Obesity trials in Spain

In Spain 111 Also abroad 1939

22 of 111 trials · From ClinicalTrials.gov and EU CTIS (euclinicaltrials.eu), checked 11 November 2026. Ask the study team whether a trial fits you.

No phaseNot yet taking people in Spain
Pilot Study on the Effectiveness and Safety of OPTILENE® SILVER MESH ELASTIC in Prevention of Surgical Site Infection (SSI) and Incisional Hernia (IH)
Where
Badalona, Calella, Mataró, Santa Coloma de Gramenet
Age
18 years and over
People
110
Run by
Aesculap AG
See details and how to joinNCT06547138
No phaseTaking people
Safety and Effectiveness of Orbera365™ Intragastric Balloon System
Where
Barcelona, Madrid
Age
18 years and over
People
200 worldwide
Run by
Boston Scientific Corporation
See details and how to joinNCT07062094
No phaseEnrolling by invitation
Changes in Body Composition Following Pharmacological Treatment for Obesity.
Where
Madrid
Age
18 years to 80 years
People
116
Run by
Hospital San Carlos, Madrid
See details and how to joinNCT07908940
No phaseTaking people
Early Discharge With Hospital-at-Home After Bariatric Surgery and Economic Evaluation.
Where
Sabadell
Age
18 years to 65 years
People
300
Run by
Corporacion Parc Tauli
See details and how to joinNCT07782281
No phaseTaking people
Longitudinal Study of the Psychological Impact of Bariatric Surgery
Where
Alcoy, Alicante
Age
18 years to 70 years
People
70
Run by
University of Alicante
See details and how to joinNCT07780058
No phaseEnrolling by invitation
A Two-year Prospective, Observational Study of Wegovy in Real-world Clinical Practice
Where
Barcelona, Cartagena, Castilleja de la Cuesta, El Palmar (Murcia), Ferrol, Getafe (Madrid), La Cuesta (Santa Cruz de Tenerife), Las Palmas de Gran Canaria, Madrid, Málaga, Oviedo, Palma de Mallorca, San Bartolomé de Tirajana (Las Palmas)
Age
18 years and over
People
1,250 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07055607
No phaseTaking people
Automated Passive Case-Finding for Advanced Liver Fibrosis in MASLD: The LiverSeek Programme
Where
Madrid
Age
50 years to 75 years
People
3,000
Run by
Hospital General Universitario Gregorio Marañon
See details and how to joinNCT07658755
No phaseTaking people
Meal Timing, Genetics and Weight Loss
Where
Murcia
Age
18 years and over
People
5,788
Run by
Universidad de Murcia
See details and how to joinNCT02829619
No phaseTaking people
Exogenous and Endogenous Risk Factors for Early-onset Colorectal Cancer
Where
Barcelona
Age
18 years to 49 years
People
2,300 worldwide
Run by
San Raffaele University
See details and how to joinNCT05732623
No phaseTaking people
Involvement of the Gut Microbiota-brain Cross-talk in the Loss of Eating Control
Where
Girona
Age
30 years to 65 years
People
116
Run by
Institut d'Investigació Biomèdica de Girona Dr. Josep Trueta
See details and how to joinNCT05646901
No phaseTaking people
Adipose Tissue Gene Expression and Metabolomics Links to the Gut Microbiome-brain Axis
Where
Girona
Age
20 years and over
People
100
Run by
Institut d'Investigació Biomèdica de Girona Dr. Josep Trueta
See details and how to joinNCT06869941
No phaseTaking people
Role of Pro-Resolving Lipid Mediators in Obesity-Associated Diseases
Where
Pamplona
People
60
Run by
Clinica Universidad de Navarra, Universidad de Navarra
See details and how to joinNCT07447440
No phaseEnrolling by invitation
A Study to Evaluate Safety of Exposure to Wegovy During Pregnancy
Where
Madrid
Age
15 years to 50 years
People
728 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT05872022
No phaseTaking people
Efficacy of Semaglutide s.c. Once-weekly on Weight Loss and Management in Adolescents With Monogenic Obesity in Clinical Practice
Where
Madrid
Age
12 years to 21 years
People
70 worldwide
Run by
Prof. Dr. Martin Wabitsch
See details and how to joinNCT07302802
No phaseTaking people
Clinical, Morphometric and Biochemical Effects on Adiposopathy Associated With the Use of GLP-1RA in CKD
Where
Valencia
Age
18 years to 90 years
People
250
Run by
Cardenal Herrera University
See details and how to joinNCT07309094
No phaseNot yet taking people in Spain
Muscle Quality and Subcutaneous Adipose Tissue in the Rectus Femoris and Rectus Abdominis Muscles: Ultrasound Evaluation and Functional Correlation in Older Adults
Where
Salamanca
Age
65 years and over
People
150
Run by
University of Salamanca
See details and how to joinNCT07069777
No phaseEnrolling by invitation
Relationship Between Eating Patterns, Body Composition and the Detection of Fatty Liver in Children and Adolescents With Trisomy 21: LiverTy Project
Where
Madrid
Age
5 years to 22 years
People
34
Run by
IMDEA Food
See details and how to joinNCT06888570
No phaseTaking people
Modulation of the Inflammatory Response in Bariatric Surgery
Where
Barcelona
Age
18 years to 65 years
People
90
Run by
Hospital HM Nou Delfos
See details and how to joinNCT06915558
No phaseTaking people
Integrated Multi-omics Data for Personalized Treatment of Obesity-associated Fatty Liver Disease
Where
Reus
Age
18 years and over
People
1,104
Run by
Institut Investigacio Sanitaria Pere Virgili
See details and how to joinNCT05554224
No phaseTaking people
Global Research Initiative for Patients Screening on MASH
Where
Seville
Age
18 years to 75 years
People
10,000 worldwide
Run by
Julius Clinical
See details and how to joinNCT05651724
No phaseTaking people
Genetic Susceptibility to Predict Weight Loss After Bariatric Surgery
Where
Lleida
Age
18 years to 65 years
People
6,966
Run by
Institut de Recerca Biomèdica de Lleida
See details and how to joinNCT06226194
No phaseTaking people
The European NAFLD Registry
Where
Barcelona, Donostia / San Sebastian, Majadahonda, Santander, Seville, Valladolid
Age
18 years to 100 years
People
10,000 worldwide
Run by
Newcastle University
See details and how to joinNCT04442334