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Spain Clinical trials in Spain – page 146

  • 2 028 / 4 446 trials open to patients
  • 172 research sites
  • 218 cities
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4 446 trials in Spain

Open in trial search

Otitis media chronic

Not yet recruiting

Study of Topical Chloramphenicol vs Topical Ciprofloxacin for Treating Otorrhea in Adults with Chronic Suppurative Otitis Media

Registered drugNo placebo
Countries:SpainSpain
  • Participants:18–64 years · 65+ years
  • Substances:Ciprofloxacin
  • Sponsor:Institut De Recerca Biomedica De Lleida Fundacio Dr. Pifarre

Coeliac disease

Not yet recruiting

Evaluation of gaxilose (LacTEST 0.45 g) as a marker of intestinal barrier integrity in patients with celiac disease

Registered drugNo placebo
Countries:SpainSpain
  • Participants:18–64 years · 65+ years
  • Substances:GAXILOSE
  • Sponsor:Venter Pharma S.L.

Bronchiectasis

Not yet recruiting

Efficacy of colistimethate sodium and ciprofloxacin for eradicating primary Pseudomonas aeruginosa infection in adults with bronchiectasis

Registered drug
Countries:SpainSpain
  • Participants:18–64 years · 65+ years
  • Substances:Ciprofloxacin
  • Sponsor:Fundacio Institut De Recerca De L'Hospital De La Santa Creu I Sant Pau

Cholecystectomy

Not yet recruiting

Efficacy of sufentanil versus fentanyl for postoperative pain in patients undergoing urgent laparoscopic cholecystectomy

Registered drugNo placebo
Countries:SpainSpain
  • Participants:18–64 years · 65+ years
  • Substances:Fentanyl
  • Sponsor:Fundacion Biomedica Galicia Sur

Parkinson's disease

Not yet recruiting

Cognitive effects of a three‑month methylphenidate course in Parkinson's disease patients with mild cognitive impairment

Registered drug
Countries:SpainSpain
  • Participants:18–64 years · 65+ years
  • Substances:Methylphenidate Hydrochloride

Streptococcal infection

Not yet recruiting

Short Course Amoxicillin for Children with Acute Streptococcal Pharyngotonsillitis: A Phase III Randomized Trial

Registered drugNo placebo
Countries:SpainSpain
  • Participants:0–17 years
  • Substances:Amoxicillin
  • Sponsor:Fundacion Para La Investigacion Biomedica Hospital Infantil Universitario Nino Jesus

HIV infection

Not yet recruiting

Safety and Efficacy of Dasatinib in Reducing HIV-1 Reservoir, Inflammation, and Immune Senescence in People with HIV on Long‑Term Antiretroviral Therapy

Registered drug
Countries:SpainSpain
  • Participants:18–64 years · 65+ years
  • Substances:Dasatinib

Colorectal cancer

Not yet recruiting

Study of denikitug alone or in drug combination in adults with advanced microsatellite stable colorectal cancer

Registered drugNo placebo
Countries:SpainSpain
  • Participants:18–64 years · 65+ years
  • Substances:Bevacizumab
  • Sponsor:Gilead Sciences Inc.

Alcohol abuse

Not yet recruiting

Cannabidiol for Alcohol Dependence in Adults Seeking Abstinence: A Phase II Placebo‑Controlled Trial

Investigational
Countries:SpainSpain
  • Participants:18–64 years
  • Substances:CANNABINOL
  • Sponsor:Hospital Universitario 12 De Octubre

Safety and efficacy of autologous CD34+ cells transduced with a vector encoding human NCF1 in children and adults with p47‑deficient chronic granulomatous disease

InvestigationalNo placebo
Countries:SpainSpain
  • Participants:0–17 years · 18–64 years

Cystic fibrosis

Not yet recruiting

Safety and Efficacy of VX-828, Deutivacaftor, and Tezacaftor in Adults with Cystic Fibrosis

Registered drug
Countries:SpainSpain
  • Participants:18–64 years · 65+ years
  • Sponsor:Vertex Pharmaceuticals Inc.

