This unique receptor activity makes tirzepatide a promising candidate for improving bone health in obesity and diabetes, through the positive effects of GIP, and potentially GLP-1, on bone metabolism
In comparison, the STEP-1 trial reported that 2.4mg/weekly semaglutide led to side effects in 89.7% of the subjects, with the most common complaints being [17]: Nausea (44.2% of subjects) Diarrhea (31.5%) Vomiting (24.8%) Constipation (23.4%) Dyspepsia (10.3%) Abdominal pain (10% Gallbladder-related events (2.6%) The majority of gastrointestinal reactions were of mild to moderate intensity, temporary, and resolved without needing a permanent halt in treatment
Obes Rev, 2025
Drug-Target Complex Belonging to the class B G-protein-coupled receptor, GLP-1R is a seven transmembrane protein receptor (Figure 3)
[PubMed | ClinicalTrials.gov | DOI] Take the Next Step If arthritis pain is limiting your life and excess weight is making it worse, tirzepatide offers a supported by clinical evidence path to significant weight loss that may meaningfully reduce your joint symptoms
It selectively triggers GH release from somatotroph cells while avoiding significant stimulation of other anterior pituitary hormones such as prolactin, ACTH, and cortisol, distinguishing it from earlier GHRPs and making it the most selective GHRP-class compound characterised to date