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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 19 Sep 2026, 04:26 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
Member state
Spain 1023 France 890 Germany 861 Italy 742 Poland 581 Netherlands 524 Belgium 426 Czechia 327
All 28 states
196 of 2500 shown studies
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Phase
Study
Lead sponsor
Area
Member states
Decision
Phase III
A Randomized, Double-masked, Parallel-group, Multicenter Clinical Study to Evaluate the Efficacy and Safety of AVT29 Compared with Eylea High Dose (HD) in Participants with Diabetic Macular Edema (ALVOEYE-HD)
2025-522231-34-00Diabetic Macular Edema
Alvotech Swiss AG
Eye Diseases
Latvia, Slovakia, Czechia, Hungary, Poland, Bulgaria
06/03/2026
Phase III
A Phase III, multisite, randomized, double-blind trial of BNT327 in combination with chemotherapy versus placebo with chemotherapy in patients with previously untreated locally recurrent inoperable or metastatic TNBC determined ineligible for PD(L)1 therapy based on PD-L1 negative disease
2025-521884-12-00First line triple-negative breast cancer (TNBC)
BioNTech SE
Neoplasms
Czechia, Poland, Italy, France, Belgium, Netherlands, Germany, Spain
04/03/2026
Phase III
A randomized, double-blind, placebo-controlled Phase III study to evaluate the efficacy and safety of remibrutinib in patients with secondary progressive multiple sclerosis
2025-521546-23-00Secondary progressive multiple sclerosis
Novartis Pharma AG
Nervous System Diseases
Denmark, Slovenia, Netherlands, Portugal, Ireland, Sweden, Croatia, Greece, Germany, Latvia, Czechia, Spain, Romania, Belgium, Austria, Lithuania, Slovakia, Poland, Estonia, Bulgaria, France, Italy, Hungary, Finland, Norway
03/03/2026
Phase III
A prospective, open-label, single-arm, multicenter study evaluating the efficacy of Xanomeline/Trospium (XT) on cognitive impairment after 24 and 52 weeks of treatment in adult participants with schizophrenia.
2025-523060-20-00Schizophrenia
European Group for Research in Schizophrenia Stichting
Mental Disorders
Denmark, Belgium, Italy, Netherlands, Hungary, Czechia, Austria, Spain, Germany
03/03/2026
Phase III
A Phase 3, multicenter, open-label extension study to evaluate the long-term safety, tolerability, and efficacy of subcutaneous sonelokimab in participants with psoriatic arthritis (PsA)
2025-522471-28-00psoriatic arthritis (PsA)
MoonLake Immunotherapeutics AG
Musculoskeletal Diseases
Estonia, Croatia, Slovakia, Lithuania, Romania, Hungary, Germany, France, Latvia, Poland, Portugal, Greece, Czechia, Bulgaria, Finland, Spain
25/02/2026
Phase III
J2A-MC-GZPW: A Phase 3, Randomized, Double-Blind, Placebo-Controlled, Event-Driven Study to Investigate the Effect of Orforglipron on the Incidence of Major Adverse Cardiovascular Events in Participants With Established Atherosclerotic Cardiovascular Disease and/or Chronic Kidney Disease
2025-523123-22-00Atherosclerosis Cardiovascular Disease, Chronic Kidney Dise…
Eli Lilly & Co.
Cardiovascular Diseases
Germany, Czechia, Lithuania, Spain, Austria, France, Hungary, Greece, Estonia, Netherlands, Slovakia, Poland, Romania, Bulgaria, Italy, Belgium
24/02/2026
Phase III
A multicenter, multinational, randomized, double-blind, placebo-controlled Phase 3, maintenance study to evaluate the efficacy and safety of duvakitug in participants with moderately to severely active Crohn’s disease
2025-521037-86-00Immune system diseases
Sanofi-Aventis Recherche & Developpement
Immune System Diseases
Spain, Czechia, Lithuania, Hungary, Greece, Bulgaria, Poland, Belgium, France, Germany, Norway, Austria, Netherlands, Italy, Slovakia
24/02/2026
Phase III
A multicenter, multinational, randomized, double-blind, placebo-controlled Phase 3, induction study to evaluate the efficacy and safety of duvakitug in participants with moderately to severely active Crohn’s Disease
2025-521036-11-00Immune system disseases
Sanofi-Aventis Recherche & Developpement
Immune System Diseases
Slovakia, Netherlands, Poland, Greece, Czechia, Italy, Bulgaria, Belgium, Germany, Lithuania, Austria, Spain, Hungary, Norway, France
24/02/2026
Phase III
A seamless Phase 2/3 randomized, open-label study to investigate efficacy and safety of frexalimab versus tacrolimus in adult kidney transplant recipients
2025-521521-33-00Kidney transplant rejection
Sanofi-Aventis Recherche & Developpement
Immune System Diseases
Germany, Hungary, Italy, Belgium, Czechia, Finland, Spain, Austria, Sweden, France, Denmark, Netherlands
23/02/2026
Phase III
Phase 3 Randomized, Double-blind, Placebo-controlled Studies Assessing Ziftomenib in Combination with Either Standard of Care Nonintensive (Venetoclax+Azacitidine) or Intensive (7+3) Therapy in Patients with Untreated NPM1 Mutated or KMT2A Rearranged Acute Myeloid Leukemia
2025-521314-25-00NPM1-m and KMT2A-r Acute Myeloid Leukemia
Kura Oncology Inc.
