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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 Phase 3, Randomized, Double-Blind, Active-Control Study of Pelabresib (DAK539) and Ruxolitinib vs. Placebo and Ruxolitinib in Adult Patients with Myelofibrosis who are JAK inhibitor naive
2025-523555-66-00Myelofibrosis
Novartis Pharma AG
Neoplasms
Belgium, Germany, Austria, Poland, Spain, Italy, Netherlands, Czechia, France
29/05/2026
Phase III
A Phase 3b, Multicenter, Randomized, Open-Label, Active-Controlled Study to Compare the Efficacy and Safety of Guselkumab versus Risankizumab in the Treatment of Participants with Moderately to Severely Active Crohn’s Disease
2025-521590-13-00Moderately to Severely Active Crohn’s Disease
Janssen Cilag International
Immune System Diseases
Slovakia, Germany, Denmark, France, Spain, Italy, Netherlands, Belgium, Poland, Sweden, Austria, Czechia, Hungary
27/05/2026
Phase III
An open-label, multi-center protocol for patients who have completed a previous Novartis sponsored remibrutinib study and are judged by the investigator to benefit from continued treatment with remibrutinib
2025-524078-40-00Chronic Spontaneous Urticaria
Novartis Pharma AG
Skin and Connective Tissue Diseases
Germany, Spain, France, Poland, Bulgaria, Czechia
20/05/2026
Phase III
A double-blind, double-dummy, parallel group, multicenter Phase 3 extension study evaluating the long-term safety and efficacy of 2 doses of remibrutinib in adult participants with moderate to severe hidradenitis suppurativa
2025-523259-72-00Hidradenitis Suppurativa (HS)
Novartis Pharma AG
Immune System Diseases
Portugal, Greece, Germany, Hungary, France, Spain, Bulgaria, Slovakia, Poland, Czechia, Belgium, Italy
20/05/2026
Phase III
A Phase 3 prospective randomised clinical trial of VMX-C001 vs usual pharmacological care in patients receiving a FXa direct oral anticoagulant (FXa DOAC) who require urgent surgery or other invasive procedure that is associated with a high risk of bleeding, with or without planned administration of heparin (EQUILIBRIX-S)
2025-521632-12-00Patients on Factor Xa inhibitor treatment needing an urgent…
VarmX B.V.
Hemic and Lymphatic Diseases
Belgium, Germany, Italy, France, Czechia, Bulgaria, Hungary, Spain, Netherlands, Poland, Austria, Estonia, Romania, Portugal, Lithuania
19/05/2026
Phase III
A Phase 3, Randomized, Double-blind, Efficacy and Safety Study Comparing Orelabrutinib to Placebo in Patients With Primary Progressive Multiple Sclerosis
2025-524316-11-00Primary Progressive Multiple Sclerosis (PPMS)
Zenas Biopharma (USA) LLC
Nervous System Diseases
Italy, Finland, Bulgaria, Greece, Belgium, Estonia, Portugal, Spain, Germany, France, Czechia, Slovakia, Romania, Croatia, Poland, Austria, Netherlands, Denmark, Sweden, Hungary
18/05/2026
Phase III
ROSETTA Lung-202: A Randomized, Double-Blind, Phase 3 Study of Pumitamig Monotherapy Compared to Pembrolizumab as First-line Treatment in Participants with Locally Advanced or Metastatic Non-Small Cell Lung Cancer with PD-L1 ≥ 50%
2025-523586-18-00Non-Small Cell Lung Cancer
Bristol-Myers Squibb Services Unlimited Company
Neoplasms
Portugal, Norway, Sweden, Bulgaria, France, Belgium, Austria, Germany, Finland, Poland, Romania, Netherlands, Spain, Italy, Hungary, Czechia
15/05/2026
Phase III
A Phase 3, Multi-regional, Open-label, Randomized Study of Tirabrutinib vs Rituximab and Temozolomide in Participants with Relapsed/Refractory Primary Central Nervous System Lymphoma
2025-523389-26-00Relapsed/refractory primary central nervous system lymphoma
Deciphera Pharmaceuticals Inc.
