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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
76 of 2500 shown studies
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Phase
Study
Lead sponsor
Area
Member states
Decision
Phase II
A randomized, double masked, placebo-controlled, multicenter, dose-range finding study to assess the efficacy and safety of FWY003 in patients with geographic atrophy secondary to age-related macular degeneration
2025-523704-77-00Geographic atrophy secondary to age-related macular degener…
Novartis Pharma AG
Eye Diseases
Bulgaria, Romania, Germany, Czechia, Spain, Poland, Italy, Hungary, France
04/05/2026
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 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 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 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 II
A Phase 2b, Multicenter, Randomized, Double-blind, Placebo-controlled, Dose-ranging Study to Evaluate the Efficacy and Safety of JNJ-88545223 for the Treatment of Participants with Active Psoriatic Arthritis
2025-523141-10-00Active Psoriatic Arthritis
Janssen Cilag International
Immune System Diseases
Spain, Poland, Czechia, Germany, Hungary
20/03/2026
Phase II
Low-dose versus standard-dose anticoagulation with argatroban or enoxaparin during extracorporeal membrane oxygenation controlled by anti-IIa or anti-Xa assay
2025-524553-13-00lung and/or heart failure
Fakultni Nemocnice Ostrava
Cardiovascular Diseases
Czechia
19/03/2026
Phase II
A Phase 2, Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamic Effects of REGN13335, an Anti-PDGF-B Monoclonal Antibody, in Adults with Pulmonary Arterial Hypertension
2024-514754-79-00Pulmonary Arterial Hypertension (PAH)
Regeneron Pharmaceuticals Inc.
Cardiovascular Diseases
Latvia, Belgium, France, Poland, Germany, Spain, Czechia
18/03/2026
Phase II
Effect of faecal microbiota transplant on the expression of autism spectrum disorder core symptoms in children – open-label phase II clinical trial (FMT-PAS)
2025-524673-16-00Autism spectrum disorder
Masarykova Univerzita
Nervous System Diseases
Czechia
17/03/2026
Phase II
An open-label, uncontrolled, multicenter study to assess the effect of zigakibart treatment on histologic, circulating, and excreted markers of kidney disease and dysfunction in adult patients with IgA nephropathy
2024-519699-24-00IgA nephropathy
Novartis Pharma AG
Immune System Diseases
Czechia, Germany, Spain, Italy, Poland
17/03/2026
Phase II
A Phase II, multinational, multicentre, double-blind, randomised, active-controlled, 3-way cross-over study to evaluate the therapeutic equivalence of CHF5993 pMDI 100/6/12.5 µg HFA-152a versus CHF5993 pMDI 100/6/12.5 µg HFA-134a in subjects with mild to moderate asthma. [TRECONY]
2025-521456-35-00Mild to moderate asthma
Chiesi Farmaceutici S.p.A.
Respiratory Tract Diseases
Slovakia, Czechia, Romania, Latvia, Germany, Hungary, Bulgaria, Poland
11/03/2026
Phase II
A MULTICENTER, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED, PARALLEL-GROUP, DOSE-RANGING STUDY TO EVALUATE THE EFFICACY, SAFETY, PHARMACOKINETICS, AND PHARMACODYNAMICS OF GALVOKIMIG IN ADULT STUDY PARTICIPANTS WITH MODERATE TO SEVERE ATOPIC DERMATITIS
2025-522578-35-00Atopic Dermatitis
UCB Biopharma
Skin and Connective Tissue Diseases
Bulgaria, Czechia, Germany, Poland, Hungary
09/03/2026
Phase II
A multinational, multicenter extension study to investigate the long-term safety, tolerability and efficacy of balinatunfib in adults with Crohn’s disease or ulcerative colitis
2025-522511-42-00Crohn's disease, Colitis Ulcerative
Sanofi-Aventis Recherche & Developpement
Digestive System Diseases
Belgium, Germany, Czechia, Netherlands, Spain, Austria, Italy, Greece, Croatia, Bulgaria, Poland, France, Romania, Hungary
06/03/2026
Phase II
A Phase 2 Double-blind, Randomised, Placebo-controlled Study to Evaluate the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of DT-101 in Adults with Major Depressive Disorder
2025-522784-15-00Major Depressive Disorder
