Asthma trials, also abroad
500 open Asthma trials worldwide. Travel and costs are your own unless the study pays them; ask the study team first.
| Country | Open trials |
|---|---|
| United States | 148 |
| China | 78 |
| United Kingdom | 48 |
| Spain | 47 |
| France | 46 |
| All other countries |
The same trial often runs in several countries
The Puerto Rico Asthma Integrated Response Program ("PR-AIR") has 1 site in Puerto Rico and runs in 2 countries. If a site near you is full, another one may still take people.
See The Puerto Rico Asthma Integrated Response Program ("PR-AIR") in all 2 countries