Awareness Health
International Clinical Trials Day
A day on 20 May recognising clinical research and the people who take part in trials.
- UK
- USA
- Ireland (not marked)
- Canada (not marked)
- Australia (not marked)
- New Zealand (not marked)
- International
ListingAdded by us from official sources
Last checked19 October 2026
First held2005
About the day
ECRIN started the day in 2005. It marks James Lind's 1747 scurvy trial, often seen as the first controlled clinical trial. In the UK, NIHR research centres hold events on the day.
2026 theme
Stronger Together: Advanced therapy clinical trials without borders
The 2027 theme has not been announced yet.
Dates for the next three years
| Year | Date | Where | Status |
|---|---|---|---|
| 2027 | Thursday 20 May 2027 | UK, USA, International | Same date every year |
| 2028 | Saturday 20 May 2028 | UK, USA, International | Same date every year |
| 2029 | Sunday 20 May 2029 | UK, USA, International | Same date every year |
Where this information comes from
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