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Updated 14 Sep 2026 · EMA CTIS official data

Clinical Trials in Portugal

← All EU trials

The most recently authorised clinical trials across the European Union - drawn live from the European Medicines Agency's Clinical Trials Information System (CTIS), the single register for every trial run under the EU Clinical Trials Regulation. Searchable by country, phase, sponsor and condition.

35
Recent authorisations
23
Phase III trials
Portugal
Selected country
Showing 35 trials
Phase III Neoplasms Authorised 08/09/2026

A Phase 3, Open-Label, Multicenter, Randomized Study of Subcutaneous vs Intravenous Tarlatamab in Participants with Relapsed Extensive-Stage Small Cell Lung Cancer After Platinum-based First-line chemotherapy (DeLLphi-315)

Relapsed Extensive-Stage Small Cell Lung Cancer After Platinum-based First-line chemotherapy
Amgen Inc.
100 participants planned
Netherlands · Hungary · Portugal · France · Belgium · Italy · Spain
2026-525489-23-00 on CTIS ↗
Phase II Immune System Diseases Authorised 08/09/2026

A Phase 2, Randomized, Double-Blinded, Placebo-Controlled, Multicenter Study to Evaluate the Efficacy and Safety of Efgartigimod PH20 Subcutaneous Administered by Prefilled Syringe in Adult Participants with Sjogren’s Disease-Associated Sensorimotor or Sensory Polyneuropathy

Sjogren’s Disease-Associated Sensorimotor Polyneuropathy (SMPN) or Sensory Polyneuropathy (SPN)
Argenx
37 participants planned
Germany · Lithuania · Portugal · Slovakia · Hungary · Spain · Austria · Belgium · France
2026-526218-10-00 on CTIS ↗
Phase III Immune System Diseases Authorised 02/09/2026

A parallel group, Phase 3, randomized, open-label, 2-arm study to demonstrate the superiority of belumosudil versus best available therapy (BAT) in participants at least 12 years of age with chronic graft versus host disease (cGVHD) refractory to or recurrent after 2 to 5 prior lines of systemic therapy

Immune system diseases
Sanofi-Aventis Recherche & Developpement
338 participants planned
Belgium · Czechia · Hungary · Sweden · Lithuania · Croatia · Netherlands · Slovakia · Poland · Austria · Norway · France · Italy · Bulgaria · Spain · Germany · Romania · Slovenia · Estonia · Portugal · Greece · Denmark
2026-525913-30-00 on CTIS ↗
Phase III Nutritional and Metabolic Diseases Authorised 02/09/2026

A phase III, randomized, prospective, double-blind, parallel design, multi-arm, multicenter study to compare the efficacy and safety of alogliptin and empagliflozin combination therapy versus alogliptin alone and empagliflozin alone in metformin-treated participants with type 2 diabetes mellitus and insufficient glycemic control despite diet and exercise (ODISSEIA 2026).

Type 2 Diabetes mellitus
Tecnimede-Sociedade Tecnico-Medicinal S.A.
760 participants planned
Poland · Germany · Portugal · Italy · Spain
2025-524606-15-00 on CTIS ↗
Phase II Eye Diseases Authorised 01/09/2026

Randomized, Multicenter, Vehicle-Controlled, Double-Masked Study to Evaluate the Efficacy and Safety of Intranasal Cenegermin (Recombinant Human Nerve Growth Factor [rhNGF]) in Adult Participants with Non-Arteritic Anterior Ischemic Optic Neuropathy (NAION)

Non-Arteritic Anterior Ischemic Optic Neuropathy (NAION)
Dompe' Farmaceutici S.p.A.
171 participants planned
Denmark · Italy · Germany · Hungary · Netherlands · Spain · Belgium · France · Portugal
2025-524748-37-00 on CTIS ↗
Phase III Nervous System Diseases Authorised 31/08/2026

A Phase 3, Randomized, Double-Blinded Study to Evaluate the Safety and Efficacy of Salanersen (BIIB115) After Onasemnogene Abeparvovec Treatment in Infants with Genetically Diagnosed Spinal Muscular Atrophy

