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Clinical trials by country
Browse 265 countries hosting clinical research studies. Click through to see recruiting trials in that country.
- United Kingdom8,0354731 recruiting
- France6,0233919 recruiting
- Germany5,4453504 recruiting
- Spain4,9512939 recruiting
- Italy3,9552246 recruiting
- Canada3,7112189 recruiting
- United States3,4611725 recruiting
- Poland2,7761654 recruiting
- Netherlands2,6761560 recruiting
- Belgium2,6231559 recruiting
- England1,920917 recruiting
- Australia1,889944 recruiting
- Czechia1,591947 recruiting
- Japan1,410674 recruiting
- Denmark1,393808 recruiting
- Hungary1,374793 recruiting
- Austria1,364778 recruiting
- South Korea1,356635 recruiting
- Greece1,196686 recruiting
- Sweden1,145645 recruiting
- Brazil1,109549 recruiting
- China1,062540 recruiting
- Portugal1,039622 recruiting
- Taiwan1,018466 recruiting
- Israel1,009463 recruiting
- Argentina968457 recruiting
- Romania928566 recruiting
- Bulgaria900547 recruiting
- Turkey (Türkiye)865394 recruiting
- Switzerland857450 recruiting
- Mexico674297 recruiting
- Norway647378 recruiting
- Ireland601329 recruiting
- Finland573318 recruiting
- Slovakia498287 recruiting
- India466240 recruiting
- Chile445210 recruiting
- New Zealand442213 recruiting
- Scotland407213 recruiting
- Singapore381168 recruiting
- Puerto Rico362159 recruiting
- Malaysia338158 recruiting
- South Africa332146 recruiting
- Thailand323143 recruiting
- Hong Kong323136 recruiting
- Wales322158 recruiting
- Russia31145 recruiting
- Croatia306178 recruiting
- Colombia295142 recruiting
- Lithuania268160 recruiting
- Serbia266128 recruiting
- Latvia227127 recruiting
- Ukraine22777 recruiting
- Estonia207115 recruiting
- Georgia17284 recruiting
- Peru16275 recruiting
- Saudi Arabia16183 recruiting
- Northern Ireland15776 recruiting
- Slovenia153101 recruiting
- Philippines12056 recruiting
- Vietnam10253 recruiting
- United Arab Emirates5827 recruiting
- United States of America5032 recruiting
- Moldova4625 recruiting
- Guatemala4516 recruiting
- Lebanon4114 recruiting
- Jordan4017 recruiting
- Egypt3615 recruiting
- Pakistan3020 recruiting
- Cyprus2820 recruiting
- Bosnia and Herzegovina288 recruiting
- Czech Republic2614 recruiting
- Kenya2613 recruiting
- North Macedonia2612 recruiting
- Iceland2515 recruiting
- Belarus246 recruiting
- Panama2312 recruiting
- Tunisia2112 recruiting
- Luxembourg1813 recruiting
- Oman188 recruiting
- Korea, South1814 recruiting
- Nigeria1713 recruiting
- Costa Rica179 recruiting
- Kuwait168 recruiting
- Uganda145 recruiting
- Martinique1311 recruiting
- Ghana139 recruiting
- Türkiye126 recruiting
- Dominican Republic126 recruiting
- Nepal119 recruiting
- Qatar106 recruiting
- Kazakhstan105 recruiting
- Monaco106 recruiting
- Sri Lanka97 recruiting
- Morocco94 recruiting
- Armenia97 recruiting
- Indonesia88 recruiting
- Iran87 recruiting
- Algeria62 recruiting
- Albania66 recruiting
- Guadeloupe65 recruiting
- Ecuador65 recruiting
- Reunion65 recruiting
- Ethiopia55 recruiting
- Uruguay55 recruiting
- Honduras54 recruiting
- Bangladesh53 recruiting
- Uzbekistan54 recruiting
- Malta43 recruiting
- Cameroon44 recruiting
- Viet Nam43 recruiting
- Zimbabwe42 recruiting
- Côte d’Ivoire32 recruiting
- Mali33 recruiting
- Senegal33 recruiting
- French Guiana33 recruiting
- Gambia31 recruiting
- Rwanda33 recruiting
- Bolivia33 recruiting
- Venezuela33 recruiting
- Iraq33 recruiting
- Guam31 recruiting
- Jamaica32 recruiting
- Jersey32 recruiting
- Mongolia32 recruiting
- Burkina Faso22 recruiting
- Gabon22 recruiting
- Madagascar22 recruiting
- Mauritania22 recruiting
- Niger22 recruiting
- Togo22 recruiting
- Namibia22 recruiting
- Russian Federation21 recruiting
- Benin22 recruiting
