Allurion Technologies shares soared 200% Friday as it planned to test its gastric balloon with the key ingredient in popular weight-loss drugs to see if the combination improves patients' muscle mass.

It added that other studies showed those using the Allurion Gastric Balloon lost weight while maintaining—and in some cases increasing—muscle mass. Founder and CEO Dr. Shantanu Gaur explained ...

The CEO of Allurion, Dr. Shantanu Gaur ... which includes the Allurion Gastric Balloon, the first swallowable, procedure-less gastric balloon for weight loss, and a comprehensive virtual care ...

In contrast, patients treated with the Allurion Balloon and Allurion Virtual Care Suite have not only lost weight but have also maintained or even gained lean body mass. The CEO of Allurion, Dr.