Draig Therapeutics Limited
Mental Disorders
Czechia, Bulgaria, Poland
24/02/2026
Phase II
Revumenib Treatment in Combination with FLA Chemotherapy in Paediatric Refractory/Relapsed KMT2A-r, NUP98-r or NPM1-mut Acute Myeloid Leukemia (AML)
2025-521390-14-00Acute Myeloid Leukemia
Pediatric Research International GmbH
Neoplasms
Denmark, Italy, Czechia, Sweden, Poland, Netherlands, Germany, Austria
16/02/2026
Phase II
A Double-Blind, Placebo-Controlled, Multicenter, Randomized Phase 2 Trial Evaluating the Efficacy and Safety of Felzartamab in Recipients of Kidney Transplants with Late Isolated Microvascular Inflammation (MVI)- (299AR201-TRANSPIRE)
2025-521742-15-00Treatment of Late Isolated Microvascular Inflammation in Re…
Biogen Idec Research Limited
Immune System Diseases
Germany, Austria, Spain, Czechia, France
09/02/2026
Phase II
A Phase 2, Open-Label, Randomized, Master Protocol Dose Optimization Study to Evaluate Safety and Efficacy of Multiple Treatment Combinations with Mirvetuximab Soravtansine in Subjects with Ovarian Cancer (FLORENZA)
2025-521606-18-00Ovarian Cancer
AbbVie Deutschland GmbH & Co. KG
Neoplasms
Spain, Czechia, France, Belgium, Denmark
19/01/2026
Phase II
A multicenter, randomized, participant- and investigator -blinded, placebo-controlled, phase 2a study to assess the efficacy, safety and tolerability of GIA632 in adult participants with moderate to severe atopic dermatitis
2025-521503-43-00Atopic dermatitis
Novartis Pharma AG
Skin and Connective Tissue Diseases
France, Germany, Poland, Czechia, Bulgaria
14/01/2026
Phase II
A Phase IIa, Randomised, Double-blind, Placebo-controlled, Multicentre Study to Assess the Efficacy, Safety, and Tolerability of AZD4144 in Participants with Sepsis-associated Acute Kidney Injury (SERENIA)
2025-522232-13-00Sepsis-associated acute kidney injury (AKI)
AstraZeneca AB
Not possible to specify
Germany, France, Spain, Italy, Belgium, Czechia, Greece, Denmark, Hungary
14/01/2026
Phase II
A Phase 2b, Randomized, Double-blind, Placebo-controlled, Parallel-group, Multicenter, Dose-ranging Study With an Open-label Period Investigating the Efficacy and Safety Profile of KT-621 Administered Orally to Participants with Moderate to Severe Atopic Dermatitis
2025-522370-36-00Moderate to Severe Atopic Dermatitis
Kymera Therapeutics Inc.
Skin and Connective Tissue Diseases
Czechia, Germany, Poland
13/01/2026
Phase II
A randomized, double-blind, placebo-controlled, dose-ranging Phase 2 study of brivekimig followed by a maintenance period in participants with moderate to severe hidradenitis suppurativa
2025-522333-61-00Hidradenitis suppurativa
Sanofi-Aventis Recherche & Developpement
Immune System Diseases
Poland, Hungary, Netherlands, Germany, Czechia, Spain, France, Italy, Greece
22/12/2025
Phase II
A Phase 2a, Randomized, Multicenter, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of Multiple Subcutaneous Doses of TRIV-509 in Adults with Moderate to Severe Atopic Dermatitis
2025-522113-35-00Atopic dermatitis
Triveni Bio Inc.
Skin and Connective Tissue Diseases
Poland, Bulgaria, Czechia, Hungary
09/12/2025
Phase II
Exploratory Study of Ianalumab in Adults with Primary Immune Thrombocytopenia (ITP) and Warm-antibody Autoimmune Hemolytic Anemia (wAIHA) who Have Previously Benefited from Ianalumab (VAY RE-HIT)
2024-518231-11-00Immune thrombocytopenia (ITP) Warm autoimmune hemolytic an…
Novartis Pharma AG
Hemic and Lymphatic Diseases
Germany, Czechia, Belgium, Spain, Italy, Bulgaria, Romania, France, Hungary
08/12/2025
Phase II
(22419) A randomized, double-blind, placebo-controlled, parallel group Phase 2a study with an extension phase to evaluate the efficacy and safety of BAY 3401016 in participants aged 18 to 45 with Alport syndrome
2024-516471-33-00Chronic kidney disease, Alport Syndrome
Bayer AG
Congenital, Hereditary, and Neonatal Diseases and Abnormalities
Spain, Italy, Poland, Czechia, Germany, Portugal, France
05/12/2025
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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.