Clinical trials in Portugal
4,039 studies list at least one site in Portugal. 784 are recruiting or about to start. Per ClinicalTrials.gov, last updated 2026-11-10.
Get an email when these change. Save the studies in Portugal recruiting or about to start — once a week, free: studies that open, close, add sites or post results.
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Example · made-up studies
Breast cancer · Recruiting: 2 came in, 3 changed
What changed in your saved searches, Oct 31 – Nov 6:
A study of drug A after surgery for early breast cancer
Came in · now Recruiting
Drug B with hormone therapy in advanced breast cancer
Changed
· Sites: 4 added, including Seoul and Busan
· Enrollment: 300 → 450 participants
Exercise during chemotherapy
Now Active, not recruiting
One email a week for all your saved searches. Stop any time.
Status
Most studied here
Who runs them
Hoffmann-La Roche (166) · Universidade do Porto (161) · Novartis Pharmaceuticals (140) · Boehringer Ingelheim (120) · Sanofi (116) · AstraZeneca (95) · Bayer (94) · University of Coimbra (75)
What changed recently
From the registry's own updates since Oct 13, 2026.
Started recruiting8
- Primary Palliative Care - a Feasibility Cluster TrialNov 9, 2026NCT07737899
- Leica Microsystems Sponsored PMCF Study to Collect and Confirm Clinical Data on the Performance of the GLOW400 Device When Used in Accordance With Its Intended UseNov 3, 2026NCT07366892
- Preliminary Efficacy of the AdoptMindful2Care@Web: A Web-Based Mindful Parenting Post-Adoption Intervention for Adoptive ParentsNov 2, 2026NCT07534111
- Beamion LUNG-1: A Study to Test Different Doses of Zongertinib in People With Different Types of Advanced Cancer (Solid Tumours With Changes in the HER2 Gene)Oct 28, 2026NCT04886804
- TOUCHminds: Help-seeking in Adolescents With AnxietyOct 26, 2026NCT07366580
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- International Study for Treatment of Childhood Relapsed Precursor B-Cell ALL 2020 (IntReALL BCP 2020)Oct 26, 2026NCT07476729
- A Study to Learn How Men With Advanced Prostate Cancer Respond to Treatment With Darolutamide and Hormone Therapy, With or Without Chemotherapy, in Real-world Medical PracticeOct 19, 2026NCT07344779
- Efficacy, Safety, and Pharmacokinetics of Tirzepatide (LY3298176) Once Weekly Versus Placebo in Pediatric Participants 6 to Less Than 12 Years of Age Who Have Obesity (ADVANCE-SURMOUNT-KIDS)Oct 13, 2026NCT07817875
First site in Portugal9
- A Study of Azenosertib (ZN-c3) Versus Investigator's Choice Chemotherapy in Subjects With Platinum-Resistant High-Grade Serous Ovarian, Primary Peritoneal, or Fallopian Tube Cancers Positive for Cyclin E1 Protein ExpressionNov 9, 2026NCT07546500
- Two Arm, Double-blind, Phase III Study Assessing Efficacy and Safety of Ianalumab Versus Placebo, in Participants With Sjögren's Disease With High Symptom BurdenNov 9, 2026NCT07621809
- A Study of Nemtabrutinib Plus Venetoclax vs Venetoclax + Rituximab (VR) in Second-line (2L) + Relapsed/Refractory (R/R) Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL) (MK-1026-010/BELLWAVE-010).Nov 6, 2026NCT05947851
- A Study of Ramantamig Plus Daratumumab Versus Daratumumab, Bortezomib, Lenalidomide, and Dexamethasone (DVRd) or Daratumumab, Lenalidomide, and Dexamethasone (DRd) in Participants With NDMM For Whom Stem Cell Transplant is Not PlannedNov 3, 2026NCT07665450
