Association of Functional COMT Val108/Met Polymorphism With Smoking Cessation in Nicotine Replacement Therapy

The nicotine sublingual tablet is Smokers were recommended to use one or two tablets per hour, up to a maximum of 20 tablets per day. Subjects were advised to use the full treatment dose for 4 weeks. After this time-point, treatment could be tapered off up to the 8-week visit. During the next 4-week follow-up phase, no further medication was dispensed. Staff, who dispensed medications, were not involved in treating the subjects. During each patient visit, the importance of adequate dosing with study medication was emphasized. The medication was free of charge. In addition, all participants received six sessions of standardized behavioral group counseling focusing on self-monitoring and behavioral modification approaches.