Amgen Inc. will add a revenue-generating drug with strong sales growth expectations to its portfolio via the $13.4bn purchase of Celgene Corp.'s Otezla (apremilast), the divestiture of which should pave the way for Bristol-Myers Squibb Co. to close its $74bn acquisition of Celgene by the end of 2019.
Amgen is buying the Otezla revenue stream at a crucial moment when its revenues are being hit by biosimilars and...








