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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 โ€” 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 โ€” 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
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 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 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 Diseโ€ฆ
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 Crohnโ€™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 Crohnโ€™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 I
A bioequivalence study comparing Empagliflozin 25 mg film-coated tablets, VIANEX S.A., Greece versus Jardiance 25 mg film-coated tablets, Boehringer Ingelheim International GmbH, Germany, in healthy male and female volunteers under fasting conditions.
2025-524910-28-00none - healthy volunteers
Vianex S.A.
Cardiovascular Diseases
Czechia
18/02/2026
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 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 I
A Phase 1 first-in-human study to evaluate SAR447754 in healthy adult participants and in adult participants with moderate-to-severe atopic dermatitis.
2025-523826-41-00Dermatitis atopic
Sanofi-Aventis Recherche & Developpement
Immune System Diseases
Belgium, Czechia, France, Hungary, Poland, Spain, Bulgaria
16/02/2026
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 I
Single dose, open-label, laboratory blinded, randomized, 2-treatment, 2-period, 2-sequence, crossover, pivotal study to assess the relative bioavailability of Test Product Naproxen sodium 660 mg modified release tablets to Reference Product Actromadol 660 mg Modified-Release tablets in healthy adult male and female subjects under fed conditions.
2025-521732-11-00No medical condition
Laboratorios Cinfa S.A.
Not possible to specify
Czechia
12/02/2026
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 adultsโ€ฆ
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 andโ€ฏSafety ofโ€ฏEmpasiprubartโ€ฏIV 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 โ€“ 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 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 Reโ€ฆ
Biogen Idec Research Limited
Immune System Diseases
Germany, Austria, Spain, Czechia, France
09/02/2026
Phase IV
Caffeine Administration for Preterms: Pharmacokinetics, Utilization and Correlation Inhibiting Nociception Outcome
2025-523475-33-00Primary apnea in preterms newborns
Masarykova Univerzita
Congenital, Hereditary, and Neonatal Diseases and Abnormalities
Czechia
09/02/2026
Phase III
Prospective, multi-center, randomized, double-blinded, placebo-controlled phase IIb clinical trial to evaluate safety and efficacy of DUOFAGยฎ in bacterial infection treatment in patients with complicated wounds
2025-522752-45-00Complicated skin wounds (wounds healing per secundam via grโ€ฆ
MB PHARMA s.r.o.
Bacterial Infections and Mycoses
Czechia
09/02/2026
Phase I
The pilot bioavailability study comparing the absorption of carbetocin (which is used as prevention of heavy bleeding after childbirth) in PABAL 100 ฮผg/mL Solution for Injection when administered sublingually in the dose of 500 ฮผg and intramuscularly in the dose of 100 ฮผg.
2025-524768-39-00Not applicable (submitted trial is a bioavalability study iโ€ฆ
Oxytone Bioscience B.V.
Female Urogenital Diseases and Pregnancy Complications
Czechia
09/02/2026
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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.