Skip to main content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Australian New Zealand Clinical Trials Registry (ANZCTR)
Online registry of clinical trials being
undertaken in Australia, New Zealand and elsewhere.
CenterWatch's mission is to be the leading source of clinical trials information for both clinical research professionals and patients.
CENTRAL (Cochrane Central Register of Controlled Trials)
A highly concentrated source of reports of randomised and quasi-randomised controlled trials.
Registry and results database of publicly and privately supported clinical studies of human participants conducted around the world.
Tracks switched outcomes in clinical trials.
EU Clinical Trials Register
Allows you to search for protocol and results information on interventional clinical trials that are conducted in the European Union (EU) and the European Economic Area (EEA), and clinical trials conducted outside the EU / EEA that are linked to European paediatric-medicine development.
Health Services Research Projects in Progress (HSRProj)
Provides information about research-in-progress before results are available in a published format.
International Clinical Trials Registry Platform (ICTRP)
The World Health Organization's (WHO) search portal to registered international clinical trials.
A primary clinical trial registry recognized by WHO (World Health Organization) and ICMJE (International Committee of Medical Journal Editors) that accepts all clinical research studies. All study records in the database are freely accessible and searchable.
UK Clinical Trials Gateway
Provides people with useful information about how trials work while helping link them to researchers running trials they might be interested in.