What is gelesis and how did it start? The company was founded in 2006 to develop medical devices and treatments for obesity. Gelesis was founded by PureTech Ventures, a life sciences venture firm based in Boston, and ExoTech Bio, an Israel-based research and development company. The company operates as an affiliate of PureTech Health.What is gelesis100 and how does it work? The company produces Gelesis100, which is a superabsorbent hydrogel capsule that expands in the stomach, creating a feeling of fullness, helping people reduce the amount of food they eat. The company was founded in 2006 to develop medical devices and treatments for obesity.What is the ce mark for gelesis? In June 2020, Gelesis also received a Conformité Européenne (CE) Mark for Plenity as a class III medical device indicated for weight loss in overweight and obese adults with a BMI of 25-40 kg/m 2, when used in conjunction with diet and exercise.What is gelesis plenity? In April 2019, Gelesis received FDA clearance for its lead product candidate, Plenity®, as an aid for weight management in overweight and obese adults with a Body Mass Index (BMI) of 25-40 kg/m², when used in conjunction with diet and exercise.