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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
Member state
Spain 1023 France 890 Germany 861 Italy 742 Poland 581 Netherlands 524 Belgium 426 Czechia 327
All 28 states
327 of 2500 shown studies
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Phase
Study
Lead sponsor
Area
Member states
Decision
Phase III
Multicenter, Randomized, Double-blind, Placebo-controlled Trial of Clemizole HCl as Adjunctive Therapy in Patients with Lennox-Gastaut Syndrome
2025-522552-20-00Lennox-Gastaut Syndrome
Epygenix Therapeutics Inc.
Nervous System Diseases
Italy, Spain, Hungary, Romania, Czechia, Poland
28/04/2026
Phase III
Phase 2/3, Double-blind, Placebo-controlled Study to Evaluate the Safety and Efficacy of EXV-802 and EXV-801 in the Treatment of Agitation in Participants with Alzheimer’s Disease Dementia
2024-517388-22-00Agitation in Alzheimer's Disease Dementia
Exciva GmbH
Nervous System Diseases
Italy, Slovakia, Spain, Poland, Czechia, Germany
28/04/2026
Phase III
A Phase 3, Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Assess Efficacy and Safety of REGN7508, a Monoclonal Antibody Against FXI, for Primary Prophylaxis of Cancer-Associated Thrombosis for Participants with Solid Tumors Undergoing Cancer Treatment (ROXI-CAT-I)
2024-519298-21-00Cancer-Associated Thrombosis (CAT).
Regeneron Pharmaceuticals Inc.
Hemic and Lymphatic Diseases
Belgium, Czechia, France, Romania, Germany, Poland, Bulgaria, Spain
27/04/2026
Phase II
A Phase IIb, multicentre, randomised, doubleblind, placebocontrolled, three-arm parallel-group study to evaluate the efficacy, safety, and tolerability at Week 24 of 2 doses of CHF10067 (zampilimab), with an optional 24-week doubleblind, placebocontrolled extension phase in participants with idiopathic pulmonary fibrosis
2024-514246-37-00Idiopathic pulmonary fibrosis (IPF)
Chiesi Farmaceutici S.p.A.
Respiratory Tract Diseases
Belgium, Germany, Italy, Czechia, Bulgaria, Netherlands, France, Portugal, Poland, Spain, Romania
27/04/2026
Phase II
The MAVRiC Study: A Phase II Study of Disease Risk Mutation-guided Finite Duration Acalabrutinib plus Venetoclax for Relapse in CLL/SLL after First-line Finite covalent BTKi plus BCL2i combination, with or without Obinutuzumab
2024-518858-17-00Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CL…
AstraZeneca AB
Neoplasms
Italy, Austria, Spain, Ireland, Czechia, Poland
27/04/2026
Phase I/II
A multi-center, open-label, phase I/II study to evaluate the safety and efficacy of asciminib with chemotherapy followed by blinatumomab in pediatric, adolescent, and young adult patients with relapsed or refractory BCR::ABL1-positive (Ph+) or ABL-class Ph-like Acute Lymphoblastic Leukemia (ALL)
2025-522019-40-00relapsed or refractory BCR::ABL1-positive (Philadelphia pos…
Novartis Pharma AG
Neoplasms
Italy, Spain, Germany, Netherlands, France, Denmark, Czechia
27/04/2026
Phase I
Multiple-dose, open-label, laboratory blinded, randomized, 2-period, 2-sequence, crossover, steady-state bioequivalence study comparing the Test Product Naproxen sodium 660 mg modified release tablets with the Reference Product Actromadol 660 mg Modified-Release tablets in healthy adult male and female subjects under fed conditions.
2026-526102-33-00No medical condition
Laboratorios Cinfa S.A.
Not possible to specify
Czechia
24/04/2026
Phase III
J3R-MC-YDAL - A Phase 3 Randomized, Double-Blind, Placebo-Controlled Study to Investigate the Efficacy and Safety of Once Weekly Eloralintide in Adult Participants With Persistent Obesity or Overweight Treated With a Weekly Incretin, With and Without Type 2 Diabetes
2025-523659-73-00Obesity, Overweight
Eli Lilly & Co.