Spinal Muscular Atrophy
Biogen Idec Research Limited
24 participants planned
Portugal · Italy · Belgium · Croatia · Hungary · Germany · Ireland · France · Norway · Poland
2025-523857-32-00 on CTIS ↗
Phase II Hemic and Lymphatic Diseases Authorised 31/08/2026

HOVON 168: Epcoritamab in Addition to R-Mini-CHOP Compared to R-Mini-CHOP in Elderly, Frail or Unfit Patients with Diffuse Large B-cell Lymphoma

Diffuse large B-cell lymphoma (DLBCL)
Hemato-Oncologie voor Volwassenen Nederland (Hovon) Stichting
276 participants planned
Czechia · Denmark · Croatia · Spain · Sweden · Finland · Portugal · Ireland · Netherlands · Belgium · Norway
2025-524230-25-00 on CTIS ↗
Phase III Neoplasms Authorised 28/08/2026

A PHASE III, RANDOMIZED, OPEN-LABEL STUDY EVALUATING THE EFFICACY AND SAFETY OF DIVARASIB COMPARED WITH INVESTIGATOR’S CHOICE OF IMMUNOTHERAPY OR OBSERVATION IN PATIENTS WITH RESECTED STAGE II-III KRAS G12C-POSITIVE NON-SMALL CELL LUNG CANCER

Resected Stage II-III Kirsten rat sarcoma virus oncogene homolog glycine 12 to Cysteine (KRAS G12C) -Positive Non-Small Cell Lung Cancer
F. Hoffmann-La Roche AG
198 participants planned
France · Spain · Austria · Greece · Portugal · Ireland · Belgium · Italy · Germany · Netherlands
2025-524263-21-01 on CTIS ↗
Phase II Respiratory Tract Diseases Authorised 26/08/2026

A Phase 2, Randomized, Double-Blind, Placebo-Controlled, Multicenter Study to Evaluate the Efficacy, Safety, and Tolerability of Oral PIPE-791 in Subjects with Idiopathic Pulmonary Fibrosis

Idiopathic Pulmonary Fibrosis (IPF)
Contineum Therapeutics Inc.
156 participants planned
Italy · Belgium · Denmark · Austria · Greece · Germany · France · Netherlands · Portugal · Poland · Spain
2025-521901-42-00 on CTIS ↗
Phase II Immune system processes Authorised 25/08/2026

A Phase 2b, Randomized, Multicenter, Double-Blind, Dose-Finding, Active-Controlled Study of Siplizumab (TCD601) Compared to Rabbit Anti-Thymocyte Globulin in Renal Transplant Recipients Requiring Induction Therapy and Receiving Standard of Care Immunosuppression with Tacrolimus, Mycophenolic Acid and Corticosteroids (MODERNIZE 1)

Renal Transplantation
Nefro Avillion Clinical Development LLC
27 participants planned
Czechia · Spain · Portugal · Austria
2026-525646-29-00 on CTIS ↗
Phase II Neoplasms Authorised 25/08/2026

Phase 2 Randomized, Double-blind, Placebo-controlled Study Evaluating the Prophylactic Use of Tocilizumab to Prevent Cytokine Release Syndrome With Ramantamig Administration in Participants With Relapsed/Refractory Multiple Myeloma

Relapsed/Refractory Multiple Myeloma
Janssen Cilag International
123 participants planned
Sweden · Spain · Greece · Portugal · France · Hungary
2025-524793-42-00 on CTIS ↗
Phase II Neoplasms Authorised 25/08/2026

Solid tumor Study for Long term Treatment of Cancer Patients Who Have Participated in BMS-Parent Studies Investigating Adagrasib (BMS-986503)

Solid tumor
Bristol-Myers Squibb Services Unlimited Company
116 participants planned
Greece · Hungary · Poland · Belgium · Spain · Netherlands · Germany · France · Portugal · Italy · Romania
2025-524905-34-00 on CTIS ↗
Phase III Hemic and Lymphatic Diseases Authorised 21/08/2026

A Phase 3 Randomized, Double-blind, Placebo-controlled Global Study of Sapablursen in Polycythemia Vera

