Most pharmacy benefit managers and pharmacy chain operators are consolidating.
Teva said the offer of $82 a share represented a 48% premium to Mylan's stock price on March 10.
Bristol-Myers will have exclusive access UniQure's congestive heart failure therapy.
Ardent is one of the 10 largest for-profit hospitals in the U.S. and generates about $2 billion in annual revenue.
Novartis will make an upfront payment of $200 million and Aduro could be eligible for a further $500 million.
Teva is the biggest maker of generic drugs in the world, and Auspex, does not have any products for sale yet.
Catamaran had $21.58 billion in revenue last year, while OptumRx had $31.98 billion.
The move will create the largest operator of outpatient surgery centers in the U.S.
The health insurer will sell its occupational health care provider unit since it turned out not to be a good fit.
AbbVie could reap more than $7 billion in annual sales from the promising new cancer drug Imbruvica.
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