Keywords: Astellas, OSI Pharmaceuticals, M&A, Tarceva, Oncology, Urology, Immunology

Astellas goes hostile, offering a 40% premium to buy OSI Pharma for $3.5 billion

Article | 01 March 2010

Despite previous rejections of its advances, Japanese drug major Astellas Pharma this morning said it plans to acquire USA-based OSI ...

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