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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
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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 Multicenter, Randomized, Double-Blind, Double-Dummy, Phase III Study to Evaluate the Efficacy and Safety of Letrozole SIE Compared to Femara® (both in Combination with the CDK4/6 Inhibitor Ribociclib) in Postmenopausal Women with HR-Positive, HER2-Negative, Inoperable Locally Advanced or Metastatic Breast Cancer (SIE-3)
2025-524846-85-00​​HR-positive, HER2-negative, inoperable locally advanced o…
Laboratorios Farmaceuticos Rovi S.A.
Neoplasms
Romania, Spain, Bulgaria, Czechia, Latvia, Poland, Croatia, Slovakia
21/08/2026
Phase III
A Phase 3 Randomized, Double-blind, Placebo-controlled Global Study of Sapablursen in Polycythemia Vera
2025-524669-25-00Polycythemia Vera
Deciphera Pharmaceuticals Inc.
Hemic and Lymphatic Diseases
Austria, Czechia, Italy, Portugal, Germany, France, Hungary, Spain, Poland
21/08/2026
Phase III
A Randomized, Double-masked, Comparative Clinical Study Evaluating the Efficacy, Safety, and Immunogenicity of ABP 938 8 mg Versus EYLEA® HD (Aflibercept) Delivered via Intravitreal Injection in Participants with Neovascular Age-related Macular Degeneration
2025-523500-72-00Neovascular Age-related Macular Degeneration (nAMD)
Amgen Inc.
Eye Diseases
Slovakia, Latvia, Czechia, Poland, Spain, Hungary, Lithuania
17/08/2026
Phase II
A Phase 2, randomized, double-blind, placebo-controlled trial to evaluate the efficacy, safety, and tolerability of CRD-4730 in patients with heart failure with reduced ejection fraction (HFREF) (CALIBRATE-HF)
2025-525033-31-00heart failure
Cardurion Pharmaceuticals Inc.
Cardiovascular Diseases
Latvia, Slovakia, Lithuania, Hungary, Italy, Netherlands, Spain, Poland, Bulgaria, Czechia
14/08/2026
Phase I
Bioequivalence of Estradiol 10 mcg Vaginal Tablets in Healthy Women Participants.
2026-526477-42-00Not applicable (submitted trial is a bioavailability trial …
Laboratorios Leon Farma S.A.
Female Urogenital Diseases and Pregnancy Complications
Czechia
14/08/2026
Phase II
A Phase 2 Randomized Double-Blind, Placebo-Controlled, Parallel Group Study to Evaluate the Efficacy and Safety of Three Doses of Frevecitinib (KN-002) in Patients with Severe Asthma not Adequately Controlled with Medium to High Dose ICS/LABA Therapy (PANAIRAMA)
2023-509125-41-00Severe asthma
Kinaset Therapeutics Inc.
Respiratory Tract Diseases
Czechia, Bulgaria, Romania, Hungary, Germany, Poland, Greece
14/08/2026
Phase I
Bioavailability Comparison of Finerenone 20 mg Tablets (Test vs. Comparator Product).
2026-527382-30-00Comparative bioavailability study under fasting conditions.
ZAKLADY FARMACEUTYCZNE POLPHARMA S.A.
Cardiovascular Diseases
Czechia
12/08/2026
Phase I
Bioequivalence study 3 to compare pharmacokinetics of Parkinson´s disease drugs in healthy volunteers
2026-525450-11-00Parkinson's desease
Orion Corporation
Nervous System Diseases
Czechia
10/08/2026
Phase III
A Phase 3, Randomized, Double-Masked, Placebo-Controlled, Multicenter Study Evaluating the Efficacy and Safety of Efgartigimod PH20 SC PFS in Adult Participants With Graves’ Disease Inadequately Controlled With Antithyroid Drugs
2025-523333-26-00Graves' Disease (GD)
Argenx
Hormonal diseases
Italy, Czechia, Spain, Denmark, Belgium, Romania, Latvia, France, Germany, Greece, Sweden, Poland, Lithuania, Bulgaria
07/08/2026
Phase I
An open label, randomized, single-dose, two-treatment, two-sequence, two-period, cross-over pilot comparative bioavailability study comparing Empagliflozin and Metformin f.c. tabs (12.5+1000) mg, VIANEX S.A., Greece versus Synjardy 12.5 mg/1,000 mg film-coated tablets, Boehringer Ingelheim International GmbH, Germany, in healthy male and female volunteers under fasting conditions.
