NEW YORK--(BUSINESS WIRE)--Medidata Solutions (Nasdaq: MDSO), a leading global provider of hosted clinical development solutions, today announced that it will release its first quarter 2010 financial results following the close of the market on Thursday, May 13, 2010. Tarek Sherif, chief executive officer, and Bruce Dalziel, chief financial officer, will also hold a conference call at 5:00 p.m. ET for investors and analysts to review these results and discuss the outlook for the second quarter and full year 2010.