Obesity trials in Belgium

In Belgium 38 Also abroad 1939

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

Phase 3Taking people
A Clinical Study to Evaluate the Effects of Enicepatide (RO7795068) in Participants With Obesity or Overweight Without Type 2 Diabetes
Where
Aalst, Anderlecht, Leuven, Liège, Roeselare
Age
18 years and over
People
2,000 worldwide
Run by
Hoffmann-La Roche
See details and how to joinNCT07351045 · EU 2025-523104-71-00
Phase 3Not yet taking people in Belgium
A Research Study to Investigate How Well the Medicine CagriSema Lowers High Blood Pressure in People Living With High Blood Pressure and Obesity
Where
Alken, Bonheiden, Genk, Ghent, Leuven, Mons
Age
18 years and over
People
1,408 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07919405
Phase 3Taking people
A Platform Trial for Pediatric Participants With Obesity or Overweight (LY900040)
Where
Brussels, Leuven
Age
6 years to 17 years
People
125 worldwide
Run by
Eli Lilly and Company
See details and how to joinNCT06672549
Phase 3Taking people
Mirikizumab Administered at the Same Time as Tirzepatide in Adult Participants With Moderately to Severely Active Ulcerative Colitis and Obesity or Overweight: Phase 3b Study
Where
Aalst, Brussels, Kortrijk, Leuven, Liège
Age
18 years to 70 years
People
350 worldwide
Run by
Eli Lilly and Company
See details and how to joinNCT06937086 · EU 2024-520209-38-00
Phase 3Taking people
Mirikizumab and Tirzepatide Administered in Adult Participants With Moderately to Severely Active Crohn's Disease and Obesity or Overweight
Where
Aalst, Brussels, Kortrijk, Leuven, Liège
Age
18 years to 70 years
People
290 worldwide
Run by
Eli Lilly and Company
See details and how to joinNCT06937099 · EU 2024-520210-21-00
Phase 3Taking people
Efficacy and Safety of Eloralintide (LY3841136) in Participants With Osteoarthritis Knee Pain and Obesity or Overweight
Where
Genk, Gent, Kluisbergen, Leuven, Mechelen, Merksem, Sint-Martens-Latem
Age
18 years and over
People
900 worldwide
Run by
Eli Lilly and Company
See details and how to joinNCT07353931 · EU 2025-523768-19-00
Phase 3Taking people
A Study of Eloralintide (LY3841136) in Participants With Persistent Obesity Who Are Treated With a Weekly Incretin
Where
Brussels, Bruxelles-Capitale, Genk, Ieper, Kortrijk, Leuven, Mechelen, Ostend, Putte
Age
18 years and over
People
900 worldwide
Run by
Eli Lilly and Company
See details and how to joinNCT07392190 · EU 2025-523659-73-00
Phase 3Taking people
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)
Where
Brussels, Jette, Leuven
Age
6 years to 11 years
People
150 worldwide
Run by
Eli Lilly and Company
See details and how to joinNCT07817875 · EU 2025-522020-27-00
Phase 3Taking people
Maridebart Cafraglutide in Heart Failure With Preserved or Mildly Reduced Ejection Fraction and Obesity
Where
Aalst, Brussels, Dendermonde, Genk, Ghent, Hasselt, Herentals, Kortrijk, Leuven, Liège, Roeselare, Turnhout, Yvoir
Age
18 years to 99 years
People
5,056 worldwide
Run by
Amgen
See details and how to joinNCT07037459
Phase 3Taking people
Maridebart Cafraglutide in Heart Failure With Preserved or Mildly Reduced Ejection Fraction and Obesity (MARITIME-HF)
Where
Aalst, Dendermonde, Genk, Gent, Hasselt, Herentals, Jette, Kortrijk, Leuven, Liège, Roeselare, Turnhout, Yvoir
Age
18 years and over
People
2,787 worldwide
Run by
Amgen Inc.
See details and how to join2024-516654-22-00 · EU 2024-516654-22-00
Phase 4Taking people
A Neuropsychobiological Approach to Optimize Patient Selection for GLP-1-based Pharmacotherapy for Weight Management Across the Binge Eating Spectrum