Neoplasms
Belgium, Spain, Italy, Czechia, Hungary, Poland, France, Portugal, Germany, Greece
20/02/2026
Phase III
A phase 3 randomized, double-blind, active-controlled study of palazestrant with ribociclib versus letrozole with ribociclib for the first-line treatment of ER+, HER2- advanced breast cancer (OPERA-02)
2025-522873-12-00ER+, HER2- Advanced Breast Cancer
Olema Pharmaceuticals Inc.
Neoplasms
Hungary, Portugal, Italy, France, Poland, Czechia, Germany, Spain, Belgium, Austria, Romania, Greece, Netherlands
17/02/2026
Phase III
Adaptive, Phase 2/3, Randomized, Double-Blind Trial Investigating the Efficacy and Safety of Visugromab versus Placebo in Patients with Cancer-associated Cachexia
2025-523533-25-00Cancer-associated Cachexia
CatalYm GmbH
Nutritional and Metabolic Diseases
France, Czechia, Romania, Italy, Germany, Poland, Spain, Bulgaria, Norway, Ireland, Netherlands
13/02/2026
Phase III
A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study of Revumenib in Combination with Intensive Chemotherapy in Participants with Newly Diagnosed AML with an NPM1 mutation (REVEAL-ND NPM1)
2025-522279-27-00Newly Diagnosed AML with an NPM1 mutation
Syndax Pharmaceuticals Inc.
Neoplasms
Greece, Poland, Spain, Austria, Italy, Romania, Belgium, France, Lithuania, Germany, Hungary, Czechia, Portugal
13/02/2026
Phase III
A Randomized, Active-Controlled, Double-blind, Multicenter, Phase 3 Clinical Study of Ivonescimab in Combination with FOLFOX versus Bevacizumab in Combination with FOLFOX for the First-line Treatment of Metastatic Colorectal Cancer (HARMONi-GI3)
2025-521587-35-00Metastatic colorectal cancer
Summit Therapeutics Inc.
Neoplasms
Belgium, Italy, Spain, Germany, France, Poland, Czechia, Hungary
12/02/2026
Phase III
An Open-label, Randomized Phase 3 Study of Linvoseltamab Monotherapy and Linvoseltamab plus Carfilzomib versus Standard of Care Combination Regimens in Patients with Relapsed/Refractory Multiple Myeloma
2024-519504-27-00Relapsed Refractory Multiple Myeloma
Regeneron Pharmaceuticals Inc.
Neoplasms
Greece, Spain, Poland, Italy, Austria, Czechia, Belgium, Germany, Netherlands, France
10/02/2026
Phase III
A Phase 3 Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy, Safety, and Tolerability of Maridebart Cafraglutide in Adult Participants with Obstructive Sleep Apnea on Positive Airway Pressure Therapy and Living with Overweight or Obesity (MARITIME-OSA-1)
2025-522703-14-00"Moderate to severe obstructive sleep apnea (OSA) in adults…
Amgen Inc.
Respiratory Tract Diseases
Poland, Germany, Czechia, Hungary, Spain, France
10/02/2026
Phase III
A Phase 3, Randomized, Double-Blinded, Placebo-Controlled Study Evaluating the Efficacy and Safety of Empasiprubart IV in Adults With Chronic Inflammatory Demyelinating Polyneuropathy
2025-520805-10-00Chronic inflammatory demyelinating polyneuropathy (CIDP)
Argenx
Nervous System Diseases
Czechia, Denmark, Poland, Slovenia, Netherlands, Austria, Estonia, Slovakia, Hungary, Finland, Bulgaria, France, Italy, Greece, Romania
10/02/2026
Phase III
A Phase 3 Trial to Evaluate the Long-Term Safety and Efficacy of Navenibart in Participants with Hereditary Angioedema – ORBIT-EXPANSE
2025-521142-22-00Hereditary Angioedema
Astria Therapeutics Inc.
