thinking or control thinking groups, while tracking outcome measures
before, during, and after the 4-month intervention, as well at a 6-month follow-up visit.
Participants in both groups will also receive access to an information-based weight loss
intervention.
Participants (N = 64) will be randomly assigned to either an episodic future thinking group
or control thinking groups. Participants will generate episodic future events or control
information, as well as related text-based cues, and will be prompted via smartphone or web
application to engage in episodic future or control thinking frequently in their natural
environment (e.g., at home or work, before meal times, and in high-risk situations) for a
4-month period. Participants in both groups will be provided with one-on-one, phone-based
case management and provided with instructional materials and behavioral tools for weight
loss and diabetes management. Instructional materials will include: 1) a modified version of
the Traffic Light Diet, which utilizes red, yellow, and green labels for food to guide
participants toward the goal of consuming low energy dense, low glycemic, high nutrient dense
foods; 2) the Traffic Light Activity Program, which also utilizes red, yellow, and green
labels for different levels of caloric expenditure, and 3) tools for self-monitoring of
weight, diet, and/or physical activity.
Participants will complete four laboratory-based assessment sessions in which the
investigators assess body weight, height, waist and hip circumference, glycemic control
(HbA1C), adherence to oral glucose-lowering medication, delay discounting, reinforcing
efficacy of food, and blood pressure. These assessments will be completed before the
intervention (Week 0), during the intervention (8 weeks), and immediately after the
intervention (Week 16), as well after a 2-month post-intervention follow-up (Week 24). The
latter three assessments sessions will also include questions to measure participants'
perceived effectiveness and ease of use of the intervention. Participants will also complete
several remote assessments, including dietary intake and physical activity (during Weeks 0,
8, and 16; via accelerometer), as well as delay discounting and reinforcing efficacy of food
(during Weeks 3, 8, and 16).
or control thinking groups. Participants will generate episodic future events or control
information, as well as related text-based cues, and will be prompted via smartphone or web
application to engage in episodic future or control thinking frequently in their natural
environment (e.g., at home or work, before meal times, and in high-risk situations) for a
4-month period. Participants in both groups will be provided with one-on-one, phone-based
case management and provided with instructional materials and behavioral tools for weight
loss and diabetes management. Instructional materials will include: 1) a modified version of
the Traffic Light Diet, which utilizes red, yellow, and green labels for food to guide
participants toward the goal of consuming low energy dense, low glycemic, high nutrient dense
foods; 2) the Traffic Light Activity Program, which also utilizes red, yellow, and green
labels for different levels of caloric expenditure, and 3) tools for self-monitoring of
weight, diet, and/or physical activity.
Participants will complete four laboratory-based assessment sessions in which the
investigators assess body weight, height, waist and hip circumference, glycemic control
(HbA1C), adherence to oral glucose-lowering medication, delay discounting, reinforcing
efficacy of food, and blood pressure. These assessments will be completed before the
intervention (Week 0), during the intervention (8 weeks), and immediately after the
intervention (Week 16), as well after a 2-month post-intervention follow-up (Week 24). The
latter three assessments sessions will also include questions to measure participants'
perceived effectiveness and ease of use of the intervention. Participants will also complete
several remote assessments, including dietary intake and physical activity (during Weeks 0,
8, and 16; via accelerometer), as well as delay discounting and reinforcing efficacy of food
(during Weeks 3, 8, and 16).
Inclusion Criteria:
- Overweight or obese (BMI of 25 or greater)
- Poorly controlled type 2 diabetes (HbA1C of 8% or greater)
- Prescribed or recommended oral glucose-lowering medication
Exclusion Criteria:
- Current insulin therapy for type 2 diabetes
- History of gestational diabetes
- Pregnant or lactating
- Not ambulatory
- Intellectual impairment
- Unmanaged medical or psychiatric disorder
- Abnormal glucose related to medications (e.g, glucocorticoids)
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