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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 21 Sep 2026, 03:16 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 587 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 587 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
C5851005 - PADLINK-005: A RANDOMIZED, PHASE 3, OPEN-LABEL STUDY TO EVALUATE PF-08046054/SGN-PDL1V VERSUS DOCETAXEL IN ADULT PARTICIPANTS WITH PREVIOUSLY-TREATED PROGRAMMED CELL DEATH LIGAND 1 (PD-L1) POSITIVE NON-SMALL-CELL LUNG CANCER (NSCLC)
2025-521281-97-00Non-Small Cell Lung Cancer (NSCLC)
Pfizer Inc.
Neoplasms
Greece, Italy, Belgium, Slovakia, Czechia, Germany, France, Poland, Denmark, Spain, Netherlands, Sweden, Finland, Bulgaria
17/11/2025
Phase III
A Phase III, Randomized, Open-Label, Multicenter, Global Study of Puxitatug Samrotecan (AZD8205) Monotherapy versus Physician’s Choice of Chemotherapy in Participants with B7-H4-Selected Advanced/Metastatic Endometrial Cancer Who Progressed On or After Platinum-Based Chemotherapy and Anti-PD-1/Anti-PD-L1 Therapy (Bluestar-Endometrial01)
2024-518777-34-00B7-H4-Selected Advanced/Metastatic Endometrial Cancer.
AstraZeneca AB
Neoplasms
Italy, Netherlands, Lithuania, Finland, Greece, Austria, Belgium, Hungary, Spain, Poland, Czechia, Germany, France, Denmark, Slovenia
17/11/2025
Phase III
Framework for Optimizing, Refining, and Unifying Management of HSCT in Pediatric ALL.
2025-522052-13-00Framework for Optimizing, Refining, and Unifying Management…
Ospedale Pediatrico Bambino Gesu
Hemic and Lymphatic Diseases
Germany, Denmark, Finland, Norway, Austria, Italy, Poland, France, Czechia, Belgium, Croatia, Hungary, Lithuania, Sweden, Netherlands, Slovakia
17/11/2025
Phase III
A Phase 3 Open-label Randomized Study Assessing the Efficacy and Safety of RLY-2608 + Fulvestrant Versus Capivasertib + Fulvestrant as Treatment for PIK3CA-mutant Hormone Receptor Positive, Human Epidermal Growth Factor Receptor 2 Negative (HR+/HER2-) Locally Advanced or Metastatic Breast Cancer Following Recurrence or Progression On or After Treatment with a CDK4/6 Inhibitor
2025-523083-21-00PIK3CA-mutant Hormone Receptor Positive, Human Epidermal Gr…
Relay Therapeutics Inc.
Neoplasms
Hungary, Spain, Italy, Belgium, Netherlands, Austria, Germany, Greece, Czechia, Denmark, Poland, Bulgaria, Portugal, France, Ireland, Romania
11/11/2025
Phase II
Phase 2 Platform Trial to Assess the Efficacy and Safety of Long-acting Antibodies as Single Agents and in Combinations for Moderately to Severely Active Ulcerative Colitis
2025-521242-26-00Moderately to Severely Active Ulcerative Colitis
Spyre Therapeutics Inc.
Digestive System Diseases
Belgium, Hungary, Lithuania, Netherlands, Croatia, Czechia, Bulgaria, Romania, Spain, France, Austria, Italy, Greece, Poland, Germany, Slovakia
10/11/2025
Phase III
A Phase 3, Randomized, Open-label Study of Belzutifan + Zanzalintinib Versus Cabozantinib in Participants with Advanced RCC who Experienced Disease Recurrence During or After Prior Adjuvant Anti-PD-1/L1 Therapy (LITESPARK-033)
2024-517136-21-00Renal Cell Carcinoma
Merck Sharp & Dohme LLC
Neoplasms
Greece, Germany, France, Italy, Croatia, Denmark, Czechia, Austria, Belgium, Ireland, Spain, Poland
10/11/2025
Phase III
A Phase 3, Multi-center, Randomized, Open-Label Clinical Study of Tislelizumab Administered as Subcutaneous Injection Versus Intravenous Infusion Plus Chemotherapy as First-Line Treatment in Patients With Locally Advanced Unresectable or Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma
2025-522862-58-00Locally advanced unresectable or metastatic gastric or gast…
BeOne Medicines AG
Neoplasms
Spain, France, Austria, Italy, Poland, Czechia
10/11/2025
Phase II
A 6-Week, Multicenter, Open-Label, Monotherapy, Extension Study of SPT-300 in Adults with Major Depressive Disorder, With or Without Anxious Distress
2025-522347-18-00Major Depressive Disorder (MDD), with or without Anxious Di…
Seaport Therapeutics Inc.
