Clinical Trials Registry India (CTRI)

Since June 2009, trial registration in the CTRI has been made mandatory by the Drugs Controller General (India). From April 2018 the register only accepted trials prospectively.

The search options are fielded searches via fields such as type of trial, study design, trial phase and keywords.

Research into the content of the registry has been conducted:


Search options

Default operator In the Keywords field - Phrase searches.

Boolean operators No

Phrase searching breast cancer

Nesting No

Truncation No

Field tags Searches can include a range of categories and field options.

Hyphens Hyphens are recognised, so search with hyphens and without

Help pages No

Example breast cancer

Saved searches No

Export tagged Records can be saved as PDFs

Updated 23 October 2023