Cited by 51Bariatric Surgery and OutcomesGastrointestinal motility and disordersPharmacology and Obesity Treatment

abiliti® Closed-Loop Gastric Electrical Stimulation System for Treatment of Obesity: Clinical Results with a 27-Month Follow-Up

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Horbach, T., Thalheimer, A., Seyfried, F., Eschenbacher, F., Schuhmann, P., Meyer, G.·2015·Obesity Surgery

Abstract

BACKGROUND: The aim of the study was to evaluate the safety and effectiveness of a novel closed-loop gastric electric stimulation device (abiliti system) featuring a transgastric sensor to detect food intake and an accelerometer to record physical activity to induce and maintain lifestyle changes to treat obesity. METHODS: In a prospective, multi-center study, 34 obese subjects (BMI of 42.1 ± 5.3 kg/m(2)) who passed an eligibility evaluation were implanted with the abiliti system. Safety evaluation included an endoscopic exam to assess the intragastric electrode healing. Efficacy evaluation at 1 year of therapy included weight loss, improvements in eating, and exercise behavior and quality of life. RESULTS: The transgastric implant controlled by endoscopy was stable for all participants. At 12 months (12 M) the mean excess weight loss (EWL) was 28.7% (95%CI, 34.5 to 22.5%), and mean reduction in BMI was 4.8 ± 3.2 kg/m(2). At 27 months (27 M), the EWL was 27.5% (95% CI, 21.3% to 33.7%). Eating behavior, evaluated by the "Three Factor Eating Questionnaire", showed a significant increase in the cognition factor and decrease in the disinhibition and hunger factors at 12 M in comparison to baseline (p < 0.001). Participants significantly increased their weekly physical activity (p < 0.001). Quality of life was improved in 55.2% of the patients. CONCLUSIONS: Gastric electrical stimulation with abiliti system in obese participants is well tolerated and leads to significant 12 M weight loss, which was stable to 27 M. We suggest that weight loss is achieved due to the assessed alteration of eating behavior in particular the reduction in disinhibition and hunger, and the measured increase in physical activity.

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Authors
Horbach, T., Thalheimer, A., Seyfried, F., Eschenbacher, F., Schuhmann, P., & Meyer, G.
Affiliations
  • Schön Klinik Nürnberg Fürth (DE)
  • Schön Klinik Bad Aibling (DE)
  • Universitätsklinikum Würzburg (DE)
Corresponding author
Horbach, T.
Venue
Obesity Surgery
Published
2015-03-15
Volume
25
Issue
10
Pages
1779-1787
ISSN
  • 0960-8923 (ISSN-L)
  • 1708-0428
OpenAlex
W1979189196
Cited by
51
References
36
Citations by year
2026: 2 · 2025: 4 · 2024: 1 · 2023: 2 · 2022: 3 · 2021: 8 · 2020: 4 · 2019: 8 · 2018: 5 · 2017: 7 · 2016: 6 · 2015: 1
FWCI
6.38
Type
journal article
Language
en
Open access
Locations
  • Obesity Surgery (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Surgery › Bariatric Surgery and Outcomes
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Health Sciences › Medicine › Pharmacology › Pharmacology and Obesity Treatment
MeSH terms
Adult, Electrodes, Implanted, Electric Stimulation Therapy, Feeding Behavior, Female, Follow-Up Studies, Humans, Hunger, Life Style, Male, Middle Aged, Obesity, Morbid, Quality of Life, Surveys and Questionnaires, Stomach, Weight Loss, Exercise, Treatment Outcome, Prostheses and Implants

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