The Study
Once-Weekly Semaglutide in Persons with Obesity and Knee Osteoarthritis.
This study is like a fair test where people were randomly split into two groups: one got the real medicine (semaglutide) and the other got a fake one (placebo). Because it was done fairly and carefully, we can say the medicine likely caused the improvements in weight and knee pain.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
Some people who weigh a lot and have bad knee pain got a weekly shot for over a year. One group got a medicine called semaglutide, and the other got a fake shot. Everyone also got advice on moving more and eating less.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 567 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes, these changes are big enough that people would likely feel less pain and move easier in daily life.
- 2The semaglutide group lost 13.7% of their weight, while the other group lost only 3.2%.
- 3Their knee pain went down by 41.7 points compared to 27.5, and they could move better—up 12 points on a function test vs.
- 46.5.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
The New England journal of medicine
Year
2024
Authors
H. Bliddal, Harold E. Bays, S. Czernichow, Joanna Uddén Hemmingsson, J. Hjelmesæth, Thomas Hoffmann Morville, Anna Koroleva, Jesper Skov Neergaard, Patricia Vélez Sánchez, Sean Wharton, Alicja Wizert, L. E. Kristensen
Related Content
Videos (2)
Claims (3)
A weekly semaglutide shot helped people with obesity and knee pain from arthritis feel a lot better—much more than those who got a dummy shot.
People with obesity and knee arthritis who took a weekly semaglutide shot for over a year felt physically better than those who took a dummy shot — their ability to do everyday physical activities improved more, by about twice as much.
A weekly shot called semaglutide helped people with obesity and bad knee arthritis lose way more weight—about 13.7% of their body weight—compared to a fake shot that only led to 3.2% loss, and that weight loss might help their joint pain feel better.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.