How weight loss medication affects bone health in teenagers

Researchers want to understand how a class of weight loss medications called GLP-1 receptor agonists affects bone health in teenagers and young adults aged 12–21 with obesity. When people lose weight, they can sometimes lose bone density, which is especially concerning during the teenage years when bones are still growing and becoming stronger. This study will use advanced imaging to see whether this medication protects bone health during weight loss, or whether it causes the same bone problems that can happen after weight loss surgery.

Weight loss surgery in teenagers can lead to significant bone loss at a critical time when their skeletons are still developing. With more teenagers now using this medication for weight loss, doctors need to know whether this treatment is safer for bones than surgery—or whether it causes similar problems. The answers could help guide which treatment is best for young people with obesity.