The clinical data suggesting a possible association come from post-marketing surveillance data that have substantial risk for bias and do not control for important confounding variables
Groups that started at 2mg and escalated gradually reported fewer and milder GI side effects than groups that started at 4mg, even when both reached the same final dose
The IC50 value of truncated Ex4 is 0.6 nM compared to 1.0 nM for Ex4 and 1.6 nM for GLP-1 (Runge et al., 2008)
Team Blokes starts people out on a low dose, titrating up to limit negative side effects
Likewise, in June 2025, Biocon received regulatory approval in India for its injectable liraglutide in pre-filled pen and cartridge formats, expanding market access
Participants who received a weekly 12 mg dose of retatrutide for 80 weeks reduced their body weight by an average of 28.3%