NEW YORK--(BUSINESS WIRE)--Medidata Solutions (NASDAQ: MDSO), a leading global provider of SaaS-based clinical development solutions, today announced that it will release its second quarter 2011 financial results before the open of the market on Tuesday, August 9, 2011. Tarek Sherif, chief executive officer, and Bruce Dalziel, chief financial officer and executive vice president, compliance, will also hold a conference call at 8:00 a.m. ET for investors and analysts to review these results and discuss the outlook for the third quarter and full year 2011.