Mental Disorders
Bulgaria, Czechia, Germany, Poland, Hungary, Slovakia, Romania
06/11/2025
Phase III
A Phase 3, Open-label, Multicenter Continuation Trial to Evaluate the Long-term Safety and Efficacy of Mezagitamab Subcutaneous Injection in Adults with Chronic Primary Immune Thrombocytopenia
2025-521692-31-00Chronic Primary Immune Thrombocytopenia
Takeda Development Center Americas Inc.
Hemic and Lymphatic Diseases
Bulgaria, Spain, Netherlands, Italy, Poland, Greece, Germany, France, Czechia, Croatia, Norway, Sweden
04/11/2025
Phase III
EORTC-2427-BTG: Vorasidenib as maintenance treatment after first-line chemoradiotherapy in IDH-mutant grade 2 or 3 astrocytoma: a placebo-controlled, triple-blind, randomized phase III study (VIGOR)
2024-519404-27-00​​IDH-mutant grade 2 or 3 astrocytoma​
Europese Organisatie Voor Onderzoek En Behandeling Van Kanker Organisation Europeenne Pour La Recherche Et Le Traitement Du Cancer European Organi
Neoplasms
Germany, France, Italy, Austria, Netherlands, Spain, Czechia, Belgium
04/11/2025
Phase I/II
(22931) A first-in-human study to evaluate the safety, tolerability and pharmacokinetics, pharmacodynamics and preliminary clinical activity of BAY 3713372, a novel 2nd generation PRMT5 inhibitor, in participants with MTAP-deleted solid tumors.
2025-520623-24-00MTAP-deleted Solid Tumors
Bayer AG
Neoplasms
Belgium, Sweden, Denmark, Italy, Spain, Netherlands, Czechia
04/11/2025
Phase III
A Phase 3, Double-Blind, Randomized, Two-Period, Multicenter, Placebo-Controlled, Efficacy and Safety Study of JNT-517 for the Treatment of Participants with Phenylketonuria
2024-519554-37-00Phenylketonuria
Otsuka Pharmaceutical Development & Commercialization Inc.
Nervous System Diseases
Czechia, Italy, Spain, Netherlands, Poland, France, Germany
03/11/2025
Phase III
A 52-Week, Phase 3, Open-Label Extension Study of ACP-204 in Adults With Lewy Body Dementia Psychosis (LBDP)
2025-521711-39-00Lewy body Dementia psychosis (LBDP)
Acadia Pharmaceuticals Inc.
Nervous System Diseases
Czechia, Italy, France, Bulgaria
03/11/2025
Phase I/II
A Phase 1/2 First-Time-in-Human, open-label, multicenter, dose escalation and expansion study of the oral DNA Polymerase Theta Inhibitor (POLQi) GSK4524101 and the PARP inhibitor (PARPi) niraparib in adult participants with solid tumors.
2024-520197-36-00Neoplasms
Glaxosmithkline Research & Development Limited
Neoplasms
Estonia, Czechia, Spain, Romania, Italy, Denmark, Belgium, Greece
03/11/2025
Phase II
A Phase 2, Parallel-arm, Randomized, Double-blind, Placebo-controlled, Dose-ranging Study to Evaluate the Efficacy and Safety of BFB759 in Patients with Atopic Dermatitis (COMPASS 2-AD)
2025-521624-30-00Atopic dermatitis
Bluefin Biomedicine Inc.
Skin and Connective Tissue Diseases
Poland, Bulgaria, Germany, Czechia, Spain
31/10/2025
Phase III
Efficacy and safety of cagrilintide for weight management in participants with overweight or obesity and type 2 diabetes
2024-519531-41-00Overweight and obesity
Novo Nordisk A/S
Nutritional and Metabolic Diseases
Czechia, Romania, Croatia, Slovakia, Hungary
29/10/2025
Phase II
A Double-Blind, Placebo-Controlled, Phase 2, Efficacy and Safety Study of ACP-204 in Adults with Lewy Body Dementia Psychosis (LBDP)
2025-521710-25-00Lewy Body Dementia Psychosis (LBDP)
Acadia Pharmaceuticals Inc.
