The following clinical trials registries are covered in AdisInsight. National registries have been underlined.

ClinicalTrials.gov (US)
ISRCTN: Current Controlled Trials
M.D. Anderson Cancer Center
Barbara Ann Karmanos
National Cancer Institute of Canada
UMIN (Japan)
Mayo Clinic
Memorial Sloan-Kettering Cancer Center
University of Southern California/Norris
Robert H. Lurie
Vanderbilt Clinical Trials and Vanderbilt-Cancer
Trials
European Clinical Trials Database (EudraCT)
Oregon Health and Science University
UK Clinical Trials Register
Australia & New Zealand Clinical Trials Register
Netherlands Clinical Trials Register
China Clinical Trials Register
India Clinical Trials Register
Brazilian Clinical Trials Register
Clinical Research Information Service (CriS)-
Republic of Korea
Cuban Clinical Trial Registry
German Clinical Trial Register
Iranian Registry of Clinical Trials
Pan-African Clinical Trial Register
Sri Lanka Clinical Trials Registry