Charge: A Text Messaging-based Weight Loss Intervention
| Status: | Active, not recruiting |
|---|---|
| Conditions: | Obesity Weight Loss |
| Therapuetic Areas: | Endocrinology |
| Healthy: | No |
| Age Range: | 18 - 65 |
| Updated: | 7/20/2018 |
| Start Date: | January 31, 2018 |
| End Date: | February 2021 |
Charge: Optimizing a Standalone Text Messaging-Based Weight Loss Intervention
This study evaluates different versions of a text messaging-based app for weight loss. This
study will place participants to 1 of 32 experimental conditions that reflect different
texting components and levels. Participants will be randomized to a condition. The
investigators will recruit 448 adults into a 6-month weight loss program, with an additional
follow-up 6-months after the intervention ends.
study will place participants to 1 of 32 experimental conditions that reflect different
texting components and levels. Participants will be randomized to a condition. The
investigators will recruit 448 adults into a 6-month weight loss program, with an additional
follow-up 6-months after the intervention ends.
Standalone text messaging-based weight loss treatments are scalable and can achieve
population reach. However, these interventions are also modular; they can be delivered
independently to maximize cost-effectiveness or combined with other approaches (e.g. provider
counseling) to maximize outcomes. This study is a 12-month experimental trial among 448
adults with obesity. All participants will receive a core 6-month weight loss texting
intervention that includes tailored behavior change goals, interactive self-monitoring,
automated feedback, and skills training. Participants will be randomly assigned to 1 of 32
different experimental conditions.
population reach. However, these interventions are also modular; they can be delivered
independently to maximize cost-effectiveness or combined with other approaches (e.g. provider
counseling) to maximize outcomes. This study is a 12-month experimental trial among 448
adults with obesity. All participants will receive a core 6-month weight loss texting
intervention that includes tailored behavior change goals, interactive self-monitoring,
automated feedback, and skills training. Participants will be randomly assigned to 1 of 32
different experimental conditions.
Inclusion Criteria:
- males and females aged 18-65 years
- participants have English language proficiency
- participants have a BMI between 25-40 kg/m2
- Participants will own a smartphone
- Participants will be willing to receive multiple text messages daily.
Exclusion Criteria:
- prior or planned bariatric surgery
- psychiatric hospitalization in past 12 months
- pregnancy, nursing, or planned pregnancy
- history of a cardiovascular event
- history of an eating disorder
- history of a condition (e.g., end stage renal disease, cancer, schizophrenia) or use
of medications (e.g., lithium, steroids, anti-psychotics) that would affect weight
measurement, for which weight loss is contraindicated, or might promote weight change
- current participation in a weight loss trial and/or recent weight loss > 10%
- investigator discretion for safety reasons
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Duke University Younger than most other prestigious U.S. research universities, Duke University consistently ranks among...
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