Journal
OBESITY
Volume 25, Issue 3, Pages 514-521Publisher
WILEY
DOI: 10.1002/oby.21760
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Funding
- IntraPace Inc., San Jose, CA [CS-007]
- clinical sites for patient screening, testing, hospitalization, surgery ( implant)
- database entry
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Objective: The closed-loop gastric electrical stimulation (CLGES) abiliti VR system provides tailored gastric electrical stimulation activated by food entry into the stomach and sensor-based data to medical professionals. The aim of this study was to analyze behavior changes using sensor-based food intake and activity data in participants treated with the CLGES system. Methods: Food intake and activity data (3D accelerometer) were downloaded at baseline and monthly/ bimonthly for 12 months in a subset of patients with obesity (N = 45) participating in a multicenter trial with CLGES. Measured food intake parameters included the number of intakes during allowed and disallowed periods, nighttime intakes, and between-meal snacks (average/d). Activity parameters included time in different levels of physical activity (min/d), sleep/sedentary (h/d), and estimated energy expenditure (EE). Results: Weight loss at 12 months averaged 15.7 +/- 7.7% of the baseline body weight. Stable reduction in the number of disallowed meals and between-meal snacks (P< 0.05), an increase in all levels of physical activity (P< 0.001), and an increase in activity-based EE (303 +/- 53 kcal/d on average, P< 0.001) were seen. Conclusions: Significant improvement in eating and activity was seen in participants. It is hypothesized that feedback of the sensor-based data induced behavioral changes and contributed to weight loss in patients treated with CLGES.
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