AbbVie Inc.'s quest to reduce its reliance on Humira (adalimumab) has led the company to Allergan PLC's doorstep. AbbVie announced an agreement to acquire Allergan for approximately $63bn on 25 June in a mega-deal that will move AbbVie into medical aesthetics and establish the merged company as a leading pharmaceutical manufacturer with $48bn in combined revenues, putting it in the top echelon of big pharma with the likes of Pfizer Inc., Novartis AG and Roche.
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