TRENTON, N.J. (AP) — Some experimental diabetes treatments in late testing offer patients hope of better controlling their blood sugar and weight and preventing dangerously low blood sugar, all big challenges for millions of diabetics.

Results from studies of several new diabetes medicines and insulin products, just announced at the premiere U.S. conference for diabetes specialists, likewise hold the promise of billions in annual revenue for drugmakers that have dominated the diabetes market and for others breaking into it. They have been presenting their data at the American Diabetes Association conference, held in Philadelphia from last Friday through Monday.