Nervous System Diseases
Czechia, Germany, Italy, Belgium, Spain, Poland, Austria, France, Hungary
14/05/2026
Phase III
A Phase III, multi-center, open-label, randomised, controlled trial of intravenous obrixtamig in combination with carboplatin and etoposide vs. carboplatin and etoposide as first-line therapy in DLL3-positive patients with unresectable locally advanced or metastatic extrapulmonary neuroendocrine carcinomas.
2025-523869-22-00advanced or metastatic extrapulmonary neuroendocrine carcin…
Boehringer Ingelheim International GmbH, Boehringer Ingelheim Espana S.A.
Neoplasms
Portugal, Spain, Poland, Sweden, Italy, Czechia, France, Netherlands, Finland, Denmark, Austria, Germany, Belgium, Norway
13/05/2026
Phase III
A Phase III, Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study to Evaluate the Efficacy and Safety of Once-Weekly RO7795068 Administered to Participants With Obesity or Overweight and Type 2 Diabetes
2025-523106-32-00Obesity or Overweight and Type 2 Diabetes
F. Hoffmann-La Roche AG
Nutritional and Metabolic Diseases
Germany, Romania, Czechia, Poland, Hungary, France, Spain, Italy
13/05/2026
Phase III
A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy and Safety of GB-0895 Adjunctive Therapy in Adults and Adolescents with Severe Uncontrolled Asthma
2025-521950-41-00severe uncontrolled asthma
Generate Biomedicines Inc.
Respiratory Tract Diseases
Latvia, Hungary, Bulgaria, Romania, Portugal, Netherlands, Croatia, Germany, Greece, Czechia
12/05/2026
Phase III
DAREON®-Lung-1: A Phase III multi-center, open-label, randomised trial of intravenous obrixtamig in combination with atezolizumab, carboplatin, and etoposide vs. atezolizumab, carboplatin, and etoposide as first-line treatment in patients with extensive-stage small cell lung cancer.
2025-520565-51-00small cell lung cancer
Boehringer Ingelheim International GmbH, Boehringer Ingelheim Espana S.A.
Neoplasms
Czechia, Sweden, Poland, Netherlands, Greece, Latvia, Finland, Norway, Belgium, Austria, Portugal, Romania, Italy, Estonia, France, Ireland, Germany, Spain, Bulgaria, Hungary
12/05/2026
Phase III
A Phase 3, Multicenter, Long-Term Extension Study to Evaluate the Long-Term Safety, Tolerability, and Efficacy of Zasocitinib (TAK-279) in Subjects With Active Psoriatic Arthritis Who are Either Biologic DMARD-Naïve or Biologic DMARD-Experienced, Including Those With Inadequate Response to Biologic DMARDs
2025-522586-30-00Psoriatic Arthritis
Takeda Development Center Americas Inc.
Musculoskeletal Diseases
Germany, Belgium, Spain, Czechia, Croatia, Portugal, Poland, Latvia, Bulgaria, France, Estonia, Hungary, Italy
12/05/2026
Phase III
A Double-Blind, Randomized, Comparative Study of Obicetrapib and Bempedoic Acid on top of Maximally Tolerated Lipid-Lowering Therapy in Patients With Dyslipidemia at High to Very High Cardiovascular Risk (MEDICI Study)
2025-524265-24-00Dyslipidemia at High to Very High Cardiovascular Risk
A. Menarini International Licensing S.A.
Hemic and Lymphatic Diseases
Spain, Poland, Netherlands, Italy, Slovakia, Czechia, Germany
11/05/2026
Phase III
A Phase 3, Randomized, Double-Blind, Placebo-Controlled, Multicenter Study to Assess the Efficacy and Safety of Panzyga for Prevention of Major Infections in Patients with Hypogammaglobulinemia and Autoimmune or Rheumatic Conditions Receiving Treatment with B-cell Depletion Therapy ("PROTECT")
2025-522854-37-00Prevention of a Major infection in patients with Hypogammag…
Octapharma Pharmazeutika Produktionsgesellschaft mbH
Immune System Diseases
Czechia, Lithuania, Greece, Poland, Germany, Latvia, Bulgaria, Italy
11/05/2026
Phase III
J5E-MC-JZXB - FRAmework-01: A Two-Part Phase 3 Study of Sofetabart Mipitecan (LY4170156) versus Chemotherapy or Mirvetuximab Soravtansine in Platinum-Resistant Ovarian Cancer, and Sofetabart Mipitecan plus Bevacizumab versus Platinum-Based Chemotherapy plus Bevacizumab in Platinum-Sensitive Ovarian Cancer
2025-522255-25-00Fallopian Tube Neoplasms, Neoplasm Metastasis, Ovarian Neop…
Eli Lilly & Co.
