lorcaserin

Another diet drug, Arena Pharmaceuticals's Iorcaserin, appears to be in danger after a U.S. Food and Drug Administration advisory panel voted to reject it Thursday.

Pharmaceutical company Vivus is getting hammered in Friday tading, sinking more than 50% in the wake of Thursday's vote by an FDA advisory panel against approving its weight-loss drug, Qnexa, based on safety concerns.

Arena Pharmaceuticals shares are soaring over 20% in afternoon trading. Arena released study results Wednesday showing its obesity drug lorcaserin helped patients lose weight and keep it off.

Arena Pharmaceuticals (ARNA) said Thursday it has agreed with Japan's Eisai to a licensing deal for its weight-loss drug that's worth potentially more than $1.3 billion. ARNA shares spiked over 20% in earlier premarket trading, but have cooled off somewhat and are 15% higher in recent...

On NBC's hit series The Biggest Loser, obese contestants must huff and puff through weeks of endless push-ups, sit-ups and treadmill sprints in hopes of shedding more pounds than their rivals. But with all the sweat and tears required to go from fat to fabulous, many other plus-sized people are...

Among weight loss pills, the Holy Grail is a drug that is safe and really zaps the fat. As of now, the search is still on. Obesity drug lorcaserin got the safety part down: results from a very large trial -- 4,008 patients -- didn't appear to show the heart valve problems associated with some...