Table 1.
Medication | Mechanism of action | Efficacy |
---|---|---|
Orlistat | Gastrointestinal lipase inhibitor; prevents digestion of ~30% of ingested triacylglycerides. | 60 mg, −2.5 kg (−1.5 to −3.5)a, 120 mg, −3.4 kg (−3.2 to −3.6)a, 75 |
Lorcaserin | Selective serotonin 2C (5-HT2C) receptor antagonist to reduce appetite.92 | 10 mg, −3.6%b, 93 |
Phentermine/Topiramate | Noradrenergic and GABA receptor activator; AMPK/KA receptor antagonist causing suppressed appetite. | 7.5 mg/46 mg, −6.6%b, 94 15 mg/92 mg, −8.6 to −9.3%b, 95 |
Bupriopion/Naltrexone | Dopamine and norepinephrine reuptake inhibitor; opioid receptor antagonist | 360 mg/32 mg, −6.1%b, 96 |
Liraglutide | GLP-1 receptor agonist97 | 3 mg, −8%b, 98 |
Values indicate 1–7 weight change relative to placebo, Mean (95% CI), kg
Percentages indicate placebo-subtracted weight loss