except it does not contain nicotine) clinical trials

A Multicenter, Parallel group, Double-blind, Placebo-controlled, Randomized, Efficacy and Safety Study of Nicotine Freshmint Mouthspray in E-cigarette Users Willing to Quit

This study is testing if a nicotine mouth spray can help people who use e-cigarettes to stop vaping. It compares the spray to a dummy spray over a year to see how well it works and if it's safe.