2026-526397-17-00treatment of diabetes
Vianex S.A.
Hormonal diseases
Czechia
05/08/2026
Phase III
A Randomized, Double-blind, Parallel-group Phase III Study to Evaluate the Efficacy, Safety, and Tolerability of Elecoglipron Compared with Placebo in Adults with Type 2 Diabetes Mellitus on Background Insulin (Eluminate-3)
2025-523935-20-00type 2 diabetes mellitus
AstraZeneca AB
Nutritional and Metabolic Diseases
Poland, Germany, Bulgaria, Czechia
04/08/2026
Phase III
A Randomized, Double-blind, Parallel-group Phase III Study to Evaluate the Efficacy, Safety, and Tolerability of Elecoglipron and Dapagliflozin in Combination, Compared with Elecoglipron Alone and Dapagliflozin Alone, in Adults with Type 2 Diabetes Mellitus (Eluminate-5)
2025-523941-81-00type 2 diabetes mellitus
AstraZeneca AB
Nutritional and Metabolic Diseases
Slovakia, Poland, Czechia, Germany, Hungary, Greece, Denmark
03/08/2026
Phase III
A double-blind, randomised, placebo-controlled trial evaluating the efficacy and safety of oral nerandomilast treatment in patients with systemic sclerosis (SSc)
2025-523884-39-00Systemic sclerosis
Boehringer Ingelheim International GmbH, Boehringer Ingelheim Espana S.A.
Skin and Connective Tissue Diseases
Denmark, Hungary, Sweden, Netherlands, Germany, Belgium, France, Greece, Norway, Finland, Czechia, Portugal, Bulgaria, Spain, Austria, Romania, Croatia, Poland, Estonia, Italy, Lithuania
03/08/2026
Phase III
A Phase 3, Randomized, Double-blind, and Active‑controlled Multicenter Study to Evaluate the Efficacy and Safety of JNJ‑78934804 in Participants With Moderately to Severely Active Crohn’s Disease
2026-525922-39-00Moderately to Severely Active Crohn’s Disease
Janssen Cilag International
Immune System Diseases
Norway, Romania, Austria, Italy, Slovakia, Germany, Hungary, Netherlands, Belgium, France, Portugal, Czechia, Poland, Spain, Greece
03/08/2026
Phase III
A Phase 3 Randomized, Double-blind, and Active-controlled, Multicenter Study to Evaluate the Efficacy and Safety of JNJ-78934804 in Participants with Moderately to Severely Active Ulcerative Colitis
2026-525923-26-00Moderately to Severely Active Ulcerative Colitis
Janssen Cilag International
Immune System Diseases
France, Bulgaria, Romania, Slovakia, Norway, Denmark, Greece, Italy, Austria, Poland, Netherlands, Czechia, Germany, Belgium, Spain, Hungary, Portugal
03/08/2026
Phase I
Bioequivalence of Tramadol retard 200 mg Prolonged-Release Tablets in Healthy Participants Under Fasting Conditions
2026-525836-41-00Not applicable (submitted trial is a bioavailability trial …
Laboratorios Cinfa S.A.
Nervous System Diseases
Czechia
30/07/2026
Phase III
J3L-MC-EZEJ: A Phase 3, Randomized, Double-Blind, Placebo-Controlled Trial of Lepodisiran to Investigate the Effect on Coronary Plaque in Adults With Elevated Lp(a) Who Have Established Atherosclerotic Cardiovascular Disease or Are at Risk for a First Cardiovascular Event
2025-524858-34-00Lipoprotein(a), Atherosclerosis, Cardiovascular Diseases
Eli Lilly & Co.