Polycythemia Vera
Deciphera Pharmaceuticals Inc.
106 participants planned
Austria · Czechia · Italy · Portugal · Germany · France · Hungary · Spain · Poland
2025-524669-25-00 on CTIS ↗
Phase III Neoplasms Authorised 21/08/2026

A Phase 3, Randomized, Multicenter, Open-Label Study of Velzatinib (GSK6042981) versus Imatinib in Participants with Previously Untreated Metastatic and/or Unresectable Gastrointestinal Stromal Tumors (GIST)

Neoplasms, Gastrointestinal Stromal
Glaxosmithkline Research & Development Limited
302 participants planned
Italy · Portugal · Germany · Sweden · Poland · Romania · Finland · Greece · Norway · Spain · Netherlands · France · Hungary
2025-524934-24-00 on CTIS ↗
Phase I/II Neoplasms Authorised 18/08/2026

A Phase 1/2 Trial of TER-2013 in Patients with Solid Tumors Harboring AKT/PI3K/PTEN Pathway Alterations

Solid Tumours
Terremoto Biosciences Inc.
228 participants planned
Spain · Ireland · Hungary · Romania · France · Portugal · Belgium · Poland
2025-525036-34-00 on CTIS ↗
Phase III Skin and Connective Tissue Diseases Authorised 03/08/2026

A double-blind, randomised, placebo-controlled trial evaluating the efficacy and safety of oral nerandomilast treatment in patients with systemic sclerosis (SSc)

Systemic sclerosis
Boehringer Ingelheim International GmbH, Boehringer Ingelheim Espana S.A.
179 participants planned
Denmark · Hungary · Sweden · Netherlands · Germany · Belgium · France · Greece · Norway · Finland · Czechia · Portugal · Bulgaria · Spain · Austria · Romania · Croatia · Poland · Estonia · Italy · Lithuania
2025-523884-39-00 on CTIS ↗
Phase III Immune System Diseases Authorised 03/08/2026

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

Moderately to Severely Active Crohn’s Disease
Janssen Cilag International
194 participants planned
Norway · Romania · Austria · Italy · Slovakia · Germany · Hungary · Netherlands · Belgium · France · Portugal · Czechia · Poland · Spain · Greece
2026-525922-39-00 on CTIS ↗
Phase III Immune System Diseases Authorised 03/08/2026

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

Moderately to Severely Active Ulcerative Colitis
Janssen Cilag International
302 participants planned
France · Bulgaria · Romania · Slovakia · Norway · Denmark · Greece · Italy · Austria · Poland · Netherlands · Czechia · Germany · Belgium · Spain · Hungary · Portugal
2026-525923-26-00 on CTIS ↗
Phase I/II Nervous System Diseases Authorised 30/07/2026

A Phase 1b/2a first-in-human, multicentre, randomized, double-blind, placebo-controlled study of multiple ascending dose (Part1) followed by an open-label extension (Part2) to assess the safety, tolerability, and pharmacokinetics of intrathecally administered S233107 in participants with spinocerebellar ataxia type 3

Spinocerebellar ataxia type 3
Institut De Recherches Internationales Servier IRIS
50 participants planned
France · Denmark · Spain · Portugal
2025-525111-17-00 on CTIS ↗
Phase I Neoplasms Authorised 27/07/2026

A Study to Assess Adverse Events, Change in Disease Activity and How Intravenous (IV) ABBV901 Moves Through the Body Alone or in Combination with Bevacizumab in Adult Participants with Ovarian Cancer

Ovarian Cancer
AbbVie Deutschland GmbH & Co. KG
44 participants planned
Portugal · Denmark · Spain · France
2025-522209-40-00 on CTIS ↗
Phase III Nutritional and Metabolic Diseases Authorised 27/07/2026

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

Participants with obesity with or without type 2 diabetes
Novo Nordisk A/S
1140 participants planned
Greece · Portugal · France · Slovakia · Bulgaria · Netherlands · Romania · Italy · Austria · Poland · Hungary · Spain · Czechia · Belgium
2025-522488-14-00 on CTIS ↗
Phase III Hormonal diseases Authorised 23/07/2026

A Phase 3b, Open-Label Study of Crinecerfont to Evaluate Androgen Reduction and Related Outcomes in Adults With Classic Congenital Adrenal Hyperplasia

