Sepracor CEO Resigns

Xconomy Boston — 

Adrian Adams has resigned as the CEO and board member of Marlborough, MA-based drug maker Sepracor (NASDAQ:SEPR), according to the company and Japan’s Dainippon Sumitomo Pharma (DSP), which is buying Sepracor. Saburo Hamanaka has become chairman of Sepracor and executive officer of Dainippon. Dainippon, which announced its $2.6 billion buyout of Sepracor in September 2009, says that the merger of Sepracor and its subsidiary, Dainippon Sumitomo Pharma America, is expected to wrap up on April 1.