US drugmaker AbbVie has agreed to buy struggling Allergan in a $63 billion deal that continues a slew of multibillion dollar takeovers in the biopharma sector this year. AbbVie is stumping up more ...

Allergan has confirmed that it will divest experimental inflammatory bowel disease therapy brazikumab and marketed drug Zenpep ahead of its $63 billion acquisition by AbbVie. The company announced ...

The $63 billion deal combines North Chicago-based AbbVie, which makes the world's best-selling drug Humira, with Dublin-based Allergan, which has been struggling in the face of competition for ...