Cardiovascular Diseases
Hungary, Czechia, Spain, Netherlands
30/07/2026
Phase III
A Phase III, Randomized, Double-blind, Parallel-group, Placebo controlled, Multicenter Study to Evaluate the Effect of Elecoglipron in Reducing Cardiovascular Outcomes in Participants with HFpEF and HFmrEF (Elevate-HF)
2026-526304-79-00Heart failure with preserved ejection fraction (HFpEF) and …
AstraZeneca AB
Cardiovascular Diseases
Spain, Hungary, Germany, Poland, Italy, Bulgaria, Netherlands, Austria, Romania, Sweden, France, Greece, Slovakia, Czechia
29/07/2026
Phase III
A clinical study to compare efficacy and safety of two different doses of CagriSema and semaglutide in participants with obesity with or without type 2 diabetes
2025-522488-14-00Participants with obesity with or without type 2 diabetes
Novo Nordisk A/S
Nutritional and Metabolic Diseases
Greece, Portugal, France, Slovakia, Bulgaria, Netherlands, Romania, Italy, Austria, Poland, Hungary, Spain, Czechia, Belgium
27/07/2026
Phase III
A Phase III, Randomized, Double-blind, Parallel-group, Placebo-controlled Multicenter Study to Evaluate the Effect of Elecoglipron in Reducing Renal Outcomes and Mortality in Participants with Chronic Kidney Disease (Elevate-CKD)
2025-523994-41-00Chronic kidney disease (CKD) in adults, with specified rang…
AstraZeneca AB
Cardiovascular Diseases
Czechia, Italy, Hungary, Romania, Bulgaria, Sweden, Denmark, Poland, Spain, Norway, Finland, Greece, France, Germany
24/07/2026
Phase III
A Phase 3b, Open-Label Study of Crinecerfont to Evaluate Androgen Reduction and Related Outcomes in Adults With Classic Congenital Adrenal Hyperplasia
2025-524282-24-00Classic Congenital Adrenal Hyperplasia (CAH)
Neurocrine Biosciences Inc.
Hormonal diseases
Czechia, Germany, Sweden, Portugal, Romania, Bulgaria, Italy, Austria, Spain
23/07/2026
Phase III
Prospective, multicentre, open-label, single arm trial on contraceptive efficacy, safety and tolerability of LPRI-CF113 (Drospirenone 4 mg + 2.8 mg) during 13 cycles.
2026-525727-24-00No medical condition
Chemo Research S.L.
Not possible to specify
Sweden, Czechia, Spain, Hungary, Poland, Finland, Romania
23/07/2026
Phase III
A Phase III, Multicentre, Randomised, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Elafibranor in Adult Participants with Primary Sclerosing Cholangitis
2026-525242-29-00Primary Sclerosing Cholangitis
Ipsen Bioscience Inc.
Digestive System Diseases
Spain, Sweden, Germany, Romania, Finland, Portugal, Austria, Italy, Denmark, Czechia, France, Netherlands, Poland, Belgium, Norway
21/07/2026
Phase III
A randomized, placebo-controlled, double-blind Phase 3 study to evaluate the efficacy, safety and tolerability of votoplam in participants with Huntington’s Disease
2025-522227-99-00Huntington’s Disease
Novartis Pharma AG
Nervous System Diseases
Norway, Poland, Spain, Sweden, Bulgaria, Netherlands, Finland, Portugal, Austria, Italy, Greece, Ireland, Czechia, France, Romania, Belgium, Germany, Denmark, Slovakia, Hungary
20/07/2026
Phase II
A Phase 2 Randomized, Double-Blind, Placebo-Controlled Study to Confirm Efficacy and Safety of MH002 and to Assess the Effect of Dose in Patients With Mild-to-Moderate Ulcerative Colitis Insufficiently Controlled With 5-Aminosalicylic Acid
2025-524682-24-00Ulcerative Colitis
Microbial Resource Management Health
Digestive System Diseases
Czechia, Poland, Italy
16/07/2026
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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.