INS and Dravet syndrome: As Omentin has demonstrated insulin-sensitizing effects and because patients undergoing BPD-DS become more insulin-sensitive mere days following surgery, even before any weight loss [21], Omentin levels were evaluated in a cohort of BPD-DS patients in the early stages post-surgery (1 day and 5 days, prior to weight loss) and over a longer period (6 months and 1 year, a period associated with weight loss).