Abstract
Objective: This study aimed to retrospectively evaluate real-life data from patients using nicotine oral spray (NOS) for smoking cessation, focusing on sociodemographic characteristics, treatment adherence, side-effect profile, spray-use patterns, and early cessation outcomes.
Methods: In this single-center retrospective study, the records of 110 patients prescribed NOS were reviewed; 72 patients who initiated treatment and attended follow-up were included in the analysis. Sociodemographic characteristics, Fagerström Test for Nicotine Dependence scores, smoking behaviors, spray-use amounts, and 3-month treatment outcomes were assessed.
Results: The mean age of the study population was 42.18±12.70 years, and 48.6% were female. Early cessation, failure, and relapse rates were 38.9%, 38.9%, and 22.2%, respectively. The overall side-effect rate was 26.3%, with the most common adverse events being throat irritation (35.3%), nausea (23.5%), and retrosternal burning (17.6%). A strong association was observed between side-effect occurrence and relapse (p=0.005), and 41.7% of those who discontinued treatment reported side effects (p=0.045). Education level was significantly associated with cessation success (p=0.039). Spray-use amount correlated with craving frequency (r=0.65, p<0.001) and daily cigarette consumption (r=0.42, p=0.004), but was not associated with cessation outcome.
Conclusion: NOS is effective in controlling smoking urges but does not independently determine cessation success. Side-effect development increases relapse risk, highlighting the importance of early side-effect management and correct usage training. These findings provide real-world evidence regarding the clinical role of NOS in smoking cessation.
Keywords: smoking, nicotine dependence, nicotine replacement therapy, nicotine oral spray
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