Looking to burnish its reputation in the field of pain therapy, Chadds Ford, PA-based Endo Pharmaceuticals (ENDP) struck a deal to buy out its development partner Penwest Pharmaceuticals for about $168 million on the same day it filed an NDA for a new, abuse-resistant drug.
The buyout deal--struck at a price of $5 per share, a 19 percent premium--gives the developer Penwest's interests in Opana ER, a therapy that the two biotech companies have been working on for the past 13 years, along with a...