E-CIGARETTE USE

This study tests whether the medication varenicline can help adults quit using e-cigarettes. Researchers will compare varenicline to a placebo in 326 people who vape daily. The main goal is to see if more participants can stop vaping for at least a week by the 12-week mark, with …

This study aims to develop and test a culturally grounded program to prevent e-cigarette use among rural Hawaiian youth in grades 6-8. Researchers will work with students to identify situations that lead to vaping, then create classroom lessons, social media content, and a print …

This study is adapting a proven counseling program to help young adults (ages 18-30) quit e-cigarettes. Researchers will first explore what makes it hard to quit and what helps, then test a video or phone-based version of the program with 20 participants to see if it's easy to us…

This study tests whether a program where parents support each other, with help from trained parent coaches, can help teens ages 15-18 quit vaping. About 200 parent-teen pairs will take part. Some parents get the coaching program, while others receive no extra help during the stud…

This study looks at whether e-cigarettes or oral nicotine pouches can help people who smoke cigarettes cut down or switch completely. Two hundred adult smokers who have tried to quit before will be randomly assigned to use one of these products instead of cigarettes for six weeks…

This study looks at how setting a very-low-nicotine standard for cigarettes and changing prices of illegal cigarettes and e-cigarettes affects what people buy in a virtual marketplace. About 70 adult smokers and dual users of cigarettes and e-cigarettes will take part. The goal i…

This study looks at how vaping (using e-cigarettes) affects blood vessel health in young adults aged 18-24. Researchers will compare chronic vapers to non-users, measuring blood vessel function through a small skin test and blood samples. The goal is to understand if vaping harms…