Writing Systematic Reviews for the Health and Social Sciences: Clinical Trials

Registry of federally and privately supported clinical trials conducted in the United States and around the world. Now includes Expanded Access trials.

More than 875 clinical research centers and 600 companies offering a variety of services to the clinical trials community are profiled.

Chinese Clinical Trial Register (ChiCTR) is supported by Chinese Evidence-Based Medicine Center, Ministry of Health of the People’s Republic of China, West China Hospital, Sichuan University, and is a member of Ottawa Statement Group.

Allows you to search for information on clinical trials in European Union (EU) member states and the European Economic Area (EEA) and clinical trials which are conducted outside the EU/EEA if they form part of a paediatric investigation plan (PIP).

Information about ongoing health services research and public health projects.

Current Controlled Trials allows users to search, register and share information about randomised controlled trials. Access to all the information on this site is free. Sponsored by BioMedCentral.