Overall, preclinical and phase 1 data support that the primary mechanism for weight reduction by tirzepatide is regulation of appetite and decreases in food cravings and food intake, with increased lipid metabolism [76]
Th1 cells secrete IFN-, Th2 cells mainly produce IL-4, IL-5 and IL-13, while activated -T cells can rapidly release IL-17 and IFN- to regulate the immune response [150,151,152]
Obesity SURMOUNT-1 Trial In adults with obesity (without diabetes): Tirzepatide (15 mg) : 20.9% average body weight reduction over 72 weeks Semaglutide (2.4 mg) (based on STEP trials): ~14.9% average reduction STEP 5 Long-Term Results Semaglutide also demonstrated durable effects: At 104 weeks, patients maintained ~15% weight loss on semaglutide 2.4 mg (STEP 5) SELECT Trial Cardiovascular Benefit Semaglutide significantly reduced major adverse cardiovascular events by 20% in people with obesity and pre-existing heart diseaseindicating benefit beyond weight loss
Blood flow improves through the stimulation of angiogenic growth factors
The NIHR 'Be Part of Research' portal and ClinicalTrials.gov list current recruitment opportunities for investigational obesity studies