A 52-Week Multicenter Study Evaluating the Safety and Efficacy of Varenicline for the Maintenance of Smoking Cessation
Human Laboratory Study Of Varenicline in Smokers
Varenicline in Combination With Nicotine Replacement Therapy for Smoking Cessation
Trial Comparing Different Methods of Support With Stopping Smoking (PORTSSS/Stop Together Trial)
Evaluating a Telemedicine Smoking Cessation Program in Rural Primary Care Practices
† Study has passed its completion date and status has not been verified in more than two years.