The combination of the growing trend by pharmaceutical companies to outsource a wider range of services, and the need to pass products through the testing and regulatory process in a rapid, cost-effective manner, has lead to skyrocketing growth of the CRO market. The CRO market grew from $1 billion in 1992 to more than $8 billion in 2002. CROs enrolled 7 million research subjects in 1992, and 20 million in 2001. Esploron www.esploron.com is one of the typical CRO organizations. Its websites outlines the range of available CRO services.