T-cell type acute leukaemia

Not yet recruiting

Evaluating venetoclax with drug combination in relapsed/refractory T‑cell acute lymphoblastic leukemia patients

Registered drugNo placebo
Countries:SpainSpain
  • Participants:0–17 years · 18–64 years · 65+ years
  • Substances:Azacitidine
  • Sponsor:Centre Hospitalier De Versailles

Top 10 cities in Spain

Where most of the country's trials are run

No. 1 most studied

Madrid

3 294trials · 23% of the top 10
research sites
24
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23%Madrid

Shares are of these cities' trials together.

All cities with clinical trials

218 cities, A–Z – pick yours to filter the trials

Clinical research in Spain

What the registry says about research in the country

01 Oncology and Cancer Research

Spain is conducting extensive research in oncology, focusing on various solid tumors and hematological malignancies. Clinical trials are investigating treatments for non-small cell lung cancer (NSCLC), breast cancer, colorectal cancer, melanoma, prostate cancer, and ovarian cancer. Studies are evaluating novel therapies including immunotherapies, targeted therapies, antibody-drug conjugates, and CAR-T cell therapies.

  • Advanced and metastatic solid tumors with specific genetic alterations (KRAS, EGFR, HER2, BRAF)
  • Hematological cancers including multiple myeloma, acute myeloid leukemia, and lymphomas
  • Early-stage and resectable cancers with adjuvant and neoadjuvant treatment approaches
  • Combination therapies with checkpoint inhibitors and targeted agents

Research emphasizes precision medicine approaches, biomarker-driven patient selection, and improving outcomes in both treatment-naïve and previously treated populations across multiple cancer types.

02 Immunology and Autoimmune Diseases

Clinical trials in Spain are addressing a broad spectrum of autoimmune diseases and immune-mediated conditions. Research focuses on rheumatoid arthritis, systemic lupus erythematosus, inflammatory bowel disease (including Crohn's disease and ulcerative colitis), psoriasis, and psoriatic arthritis. Studies are evaluating biologics, small molecules, and novel immunomodulatory agents.

  • Biologic therapies targeting specific inflammatory pathways (IL-6, IL-17, TNF-alpha)
  • JAK inhibitors and other small molecule therapies for chronic inflammatory conditions
  • Treatments for rare autoimmune diseases including myasthenia gravis and vasculitis
  • Pediatric populations with juvenile idiopathic arthritis and other inflammatory conditions

The research aims to achieve disease remission, improve quality of life, and identify biomarkers for treatment response in patients with moderate to severe autoimmune conditions.

03 Neurology and Neurodegenerative Diseases

Spain is actively involved in trials for neurodegenerative diseases and neurological disorders. Major focus areas include Alzheimer's disease, Parkinson's disease, multiple sclerosis, amyotrophic lateral sclerosis (ALS), and epilepsy. Studies are investigating disease-modifying therapies, symptomatic treatments, and novel approaches to slow disease progression.

  • Anti-amyloid and anti-tau therapies for Alzheimer's disease
  • Neuroprotective agents for Parkinson's disease and ALS
  • Disease-modifying treatments for multiple sclerosis subtypes
  • Antiepileptic drugs for various seizure disorders and rare epileptic syndromes

Research emphasizes early intervention strategies, biomarker development, and improving cognitive and motor function in patients with progressive neurological conditions.

04 Cardiovascular and Metabolic Diseases

Clinical trials are investigating treatments for cardiovascular diseases and metabolic disorders. Key areas include heart failure, atherosclerotic cardiovascular disease, atrial fibrillation, type 2 diabetes, obesity, and dyslipidemia. Studies evaluate novel therapeutics aimed at reducing cardiovascular events and improving metabolic control.