- Botswana22 recruiting
- Cambodia22 recruiting
- Paraguay22 recruiting
- Tanzania22 recruiting
- Libya22 recruiting
- New Caledonia22 recruiting
- The Gambia22 recruiting
- French Polynesia22 recruiting
- Azerbaijan22 recruiting
- Barbados22 recruiting
- El Salvador22 recruiting
- Guinea22 recruiting
- Isle of Man22 recruiting
- Kosovo22 recruiting
- Mauritius22 recruiting
- Montenegro21 recruiting
- Democratic Republic of the Congo11 recruiting
- Afghanistan11 recruiting
- Åland Islands11 recruiting
- American Samoa11 recruiting
- Andorra11 recruiting
- Angola11 recruiting
- Anguilla11 recruiting
- Antarctica11 recruiting
- Antigua and Barbuda11 recruiting
- Aruba11 recruiting
- Bahamas11 recruiting
- Bahrain11 recruiting
- Belize11 recruiting
- Bermuda11 recruiting
- Bhutan11 recruiting
- Bonaire Saint Eustatius and Saba11 recruiting
- Bouvet Island11 recruiting
- British Indian Ocean Territory11 recruiting
- Brunei Darussalam11 recruiting
- Burundi11 recruiting
- Cabo Verde11 recruiting
- Cayman Islands11 recruiting
- Central African Republic11 recruiting
- Chad11 recruiting
- Christmas Island11 recruiting
- Cocos (Keeling) Islands11 recruiting
- Comoros11 recruiting
- Congo11 recruiting
- Congo, Democratic Republic11 recruiting
- Cook Islands11 recruiting
- Cuba11 recruiting
- Curaçao11 recruiting
- Côte d'Ivoire11 recruiting
- Djibouti11 recruiting
- Dominica11 recruiting
- Equatorial Guinea11 recruiting
- Eritrea11 recruiting
- Eswatini11 recruiting
- Falkland Islands11 recruiting
- Faroe Islands11 recruiting
- Fiji11 recruiting
- French Southern Territories11 recruiting
- Gibraltar11 recruiting
- Greenland11 recruiting
- Grenada11 recruiting
- Guernsey11 recruiting
- Guinea-Bissau11 recruiting
- Guyana11 recruiting
- Haiti11 recruiting
- Heard Island and McDonald Islands11 recruiting
- Holy See (Vatican City State)11 recruiting
- Kiribati11 recruiting
- Korea, North11 recruiting
- Kyrgyzstan11 recruiting
- Lao People's Democratic Republic11 recruiting
- Lesotho11 recruiting
- Liberia11 recruiting
- Liechtenstein11 recruiting
- Macao11 recruiting
- Malawi11 recruiting
- Maldives11 recruiting
- Marshall Islands11 recruiting
- Mayotte11 recruiting
- Micronesia, Federated States of11 recruiting
- Montserrat11 recruiting
- Mozambique11 recruiting
- Myanmar11 recruiting
- Nauru11 recruiting
- Nicaragua11 recruiting
- Niue11 recruiting
- Norfolk Island11 recruiting
- Northern Mariana Islands11 recruiting
- Palau11 recruiting
- Palestine, State of11 recruiting
- Papua New Guinea11 recruiting
- Pitcairn11 recruiting
- Réunion11 recruiting
- Saint Barthélemy11 recruiting
- Saint Helena, Ascension and Tristan da Cunha11 recruiting
- Saint Kitts and Nevis11 recruiting
- Saint Lucia11 recruiting
- Saint Martin (French part)11 recruiting
- Saint Pierre and Miquelon11 recruiting
- Saint Vincent and the Grenadines11 recruiting
- Samoa11 recruiting
- San Marino11 recruiting
- Sao Tome and Principe11 recruiting
- Seychelles11 recruiting
- Sierra Leone11 recruiting
- Sint Maarten (Dutch part)11 recruiting
- Solomon Islands11 recruiting
- Somalia11 recruiting
- South Georgia and the South Sandwich Islands11 recruiting
- South Sudan11 recruiting
- Sudan11 recruiting
- Suriname11 recruiting
- Svalbard and Jan Mayen11 recruiting
- Syria11 recruiting
- Tajikistan11 recruiting
- Timor-Leste11 recruiting
- Tokelau11 recruiting
- Tonga11 recruiting
- Trinidad and Tobago11 recruiting
- Turkmenistan11 recruiting
- Turks and Caicos Islands11 recruiting
- Tuvalu11 recruiting
- United States Minor Outlying Islands11 recruiting
- Vanuatu11 recruiting
- Virgin Islands, British11 recruiting
- Virgin Islands, U.S.11 recruiting
- Wallis and Futuna11 recruiting
- Western Sahara11 recruiting
- Yemen11 recruiting
- Zambia11 recruiting
- Brunei1