NICOTINE DEPENDENCE

This study tested whether offering smokers more frequent and personalized outreach, plus more treatment choices like nicotine patches and text support, helps more people quit compared to standard care. Over 12,000 adult smokers from 10 primary care clinics took part. The goal was…

This study tested different ways to help daily smokers quit by comparing two medications (varenicline and nicotine patches/lozenges), how long to take them before quitting, how long to continue after quitting, and the level of counseling. Over 500 smokers from primary care partic…

This study tests whether a 15-week aerobic exercise program at the YMCA can help smokers who are highly sensitive to stress quit smoking. Participants work with a personal trainer three times a week and also receive support from a national quitline. The goal is to see if exercise…

This study looked at whether e-cigarettes or nicotine lozenges help people on methadone switch from smoking tobacco. 183 smokers were randomly assigned to use either JUUL e-cigarettes or nicotine lozenges for 6 weeks. Researchers measured nicotine exposure, lung function, and smo…

This study looked at whether switching from regular cigarettes to either low or high wattage e-cigarettes changes smoking behavior and reduces exposure to harmful chemicals. 372 daily smokers who were not planning to quit were given e-cigarettes to use freely for 12 weeks, then c…

This pilot study looked at whether giving free e-cigarettes to smokers who hadn't quit after lung cancer screening could help them smoke fewer regular cigarettes. Fifteen people who smoked at least 5 cigarettes a day were given NJOY ACE e-cigarettes for 4 weeks and asked to switc…

This study tested whether topiramate, a seizure medication, can help people who are dependent on both alcohol and nicotine. 236 adults received either a low or high dose of topiramate or a placebo, plus behavioral therapy. The goal was to see if the drug could reduce heavy drinki…

This study tested whether a computer joystick task that trains people to avoid smoking-related images can help them quit smoking when added to standard care. 96 daily smokers who wanted to quit participated. The training aimed to change automatic, unconscious tendencies to approa…

This study investigates whether an 8-week yoga program can help female smokers manage stress and nicotine withdrawal when trying to quit. Participants attend two 60-minute yoga sessions per week and provide hair and saliva samples to measure stress hormones. The goal is to see if…

This study tested whether a drug called isradipine, combined with virtual reality scenes of smoking, could lower cigarette cravings. 78 daily smokers took part. The goal was to see if this approach could help people quit smoking by reducing their urge to smoke when faced with tri…

This study tested a 9-session program that uses cognitive-behavioral techniques to help people living with HIV quit smoking by reducing anxiety and depression. 131 daily smokers who were motivated to quit took part. The goal was to see if the program led to more people staying sm…

This study tested whether inhaling lemongrass (as a vapor or from an inhaler) could reduce nicotine dependence and improve health markers in 200 adult smokers aged 18–30. Participants used lemongrass products or nothing (control) and provided blood samples and questionnaires. The…

This study aims to create and improve cognitive tasks used during functional MRI scans to better understand how drugs affect the brain. It involves 525 healthy volunteers, including both drug users and non-users, aged 18 to 65. Participants perform tasks like memory tests or reac…

This study looked at how nicotine affects brain activity and genes in smokers and non-smokers. Researchers used brain scans and genetic tests to understand why some people find it harder to quit smoking. The goal was to find biological markers that could predict quitting success …

This study from Yale University looked at how menthol flavor in e-cigarettes affects smoking behavior and nicotine levels in people who smoke menthol cigarettes. Fourteen adult smokers participated in lab sessions where they used e-cigarettes with menthol or non-menthol flavor. R…

This completed early-phase study at Yale University tested how different doses and delivery rates of IV nicotine affect its abuse potential and its ability to reduce smoking urges. Twenty daily smokers received low and high doses of nicotine at various speeds. The goal was to bet…

This completed study examined how African American and white male smokers respond to stress and how that affects their smoking habits. Researchers used a psychological stress test and measured daily cortisol patterns to understand biological differences. The goal is to learn why …

This study combined brain imaging with real-world data from mobile devices to explore how addiction affects the brain. Researchers scanned the brains of 107 people with alcohol, cannabis, or nicotine dependence, along with healthy controls. They also tracked cravings and daily fu…

This study looked at how nicotine is absorbed and affects the body when using a standardized research e-cigarette compared to a person's usual brand e-cigarette. Thirty-two regular e-cigarette users participated in a crossover study where they used both types. Researchers measure…

This study tested two types of brain stimulation (TMS) in 90 people who smoke, half with schizophrenia and half without. The goal was to see if TMS could change brain connections and reduce nicotine cravings. Participants completed thinking tasks and reported their cravings befor…

This completed study looked at how nicotine salt-based vaping products compare to free-base nicotine e-liquids. Fifteen daily vapers tried different flavors and nicotine levels, and researchers measured nicotine levels in their blood and asked about harshness and satisfaction. Th…