Where
Leuven
Age
18 years to 65 years
People
96
Run by
Universitaire Ziekenhuizen KU Leuven
See details and how to joinNCT07870538
Phase 3Taking people
A Research Study on How Well Cagrilintide and CagriSema Work in Children and Adolescents With Excess Body Weight
Where
Edegem, Jette
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
Alken, Kluisbergen, La Louviere, Mechelen, Roeselare, Sint-Lambrechts-Woluwe
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
AMAZE 1: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight Lose Weight
Where
Anderlecht, Edegem, Gent, Leuven, Mechelen, Roeselare
Age
18 years and over
People
1,150 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07339423 · EU 2024-520440-42-00
Phase 3Taking people
A Study of Eloralintide (LY3841136) in Participants With Obesity, or Overweight Without Type 2 Diabetes
Where
Alken, Hasselt, Kluisbergen
Age
18 years and over
People
1,980 worldwide
Run by
Eli Lilly and Company
See details and how to joinNCT07321886 · EU 2025-523657-34-00
Phase 3Taking people
Research Study on How Well Oral Semaglutide Works for Weight Loss in Adults With Excess Body Weight
Where
Alken, Bonheiden, Gent, Jette, Kluisbergen
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
No phaseTaking people
Weight Reduction in CLBP
Where
Brussels
Age
18 years to 65 years
People
84 worldwide
Run by
Vrije Universiteit Brussel
See details and how to joinNCT04824248
No phaseTaking people
Lifestyle Intervention in Overweight/Obese Chronic Low Back Pain (CLBP) Patients: an International Multi-center RCT
Where
Brussels
Age
18 years to 65 years
People
252 worldwide
Run by
Vrije Universiteit Brussel
See details and how to joinNCT05811624
Phase 4Taking people
A neuropsychobiological approach to optimize patient selection for GLP-1-based pharmacotherapy for weight management across the binge eating spectrum
Where
Leuven
Age
18 years to 64 years
People
96
Run by
UZ Leuven
See details and how to join2026-526016-36-00 · EU 2026-526016-36-00
No phaseTaking people
Myokines as Potential Biomarkers and Drivers of Sarcopenia in Metabolic and Endocrine Diseases
Where
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe
Age
18 years and over
People
100
Run by
Cliniques universitaires Saint-Luc- Université Catholique de Louvain
See details and how to joinNCT07703683
No phaseNot yet taking people in Belgium
Ultrasound Assessment of Tongue Characteristics in Adolescents With Obesity and Obstructive Sleep Disorders
Where
Brussels, De Haan
Age
12 years to 18 years
People
80
Run by
Vrije Universiteit Brussel
See details and how to joinNCT07613944
No phaseTaking people
Predicting Weight Loss After Pharmacological or Surgical Treatment in Patients With Obesity
Where
Brussels
Age
18 years to 65 years
People
100
Run by
Université Catholique de Louvain
See details and how to joinNCT07402031
No phaseTaking people
Effects of Whole-Body High-Intensity Interval Training on Fitness in Overweight Adults
Where
Brussels
Age
18 years to 55 years
People
40
Run by
Université Libre de Bruxelles
See details and how to joinNCT07582718
No phaseTaking people
Ultrasound Assessment of Tongue Characteristics in Children and Adolescents With Obesity
Where
Brussels, De Haan
Age
6 years to 18 years
People
100
Run by
Haute Ecole Bruxelles-Brabant
See details and how to joinNCT07370350
No phaseTaking people
A Multicenter Retrospective Analysis of Postoperative Respiratory Complications in Children With Obstructive Sleepapnea
Where
Edegem
Age
1 year to 18 years
People
200 worldwide
Run by
University Hospital, Antwerp
See details and how to joinNCT07305168