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32 countries2 751 cities10 242 clinical trials with ongoing clinical trials

Trials across Europe

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All countries

Every country with clinical trials in the catalogue, busiest first

Spain

Spain

4 429 trials
1 577 recruiting1 479 new in 30 days
Most trials inMadrid3 288

36% of its trials are recruiting right now. 172 research centres take part, 76 of them verified by us.

172 research sitesView
France

France

4 182 trials
1 621 recruiting1 302 new in 30 days
Most trials inParis2 595

39% of its trials are recruiting right now. 198 research centres take part, 117 of them verified by us.

198 research sitesView
Germany

Germany

3 639 trials
1 296 recruiting1 321 new in 30 days
Most trials inBerlin1 762

36% of its trials are recruiting right now. 214 research centres take part, 115 of them verified by us.

214 research sitesView
Italy

Italy

3 609 trials
1 370 recruiting1 276 new in 30 days
Most trials inMilan2 385

38% of its trials are recruiting right now. 136 research centres take part, 96 of them verified by us.

136 research sitesView
Poland

Poland

2 701 trials
913 recruiting1 013 new in 30 days
Most trials inWarsaw1 805

34% of its trials are recruiting right now. 204 research centres take part, 101 of them verified by us.

204 research sitesView
The Netherlands

The Netherlands

2 303 trials
925 recruiting708 new in 30 days
Most trials inAmsterdam1 082

40% of its trials are recruiting right now. 105 research centres take part, 45 of them verified by us.

105 research sitesView
Belgium

Belgium

2 159 trials
815 recruiting785 new in 30 days
Most trials inLeuven1 127

38% of its trials are recruiting right now. 64 research centres take part, 25 of them verified by us.

64 research sitesView
Czechia

Czechia

1 506 trials
525 recruiting614 new in 30 days
Most trials inPrague1 215

35% of its trials are recruiting right now. 44 research centres take part, 26 of them verified by us.

44 research sitesView
Austria

Austria

1 106 trials
445 recruiting433 new in 30 days
Most trials inVienna836

40% of its trials are recruiting right now. 30 research centres take part, 18 of them verified by us.

30 research sitesView
Greece

Greece

1 085 trials
401 recruiting445 new in 30 days
Most trials inAthens964

37% of its trials are recruiting right now. 35 research centres take part, 14 of them verified by us.

35 research sitesView
Sweden

Sweden

1 067 trials
456 recruiting383 new in 30 days
Most trials inSolna377

43% of its trials are recruiting right now. 64 research centres take part, 33 of them verified by us.

64 research sitesView
Bulgaria

Bulgaria

832 trials
276 recruiting347 new in 30 days
Most trials inSofia760

33% of its trials are recruiting right now. 40 research centres take part, 23 of them verified by us.

40 research sitesView
Portugal

Portugal

821 trials
306 recruiting334 new in 30 days
Most trials inLisbon635

37% of its trials are recruiting right now. 20 research centres take part, 10 of them verified by us.

20 research sitesView
Norway

Norway

677 trials
313 recruiting233 new in 30 days
Most trials inOslo526

46% of its trials are recruiting right now. 30 research centres take part, 14 of them verified by us.

30 research sitesView
Ireland

Ireland

463 trials
171 recruiting169 new in 30 days
Most trials inDublin442

37% of its trials are recruiting right now. 20 research centres take part, 10 of them verified by us.

20 research sitesView
Croatia

Croatia

275 trials
103 recruiting129 new in 30 days
Most trials inZagreb254

37% of its trials are recruiting right now. 8 research centres take part, 5 of them verified by us.

8 research sitesView
Latvia

Latvia

207 trials
55 recruiting88 new in 30 days
Most trials inRiga202

27% of its trials are recruiting right now. 7 research centres take part, 1 of them verified by us.

7 research sitesView
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On this site, “treatment” means an investigational medicine being studied in a clinical trial. Its safety and efficacy for the use being studied have not yet been confirmed, some participants may receive a placebo or a comparator medicine, and taking part does not guarantee any health benefit. The decision to take part is made by the doctor at the research site. This site is for information only and does not replace medical advice.

This service is not affiliated with the European Commission, the EMA, or the official CTIS system. Most information comes from publicly available international clinical-trial registries, supplemented by data from academic sites, national regulators and commercial sponsors. On this site, “treatment” and “therapy” mean a medicine being tested in a clinical trial. Its safety and effectiveness in the use being studied are not yet confirmed, some participants may receive a placebo or a comparator, and taking part does not guarantee a health benefit. The doctor at the research site decides who can take part. This site provides information, not medical advice. Certain content and visual elements on this website have been generated or enhanced using artificial intelligence (AI).