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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 Kingdom6,6573584 recruiting
- France5,5832706 recruiting
- Germany5,0352188 recruiting
- Spain4,4721410 recruiting
- Canada3,6352153 recruiting
- Italy3,5931239 recruiting
- United States3,3841722 recruiting
- Poland2,514805 recruiting
- Netherlands2,403741 recruiting
- Belgium2,400786 recruiting
- Australia1,794891 recruiting
- Czechia1,488465 recruiting
- Japan1,358641 recruiting
- South Korea1,318625 recruiting
- Austria1,274480 recruiting
- Hungary1,268382 recruiting
- Denmark1,246415 recruiting
- Greece1,082381 recruiting
- Brazil1,060521 recruiting
- Sweden1,051352 recruiting
- China1,017511 recruiting
- Taiwan980441 recruiting
- Israel974438 recruiting
- Portugal957336 recruiting
- Argentina932444 recruiting
- England848
- Turkey (Türkiye)845386 recruiting
- Romania841282 recruiting
- Bulgaria817227 recruiting
- Switzerland816424 recruiting
- Mexico642280 recruiting
- Norway579209 recruiting
- Ireland538193 recruiting
- Finland526184 recruiting
- Slovakia463138 recruiting
- India438225 recruiting
- Chile430204 recruiting
- New Zealand419203 recruiting
- Singapore364158 recruiting
- Puerto Rico354159 recruiting
- Malaysia320145 recruiting
- Hong Kong316126 recruiting
- South Africa315130 recruiting
- Thailand312137 recruiting
- Russia30845 recruiting
- Croatia284110 recruiting
- Colombia282133 recruiting
- Serbia258127 recruiting
- Lithuania24380 recruiting
- Ukraine22171 recruiting
- Latvia20444 recruiting
- Estonia18850 recruiting
- Georgia16177 recruiting
- Peru15770 recruiting
- Saudi Arabia15678 recruiting
- Scotland151
- Slovenia14265 recruiting
- Philippines11652 recruiting
- Wales111
- Vietnam9850 recruiting
- Northern Ireland62
- United Arab Emirates5523 recruiting
- Moldova4524 recruiting
- Guatemala4514 recruiting
- Lebanon4114 recruiting
- Jordan3815 recruiting
- Egypt3512 recruiting
- Bosnia and Herzegovina287 recruiting
- United States of America26
- Kenya2511 recruiting
- Pakistan2417 recruiting
- North Macedonia248 recruiting
- Belarus245 recruiting
- Cyprus2210 recruiting
- Panama2210 recruiting
- Iceland229 recruiting
- Tunisia199 recruiting
- Oman187 recruiting
- Luxembourg177 recruiting
- Nigeria1611 recruiting
- Costa Rica167 recruiting
- Kuwait167 recruiting
- Martinique1310 recruiting
- Czech Republic12
- Uganda124 recruiting
- Ghana128 recruiting
- Dominican Republic124 recruiting
- Monaco105 recruiting
- Kazakhstan104 recruiting
- Qatar105 recruiting
- Morocco93 recruiting
- Armenia96 recruiting
- Nepal86 recruiting
- Sri Lanka85 recruiting
- Iran86 recruiting
- Korea, South7
- Reunion75 recruiting
- Guadeloupe64 recruiting
- Algeria61 recruiting
- Indonesia65 recruiting
- Honduras53 recruiting
- Uruguay54 recruiting
- Bangladesh52 recruiting
- Türkiye5
- Uzbekistan53 recruiting
- Cameroon42 recruiting
- Ecuador42 recruiting
- Albania43 recruiting
- Ethiopia43 recruiting
- French Guiana32 recruiting
- Côte d’Ivoire32 recruiting
- Mali32 recruiting
- Senegal32 recruiting
- Venezuela31 recruiting
- Malta3
- Bolivia31 recruiting
- Rwanda31 recruiting
- Guam3
- Zimbabwe31 recruiting
- Iraq32 recruiting
- Jamaica31 recruiting
- Burkina Faso21 recruiting
- Gabon21 recruiting
- Madagascar21 recruiting
- Mauritania21 recruiting
- Niger21 recruiting
- Togo21 recruiting
- Namibia21 recruiting
- El Salvador21 recruiting
- Botswana21 recruiting
- Mongolia2
- Cambodia2
- Paraguay2
- Tanzania2
- Libya21 recruiting
- Azerbaijan21 recruiting
- Barbados21 recruiting
- Benin21 recruiting
- French Polynesia21 recruiting
- Guinea21 recruiting
- Jersey21 recruiting
- Kosovo21 recruiting
- Mauritius21 recruiting
- Montenegro2
- New Caledonia21 recruiting
- The Gambia22 recruiting
- Democratic Republic of the Congo11 recruiting
- Brunei1
- Afghanistan1
- Åland Islands1
- American Samoa1
- Andorra1
- Angola1
- Anguilla1
- Antarctica1
- Antigua and Barbuda1
- Aruba1
- Bahamas1
- Bahrain1
- Belize1
- Bermuda1
- Bhutan1
- Bonaire Saint Eustatius and Saba1
- Bouvet Island1
- British Indian Ocean Territory1
- Brunei Darussalam1
- Burundi1
- Cabo Verde1
- Cayman Islands1
- Central African Republic1
- Chad1
- Christmas Island1
- Cocos (Keeling) Islands1
- Comoros1
- Congo1
- Congo, Democratic Republic1
- Cook Islands1
- Cuba1
- Curaçao1
- Côte d'Ivoire1
- Djibouti1
- Dominica1
- Equatorial Guinea1
- Eritrea1
- Eswatini1
- Falkland Islands1
- Faroe Islands1
- Fiji1
- French Southern Territories1
- Gambia1
- Gibraltar1
- Greenland1
- Grenada1
- Guernsey1
- Guinea-Bissau1
- Guyana1
- Haiti1
- Heard Island and McDonald Islands1
- Holy See (Vatican City State)1
- Isle of Man1
- Kiribati1
- Korea, North1
- Kyrgyzstan1
- Lao People's Democratic Republic1
- Lesotho1
- Liberia1
- Liechtenstein1
- Macao1
- Malawi1
- Maldives1
- Marshall Islands1
- Mayotte1
- Micronesia, Federated States of1
- Montserrat1
- Mozambique1
- Myanmar1
- Nauru1
- Nicaragua1
- Niue1
- Norfolk Island1
- Northern Mariana Islands1
- Palau1
- Palestine, State of1
- Papua New Guinea1
- Pitcairn1
- Russian Federation1
- Réunion1
- Saint Barthélemy1
- Saint Helena, Ascension and Tristan da Cunha1
- Saint Kitts and Nevis1
- Saint Lucia1
- Saint Martin (French part)1
- Saint Pierre and Miquelon1
- Saint Vincent and the Grenadines1
- Samoa1
- San Marino1
- Sao Tome and Principe1
- Seychelles1
- Sierra Leone1
- Sint Maarten (Dutch part)1
- Solomon Islands1
- Somalia1
- South Georgia and the South Sandwich Islands1
- South Sudan1
- Sudan1
- Suriname1
- Svalbard and Jan Mayen1
- Syria1
- Tajikistan1
- Timor-Leste1
- Tokelau1
- Tonga1
- Trinidad and Tobago1
- Turkmenistan1
- Turks and Caicos Islands1
- Tuvalu1
- United States Minor Outlying Islands1
- Vanuatu1
- Viet Nam1
- Virgin Islands, British1
- Virgin Islands, U.S.1
- Wallis and Futuna1
- Western Sahara1
- Yemen1
- Zambia1