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Clinical Trial Summary

Fifteen healthy smokers are given single doses of General Onyx 1 g portion snus and General White 1g portion snus, respectively, and one piece of Nicorette 4 mg chewing gum. Serial blood samples are drawn before (0), 2, 4, 8, 16, 24, 30, 45, 60 minutes, 1.5, 2, 4, 6 and 8 hours after administration for determination of nicotine. Mean + SD extracted dose of nicotine from each preparation will be estimated. The percentage extracted of the nicotine content will be calculated. Cmax and Tmax will be estimated. A comparison to Nicorette 4 mg chewing gum will be made. The dose absorbed into the systemic blood circulation (AUC) in relation to the dose following the 4 mg Nicorette chewing gum will be calculated. Self-reports of subjective effects will be obtained up to 30 minutes after the test product is administered using a 100 mm visual analogue scale (VAS) anchored with "not at all" to "extremely". Study hypothesis is that Cmax and AUC of Nicorette 4 mg chewing gum and Swedish snus are similar.


Clinical Trial Description

Fifteen healthy smokers are given single doses of General Onyx 1 g portion snus and General White 1g portion snus, respectively, and one piece of Nicorette 4 mg chewing gum. Serial blood samples are drawn before (0), 2, 4, 8, 16, 24, 30, 45, 60 minutes, 1.5, 2, 4, 6 and 8 hours after administration for determination of nicotine. Mean + SD extracted dose of nicotine from each preparation will be estimated. The percentage extracted of the nicotine content will be calculated. Cmax and Tmax will be estimated. A comparison to Nicorette 4 mg chewing gum will be made. The dose absorbed into the systemic blood circulation (AUC) in relation to the dose following the 4 mg Nicorette chewing gum will be calculated. Self-reports of subjective effects will be obtained up to 30 minutes after the test product is administered using a 100 mm visual analogue scale (VAS) anchored with "not at all" to "extremely".

The subjects are male and female smokers, smoking a minimum of 7 cigarettes per day. They should have no history of cardiac, kidney or hepatic disease, alcohol abuse or drug dependence. A physical examination including ECG and blood pressure should give no evidence of disease. No abnormalities should be found in a routine laboratory screening.

The subjects are requested not to smoke or to use any other form of nicotine containing products from 8 p.m. the day before each session until the last blood sample in each session. Previous experience has shown that subjects that have abstained from smoking for 12 hours have a plasma nicotine value of <4 ng/ml. A value >4 ng/ml prior to start of administration should lead to exclusion from statistical analysis. The subjects must be fasting overnight from 12 p.m. the day before each session. No food and drink are allowed from 15 minutes prior to and until 60 minutes after drug administration. ;


Study Design

Allocation: Randomized, Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Crossover Assignment, Masking: Single Blind (Subject), Primary Purpose: Basic Science


Related Conditions & MeSH terms


NCT number NCT01182129
Study type Interventional
Source Contract Research Organization el AB
Contact
Status Completed
Phase Phase 1/Phase 2
Start date March 2006
Completion date January 2007

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