Database allows English or Chinese search options. The registry has 68,713 registered trials (April 2023).
As well as interventional studies the register also includes prevention studies, diagnostic test studies, prognostic studies and epidemiological research.
Publications:
Fan R, Zheng Y, Zhou R et al. Chinese Clinical Trial Registry 13-year data collection and analysis: geographic distribution, financial support, research phase, duration, and disease categories. Front Med (Lausanne). 2023;10:1203346.
Default operator AND
Boolean operators Not available
Phrase searching Not available
Nesting None
Truncation No
Field tags Fielded searches are offered
Hyphens It is necessary to search for hyphenated and unhyphenated terms
Help pages No
Example Breast
Saved searches No
Export tagged Individual records can be downloaded in XML format
Updated 6 October 2025