- Exploring How Exercise Frequency Impacts Muscle Resistance and Balance in Institutionalized SeniorsOct 16, 2026NCT07060729
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- Phase 3 Trial of Reltodecacog Alfa (VMX-C001) vs Usual Pharmacological Care in Patients Taking a FXa Direct Oral Anticoagulant Who Require Urgent Surgery With or Without Heparin.Oct 14, 2026NCT07288489
- An Extension Study to Investigate the Long-term Safety and Tolerability of Itepekimab in Adult Participants With Inadequately Controlled Chronic Rhinosinusitis With Nasal PolypsOct 13, 2026NCT07424144
- A Study to Assess Intravenous (IV) Telisotuzumab Adizutecan in Combination With Fluorouracil, Folinic Acid, and Oxaliplatin (FOLFOX) Compared to Standard of Care in Adult Participants With First-Line Metastatic Pancreatic Ductal AdenocarcinomaOct 13, 2026NCT07490301
- A Study to Evaluate the Efficacy and Safety of Divarasib Compared With Investigator's Choice of Immunotherapy or Observation in Participants With Resected Stage II-III KRAS G12C-Positive Non-Small Cell Lung Cancer (NSCLC)Oct 13, 2026NCT07541170
Results posted4
- A Study of Nipocalimab in Adults With Primary Sjogren's Syndrome (pSS)Nov 5, 2026NCT04968912
- Lead EvaluAtion for Defibrillation and Reliability (LEADR) / Lead Evaluation for Defibrillation and Reliability in Left Bundle Branch Area Pacing (LEADR LBBAP)Nov 4, 2026NCT04863664
- Study of Pembrolizumab (MK-3475) Plus Chemotherapy vs Placebo Plus Chemotherapy as Neoadjuvant Therapy and Pembrolizumab vs Placebo as Adjuvant Therapy in Participants With Triple Negative Breast Cancer (TNBC) (MK-3475-522/KEYNOTE-522)Oct 22, 2026NCT03036488
- A Study of Rusfertide in Adults With Polycythemia Vera (PV)Oct 19, 2026NCT05210790
Stopped4
- Study of JDQ443 in Comparison With Docetaxel in Participants With Locally Advanced or Metastatic KRAS G12C Mutant Non-small Cell Lung CancerTerminatedNov 6, 2026NCT05132075
- A Safety and Efficacy Study of GTX-102 in Subjects With Deletion- or Nondeletion-type Angelman Syndrome (AS)TerminatedNov 3, 2026NCT07157254
- A Study of PBFT02 in Participants With FTD and Mutations in the Granulin Precursor (GRN) or C9ORF72 GenesTerminatedOct 29, 2026NCT04747431
- Study of Efficacy and Safety of LNP023 in Participants With Active Lupus Nephritis Class III-IV, +/- VTerminatedOct 15, 2026NCT05268289
Newly registered19
- 24-hour Clear Liquid Diet vs. Standard Fasting for Upper Gastrointestinal Endoscopy in Patients Taking Agonists of the GLP-1 ReceptorNov 10, 2026NCT07929233
- Dexmedetomidine as an add-on Sedative for Endobronchial UltrasoundNov 9, 2026NCT07926542
- Natriuresis With Acetazolamide or SGLT2 Inhibitors Added to Intravenous Loop Diuretics in Decompensated Heart FailureNov 9, 2026NCT07926958
- Systematic Intraoperative Cell Salvage in On-Pump Cardiac Surgery Within a Mature Patient Blood Management ProgrammeNov 6, 2026NCT07922486
- Epinephrine 1:100,000 Versus 1:500,000 During Gastric Endoscopic Submucosal DissectionNov 5, 2026NCT07920068
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- A Study to Learn How Well People With Bronchiectasis Tolerate Continued Treatment With Verducatib After Earlier Studies (AIRTIVITY®-ON)Nov 4, 2026NCT07915219
- Dry Needling in the Management of Myofascial Trigger Points in the Orofacial Area: A Randomized Controlled Clinical TrialNov 3, 2026NCT07913984
- TBLC vs NIVATS in Interstitial Lung DiseaseNov 2, 2026NCT07910448
