Alvogen Pharma US, Inc. has acquired from Shionogi Inc., exclusive rights to commercialize Naprelan (naproxen sodium) controlled-release tablets, 375 mg, 500 mg, and 750 mg, in the U.S. Naprelan is indicated for the treatment of rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, tendinitis, bursitis and acute gout, as well as the relief of mild to moderate pain, and the treatment of primary dysmenorrhea. The product will be marketed by Alvogen’s subsidiary, Almatica Pharma, Inc.   Alv...