Obesity trials in Spain

In Spain 110 Also abroad 1939

110 trials · From ClinicalTrials.gov and EU CTIS (euclinicaltrials.eu), checked 10 November 2026. Ask the study team whether a trial fits you.

No phaseTaking people
Impact of a Perioperative Physical Exercise and Respiratory Physiotherapy Program on the Patient Undergoing Bariatric Surgery
Where
Vigo
Age
18 years to 69 years
People
132
Run by
Fundacin Biomedica Galicia Sur
See details and how to joinNCT06987903
Phase 3Taking people
A Master Protocol to Investigate Efficacy and Safety of Elecoglipron in Participants With Obesity or Overweight With or Without T2DM
Where
A Coruña, Almería, Badalona, Barcelona, León, Madrid, Santander, Santiago de Compostela, Seville, Tarragona, Valencia
Age
18 years and over
People
4,500 worldwide
Run by
AstraZeneca
See details and how to joinNCT07667803
No phaseTaking people
Glycemic Variability After SASI Versus Roux-en-Y Gastric Bypass
Where
Seville
Age
18 years to 74 years
People
68
Run by
Hospitales Universitarios Virgen del Rocío
See details and how to joinNCT07872397
Phase 3Taking people
A Study to evaluate effect of AZD6234 in adult participants with Type 2 Diabetes Mellitus and obesity or overweight
Where
A Coruña, Alzira, Barcelona, Castilleja De La Cuesta, Ferrol, Lleida, Málaga, Oviedo, Segovia, Sevilla
Age
18 years and over
People
420 worldwide
Run by
AstraZeneca AB
See details and how to join2025-524616-11-00 · EU 2025-524616-11-00
Phase 3Taking people
AMAZE 4: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Obstructive Sleep Apnoea Treated With Positive Airway Pressure Lose Weight and Improve Sleep Apnoea
Where
Barcelona, Castilleja De La Cuesta, Guadalajara, Lleida, Logroño, Madrid, Pozuelo de Alarcón, Vitoria
Age
18 years and over
People
300 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07571109 · EU 2024-520443-16-00
Phase 3Not yet taking people in Spain
A Research Study to Look at How Well Zenagamtide Works Compared to Placebo in People With Established Atherosclerotic Cardiovascular Disease and Either Overweight or Obesity
Where
A Coruña, Barcelona, Boadilla del Monte, Cáceres, Córdoba, Granada, Huelva, Lleida, Madrid, Majadahonda, Málaga, Marbella, Murcia, Oviedo, Pamplona, Santander, Sevilla, Valencia, Valladolid, Vigo
Age
45 years to 64 years
People
8,500 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07861100 · EU 2026-525182-53-00
Phase 3Taking people
Maridebart Cafraglutide versus Placebo in Adult Participants with Obstructive Sleep Apnea on Positive Airway Pressure Therapy (MARITIME-OSA-1)
Where
A Coruna, Barcelona, Castilleja De La Cuesta, Madrid, Pozuelo de Alarcón
Age
18 years and over
People
115 worldwide
Run by
Amgen Inc.
See details and how to join2025-522703-14-00 · EU 2025-522703-14-00
Phase 3Not yet taking people in Spain
Impact of Semaglutide in Liver Transplant Candidates with Obesity (SOMAL Study): A Prospective Randomized Study.
Where
Murcia
Age
18 years and over
People
50
Run by
Fundacion Para La Formacion E Investigacion Sanitaria De La Region De Murcia
See details and how to join2026-526953-32-00 · EU 2026-526953-32-00
Phase 3Taking people
A Research Study on How Well Cagrilintide and CagriSema Work in Children and Adolescents With Excess Body Weight
Where
Barcelona, Esplugues de Llobregat, Sevilla
Age
8 years to 18 years
People
460 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07253285 · EU 2023-509176-42-00
Phase 3Taking people
A Research Study to Look at How Two Different Doses of CagriSema and One Dose of Semaglutide Help People Living With Obesity With or Without Type 2 Diabetes Lose Weight
Where
A Coruña, Antequera, Barcelona, Centelles, Fuenlabrada, Girona, Madrid, Málaga, Manresa, Valladolid
Age
18 years and over
People
2,500 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07564414 · EU 2025-522488-14-00
Phase 3Taking people