- Impact of a Tailored Digital Intervention on Sedentary Behaviour and Physical Health in Long-term Cardiac Rehabilitation PatientsNov 2, 2026NCT07910812
- Brain-Machine Interface With Virtual Reality and Neuromuscular Electrical Stimulation for Upper Limb Rehabilitation After StrokeNov 2, 2026NCT07911384
- Specific Immunotherapy With Mannan-Conjugated Allergoids for HDM-Allergic Rhinitis/Rhinoconjunctivitis. MM09-SIT-063.Oct 29, 2026NCT07904052
- Specific Immunotherapy With Mannan-Conjugated Allergoids for HDM-Allergic Rhinitis/Rhinoconjunctivitis_MM09-SIT-063.Oct 29, 2026NCT07904195
- Outcomes of Arthroscopic Dynamic Anterior Stabilization With and Without RemplissageOct 23, 2026NCT07892729
- Multicomponent Exercise and Pain Science Education for Fall Prevention in Older Adults With Chronic Musculoskeletal Pain (MovePainFall)Oct 22, 2026NCT07889024
- Resting Metabolic Rate in Bodybuilders Using Performance-Enhancing DrugsOct 16, 2026NCT07878052
- Quality of Recovery After Colorectal Surgery (Robots vs Laparoscopic)Oct 15, 2026NCT07875829
- Full-Contour Monolithic Zirconia Full-Mouth Implant Supported Rehabilitation BehaviorOct 15, 2026NCT07876466
- Physiological and Performance Characteristics of HYROX AthletesOct 14, 2026NCT07873840
- Prospective Study on Antimicrobial RESIstance in Chronic Pulmonary DiseasEOct 14, 2026NCT07874139
Studies
Recruiting first, then most recently updated. Showing 50 of 4,039 — search for more.
- A Long-term Extension Study to Assess the Long-term Safety and Efficacy of Pegtibatinase Treatment in Participants ≥5 to ≤65 Years of Age With Classical Homocystinuria (HCU) (ENSEMBLE) (ENSEMBLE)Enrolling by invitationNCT06431893Phase 3
- 24-hour Clear Liquid Diet vs. Standard Fasting for Upper Gastrointestinal Endoscopy in Patients Taking Agonists of the GLP-1 ReceptorNot yet recruitingNCT07929233Not applicable
- Long-term Safety and Efficacy Extension Study for Participants With Advanced Tumors Who Are Currently on Treatment or in Follow-up in a Pembrolizumab (MK-3475) Study (MK-3475-587/KEYNOTE-587)RecruitingNCT03486873Phase 3
- A Study to Evaluate the Efficacy and Safety of QMF149 (Indacaterol Acetate/Mometasone Furoate) Versus Budesonide in Children From 6 to Less Than 12 Years of Age With AsthmaRecruitingNCT05562466Phase 3
- A Study to Evaluate the Efficacy and Safety of Tulisokibart (MK-7240) in Participants With Moderate to Severe Crohn's Disease (MK-7240-008)RecruitingNCT06430801Phase 3
- Belzutifan/MK-6482 for the Treatment of Advanced Pheochromocytoma/Paraganglioma (PPGL), Pancreatic Neuroendocrine Tumor (pNET), Von Hippel-Lindau (VHL) Disease-Associated Tumors, Advanced Gastrointestinal Stromal Tumor (wt GIST), or Solid Tumors With HIF-2α Related Genetic Alterations (MK-6482-015)RecruitingNCT04924075Phase 2
- A Clinical Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) in People With Breast Cancer (MK-2870-032)RecruitingNCT06966700Phase 3
- A Study to Evaluate Zilovertamab Vedotin (MK-2140) Combination With Rituximab Plus Cyclophosphamide, Doxorubicin, and Prednisone (R-CHP) Versus Rituximab Plus Cyclophosphamide, Doxorubicin, Vincristine, and Prednisone (R-CHOP) in Participants With Previously Untreated DLBCL (MK-2140-010)RecruitingNCT06717347Phase 3
- A Study to Evaluate the Efficacy and Safety of Sacituzumab Tirumotecan (MK-2870) Maintenance Treatment Versus Standard of Care in Participants With Platinum-sensitive Recurrent Ovarian Cancer (MK-2870-022/TroFuse-022/ENGOT-ov84/GOG-3103)RecruitingNCT06824467Phase 3