  • SGLT2 inhibitors and GLP-1 receptor agonists for diabetes and heart failure
  • PCSK9 inhibitors and novel lipid-lowering therapies for hypercholesterolemia
  • Anticoagulants and antiplatelet agents for thrombotic disorders
  • Weight management therapies for obesity and metabolic syndrome

Research focuses on preventing major adverse cardiovascular events, improving glycemic control, and addressing the interconnected nature of cardiovascular and metabolic diseases.

05 Respiratory Diseases

Spain conducts trials for respiratory conditions including asthma, chronic obstructive pulmonary disease (COPD), idiopathic pulmonary fibrosis, and pulmonary arterial hypertension. Studies are evaluating biologics, bronchodilators, and antifibrotic agents to improve lung function and reduce exacerbations.

  • Biologic therapies targeting type 2 inflammation in severe asthma
  • Combination bronchodilators and anti-inflammatory agents for COPD
  • Antifibrotic therapies for progressive pulmonary fibrosis
  • Targeted therapies for pulmonary hypertension

The research aims to enhance respiratory function, reduce disease progression, and improve quality of life in patients with chronic and progressive lung diseases.

06 Infectious Diseases and Vaccines

Clinical trials in Spain address infectious diseases including COVID-19, HIV, hepatitis, influenza, and bacterial infections. Research focuses on developing vaccines, antiviral therapies, antibiotics for resistant pathogens, and preventive strategies for high-risk populations.

  • Vaccines for respiratory syncytial virus, influenza, and other viral infections
  • Novel antibiotics for multidrug-resistant bacterial infections
  • Antiviral agents for chronic viral infections including HIV and hepatitis
  • Post-acute COVID-19 syndrome treatments and long-term sequelae management

Studies aim to improve infection prevention, develop effective treatments for resistant pathogens, and address emerging infectious disease challenges.

07 Rare Diseases and Genetic Disorders

Spain participates in trials for rare diseases and genetic disorders. Research includes lysosomal storage diseases, muscular dystrophies, hemophilia, spinal muscular atrophy, and metabolic disorders. Studies evaluate gene therapies, enzyme replacement therapies, and novel targeted treatments.

  • Gene therapies for inherited retinal diseases and neuromuscular disorders
  • Enzyme replacement and substrate reduction therapies for metabolic diseases
  • Novel hemostatic agents for bleeding disorders
  • Disease-modifying therapies for genetic neuromuscular conditions

Research focuses on addressing unmet medical needs in rare disease populations through innovative therapeutic approaches and improving patient outcomes.

08 Nephrology and Renal Diseases

Clinical trials are investigating treatments for kidney diseases including chronic kidney disease (CKD), IgA nephropathy, focal segmental glomerulosclerosis, and kidney transplant rejection. Studies evaluate therapies to slow disease progression, reduce proteinuria, and improve transplant outcomes.

  • Novel agents targeting complement and inflammatory pathways in glomerular diseases
  • Therapies to preserve renal function in CKD and diabetic kidney disease
  • Immunosuppressive regimens for transplant rejection prevention
  • Treatments for rare kidney disorders and genetic nephropathies

Research aims to reduce progression to end-stage renal disease, improve kidney transplant success, and enhance quality of life for patients with chronic kidney conditions.

09 Hematology and Blood Disorders

Spain conducts research on hematological disorders including anemia, thrombocytopenia, hemophilia, sickle cell disease, and myelodysplastic syndromes. Studies are evaluating novel therapies to improve blood cell production, prevent bleeding, and manage clotting disorders.

  • Erythropoiesis-stimulating agents and novel treatments for anemia
  • Factor replacement therapies and gene therapies for hemophilia
  • Therapies for immune thrombocytopenia and platelet disorders
  • Disease-modifying treatments for myelodysplastic syndromes

The research focuses on reducing transfusion dependence, preventing bleeding complications, and improving outcomes in patients with inherited and acquired blood disorders.