Classic Congenital Adrenal Hyperplasia (CAH)
Neurocrine Biosciences Inc.
71 participants planned
Czechia · Germany · Sweden · Portugal · Romania · Bulgaria · Italy · Austria · Spain
2025-524282-24-00 on CTIS ↗
Phase III Digestive System Diseases Authorised 21/07/2026

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

Primary Sclerosing Cholangitis
Ipsen Bioscience Inc.
127 participants planned
Spain · Sweden · Germany · Romania · Finland · Portugal · Austria · Italy · Denmark · Czechia · France · Netherlands · Poland · Belgium · Norway
2026-525242-29-00 on CTIS ↗
Phase III Nutritional and Metabolic Diseases Authorised 20/07/2026

A placebo-controlled comparability study to compare two presentations of cagrilintide for weight management in participants with overweight or obesity

Participants with overweight or obesity
Novo Nordisk A/S
171 participants planned
Sweden · Greece · Hungary · Portugal
2025-524249-29-00 on CTIS ↗
Phase III Nervous System Diseases Authorised 20/07/2026

A randomized, placebo-controlled, double-blind Phase 3 study to evaluate the efficacy, safety and tolerability of votoplam in participants with Huntington’s Disease

Huntington’s Disease
Novartis Pharma AG
368 participants planned
Norway · Poland · Spain · Sweden · Bulgaria · Netherlands · Finland · Portugal · Austria · Italy · Greece · Ireland · Czechia · France · Romania · Belgium · Germany · Denmark · Slovakia · Hungary
2025-522227-99-00 on CTIS ↗
Phase III Female Urogenital Diseases and Pregnancy Complications Authorised 14/07/2026

A Sequential Phase 2/3, Single-Arm, Open-Label Study in Adults Followed by a Randomized, Placebo-Controlled, Double-Blind, Multicenter Study to Evaluate the Efficacy and Safety of Pegcetacoplan in Adults and Adolescents with Focal Segmental Glomerulosclerosis

Focal segmental glomerulosclerosis (FSGS)
Apellis Pharmaceuticals Inc.
97 participants planned
France · Portugal · Spain · Slovakia · Italy · Germany · Poland
2025-524448-36-00 on CTIS ↗
Phase I/II Neoplasms Authorised 13/07/2026

A Phase 1/2, Open-Label, Platform Study to Evaluate Safety and Efficacy of the BCL-2 Inhibitor Surzetoclax (ABBV-453) given as Monotherapy or in Combination with Antimyeloma Regimens in Subjects with Multiple Myeloma

Multiple Myeloma (MM), Multiple Myeloma (MM)
AbbVie Deutschland GmbH & Co. KG
88 participants planned
Germany · Poland · Czechia · Belgium · France · Greece · Sweden · Portugal · Italy
2025-525105-20-00 on CTIS ↗
Phase III Respiratory Tract Diseases Authorised 07/07/2026

A study to evaluate the dose-exposure, safety, and exploratory efficacy of nerandomilast in children and adolescents from 2 years to less than 18 years of age with fibrosing interstitial lung disease (Part A: double-blind, placebo-controlled in children from 6 to less than 18 years of age and open-label active treatment in children from 2 to less than 6 years of age), followed by an open-label phase with active treatment (Part B)

Fibrosing interstitial lung disease
Boehringer Ingelheim International GmbH, Boehringer Ingelheim Espana S.A.
20 participants planned
Belgium · Greece · Germany · France · Finland · Spain · Czechia · Poland · Italy · Netherlands · Denmark · Portugal
2025-523369-32-00 on CTIS ↗
Phase III Neoplasms Authorised 06/07/2026

Phase 2/3 Open Label Randomized Study of Telisotuzumab Adizutecan in Combination with FOLFOX Compared to Standard of Care in Subjects with First-Line Metastatic Pancreatic Ductal Adenocarcinoma - AndroMETa-PDAC-288

Metastatic Pancreatic Ductal Adenocarcinoma; PDAC
AbbVie Deutschland GmbH & Co. KG
194 participants planned
Portugal · Spain · France · Italy · Germany · Austria
2025-522563-15-00 on CTIS ↗
Phase III Respiratory Tract Diseases Authorised 06/07/2026

