While all three have some similarities in their mechanisms of action, potency, and potential outcomes from a clinical perspective, they also have some significant differences in terms of selectivity and side effects
Have tried to lose weight through diet and exercise but have not achieved significant weight loss
This medication not only helps with weight loss but also addresses underlying metabolic conditions that can make losing weight more difficult
Motta, Arch
For instance, in September 2025, Pfizer announced plans to acquire Metsera, entering into a definitive agreement
Heart Rate Changes and Metabolic Changes A notable finding in retatrutide trials is a modest increase in resting heart rate, approximately 5 to 10 beats per minute, observed during treatment, peaking around week 24 before tapering