- A Study to Assess Efficacy and Safety of Pembrolizumab With or Without Sacituzumab Tirumotecan (MK- 2870) in Adult Participants With Resectable Non Small Cell Lung Cancer (NSCLC) Not Achieving Pathological Complete Response (pCR) (MK-2870-019)RecruitingNCT06312137Phase 3
- Efficacy, Safety, and Pharmacokinetics of Vericiguat in Pediatric Participants With Heart Failure Due to Left Ventricular Systolic Dysfunction (MK-1242-036)RecruitingNCT05714085Phase 2/3
- A Study of OTP-01, a Dual Paratopic PD-1/VEGFR2 Antibody, in Patients With Advanced Solid TumorsRecruitingNCT07266428Phase 1/2
- Rollover Study for Participants Who Have Completed a Previous Clinical Study With Anifrolumab (Saphnelo) and Clinically Benefited From Continued TreatmentRecruitingNCT07691970Phase 3
- DAREON ® -Lung-1: A Study in People With Advanced Small Cell Lung Cancer to Compare Obrixtamig Plus Atezolizumab, Carboplatin, and Etoposide Treatment With Standard ChemoimmunotherapyRecruitingNCT07472517Phase 3
- DAREON®-NEC-1: A Study in People With Advanced Extrapulmonary Neuroendocrine Cancer (epNEC) to Compare Obrixtamig Plus Carboplatin and Etoposide Treatment With Standard ChemotherapyRecruitingNCT07544654Phase 3
- A Study of GSK5764227 in Participants With Relapsed Small Cell Lung Cancer (SCLC) [EMBOLD SCLC-301]RecruitingNCT07099898Phase 3
- A Study to Find Out How Nerandomilast is Tolerated, Handled by the Body, and if it Helps Children and Adolescents With Interstitial Lung Disease (FIBRONEER-chILD)RecruitingNCT07366034Phase 3
- A Study to Investigate GB-0895 Adjunctive Therapy in Adults and Adolescents With Severe Uncontrolled Asthma (SOLAIRIA-1)RecruitingNCT07276724Phase 3
- Study to Evaluate the Efficacy, Safety, and Tolerability of PIPE 791 in Subjects With Idiopathic Pulmonary FibrosisRecruitingNCT07284459Phase 2
- Proprioceptive Versus Strengthening Exercises for Patellofemoral PainNot yet recruitingNCT06893289Not applicable
- Asciminib Roll-over StudyRecruitingNCT04877522Phase 4
- An Open-label, Single-arm Interventional Study to Evaluate the Safety and Efficacy of a Probiotic-containing Cream in Children With Dry SkinNot yet recruitingNCT07713303Not applicable
- A Study to Compare the Efficacy of Nivolumab and Relatlimab Plus Chemotherapy vs Pembrolizumab Plus Chemotherapy for Stage IV/Recurrent Non-squamous Non-small Cell Lung Cancer With PD-L1 Expression ≥ 1%RecruitingNCT06561386Phase 3
- Phase 3 Extension Study to Evaluate Long-term Safety of Ianalumab in Participants With Systemic Lupus Erythematosus (SIRIUS-SLE Extension).RecruitingNCT06133972Phase 3
- A Study to Test Whether Spesolimab Helps People With a Skin Condition Called Pyoderma GangrenosumRecruitingNCT06624670Phase 3
- VE303 for Prevention of Recurrent Clostridioides Difficile InfectionRecruitingNCT06237452Phase 3
- Pegtibatinase as a Treatment for Participants With Classical Homocystinuria (HCU) Receiving Standard of Care TreatmentRecruitingNCT06247085Phase 3
- Secukinumab Open Label Roll-over Extension ProtocolRecruitingNCT04638647Phase 4
- A Pharmacokinetics (PK), Pharmacodynamics (PD), Safety and Tolerability Study of Fenebrutinib in Children and Adolescents With Relapsing Multiple Sclerosis (RMS)RecruitingNCT07161258Phase 2