A Phase 2b/Phase 3, randomized, double-blind, placebo-controlled, multicenter study, to investigate the efficacy and safety of lunsekimig in adult participants with inadequately controlled chronic obstructive pulmonary disease (COPD) characterized by an eosinophilic phenotype

Respiratory tract diseases
Sanofi-Aventis Recherche & Developpement
613 participants planned
Denmark · Sweden · Poland · Estonia · Portugal · Latvia · Spain · Hungary · Germany · Finland · Italy · Belgium · France
2024-518016-39-00 on CTIS ↗
Phase III Respiratory Tract Diseases Authorised 30/06/2026

A Long-term Open-Label Extension Study of Treprostinil Palmitil Inhalation Powder for Treatment of Pulmonary Hypertension Associated with Interstitial Lung Disease

Pulmonary Hypertension Associated with Interstitial Lung Disease
Insmed Inc.
165 participants planned
Greece · France · Italy · Belgium · Denmark · Germany · Poland · Czechia · Portugal · Austria · Spain · Romania
2025-521769-29-00 on CTIS ↗
Phase I/II Nervous System Diseases Authorised 30/06/2026

Phase 1-2, Open-Label, Single and Multiple Ascending Dose Study to Evaluate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Intrathecally-Administered ION337 in Patients with Dravet Syndrome

Dravet Syndrome
Ionis Pharmaceuticals Inc.
11 participants planned
Spain · France · Belgium · Portugal · Germany
2025-523835-20-00 on CTIS ↗
Phase III Neoplasms Authorised 29/06/2026

AndroMETa-CRC-560: An Open-Label, Randomized, Controlled, Global Phase 3 Study Comparing Telisotuzumab Adizutecan (ABBV-400) plus Bevacizumab to LONSURF (Trifluridine and Tipiracil) plus Bevacizumab in Subjects with Refractory Metastatic Colorectal Cancer

Colorectal Cancer
AbbVie Deutschland GmbH & Co. KG
243 participants planned
Greece · Portugal · Germany · Belgium · Spain
2025-521712-19-00 on CTIS ↗
Phase III Nervous System Diseases Authorised 22/06/2026

A Phase 3, Randomized, Double-blind, Efficacy and Safety Study Comparing Orelabrutinib to Placebo in Patients With Non-Active Secondary Progressive Multiple Sclerosis

Non-active Secondary Progressive Multiple Sclerosis (SPMS)
Zenas Biopharma (USA) LLC
486 participants planned
Germany · Bulgaria · Netherlands · Sweden · Portugal · Croatia · Italy · Austria · Spain · Poland · France · Denmark · Hungary · Romania · Estonia · Slovakia · Belgium · Czechia · Norway · Lithuania · Greece
2025-524322-18-00 on CTIS ↗
Phase III Respiratory Tract Diseases Authorised 17/06/2026

IM0271016: An Open-label, Multi-center, Long-term Extension Study to Evaluate the Long-term Safety and Tolerability of Admilparant in Participants with Pulmonary Fibrosis

Progressive pulmonary fibrosis and Idiopathic pulmonary fibrosis
Bristol-Myers Squibb Services Unlimited Company
318 participants planned
Finland · Portugal · Hungary · Ireland · Poland · Greece · France · Belgium · Denmark · Italy · Spain · Netherlands · Austria · Germany
2025-522373-10-00 on CTIS ↗
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Cite this page

Priya Life Science (2026). EU Clinical Trials Tracker. Available at: https://priyalifescience.com/clinical-trials-europe/country/portugal (Accessed: 14 September 2026).

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Source: Clinical Trials Information System (CTIS), European Medicines Agency - trials authorised under the EU Clinical Trials Regulation (Regulation 536/2014), showing the most recent EU authorisation decisions, refreshed daily. Listing here is informational and not medical advice; eligibility is determined by each study team. Looking for Irish sites? See our Ireland Clinical Trials Tracker. For approved medicines, see the EMA Approvals Tracker. See who's running these trials in our Company Directory, or compare pay across these markets in the EU Salary Guide.