NEW YORK--(BUSINESS WIRE)--Medidata Solutions (NASDAQ: MDSO), a leading global provider of hosted clinical development solutions, today announced that global contract research organization (CRO) Omnicare Clinical Research has attained Rave Accredited Plus, the most advanced level in Medidata’s ASPire to Win® program for CROs and other service providers. With this accreditation, Omnicare Clinical Research can now offer sponsors a comprehensive suite of Medidata Rave® services that will enable them to cost-effectively increase clinical research efficiencies across all therapeutic areas and trial phases.