NEW YORK--(BUSINESS WIRE)--Medidata Solutions (NASDAQ: MDSO) announced today a major new release of Medidata Balance™, a randomization and trial supply management (RTSM) application which is part of Medidata’s comprehensive clinical cloud platform. Balance now provides the popular block randomization methodology in addition to the powerful and flexible dynamic allocation methodology it previously offered. These two methodologies cover the large majority of the range of developers’ requirements for randomly allocated clinical trials.