Table 2.
Agent | Comparator(s) | Trial population | Trial duration | Energy intakea | Meal duration | Appetite | Satiety | Hunger | Food preference | 1-h gastric emptying |
---|---|---|---|---|---|---|---|---|---|---|
Liraglutide 1.8 mg and 3.0 mgb [25] | Placebo | Individuals with obesity but without diabetes | Two treatment periods of 5 weeks with a 6–8-week washout period in between | Reduced by 16% vs. placebo(p = 0.003) | NR | Reduced vs. placebo (p = 0.0003) | Reduced vs. placebo (p = 0.002) | Reduced vs. placebo (p = 0.01) | NR | 23% lower vs. placebo (p = 0.007) |
Semaglutide 1.0 mg [26] | Placebo | Individuals with obesity but without diabetes | 12 weeks | Reduced by approx. 35% vs. placebo (p < 0.0001) | Shorter vs. placebo (p = 0.0018) | Reduced vs. placebo (p = 0.0023) | Increased (NS) | Reduced (NS) | Lower preference for high-fat and non-sweet foods vs. placebo (p = 0.0016) | 27% lower vs. placebo (p = 0.0012) [27] |
Semaglutide 2.4 mg [33] | Placebo | Individuals with obesity but without diabetes | 20 weeks | 35% lower vs. placebo (p < 0.0001) | NR | Reduced vs. placebo (p = 0.001) | Increased vs. placebo (p < 0.02) | Reduced vs. placebo (p < 0.02) | Reduced cravings for savory food (p < 0.02) | No clinically relevant effect vs. placebo |
EE energy expenditure, NR not reported, NS non-significant
aBased on results for ad libitum lunch
bResults are for liraglutide 3.0 mg