Nutritional and Metabolic Diseases
Spain, Romania, Belgium, Czechia
21/04/2026
Phase I
An Open-Label, Phase 1b, Multiple Ascending Dose Study of OM336 in Participants with Active Sjogren’s Disease or Idiopathic Inflammatory Myopathy
2025-524100-29-00Seropositive autoimmune disease: Sjogren’s disease or idiop…
Ouro Medicines Limited
Immune System Diseases
Czechia
21/04/2026
Phase III
A Phase 3, Open-Label, Randomized Study of Sonrotoclax (BGB-11417) plus Zanubrutinib (BGB-3111) Compared with Venetoclax plus Acalabrutinib in Patients with Previously Untreated Chronic Lymphocytic Leukemia
2025-524366-21-00treatment-naive Chronic Lymphocytic Leukemia
BeOne Medicines I GmbH
Neoplasms
Netherlands, Poland, Italy, Germany, Spain, Romania, Czechia, France, Sweden
20/04/2026
Phase II
A Phase 2, Multicenter, Randomized, Placebo-controlled, Double-blind Study of the Efficacy and Safety of Vamifeport in Adult Subjects with HFE-related Hereditary Hemochromatosis (FERROCLEAR Study)
2025-523793-16-00Homeostatic iron regulator gene-related hereditary hemochro…
CSL Behring LLC
Congenital, Hereditary, and Neonatal Diseases and Abnormalities
Austria, Poland, Spain, Germany, France, Ireland, Romania, Belgium, Italy, Czechia, Netherlands
20/04/2026
Phase I
A Phase 1b Study of the Safety and Pharmacokinetics of Pivekimab Sunirine in Pediatric Subjects with Relapsed or Refractory Acute Myeloid Leukemia (AML).
2024-520125-36-00Relapsed or Refractory Acute Myeloid Leukemia; Acute Myelo…
AbbVie Deutschland GmbH & Co. KG
Neoplasms
Spain, Hungary, Czechia, France, Italy, Belgium
20/04/2026
Phase III
J4G-MC-JZVD - FORAGER-2: A Phase 3, Randomized, Double-blind, Placebo-controlled Study Evaluating the Efficacy and Safety of Vepugratinib Combined with Enfortumab Vedotin and Pembrolizumab in Adults with Untreated Locally Advanced or Metastatic Urothelial Carcinoma with an FGFR3 Genetic Alteration.
2025-522855-25-00Carcinoma, Transitional Cell, Urinary Bladder Neoplasms, Ne…
Eli Lilly & Co.
Neoplasms
Italy, Poland, Denmark, Czechia, France, Hungary, Germany, Netherlands, Spain
20/04/2026
Phase III
Efficacy and safety of NNC0487-0111 compared to placebo on morbidity and mortality in people with heart failure with preserved or mildly reduced ejection fraction and obesity (HF-POLARIS).
2025-523717-29-00HFpEF or HFmrEF and obesity
Novo Nordisk A/S
Cardiovascular Diseases
Denmark, Greece, Bulgaria, Italy, Netherlands, Spain, Poland, Czechia, Germany, France
17/04/2026
Phase I/II
An open-label, multi-center, phase I/II study of GVV858 as a single agent and in combination with endocrine therapy in patients with advanced hormone receptor positive, HER2-negative breast cancer and other advanced solid tumors
2025-521911-38-00Advanced HR+/HER- breast cancer
Novartis Pharma AG
Neoplasms
Italy, Germany, France, Czechia, Denmark, Spain
16/04/2026
Phase III
EVALUATING THE EFFICACY AND SAFETY OF MET097, A FULLY- BIASED ULTRA LONG-ACTING GLP-1 RA IN PEOPLE WITH OVERWEIGHT OR OBESITY AND TYPE 2 DIABETES: A PHASE 3, MULTI-CENTER RANDOMIZED PLACEBO-CONTROLLED TRIAL (VESPER-5)
2025-523975-48-00Obesity
Metsera Inc.
