Clinical trials in Spain

25,162 studies list at least one site in Spain. 4,383 are recruiting or about to start. Per ClinicalTrials.gov, last updated 2026-09-25.

Studies

Recruiting first, then most recently updated. Showing 50 of 25,162 — search for more.

• A Study to Test the Safety and Tolerability of Staccato Alprazolam in Study Participants 12 Years of Age and Older With Stereotypical Prolonged SeizuresEnrolling by invitationNCT05076617Phase 3
• Phase I Trial to Determine the Dose and Evaluate the PK and Safety of Lutetium Lu 177 Edotreotide Therapy in Pediatric Participants With SSTR-positive TumorsRecruitingNCT06441331Phase 1
• A Rollover Study for Continued Study Treatment and Ongoing Safety MonitoringEnrolling by invitationNCT06788509Phase 1
• A Study of Guselkumab in Pediatric Participants With Moderately to Severely Active Crohn's DiseaseRecruitingNCT05923073Phase 3
• A Study of Orforglipron (LY3502970) Compared With Dulaglutide in Pediatric Participants With Type 2 DiabetesNot yet recruitingNCT07668336Phase 3
• Sacituzumab Tirumotecan (MK-2870) Plus Pembrolizumab Versus TPC in TNBC Who Did Not Achieve pCR (MK-2870-012)RecruitingNCT06393374Phase 3
• 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)Not yet recruitingNCT07817875Phase 3
• A Study to Evaluate TAR-210 Versus Single Agent Intravesical Cancer Treatment in Participants With Bladder CancerRecruitingNCT06319820Phase 3
• JNJ-90301900 (NBTXR3) Activated by Radiotherapy With or Without Cetuximab in LA-HNSCCRecruitingNCT04892173Phase 3
• Trial of Nadofaragene Firadenovec vs. Observation in Participants With Intermediate Risk Non-Muscle Invasive Bladder CancerRecruitingNCT06510374Phase 3
• A Study to Compare How Well Odronextamab Combined With Chemotherapy Works and How Safe it is Against Rituximab Combined With Chemotherapy, in Adult Patients With Previously Untreated Diffuse Large B-cell LymphomaRecruitingNCT06091865Phase 3
• Medtronic Cardiac Surgery PMCF RegistryRecruitingNCT04073420
• A Study to Learn About the Effects of the Combination of Elranatamab, Daratumumab and Lenalidomide Compared With Daratumumab, Bortezomib, Lenalidomide, and Dexamethasone in Patients With Newly Diagnosed Multiple Myeloma Who Are Not Candidates for TransplantRecruitingNCT05623020Phase 3
• A Study of Amivantamab Alone or in Addition to Other Treatment Agents in Participants With Head and Neck CancerRecruitingNCT06385080Phase 1/2
• A Study of JNJ-79635322 in Combination With Daratumumab With or Without Lenalidomide for Multiple Myeloma, Newly Diagnosed AL Amyloidosis, and High-risk Smoldering Multiple Myeloma or JNJ-79635322 in Combination With Pomalidomide for Multiple MyelomaRecruitingNCT06768489Phase 1
• ACP-204 in Adults With Alzheimer's Disease PsychosisRecruitingNCT06159673Phase 2/3
• A Phase 1/2 Study of Bleximenib in Participants With Acute Leukemia (cAMeLot-1)RecruitingNCT04811560Phase 1/2
• A Study of Sacituzumab Tirumotecan (MK-2870) as a Single Agent and in Combination With Pembrolizumab (MK-3475) Versus Treatment of Physician's Choice in Participants With HR+/HER2- Unresectable Locally Advanced or Metastatic Breast Cancer (MK-2870-010)RecruitingNCT06312176Phase 3
• A Study of Amivantamab in Combination With Lazertinib, or Amivantamab in Combination With Platinum-Based Chemotherapy, for Common Epidermal Growth Factor Receptor (EGFR)-Mutated Locally Advanced or Metastatic Non-Small Cell Lung Cancer (NSCLC)RecruitingNCT06667076Phase 2
• A Study of Amivantamab and FOLFIRI Versus Cetuximab/Bevacizumab and FOLFIRI in Participants With KRAS/NRAS and BRAF Wild-type Colorectal Cancer Who Have Previously Received ChemotherapyRecruitingNCT06750094Phase 3
• A Study to Learn About a Study Medicine Called Ibuzatrelvir in Adult and Adolescent Patients With COVID-19 Who Are Not Hospitalized But Are at Risk For Severe DiseaseRecruitingNCT06679140Phase 3
• Study of REGN4018 (Ubamatamab) Administered Alone or in Combination With Cemiplimab in Adult Patients With Recurrent Ovarian Cancer or Other Recurrent Mucin-16 Expressing (MUC16+) CancersRecruitingNCT03564340Phase 1/2
• This is a Study to Learn About How the Combination of the Study Medicines Sigvotatug Vedotin Plus Pembrolizumab Works in People With Non-small Cell Lung Cancer With High Levels of PD-L1.RecruitingNCT06758401Phase 3
