Medidata Solutions has entered into a definitive agreement to acquire Clinical Force, a provider of SaaS-based clinical trial management systems (CTMS).The acquisition is subject to various standard closing conditions and is expected to be completed early in Medidata’s fiscal third quarter ending September 30, 2011. Clinical Force’s current revenue is not material to Medidata in 2011, but it is expected to grow based on access to Medidata’s global capabilities. Financial terms were not dis...