Health Canada, through its Clinical Trials Database, is providing to the public a listing of specific information relating to phase I, II and III clinical trials in patients. The database is managed by Health Canada and provides a source of information about Canadian clinical trials involving human pharmaceutical and biological drugs.
The ISRCTN registry is a primary clinical trial registry recognised by WHO and ICMJE that accepts all clinical research studies (whether proposed, ongoing or completed), providing content validation and curation and the unique identification number necessary for publication. All study records in the database are freely accessible and searchable.
ClinicalTrials.gov is a Web-based resource that provides patients, their family members, health care professionals, researchers, and the public with easy access to information on publicly and privately supported clinical studies on a wide range of diseases and conditions
The European Union 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);
clinical trials conducted outside the EU / EEA that are linked to European paediatric-medicine development.