Neoplasms
Netherlands, Hungary, France, Austria, Poland, Italy, Denmark, Romania, Greece, Norway, Czechia, Belgium, Spain, Ireland, Germany
11/05/2026
Phase III
A double-blinded extension study to evaluate the long-term safety and tolerability of itepekimab in adult participants with inadequately controlled chronic rhinosinusitis with nasal polyps (CRSwNP) who participated in either EFC18418 or EFC18419 clinical studies
2025-522983-33-00Chronic rhinosinusitis with nasal polyps
Sanofi-Aventis Recherche & Developpement
Respiratory Tract Diseases
Germany, Netherlands, Portugal, Denmark, Sweden, Finland, France, Spain, Austria, Italy, Hungary, Romania, Belgium, Czechia, Poland
11/05/2026
Phase III
A Phase III, Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study to Evaluate the Efficacy and Safety of Once-Weekly RO7795068 Administered to Participants With Obesity or Overweight Without Type 2 Diabetes
2025-523104-71-00Obesity or Overweight Without Type 2 Diabetes
F. Hoffmann-La Roche AG
Nutritional and Metabolic Diseases
Poland, Hungary, France, Belgium, Italy, Netherlands, Czechia, Germany, Spain
07/05/2026
Phase III
Phase 3, Multicenter, Randomized, Double-Masked, Vehicle-Controlled, Parallel Group Study to Evaluate the Safety and Efficacy of Recombinant Human Nerve Growth Factor Eye Drop Solution in Participants With Persistent Corneal Epithelial Defect (PCED)
2025-523443-35-00Persistent Corneal Epithelial Defect (PCED)
Dompe' Farmaceutici S.p.A.
Eye Diseases
Czechia, Italy, Netherlands, Poland, Germany, Spain, Hungary, France
05/05/2026
Phase III
A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of KAI-9531 Administered Once Weekly in Participants Living with Obesity or Overweight with Weight-Related Comorbidities Who Do Not Have Diabetes
2025-523486-17-00Obesity
Kailera Therapeutics Inc.
Nutritional and Metabolic Diseases
Bulgaria, Hungary, Spain, Germany, Czechia, Poland
05/05/2026
Phase III
A Phase 3, Randomized, Double-blind, Placebo-controlled, Multicenter Study of Nipocalimab in Adults with Moderate to Severe Systemic Lupus Erythematosus
2025-523552-31-00Systemic Lupus Erythematosus
Janssen Cilag International
Immune System Diseases
Denmark, Hungary, Portugal, Italy, Norway, Greece, Slovakia, Czechia, France, Poland, Bulgaria, Germany, Spain, Romania, Finland
05/05/2026
Phase III
A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of KAI-9531 Administered Once Weekly in Participants Living with Obesity or Overweight and Diabetes
2025-523510-87-00Obesity
Kailera Therapeutics Inc.
Nutritional and Metabolic Diseases
Hungary, Poland, Bulgaria, Germany, Czechia, Spain
04/05/2026
Phase III
A multicenter open-label extension study to evaluate the long-term safety and tolerability of zigakibart in adults with primary IgA nephropathy
2024-519638-22-00IgA nephropathy
Novartis Pharma AG
Immune System Diseases
Belgium, France, Czechia, Croatia, Greece, Germany, Italy, Spain
04/05/2026
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
An Adaptive, 2-Part, Randomized, Double-Blind, Placebo-Controlled Trial to Evaluate the Efficacy and Safety of IKT-001 in Pulmonary Arterial Hypertension.
2024-520218-23-00Pulmonary Arterial Hypertension
Inhibikase Therapeutics Inc.
Cardiovascular Diseases
Spain, Poland, Italy, Belgium, Latvia, Denmark, Czechia, Germany, France, Netherlands, Portugal, Ireland, Austria, Greece, Lithuania
28/04/2026
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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.