Nervous System Diseases
Bulgaria, Czechia, Italy, France
29/10/2025
Phase II
A Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy and Safety of ML-007C-MA for the Treatment of Hallucinations and Delusions Associated with Alzheimer’s Disease Psychosis
2024-519820-26-00Hallucinations and Delusions Associated with Alzheimer’s Di…
Maplight Therapeutics Inc.
Nervous System Diseases
France, Czechia, Slovakia, Hungary, Portugal, Romania, Bulgaria, Italy, Poland
27/10/2025
Phase III
A Phase III, randomized, multi-site, open-label trial of BNT323/DB-1303 versus investigator’s choice of chemotherapy in previously treated patients with HER2- expressing recurrent endometrial cancer
2023-507525-42-00Endometrial cancer
BioNTech SE
Female Urogenital Diseases and Pregnancy Complications
Denmark, Poland, Italy, Finland, Czechia, Sweden, Greece, Belgium, Norway, Hungary, Germany, Austria, France, Spain, Netherlands
27/10/2025
Phase III
A Randomized Phase 2/3 Study of Navlimetostat (BMS-986504) in Combination with Pembrolizumab and Chemotherapy Versus Placebo Plus Pembrolizumab and Chemotherapy in First-line Metastatic Non-small Cell Lung Cancer Participants with Homozygous MTAP Deletion.
2025-521511-40-00metastatic non-small cell lung cancer
Bristol-Myers Squibb Services Unlimited Company
Neoplasms
Greece, Czechia, France, Sweden, Romania, Belgium, Austria, Bulgaria, Italy, Netherlands, Denmark, Germany, Poland, Hungary, Spain
24/10/2025
Phase III
STOP-HAE: A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study of siRNA Targeting of Prekallikrein With ADX-324 in Participants With Hereditary Angioedema
2025-521352-38-00Hereditary Angioedema
Adarx Pharmaceuticals Inc.
Immune System Diseases
Belgium, Poland, Italy, Czechia, Hungary, Spain, Germany, Croatia, France, Bulgaria, Austria
22/10/2025
Phase III
A Phase 3, Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study to Evaluate the Safety and Efficacy of KarXT + KarX-EC for the Treatment of Agitation Associated with Alzheimer’s Disease (ADAGIO-2)
2025-520612-34-00Agitation Associated with Alzheimer’s Disease
Bristol-Myers Squibb Services Unlimited Company
Mental Disorders
Poland, Hungary, Italy, France, Czechia
22/10/2025
Phase III
A Phase 3, Randomized, Double-blind, Placebo-controlled Study to Evaluate Efficacy and Safety of Mezagitamab Subcutaneous Injection in Participants with Chronic Primary Immune Thrombocytopenia
2024-514401-54-00Chronic Primary Immune Thrombocytopenia
Takeda Development Center Americas Inc.
Hemic and Lymphatic Diseases
Poland, Spain, Bulgaria, Italy, Netherlands, Croatia, Germany, Sweden, Greece, Czechia, Norway, France
22/10/2025
Phase II
A Phase IIb Randomized, Double-blind, Placebo-controlled, Multi-Dose Study to Evaluate the Effects of PHENOGENE-1a (Cromolyn) as an Adjuvant Treatment in Subjects with Mild to Moderate Amyotrophic Lateral Sclerosis (ALS)
2025-520688-42-00Amyotrophic Lateral Sclerosis (ALS)
Phenonet Inc.
Nervous System Diseases
Germany, Czechia, Poland, Spain
21/10/2025
Phase III
A Phase 3, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Evaluate the Efficacy and Safety of KarXT + KarX-EC for the Treatment of Cognitive Impairment Associated with Mild to Moderate Alzheimer’s Disease (MINDSET 1)
2025-520746-30-00Mild to moderate Alzheimer’s Disease
Bristol-Myers Squibb Services Unlimited Company
Mental Disorders
Germany, Croatia, Italy, Poland, Romania, Czechia, Greece, Spain, Netherlands
21/10/2025
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Priya Life Science (2026). EU Clinical Trials Register (CTIS), filtered. Derived from the EMA Clinical Trials Information System. Retrieved 21 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.