A Study of Tirzepatide in Adolescents With Obesity and Weight-Related Comorbidities (SURMOUNT-ADOLESCENTS-2)
Where
Barcelona, Córdoba, Madrid, Málaga, Valencia
Age
12 years to 17 years
People
300 worldwide
Run by
Eli Lilly and Company
See details and how to joinNCT06439277
No phaseEnrolling by invitation
Cities for Better Health Childhood Obesity Prevention Initiative
Where
Madrid
Age
6 years to 13 years
People
36,000 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT06855563
Phase 3Taking people
AMAZE 3: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Obstructive Sleep Apnoea Not Treated With Positive Airway Pressure Lose Weight and Improve Sleep Apnoea
Where
Barcelona, Castilleja De La Cuesta, Guadalajara, Lleida, Logroño, Madrid, Pozuelo de Alarcón, Vitoria
Age
18 years and over
People
300 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07571005 · EU 2024-520442-36-00
Phase 3Taking people
Research Study on How Well Oral Semaglutide Works for Weight Loss in Adults With Excess Body Weight
Where
Almería, Castilleja De La Cuesta, Ferrol, Fuenlabrada, Madrid, Santiago de Compostela, Sevilla
Age
18 years and over
People
450 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07770841 · EU 2025-524626-18-00
Phase 3Taking people
A trial to learn how safe elecoglipron is and how well it works in adults living with obesity or excess body weight with or without type 2 diabetes
Where
A Coruna, Almería, Badalona, Barcelona, Castilleja De La Cuesta, León, Madrid, Santander, Santiago de Compostela, Sevilla, Tarragona, Valencia
Age
18 years and over
People
1,010 worldwide
Run by
AstraZeneca AB
See details and how to join2025-524688-19-00 · EU 2025-524688-19-00
No phaseTaking people
Therapeutic Potential of a Synbiotic to Improve Mental Health in Subjects With Obesity.
Where
Valencia
Age
18 years to 65 years
People
120
Run by
Celia Bañuls
See details and how to joinNCT06901739
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
Phase 3Taking people
A Research Study to Look at How Well NNC0487-0111 Works Compared to Placebo in People With Heart Failure and Obesity
Where
A Coruna, A Coruña, Alcorcón, Antequera, Badalona, Barcelona, Bilbao, Girona, Granada, Jaén, Las Palmas De Gran Canaria, L'hospitalet De Llobregat, Lugo, Madrid, Majadahonda, Manises, Murcia, Sanlúcar de Barrameda, Sevilla, Valencia, Villamartín
Age
18 years and over
People
5,610 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07567001 · EU 2025-523717-29-00
Phase 3Taking people
AMAZE 6: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Knee Osteoarthritis Lose Weight and Reduce Pain
Where
A Coruna, Badalona, Ferrol, Madrid, Málaga, San Sebastián de los Reyes, Santander, Santiago De Compostela, Sevilla, Valencia
Age
18 years and over
People
400 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07509307 · EU 2024-520445-23-00
No phaseNot yet taking people in Spain
Polydextrose Functional Gummies for Weight Management in Adults With Overweight or Obesity
Where
Alcalá de Henares
Age
18 years to 70 years
People
96
Run by
Nutris We Care About You S.L.
See details and how to joinNCT07758387
No phaseTaking people
Evaluation of a Multicomponent Early Intervention for Childhood Obesity Prevention in Vulnerable Families
Where
Barcelona, Burgos, Palma de Mallorca, Seville
People
526
Run by
Helena Vall Roqué
See details and how to joinNCT07529704
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
Phase 4Taking people
Fibrosis Lessens After Metabolic Surgery
Where
Barcelona
Age
18 years to 75 years
People
120 worldwide
Run by
The Cleveland Clinic
See details and how to joinNCT06374875
No phaseTaking people
Dietary Approaches for the Management of Overweight and Obesity in Type 1 Diabetes
Where
Málaga
Age
18 years to 65 years
People
75
Run by
Fundación Pública Andaluza para la Investigación de Málaga en Biomedicina y Salud
See details and how to joinNCT07667504