Oral administration does not work: digestive enzymes destroy the peptide before absorption, leaving bioavailability below 5%
Ozempic was first approved in 2017 to treat type 2 diabetes, and Wegovy was approved to treat obesity in 2021
For example, reduction in BMI in obesity patients, caloric restriction, and illness are all associated with different thyroid function test (TFT) changes
(2024, July 29)
GLP-1 agonism: Emerging hypotheses and limitations While GLP-1 RAs hold therapeutic promise for increasing lifespan and reducing the morbidity of age-related illness through action on multiple organ systems, tissue-specific effects of GLP-1R agonism are possible
There are some potential biases in these data that we need to be cautious about, but this gives us some valuable insights about the risk profile of these agents that can inform subsequent studies perhaps even a randomized controlled trial that can tease out the specific mechanisms and provide more conclusive evidence. Reduced risk overall GLP-1 receptor agonists have been approved in the United States to treat diabetes since 2005 and obesity since 2014