Clinical Trial Databases URL Globally

ClinicalTrials.gov

https://clinicaltrials.gov

EU Clinical Trials Register

 https://www.clinicaltrialsregister.eu

Australian New Zealand Clinical Trials Registry

https://www.australianclinicaltrials.gov.au

Japan Primary Registries Network

 http://www.umin.ac.jp/ctr/

International Standard Randomised Controlled Trial Number

https://www.isrctn.com

Chinese Clinical Trial Registry

 http://www.chictr.org.cn

Cuban Public Registry of Clinical

http://registroclinico.sld.cu

Peruvian Clinical Trials Registry

http://www.ensayosclinicos-repec.ins.gob.pe

Clinical Trials Registry-India

http://ctri.nic.in

German Clinical Trials Register

https://www.drks.de

The Netherlands National Trial Register

https://onderzoekmetmensen.nl

Brazilian Clinical Trials Registry (ReBec)

 http://www.ensaiosclinicos.gov.br

Clinical Research Information Service-Republic of Korea

https://cris.nih.go.kr

Pan african Clinical Trial Registry

 http://www.pactr.org

Sri Lanka Clinical Trials Registry

http://slctr.lk

Thai Clinical Trials Register

 http://www.clinicaltrials.in.th

Iranian Registry of Clinical Trials

 http://www.irct.ir

Reference:

BMJ https://rmdopen.bmj.com/content/9/3/e003279