Congenital, Hereditary, and Neonatal Diseases and Abnormalities
Netherlands, Spain, Poland, Germany, Czechia, Austria, Portugal, Hungary, France, Italy, Bulgaria
09/02/2026
Phase III
A Multicenter, Multinational, Randomized, Double-blind, Placebo-Controlled, Phase 3 Maintenance Study to Evaluate the Efficacy and Safety of Duvakitug in Participants with Moderately to Severely Active Ulcerative Colitis
2025-521038-27-00Immune system diseases
Sanofi-Aventis Recherche & Developpement
Immune System Diseases
Slovakia, Germany, Austria, Italy, Czechia, Netherlands, Poland, Belgium, Hungary, Lithuania, Greece, France, Bulgaria, Spain, Norway
09/02/2026
Phase III
A multicenter, multinational, randomized, double-blind, placebo-controlled Phase 3, induction study to evaluate the efficacy and safety of duvakitug in participants with moderately to severely active Ulcerative Colitis.
2025-521035-37-00Immune system diseases
Sanofi-Aventis Recherche & Developpement
Immune System Diseases
Austria, France, Norway, Hungary, Bulgaria, Netherlands, Czechia, Slovakia, Germany, Lithuania, Greece, Belgium, Italy, Spain, Poland
09/02/2026
Phase III
Prospective, multi-center, randomized, double-blinded, placebo-controlled phase IIb clinical trial to evaluate safety and efficacy of DUOFAG® in bacterial infection treatment in patients with complicated wounds
2025-522752-45-00Complicated skin wounds (wounds healing per secundam via gr…
MB PHARMA s.r.o.
Bacterial Infections and Mycoses
Czechia
09/02/2026
Phase III
A Phase 2b/3, Open-Label, Multicenter Trial Evaluating the Efficacy and Safety of Switching to Brelovitug for the Treatment of Chronic Hepatitis Delta Infection in Participants Receiving Bulevirtide (AZURE-3)
2025-522015-42-00Chronic Hepatitis D Infection
Mirum Pharmaceuticals Inc.
Virus Diseases
Czechia, Austria, Spain, Romania, Germany, Italy, France
03/02/2026
Phase III
ZENITH: A Phase 3 Global, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy and Safety of Zilebesiran in Addition to Standard of Care in Reducing Major Adverse Cardiovascular Events in Adult Patients with Hypertension Not Adequately Controlled and With Either Established Cardiovascular Disease or High Risk for Cardiovascular Disease
2025-522960-34-00Hypertension, Established cardiovascular disease, High card…
Alnylam Pharmaceuticals Inc.
Cardiovascular Diseases
Belgium, Hungary, Czechia, Austria, Germany, France, Greece, Spain, Romania, Netherlands, Italy, Poland, Slovakia, Sweden, Portugal, Denmark, Bulgaria
03/02/2026
Phase III
A RANDOMIZED, PHASE 3, OPEN-LABEL STUDY OF NEOADJUVANT DAROVASERTIB IN SUBJECTS WITH PRIMARY NON-METASTATIC UVEAL MELANOMA (OptimUM-10)
2025-522387-32-00Uveal Melanoma
Ideaya Biosciences Inc.
Eye Diseases
France, Spain, Poland, Italy, Czechia, Belgium, Austria, Netherlands, Denmark, Germany
29/01/2026
Phase III
N1T-MC-MALO: A Master Protocol for a Randomized, Controlled, Clinical Trial of Multiple Pharmacologic Agents in Adult Participants With Metabolic Dysfunction-Associated Steatotic Liver Disease Who Are at Increased Risk of Developing Major Adverse Liver Outcomes (SYNERGY-Outcomes); N1T-MC-TZ01 Tirzepatide in participants with high-risk MASLD; N1T-MC-RT01 Retatrutide in participants with high-risk MASLD
2025-522674-36-00Metabolic Dysfunction-Associated Steatotic Liver Disease
Eli Lilly & Co.
Nutritional and Metabolic Diseases
Czechia, France, Netherlands, Bulgaria, Norway, Austria, Poland, Spain, Italy, Hungary, Germany, Romania, Sweden, Portugal, Belgium
27/01/2026
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Priya Life Science (2026). EU Clinical Trials Register (CTIS), filtered. Derived from the EMA Clinical Trials Information System. Retrieved 19 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.