This article in the NY Times highlights the issues with new and experimental techniques. It suggests we may not see anything new in the short-term.
The failure of the procedure, called transoral gastroplasty, pushes back the availability of any incision-less procedure to millions of obese Americans for several years, a disappointment to companies trying to find the next best thing to major surgery. The setback also further restricts options for those who are overweight, because it is occurring on top of federal rejections of a new generation of diet pills.
I considered surgery, but am happy that I lost weight (120lbs) without it. But, for many people, gastric bypass and/or restrictive surgery of various kinds can “cure” diabetes and sleep apnea, reduce cancer in women, and prolong life in men.