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Clinical trial register · European Union · CTIS

Clinical Trials in Czechia

The most recently authorised trials on the EU Clinical Trials Information System (CTIS), the single register for every trial run under the EU Clinical Trials Regulation (536/2014). CTIS holds a far larger historical archive than any one list can usefully show — this register states both numbers rather than picking one.

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Source: EMA Clinical Trials Information System (CTIS). Showing the 2500 most recently authorised of 12445 total CTIS records — a stated recency window, not the full historical archive. Synced 20 Sep 2026, 03:17 UTC
2500
Shown in this register
most recently authorised
12,445
Total on CTIS
full historical archive
745
Phase III
within the shown window
Top member states
Spain 1023 France 890 Germany 861 Italy 742 Poland 581 Netherlands 524
Narrow the registerReset
Phase
Phase I 558 Phase I/II 214 Phase II 726 Phase III 745 Phase IV 257
Lead sponsor
AstraZeneca AB 60 Assistance Publique Hopitaux De Paris 49 Merck Sharp & Dohme LLC 48 Pfizer Inc. 45 Novo Nordisk A/S 42 Clear sponsor filter
Member state
Spain 1023 France 890 Germany 861 Italy 742 Poland 581 Netherlands 524 Belgium 426 Czechia 327
All 28 states
11 of 2500 shown studies
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Phase
Study
Lead sponsor
Area
Member states
Decision
Phase I/II
LIGHTBEAM-U01 Substudy 01D: A Phase 1b/2 Substudy to Evaluate the Safety and Efficacy of Ifinatamab Deruxtecan in Pediatric Participants With Relapsed or Refractory Solid Tumors
2025-522339-32-00Neoplasm malignant
Merck Sharp & Dohme LLC
Neoplasms
France, Spain, Sweden, Germany, Italy, Belgium, Denmark, Czechia, Hungary, Netherlands, Slovakia
26/05/2026
Phase II
A Phase 2 Open-Label, Umbrella Platform Design Study of Investigational Agent(s) in Participants With 2L/3L Unresectable Locally Advanced or Metastatic Esophageal Cancer: KEYMAKER-U06 Substudy 06F
2026-525213-31-00Esophageal squamous cell carcinoma
Merck Sharp & Dohme LLC
Neoplasms
Czechia, Germany, France, Norway
12/05/2026
Phase III
A Phase 3, Randomized, Double-blind, Study of Belzutifan + Zanzalintinib Versus Belzutifan + Placebo in Participants with Advanced RCC who have progressed on or after both PD-1/L1 and VEGF-TKI therapies in sequence or in combination (LITESPARK-034)
2024-516993-31-00Renal Cell Carcinoma
Merck Sharp & Dohme LLC
Neoplasms
Denmark, Spain, Netherlands, Germany, France, Czechia, Poland, Italy, Greece
04/05/2026
Phase III
A Multicenter, Open-label, Phase 3 Extension Study to Evaluate the Long‑term Efficacy and Safety in Participants Who Are Currently on Treatment in a Belzutifan Study (LITESPARK-043)
2025-524160-38-00Renal Cell Carcinoma, hepatocellular carcinoma, nonMSI-H/dM…
Merck Sharp & Dohme LLC
Neoplasms
Czechia, Spain, Poland, Belgium, Finland, Germany, France, Netherlands, Hungary, Denmark
28/04/2026
Phase III
A Phase 3, Randomized, Open-label, Multicenter Study of Sacituzumab Tirumotecan (sac-TMT, MK-2870) Maintenance Treatment With or Without Bevacizumab Versus Standard of Care in Participants With Newly Diagnosed Advanced HRD-Negative Ovarian Cancer Following First-line Platinum-based Chemotherapy (TroFuse-021/ENGOTov85/ GOG-3102)
2023-508047-40-00Ovarian cancer
Merck Sharp & Dohme LLC
Neoplasms
Norway, Ireland, Spain, Greece, France, Poland, Denmark, Austria, Hungary, Belgium, Czechia, Finland, Germany, Italy, Sweden
28/04/2026
Phase III
