Arena Pharmaceuticals Inc.’s lorcaserin, to be marketed as Belviq, is the first weight-loss drug to be approved by the FDA in 13 years.

Arena Pharmaceuticals Inc.’s lorcaserin, to be marketed as Belviq, is the first weight-loss drug to be approved by the FDA in 13 years.

ARENA PHARMACEUTICALS INC.

CEO: Jack Lief.

Net income: $109.22 million loss in 2011; $124.53 million loss in 2010.

Revenue: $12.72 million in 2011; $16.61 million in 2010.

Headquarters: San Diego.

Year founded: 1997.

Stock symbol and exchange: ARNA, Nasdaq.

Company description: Biopharmaceutical company focused on discovering, developing and commercializing oral drugs against an important class of validated drug targets in cardiovascular, central nervous system, inflammatory and metabolic diseases therapeutic areas.

Arena Pharmaceuticals Inc...