TOBACCO SMOKING

This study tests whether the drug nivolumab can reverse pre-cancerous spots in the lungs of heavy smokers or former smokers who are at high risk for lung cancer. Nineteen participants received the drug to see if their lung tissue improved over six months. The goal is to stop thes…

This study tests two methods to help people living with HIV in South Africa cut down on smoking: e-cigarettes or nicotine patches, plus text message support. About 106 daily smokers who own a mobile phone will take part. The goal is to see which approach works better and is more …

This study tests a program that combines counselling with nicotine replacement therapy (like gum or patches) to help e-cigarette users quit. 180 regular vapers will be randomly assigned to receive either counselling alone or counselling plus nicotine replacement. Researchers will…

This study looks at how different tobacco products, like cigarettes, e-cigarettes, and smokeless tobacco, affect the way skin wounds heal. Researchers will measure skin temperature, blood flow, and signs of inflammation in 60 participants, including a non-smoking group. The goal …

This study looks at what might happen if menthol cigarettes are banned. Researchers want to see if offering menthol or tobacco-flavored e-cigarettes helps people who smoke menthol cigarettes smoke less or switch completely. About 150 adult menthol smokers will take part to help u…