TOBACCO USE

This study is testing if a 6-month support program delivered through the Telegram messaging app can help people quit smoking after they've had a heart attack. About 142 adult smokers who use Telegram will be randomly assigned to receive either the chatbot program plus standard ca…

This study is creating and testing a new support program to help pregnant and postpartum people quit using tobacco and cannabis. Researchers will work with 25 participants to design activities that help them track their habits and manage mood. The goal is to help people quit duri…

This study aims to find the best way to help people living with HIV in Kenya quit smoking and cut back on heavy drinking. It will test a combination of intensive counseling and a medication called cytisine. The goal is to improve long-term health outcomes for 300 participants who…

This study aims to see if specially trained community health workers can help more people get screened for lung cancer. The workers will reach out to eligible patients, help them understand screening, offer smoking cessation support, and assist with scheduling. The goal is to fin…

This study aims to understand how addictive different heated tobacco products are. It will measure the feelings and nicotine levels in 40 adult smokers after they use these products, their own cigarettes, and nicotine gum. Participants will stay at a clinic for 10 days to test ea…

This study aims to measure how much nicotine enters the bloodstream when people use different types of electronic cigarettes (e-cigarettes). It will also ask participants how much they like each product. The study involves 40 generally healthy adult smokers who will stay at a cli…

This study aims to understand how addictive different e-cigarettes are compared to a person's usual cigarettes and nicotine gum. About 70 adult smokers will stay in a clinic for 10 days to try several e-cigarette products, their own cigarettes, and nicotine gum. Researchers will …

This study aims to understand how different flavors in cigarillos affect their appeal and smoking behavior among young adults. Researchers will recruit 300 participants aged 18-24 who currently smoke cigarillos to test various flavored products in a lab setting. The study will al…

This study aims to measure the levels of harmful, cell-damaging chemicals produced when cigarette smokers use little cigars. Researchers will enroll 50 daily cigarette smokers who have never used little cigars. Participants will try different little cigar products and their usual…