Clinical trials registers and regulatory databases

Guides to trials registers

Finding clinical trials, research registers and research results
York Health Economics Consortium, University of York
This resource provides a listing of trials and research registers and a quick reference guide to the search basics for each resource.

Trials registers

ClinicalTrials.gov 
International Clinical Trials Registry Platform (ICTRP)
EU Clinical Trials Register 
metaRegister of Controlled Trials

It is recommended that both ClinicalTrials.gov and the ICTRP portal are searched.

Trials registers import filters for EndNote

Graham Chan and Maria-Inti Metzendorf have made available filters to import records from ClinicalTrials.gov and the International Clinical Trials Registry Platform. Download the files, unzip them and save the .enf files to the Filters folder in EndNote.

ClinicalTrials.gov import filter
International Clinical Trials Registry Platform filter

Guidance on searching regulatory databases
Information Specialists' Support Team guidance on searching regulatory databases such as the European Medicines Agency and US Food and Drugs Administration