TOBACCO DEPENDENCE

This study tests whether cannabidiol (CBD), a compound from hemp, can help people who want to quit smoking reduce their cigarette use. 120 adults with tobacco use disorder will receive either CBD or a placebo twice daily for 56 days. Researchers will measure nicotine levels and c…

This study tests a new program to help people quit smoking by teaching them how to handle withdrawal symptoms and negative feelings. Researchers will enroll 400 adult smokers who want to quit. The goal is to see if this training helps more people stay smoke-free compared to stand…

This pilot study tests a new way to help adults aged 50 and older quit smoking. Participants interact with a virtual counselor on a computer, receive nicotine patches and gum or lozenges, and get support from a community health worker who also helps them schedule lung cancer scre…

This study tests whether giving e-cigarettes to smokers with mental illness—along with optional behavioral coaching—helps them switch from regular cigarettes and lower their exposure to harmful chemicals. The trial enrolls 250 daily smokers who have tried to quit before but aren'…

This study tests whether nicotine replacement therapy (patches, gum, or lozenges) plus wellness coaching over the phone can help people experiencing homelessness quit smoking. Researchers will enroll 150 adults in San Francisco and Los Angeles who smoke at least 5 cigarettes a da…

This study tests whether nicotine pouches can help smokers reduce their cigarette use. 375 smokers who smoke at least 5 cigarettes a day will be given different strengths and flavors of nicotine pouches to use for 16 weeks. Researchers will measure changes in cigarette smoking an…

This study tests whether yoga can lower tobacco cravings in men aged 18-65 who want to quit. 96 participants will either do low-impact yoga or receive standard quitting advice. Researchers will measure cravings and relapse over three months to see if yoga is a helpful addition.

This study tests whether semaglutide, a drug used for diabetes, can help people with type 2 diabetes quit smoking. About 100 adults in Ontario who smoke at least 5 cigarettes daily will receive the drug alongside nicotine replacement therapy. The main goal is to see if a larger s…

This study tests whether a daily oral dose of cannabidiol (CBD) can help people stop smoking tobacco. Fifty adults who smoke more than 10 cigarettes a day and want to quit will take CBD during several practice quit attempts. The goal is to see if CBD increases short-term abstinen…

This study tests whether a non-invasive brain stimulation technique called tDCS can reduce cravings in people addicted to nicotine. One hundred daily smokers who are highly dependent will receive tDCS sessions. The goal is to see if this painless, mild electrical stimulation can …