An Operationally Seamless Phase 2/3 Study to Evaluate the Safety, Efficacy, and Pharmacokinetics of Enlicitide Decanoate in Pediatric Participants with Heterozygous Familial Hypercholesterolemia
2024-519068-42-00​Heterozygous Familial Hypercholesterolemia​ in pediatric p…
Merck Sharp & Dohme LLC
Cardiovascular Diseases
Germany, Spain, Belgium, Czechia, Norway, France, Poland, Netherlands, Italy, Finland
26/01/2026
Phase III
A Phase 3, Randomized, Open-label, Multicenter Study to Evaluate the Efficacy and Safety of Sacituzumab Tirumotecan (MK-2870) in Combination With Pembrolizumab With or Without Bevacizumab Compared With Standard of Care as Firstline Maintenance Treatment for Participants With Persistent, Recurrent, or Newly Diagnosed Metastatic Cervical Cancer With PD-L1 CPS Greater Than or Equal to 1 (TroFuse-036/GOG-3123/ENGOT-cx22)
2025-521514-26-00Persistent, Recurrent, or Newly Diagnosed Metastatic Cervic…
Merck Sharp & Dohme LLC
Neoplasms
Greece, Ireland, France, Belgium, Czechia, Hungary, Austria, Spain, Sweden, Germany, Poland, Denmark, Italy
14/01/2026
Phase III
An Open-label Long-term Follow-up Study to Evaluate the Effects of Sotatercept When Added to Background Pulmonary Arterial Hypertension (PAH) Therapy for the Treatment of PAH (MK-7962-038)
2025-521970-33-00​​Pulmonary Arterial Hypertension (PAH)
Merck Sharp & Dohme LLC
Cardiovascular Diseases
Czechia, Germany, Sweden, Greece, Croatia, Belgium, Poland, Spain, Portugal, Italy, Denmark, France, Netherlands
01/12/2025
Phase III
A Phase 3, Randomized, Open-label Study of Belzutifan + Zanzalintinib Versus Cabozantinib in Participants with Advanced RCC who Experienced Disease Recurrence During or After Prior Adjuvant Anti-PD-1/L1 Therapy (LITESPARK-033)
2024-517136-21-00Renal Cell Carcinoma
Merck Sharp & Dohme LLC
Neoplasms
Greece, Germany, France, Italy, Croatia, Denmark, Czechia, Austria, Belgium, Ireland, Spain, Poland
10/11/2025
Phase III
A Phase 3, Randomized, Double-Blind, Placebo-Controlled Program to Evaluate the Efficacy and Safety of Tulisokibart in Participants with Moderately to Severely Active Crohn’s Disease
2024-518296-56-00Crohn’s Disease
Merck Sharp & Dohme LLC
Digestive System Diseases
Spain, Austria, Lithuania, France, Belgium, Germany, Sweden, Czechia, Finland, Croatia, Latvia, Portugal, Netherlands, Italy, Denmark, Slovakia, Romania, Poland, Ireland, Hungary, Greece
03/09/2025
Phase III
A Phase 3, Randomized, Open-label Study to Evaluate the Efficacy and Safety of Sac-TMT (Sacituzumab Tirumotecan, MK-2870) Followed by Carboplatin/Paclitaxel vs Chemotherapy, Both in Combination With Pembrolizumab as Neoadjuvant Therapy for High-Risk Early-Stage Triple-Negative Breast Cancer (TNBC) or Hormone Receptor-low positive/HER2-negative Breast Cancer
2024-520190-12-00Breast Cancer: triple negative breast cancer (TNBC) and hor…
Merck Sharp & Dohme LLC
Neoplasms
France, Sweden, Poland, Spain, Finland, Portugal, Belgium, Czechia, Germany, Greece, Hungary, Italy, Romania, Norway
27/08/2025
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Cite this view

Priya Life Science (2026). EU Clinical Trials Register (CTIS), filtered. Derived from the EMA Clinical Trials Information System. Retrieved 20 September 2026. https://priyalifescience.com/clinical-trials-europe/country/czechia

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Listing here is informational and not medical advice; eligibility is determined by each study team. Looking for Irish sites? See the Ireland, UK or USA registers. For approved medicines, see the EMA Approvals Tracker.