City

Clinical trials near Barcelona, Spain

Active studies with a listed research site in Barcelona, Spain.

22active studies

13recruiting now

34countries represented

70largest site network

Current studies

Status and location data reflect the registry snapshot built 2026-09-08. Verify the original record before contacting a site.

Recruiting nowPhase 3

A Study of Tirzepatide in Adolescents With Obesity and Weight-Related Comorbidities (SURMOUNT-ADOLESCENTS-2)

Obesity, Weight GainCondition

Tirzepatide, PlaceboTreatment

Argentina, Australia69 locations

Eli Lilly and CompanySponsor

Updated 2026-09-04 · NCT06439277See eligibility →

Recruiting nowNot applicable

Safety and Effectiveness of Orbera365™ Intragastric Balloon System

ObesityCondition

Intragastric BalloonTreatment

Czechia, Spain4 locations

Boston Scientific CorporationSponsor

Updated 2026-08-13 · NCT07062094See eligibility →

Recruiting nowPhase 2

A Research Study Comparing How Well Different Doses of the Medicine UBT251 Lower Blood Sugar in People With Type 2 Diabetes

Diabetes Mellitus, Type 2Condition

UBT251, UBT251 PlaceboTreatment

Australia, Germany70 locations

Novo Nordisk A/SSponsor

Updated 2026-08-10 · NCT07668388See eligibility →

Recruiting nowPhase 2

A Research Study Comparing How Well Different Doses of the Medicine NNC0662-0419 Lower Blood Sugar in People With Type 2 Diabetes

Diabetes Mellitus, Type 2Condition

NNC0662-0419, SemaglutideTreatment

Croatia, Hungary63 locations

Novo Nordisk A/SSponsor

Updated 2026-08-10 · NCT07415954See eligibility →

Recruiting nowNot applicable

Evaluation of a Multicomponent Early Intervention for Childhood Obesity Prevention in Vulnerable Families

Obesity & Overweight, Vulnerable FamiliesCondition

Bambú programTreatment

Spain4 locations

Helena Vall RoquéSponsor

Updated 2026-08-05 · NCT07529704See eligibility →

Recruiting nowPhase 4

Fibrosis Lessens After Metabolic Surgery

Metabolic Dysfunction-associated Steatotic Liver Disease (MASLD), Non-Alcoholic Fatty Liver DiseaseCondition

Metabolic surgery, Incretin-Based TherapyTreatment

Brazil, Canada22 locations

The Cleveland ClinicSponsor

Updated 2026-07-31 · NCT06374875See eligibility →

Recruiting nowNot applicable

Exogenous and Endogenous Risk Factors for Early-onset Colorectal Cancer

Colorectal Cancer, Early Onset Colorectal CancerCondition

Semi Quantitative Food Frequency Questionnaire (SQFFQ)Treatment

Finland, Germany8 locations

San Raffaele UniversitySponsor

Updated 2026-04-24 · NCT05732623See eligibility →

Recruiting nowPhase 4

Effect of Semaglutide on Embryo Quality in Overweight and Obese Patients Undergoing In Vitro Fertilization.

Infertility, ObesityCondition

Semaglutide, No pre-treatmentTreatment

Spain5 locations

Fundacion DexeusSponsor

Updated 2026-01-21 · NCT07242534See eligibility →

Recruiting nowPhase 2

Study of the Efficacy and Safety of Nicotinamide in Patients With Liver Fibrosis (NICOFIB)

Fatty Liver, ObesityCondition

Nicotinamide, PlaceboTreatment

Spain1 locations

Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant PauSponsor

Updated 2025-11-18 · NCT06599918See eligibility →

Recruiting nowNot applicable

Study of the Effects of Time-Restricted Feeding on the Immune Function of Individuals With Obesity

Obesity and Obesity-related Medical ConditionsCondition

Time-restrictred feeding, Non-time restricted feedingTreatment

Spain1 locations

Hospital Universitari Vall d'Hebron Research InstituteSponsor

Updated 2025-06-08 · NCT06858683See eligibility →

Recruiting nowNot applicable

Comparison of Two Surgical Techniques for Treatment of Type III Obesity (BMI 40-50 kg/m2): Single Anastomosis Duodenoileal Bypass With Sleeve Gastrectomy and Roux-en-Y Gastric Bypass.

