DEERFIELD, Ill. — Horizon Pharma announced it has received regulatory approval from the Food and Drug Administration for one of its drugs.
The drug maker said Rayos (prednisone) delayed-release tablets — in the 1-mg, 2-mg and 5-mg stregnths — were approved for the treatment of rheumatoid arthritis, polymyalgia rheumatica, psoriatic arthritis, ankylosing spondylitis, asthma and chronic obstructive pulmonary disease.