• Study of Lumateperone as Adjunctive Therapy in the Treatment of Patients With Major Depressive DisorderRecruitingNCT05850689Phase 3
• Screening for Prostate Cancer Using High Resolution Micro-ultrasound Versus Multiparametric Magnetic Resonance Imaging.RecruitingNCT06626022Phase 3
• A Study of JNJ-88549968 for the Treatment of Calreticulin (CALR)-Mutated Myeloproliferative NeoplasmsRecruitingNCT06150157Phase 1
• A Study of Amivantamab and mFOLFOX6 or FOLFIRI Versus Cetuximab and mFOLFOX6 or FOLFIRI as First-line Treatment in Participants With KRAS/NRAS and BRAF Wild-type Unresectable or Metastatic Left-sided Colorectal CancerRecruitingNCT06662786Phase 3
• A Study of Teclistamab in Combination With Daratumumab and Lenalidomide (Tec-DR) and Talquetamab in Combination With Daratumumab and Lenalidomide (Tal-DR) in Participants With Newly Diagnosed Multiple MyelomaRecruitingNCT05552222Phase 3
• A Study to Evaluate the Efficacy and Safety of Icotrokinra (JNJ-77242113) in Biologic-experienced and Biologic-naive Participants With Active Psoriatic ArthritisRecruitingNCT06807424Phase 3
• A Long-term Study for Participants Previously Treated With Ciltacabtagene AutoleucelRecruitingNCT05201781Phase 4
• A Study of the Medicine Called Abrocitinib in Children 6 to Less Than 12 Years of Age With Moderate-to-Severe EczemaRecruitingNCT06807268Phase 3
• A Study of Repotrectinib in Pediatric and Young Adult Subjects Harboring ALK, ROS1, OR NTRK1-3 AlterationsRecruitingNCT04094610Phase 1/2
• A Study of Amivantamab Monotherapy and in Addition to Standard-of-Care Chemotherapy in Participants With Advanced or Metastatic Colorectal CancerRecruitingNCT05379595Phase 1/2
• A Long-term Study of the Medicine Called Abrocitinib in Children Aged 2 Years and Older With Moderate to Severe EczemaRecruitingNCT06807281Phase 3
• A Phase III Study of Dato-DXd With or Without Durvalumab Compared With Investigator's Choice of Chemotherapy in Combination With Pembrolizumab in Patients With PD-L1 Positive Locally Recurrent Inoperable or Metastatic Triple-negative Breast Cancer (TROPION-Breast05)RecruitingNCT06103864Phase 3
• A Study of Nipocalimab in Pregnancies at Risk for Severe Hemolytic Disease of the Fetus and Newborn (HDFN)RecruitingNCT05912517Phase 3
• Dominantly Inherited Alzheimer Network (DIAN)RecruitingNCT00869817
• BoStOn SCientific Rhythm MAnagemenT REgiStryRecruitingNCT04823663
• A Study of JNJ-89402638 for Metastatic Colorectal and Gastric CancersRecruitingNCT06663319Phase 1
• A Phase III Renal Outcomes and Cardiovascular Mortality Study to Investigate the Efficacy and Safety of Baxdrostat in Combination With Dapagliflozin in Participants With Chronic Kidney Disease and High Blood PressureRecruitingNCT06742723Phase 3
• Efficacy and Safety Study of Nipocalimab for Adults With Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)RecruitingNCT05327114Phase 2/3
• A Trial to Evaluate Intravesical Nadofaragene Firadenovec Alone or in Combination With Chemotherapy or Immunotherapy in Participants With High-grade BCG Unresponsive Non-muscle Invasive Bladder CancerRecruitingNCT06545955Phase 3
• A Study of Opevesostat (MK-5684) Versus Alternative Next-generation Hormonal Agent (NHA) in Metastatic Castration-resistant Prostate Cancer (mCRPC) Post One NHA (MK-5684-004)RecruitingNCT06136650Phase 3
• A Study of JNJ-90301900 in Combination With Chemoradiation Followed by Consolidation Immunotherapy for Non-Small Cell Lung Cancer (NSCLC)RecruitingNCT06667908Phase 2
• A Study of JNJ-87890387 for Advanced Solid TumorsRecruitingNCT06178614Phase 1
• Phase 3 Study of Adjunctive Treatment With Seltorexant in Adult and Elderly Participants With Major Depressive Disorder and Insomnia SymptomsRecruitingNCT06559306Phase 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
• Study of Targeted Therapies for the Treatment of Adult Participants With Moderate to Severe Crohn's DiseaseRecruitingNCT06548542Phase 2
• A Long-term Extension (LTE) Study of Guselkumab in Pediatric ParticipantsRecruitingNCT06663332Phase 3
• A Study of Talquetamab in Participants With Relapsed or Refractory Multiple MyelomaRecruitingNCT04634552Phase 2