Over the past few years, CROs have received the lion's share of outsourced clinical research revenue.

CROs were first organized as outsourcing service companies that provided only clinical trial management. Today, many CROs have expanded their scope of services to provide comprehensive management of the complex drug trial processes for their client companies, as well as providing access to vast areas of expertise, which may not exist in the client’s internal organization. Esploron www.esploron.com is one of contract research organizations fighting for more clinical projects. Over the past few years, CROs have received the lion's share of outsourced clinical research revenue.