Table 2.
Publication/ClinicalTrials.gov ID | Clinical population | Outcome measures | GLP-1R agonist | Study length | Results/Study status |
---|---|---|---|---|---|
Lengsfeld et al. [129] | 255 smokers 18–75 y/o with at least moderate nicotine dependence (n = 128 placebo + varenicline, n = 127 dulaglutide + varenicline) |
Smoking abstinence Craving for smoking Body weight change HbA1c levels | Dulaglutide (1.5 mg weekly) or placebo in addition to smoking cessation counseling and oral varenicline (2 mg/daily) | 12 weeks | No effect on abstinence or craving Reduced post-cessation body weight gain Decreased HbA1c levels |
Yammine et al. [128] | 84 treatment-seeking smokers 18–75 y/o with prediabetes and/or overweight (n = 41 placebo + NRT, n = 41 exenatide + NRT) |
Smoking abstinence Craving for smoking Self-reported withdrawal Body weight change | Extended-release exenatide (2 mg weekly) or placebo in addition to smoking cessation counseling and NRT (21 mg/daily) | 6 weeks | Increased abstinence Decreased craving Decreased withdrawal Reduced post-cessation body weight gain |
NCT03712098 | 40 treatment-seeking smokers 18 y/o and older with overweight and obesity | Smoking abstinence Body weight change Calories per day | Liraglutide (escalating doses of 0.6–3.0 mg weekly) or placebo in addition to smoking cessation counseling | 32 weeks | Study completed, results not yet published |
NCT05530577 | Treatment-seeking smokers 21–65 y/o with at least moderate nicotine dependence | Nicotine self-administration Reinstatement of nicotine seeking Daily cigarette smoking Craving for and subjective responses to smoking Body weight change HbA1c levels | Semaglutide (escalating doses of 0.25–1.0 mg weekly) | 10 weeks | Currently recruiting |
NCT05610800 | Treatment-seeking smokers 18–75 y/o with prediabetes and/or overweight | Smoking abstinence Body weight change Neural responses to visual stimuli | Extended-release exenatide (2 mg weekly) or placebo in addition to smoking cessation counseling and NRT (de-escalating doses of 21–7 mg/daily) | 14 weeks | Currently recruiting |
NCT06173778 | Treatment-seeking smokers 18–75 y/o with prediabetes and/or overweight | Body weight change Body fat mass change Waist circumference change | Semaglutide (escalating doses of 0.24–2.4 mg weekly) in addition to smoking cessation counseling and NRT (de-escalating doses of 21–7 mg/daily) | 28 weeks | Not yet recruiting |
y/o = years old; NRT = nicotine replacement therapy.