- A Study to Evaluate the Efficacy and Safety of Divarasib Compared With Investigator's Choice of Immunotherapy or Observation in Participants With Resected Stage II-III KRAS G12C-Positive Non-Small Cell Lung Cancer (NSCLC)RecruitingNCT07541170Phase 3
- Two Arm, Double-blind, Phase III Study Assessing Efficacy and Safety of Ianalumab Versus Placebo, in Participants With Sjögren's Disease With High Symptom BurdenRecruitingNCT07621809Phase 3
- A Study of Azenosertib (ZN-c3) Versus Investigator's Choice Chemotherapy in Subjects With Platinum-Resistant High-Grade Serous Ovarian, Primary Peritoneal, or Fallopian Tube Cancers Positive for Cyclin E1 Protein ExpressionRecruitingNCT07546500Phase 3
- Primary Palliative Care - a Feasibility Cluster TrialRecruitingNCT07737899Not applicable
- Systematic Intraoperative Cell Salvage in On-Pump Cardiac Surgery Within a Mature Patient Blood Management ProgrammeNot yet recruitingNCT07922486
- Investigate Efficacy and Safety of Carisbamate as Adjunctive Treatment for Seizures Associated With LGS in Children and AdultsRecruitingNCT05219617Phase 3
- Pan Tumor Rollover StudyRecruitingNCT03899155Phase 2
- Study of the Long-Term Safety and Outcomes of Treating Pulmonary Embolism With the Indigo Aspiration SystemRecruitingNCT04798261
- A Study Evaluating Sotorasib Platinum Doublet Combination Versus Pembrolizumab Platinum Doublet Combination as a Front-Line Therapy in Participants With Stage IV or Advanced Stage IIIB/C Nonsquamous Non-Small Cell Lung Cancers (CodeBreaK 202)RecruitingNCT05920356Phase 3
- A Study of Nemtabrutinib Plus Venetoclax vs Venetoclax + Rituximab (VR) in Second-line (2L) + Relapsed/Refractory (R/R) Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL) (MK-1026-010/BELLWAVE-010).RecruitingNCT05947851Phase 3
- InRAD Observational StudyRecruitingNCT07213700
- A Phase 3 Study to Evaluate the Safety and Efficacy of KarXT + KarX-EC for the Treatment of Agitation Associated With Alzheimer's Disease (ADAGIO-1)RecruitingNCT07011732Phase 3
- Sacituzumab Tirumotecan (MK-2870) Plus Pembrolizumab Versus TPC in TNBC Who Did Not Achieve pCR (MK-2870-012)RecruitingNCT06393374Phase 3
- Inari VISION RegistryRecruitingNCT06600542
- A Study of Zolbetuximab Together With Pembrolizumab and Chemotherapy in Adults With Gastric CancerRecruitingNCT06901531Phase 3
- A Study Evaluating the Efficacy and Safety of Divarasib and Pembrolizumab Versus Pembrolizumab and Pemetrexed and Carboplatin or Cisplatin in Participants With Previously Untreated, KRAS G12C-Mutated, Advanced or Metastatic Non-Squamous Non-Small Cell Lung CancerRecruitingNCT06793215Phase 3
- Phase 3 Study of RLY-2608 + Fulvestrant vs Capivasertib + Fulvestrant as Treatment for Locally Advanced or Metastatic PIK3CA-mutant HR+/HER2- Breast CancerRecruitingNCT06982521Phase 3
- A Study to Evaluate the Efficacy and Safety of Intravenous (IV) Prasinezumab in Participants With Early-Stage Parkinson's DiseaseRecruitingNCT07174310Phase 3
- RO7771950 Versus Tucatinib in Combination With Trastuzumab and Capecitabine in People With Locally Advanced or Metastatic Breast Cancer That is Human Epidermal Growth Factor Receptor 2 (HER2)-PositiveRecruitingNCT07413939Phase 2/3
- A Study to Find Out if BI 764198 Helps Adults and Adolescents With a Kidney Condition Called Focal Segmental Glomerulosclerosis (FSGS)RecruitingNCT07220083Phase 3
- Epinephrine 1:100,000 Versus 1:500,000 During Gastric Endoscopic Submucosal DissectionRecruitingNCT07920068Not applicable