Pfizer Inc. (NYSE: PFE) reported financial results for fourth-quarter and full-year 2011. Fourth-quarter 2011 revenues were $16.7 billion, a decrease of 4% compared with $17.4 billion in the year-ago quarter, which reflects an operational decline of $765 million, or 5%, and the favorable impact of foreign exchange of $157 million, or 1%.

Novartis will continue its work with the World Health Organization (WHO) toward a world free of leprosy by extending its drug donation of multidrug therapy (MDT) medicines to treat leprosy through the year 2020.

Amgen (NASDAQ: AMGN) reported total revenue increased 3 percent during the fourth quarter of 2011 to $3,973 million versus $3,841 million in the fourth quarter of 2010. For the full year 2011, total revenue increased 4 percent to $15,582 million from $15,053 million in 2010.

Pfizer Inc. (NYSE: PFE), together with its collaborator on the Alzheimer's Immunotherapy Program (AIP), Janssen Alzheimer Immunotherapy, and the Geoffrey Beene Gives Back® Alzheimer's Initiative introduced the Alzheimer's Challenge 2012 at the Care Innovations Summit in Washington, D.C.

Bristol-Myers Squibb Company (NYSE: BMY) announced solid financial results for the fourth quarter of 2011. This concludes a year in which the Company received important new product approvals for YERVOY® and NULOJIX® in both the U.S. and Europe, and ELIQUIS® in Europe for the prevention of venous thromboembolic events.

Amgen (NASDAQ:AMGN) and Micromet, Inc. (NASDAQ:MITI) today announced that the companies have entered into a definitive merger agreement under which Amgen will acquire Micromet, a biotechnology company founded in Germany with its research and development (R&D) center in Munich and headquarters in Rockville, Md., for $11 per share in cash.

Novartis' net sales rose 4% (+5% cc) to USD 14.8 billion in the fourth quarter. The strengthening of the US dollar against most major currencies negatively impacted sales by 1 percentage point.