ObesityCondition

SADI-S, RY-GBPTreatment

Spain1 locations

Hospital Clinic of BarcelonaSponsor

Updated 2025-05-04 · NCT06789965See eligibility →

Recruiting nowNot applicable

Modulation of the Inflammatory Response in Bariatric Surgery

Obesity, Bariatric Surgery CandidateCondition

Opioid-Free Anesthesia (OFA), Opioid-Based Intravenous Anesthesia (OBA-IV)Treatment

Spain1 locations

Hospital HM Nou DelfosSponsor

Updated 2025-04-08 · NCT06915558See eligibility →

Recruiting nowNot applicable

The European NAFLD Registry

NAFLD, NASHCondition

Intervention not listedTreatment

Belgium, Finland37 locations

Newcastle UniversitySponsor

Updated 2023-01-06 · NCT04442334See eligibility →

Invitation onlyNot applicable

A Two-year Prospective, Observational Study of Wegovy in Real-world Clinical Practice

ObesityCondition

SemaglutideTreatment

Spain, Switzerland30 locations

Novo Nordisk A/SSponsor

Updated 2026-08-04 · NCT07055607See eligibility →

Active, not recruitingPhase 2

A Study to Assess Efficacy, Safety, Tolerability, Pharmacokinetics (PK) and Pharmacodynamics (PD) of RO7204239 in Combination With Tirzepatide in Participants With Obesity or Overweight With At Least One Weight-related Comorbidity

Obesity, OverweightCondition

RO7204239, RO7204239 Matching PlaceboTreatment

Poland, Spain35 locations

Hoffmann-La RocheSponsor

Updated 2026-08-11 · NCT06965413See eligibility →

Active, not recruitingPhase 2

A Study to Compare Different Doses of RO7795081 With a Placebo or Semaglutide in People With Type 2 Diabetes

Type 2 Diabetes MellitusCondition

RO7795081, SemaglutideTreatment

Hungary, Poland50 locations

Hoffmann-La RocheSponsor

Updated 2026-07-07 · NCT07112872See eligibility →

Active, not recruitingPhase 1, Phase 2

Maternal Betaine Supplementation During Breastfeeding

Overweight and ObesityCondition

Betaine, PlaceboTreatment

Spain1 locations

Fundació Sant Joan de DéuSponsor

Updated 2026-03-24 · NCT04633044See eligibility →

Active, not recruitingNot applicable

Time-Restricted Feeding in Children and Adolescents With Obesity

Obesity, Childhood, Obesity, AdolescentCondition

Lifestyle intervention, TRF interventionTreatment

Spain1 locations

Fundació Sant Joan de DéuSponsor

Updated 2026-03-23 · NCT05174871See eligibility →

Active, not recruitingNot applicable

Effects of the Postbiotic Blend ABB C3 on Adiposity and Glucose Metabolism in Children and Adolescents

Obesity, Childhood, Obesity, AdolescentCondition

Postbiotic ABB C3, PlaceboTreatment

Spain1 locations

Fundació Sant Joan de DéuSponsor

Updated 2026-03-23 · NCT06309121See eligibility →

Active, not recruitingNot applicable

Modulating Early-life Nutrition for Childhood Obesity Prevention

Infant Growth, Childhood OverweightCondition

Betaine supplementation in infant formula, Regular infant formulaTreatment

Spain1 locations

Fundació Sant Joan de DéuSponsor

Updated 2026-03-20 · NCT06091917See eligibility →

Active, not recruitingPhase 2

A Research Study to Investigate the Effects of CagriSema Compared to Placebo in People With Type 2 Diabetes and Painful Diabetic Peripheral Neuropathy

Diabetes Mellitus, Type 2, Diabetic Peripheral NeuropathyCondition

CagriSema (Cagrilintide B and Semaglutide I), Placebo matched to CagriSema (Cagrilintide B and Semaglutide I)Treatment

Canada, Denmark54 locations

Novo Nordisk A/SSponsor

Updated 2025-12-05 · NCT06797869See eligibility →

Active, not recruitingNot applicable

Childhood Obesity Risk Assessment Longitudinal Study

Child ObesityCondition

Intervention not listedTreatment

Spain8 locations

Consorcio Centro de Investigación Biomédica en Red (CIBER)Sponsor

Updated 2024-05-30 · NCT06317883See eligibility →

How current is this page?

The page is rebuilt from the public registry feed. Each trial card shows the registry update date. Recruitment can still change between builds.

Does appearing here mean I qualify?

No. These pages are discovery indexes. Only a study team can confirm eligibility after reviewing the complete protocol criteria.

Clinical trials near Barcelona, Spain

Current studies

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