Twitter for #ClinicalTrials recruitment?

Until recently, clinical trials were concentrated in developed countries. The number of patients enrolled in international multi-centre clinical trials has increased in some countries of Latin America.

L.A. has been included in early phases of new drug development. In 1993 2.1% of clinical trials were done in Latin America; in 1997, 5.1% and in 2000, 7.5%. (IMS Health). As a result, there are more sites, investigators, committees, CROs, and research-related staff in pharmaceutical companies.

South America(13 countries), Central America and the countries of the Caribbean. Current estimated population: 490 million people. Latin America. Large and very heterogeneous ethnic and epidemiological profile.