Table 1

COVID-19 clinical trials summary (data from, 7 May 2020), n=1221

Study characteristicNo of studies
Study type
 Patient registry84
  Early phase I15
  Phase I66
  Phase II290
  Phase III200
  Phase IV47
 US Federal Government3
Location (study site)
 North America294
 East Asia87
 Middle East55
 South America34
 South Asia16
 Southeast Asia11
 North Asia6
 Central America2
  • *US National Institutes of Health.

  • †Individuals, universities, organisations.

  • ‡Some studies have more than one study site within and across countries.