Table 5.
Vagal nerve electrical stimulation studies summary
| Ref. | Type of research | Sample size (enrolled/completed) | Mean age (yr) | Mean weight, (kg)/mean BMI (kg/m2) | Follow-up (mo) | Lifestyle change (required/advice given) | Co-morbidities |
| Sarr et al[34], 2012 | Randomized, Prospective | 294/253 | 46 | NR/41 | 12 | Y/Y | T2DM |
| [EMPOWER study] | Double blind, Multicentre | HTN | |||||
| Camilleri et al[78], 2009 | Prospective1, Multicentre, O | 27/25 | 40.1 ± 1.8 | NR/39.3 ± 0.8 | 6 | NR/NR | N |
| Camilleri et al[79], 2008 | Prospective, Multicentre, O | 31/NR | 41.4 ± 1.4 | NR/41.2 ± 0.7 | 6 | NR/NR | T2DM |
1
There were two phases in this study. The first one was a retrospective analysis of therapy algorithms used and excess weight loss. The second phase (included in this review data analysis) looked into prospective evaluation of selected therapy algorithms from phase 1. T2DM: Type 2 diabetes.