Could a Nicotine-Free cigarette break the habit?
Disease control
Not yet recruiting
This trial tests whether switching to cigarettes with very low nicotine content can reduce how much people smoke and their nicotine exposure. Adult daily smokers in South Korea will be randomly assigned to either very low nicotine or normal nicotine cigarettes for 12 weeks. Resea…
Phase: NA • Sponsor: Sung-il Cho • Aim: Disease control
Last updated Aug 12, 2026 00:00 UTC