Evaluating the Comparative Pharmacokinetics of Nicotine After Administration Via JUUL or Tobacco Cigarettes

This is an observational, crossover design that will examine the pharmacokinetics and pharmacodynamics of impact of smoking tobacco cigarettes or vaping the JUUL electronic cigarette.

The goal of this study is to better understand the pharmacokinetic and pharmacodynamics responses produced by the JUUL e-cigarette, compared to tobacco cigarettes, in e-cigarette and tobacco cigarette smokers. Specific Aim #1- To categorize the nicotine pharmacokinetic (PK) profile (maximum plasma concentration; time to maximum plasma concentration and area under the concentration-time curve) and compare when using the JUUL e-cigarette vs. a tobacco cigarette in a standardized manner. Specific Aim #2- To categorize the nicotine PK profile (maximum plasma concentration; time to maximum plasma concentration and area under the concentration-time curve(AUC)) and compare when using the JUUL e-cigarette vs a tobacco cigarette when using the product ad libitum. Specific Aim #3- To evaluate various outcomes following JUUL e-cigarette or tobacco cigarette use, both with standardized and ad lib use including: heart rate, plasma catecholamines, pulmonary function testing. Specific Aim #4- To evaluate and compare the effects on craving, reward and satisfaction when using the JUUL e-cigarette vs. tobacco cigarette.