10 Dermatology

Clinical trials in Spain address dermatological conditions including atopic dermatitis, psoriasis, hidradenitis suppurativa, vitiligo, and alopecia areata. Research evaluates biologics, topical therapies, and systemic treatments to improve skin health and quality of life.

  • Biologic therapies targeting IL-4, IL-13, and IL-17 pathways in inflammatory skin diseases
  • JAK inhibitors for atopic dermatitis and alopecia areata
  • Novel treatments for chronic urticaria and pruritus
  • Therapies for rare and genetic skin disorders

Studies aim to achieve disease clearance, reduce symptoms, and improve patient quality of life in chronic and debilitating skin conditions.

11 Ophthalmology

Spain participates in trials for eye diseases including age-related macular degeneration, diabetic retinopathy, glaucoma, and retinal vein occlusion. Research focuses on anti-VEGF therapies, gene therapies, and novel treatments to preserve vision and prevent blindness.

  • Anti-VEGF agents and extended-release formulations for retinal diseases
  • Gene therapies for inherited retinal dystrophies
  • Neuroprotective agents for glaucoma and optic neuropathies
  • Novel treatments for dry eye disease and corneal disorders

The research aims to improve visual outcomes, reduce treatment burden, and address unmet needs in patients with progressive retinal and optic nerve diseases.

12 Gastroenterology and Hepatology

Clinical trials are investigating treatments for gastrointestinal and liver diseases including non-alcoholic steatohepatitis (NASH), cirrhosis, primary biliary cholangitis, and eosinophilic esophagitis. Studies evaluate antifibrotic agents, immunomodulators, and metabolic therapies.

  • Antifibrotic and anti-inflammatory therapies for NASH and liver fibrosis
  • Novel treatments for cholestatic liver diseases
  • Therapies for eosinophilic gastrointestinal disorders
  • Management strategies for complications of cirrhosis and portal hypertension

Research focuses on slowing disease progression, preventing liver-related complications, and improving outcomes in patients with chronic liver and gastrointestinal conditions.

13 Pain Management and Anesthesiology

Spain conducts trials for pain management and anesthesia. Research includes chronic pain, neuropathic pain, postoperative pain, and migraine. Studies evaluate analgesics, nerve blocks, and novel pain modulation techniques.

  • Novel analgesics for chronic and neuropathic pain conditions
  • Regional anesthesia techniques for surgical procedures
  • Preventive therapies for chronic and episodic migraine
  • Multimodal pain management strategies for postoperative pain

The research aims to improve pain control, reduce opioid use, and enhance recovery in patients undergoing surgery or living with chronic pain conditions.

14 Transplantation and Regenerative Medicine

Clinical trials in Spain address organ transplantation and regenerative therapies. Research focuses on kidney transplant, liver transplant, lung transplant, and hematopoietic stem cell transplantation. Studies evaluate immunosuppressive regimens, rejection prevention, and cell-based therapies.

  • Novel immunosuppressive strategies to prevent transplant rejection
  • Treatments for graft-versus-host disease following stem cell transplantation
  • Cell therapies for tissue regeneration and organ repair
  • Strategies to improve long-term transplant outcomes and reduce complications

Research aims to enhance transplant success rates, reduce rejection episodes, and improve long-term graft survival in solid organ and stem cell transplant recipients.

15 Pediatric Diseases

Spain participates in trials for pediatric conditions across multiple therapeutic areas. Research includes pediatric cancers, genetic disorders, inflammatory diseases, and rare pediatric conditions. Studies evaluate age-appropriate formulations, dosing regimens, and safety profiles in children.

  • Targeted therapies for pediatric leukemias and solid tumors
  • Treatments for juvenile idiopathic arthritis and inflammatory bowel disease
  • Gene therapies for inherited metabolic and neuromuscular disorders
  • Novel therapies for rare pediatric diseases and developmental disorders

The research focuses on developing safe and effective treatments tailored to pediatric populations, addressing unique challenges in children with serious and rare diseases.

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