Comparative pharmacokinetic study of new oral nicotine replacement therapy products.

This study compares new oral Nicotine Replacement Therapy (NRT) products containing 2 and 4 mg nicotine with NiQuitin™ lozenge 2 mg and 4 mg, after 12 hours of nicotine abstinence, with respect to nicotine pharmacokinetics, during 12 hours after start of administration. Single doses of treatment A, B, C, and D are given once in the morning during separate treatment visits scheduled in a crossover setting with randomized treatment sequences, also including a fifth treatment visit with either treatment E or F. The study will include 104 healthy smokers between the ages of 19 and 50 years, who have been smoking at least 10 cigarettes daily during at least one year preceding inclusion. The study will be performed at two sites with 52 subjects at each site. Subjects and study personnel will be aware of which treatment is administered at a given visit.

Inclusion Criteria:

• Healthy subjects, smoking at least 10 cigarettes daily during at least one year preceding inclusion and BMI between 17.5 and 30.0 kg/m2.
• Female participants of child-bearing potential are required to use a medically acceptable means of birth control.
• A personally signed and dated informed consent document, indicating that the subject has been informed of all pertinent aspects of the study.

Exclusion Criteria:

• Pregnancy, lactation or intended pregnancy.
• Treatment with an investigational product or donation or loss of blood within 3 month preceding the first dose of study medication.