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Obstructive sleep apnoea trials, also abroad

367 open Obstructive sleep apnoea trials worldwide. Travel and costs are your own unless the study pays them; ask the study team first.

CountryOpen trials
United States118
China40
France37
Taiwan22
Belgium20
Canada19
Türkiye17
Spain16
Australia15
Brazil9
Germany9
Egypt9
Italy9
Poland8
Hong Kong7
United Kingdom6
Switzerland5
Czechia4
Denmark4
India4
Netherlands4
Sweden4
Thailand4
Japan3
South Korea3
Singapore3
Finland2
Hungary2
Ireland2
Mexico2
Malaysia2
Portugal2
Austria1
Colombia1
Greenland1
Croatia1
Israel1
Iceland1
Paraguay1
Romania1
Serbia1
Slovenia1
Slovakia1

The same trial often runs in several countries

A Modified Baveno Classification of Obstructive Sleep Apnoea Based on Sleepiness and Cardiovascular Scores has 4 sites in Greece and runs in 11 countries. If a site near you is full, another one may still take people.

See A Modified Baveno Classification of Obstructive Sleep Apnoea Based on Sleepiness and Cardiovascular Scores in all 11 countries