Nutritional and Metabolic Diseases
Czechia, Bulgaria, Slovakia, Spain, Hungary, Germany, Romania, Poland
16/04/2026
Phase III
A Prospective, Multi-National, Randomized, Double-Blind, Crossover Study to Evaluate the Efficacy and Safety of Gadopiclenol-enhanced MRA Compared to Gadoterate Meglumine-enhanced MRA in the Assessment of Steno-occlusive Disease in Adult Patients with Suspected Vascular Disease
2024-518835-13-00Suspected Vascular Disease of supra-aortic (carotid/vertebr…
Guerbet, Bracco Imaging S.p.A.
Cardiovascular Diseases
Italy, France, Czechia, Hungary, Spain, Germany, Poland
15/04/2026
Phase II
C6231002 - A PHASE 2, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED, DOSE RANGING STUDY TO EVALUATE THE EFFICACY AND SAFETY OF PF 08049820 IN ADULT PARTICIPANTS WITH MODERATE TO SEVERE ATOPIC DERMATITIS
2025-522965-31-00Atopic Dermatitis
Pfizer Inc.
Skin and Connective Tissue Diseases
Poland, Czechia, Germany, Bulgaria, France
14/04/2026
Phase III
A Double-blind, Randomized Clinical Trial Evaluating the Efficacy and Safety of Vormatrigine in Adults with Focal Seizures
2025-524038-24-00Focal Epilepsy
Praxis Precision Medicines Inc.
Nervous System Diseases
Poland, Germany, Czechia, Italy, Spain
10/04/2026
Phase III
Multicenter, open-label study to evaluate the safety, tolerability, pharmacokinetics, and efficacy of filgotinib in children and adolescents from 8 years to less than 18 years of age with polyarticular-course juvenile idiopathic arthritis
2024-511593-70-00Polyarticular-course juvenile idiopathic arthritis
Alfasigma S.p.A.
Musculoskeletal Diseases
Spain, Bulgaria, France, Belgium, Germany, Greece, Italy, Poland, Hungary, Czechia
07/04/2026
Phase III
EVALUATING THE EFFICACY AND SAFETY OF MET097, A FULLY- BIASED ULTRA LONG-ACTING GLP-1RA IN PEOPLE WITH OVERWEIGHT OR OBESITY: A PHASE 3, MULTI-CENTER RANDOMIZED, CONTROLLED TRIAL (VESPER-4)
2025-523974-18-00Obesity
Metsera Inc.
Nutritional and Metabolic Diseases
Germany, Hungary, Slovakia, Poland, Spain, Czechia, Romania, Bulgaria
02/04/2026
Phase II
A Phase 2, Dose Ranging, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy and Safety of BFB759 in Patients with Moderate to Severe Hidradenitis Suppurativa (COMPASS 2 - HS)
2025-522440-41-00Hidradenitis Suppurativa
Bluefin Biomedicine Inc.
Skin and Connective Tissue Diseases
Spain, Germany, Czechia, Poland, Bulgaria
31/03/2026
Phase III
A Placebo-Controlled, Double-Blind, Randomized, Phase 3 Study to Evaluate the Effect of Obicetrapib 10 mg and Ezetimibe 10 mg Fixed-Dose Combination or Obicetrapib 10 mg Daily on Top of Guideline-Recommended Lipid-Lowering Therapy in Participants With Type 2 Diabetes and/or Metabolic Syndrome (RUBENS trial)
2025-521936-12-00Adults with Type 2 Diabetes and/or Metabolic Syndrome on g…
NewAmsterdam Pharma B.V.
Cardiovascular Diseases
Czechia, Slovakia, Netherlands
31/03/2026
Phase IV
Identification of mitochondrial biomarkers reflecting omaveloxolone treatment (in FA patients)
2025-523881-26-00Friedreich's ataxia
Fakultni Nemocnice V Motole
Nervous System Diseases
Czechia, Poland
30/03/2026
Phase III
A Phase 3, Multicenter, Prospective, Randomized, Double-Masked, Parallel-Group Study of EYP-1901, a Tyrosine Kinase Inhibitor (TKI), Compared to Aflibercept (2 mg) in Participants with Diabetic Macular Edema (DME) (EYP-1901-304)
2025-523938-10-00Diabetic Macular Edema (DME)
Eyepoint Inc.
Eye Diseases
Hungary, Czechia, Germany
30/03/2026
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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.