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Eur J Clin Pharmacol. 1991;41(6):585-8.

Absolute bioavailability of nicotine applied to different nasal regions.

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Research and Development, Kabi Pharmacia AB, Helsingborg, Sweden.


The absolute bioavailability of nicotine administered nasally, as drops to the nasal conchae and nasal septum, and as a nasal spray, has been studied in eight healthy volunteers. Single nasal doses of 1 mg nicotine were given and plasma concentrations of nicotine were followed for 6 h. Compared to an intravenous infusion of nicotine, the bioavailability of the nasal administrations was 60 to 75%. The rate of absorption was fast, the maximum concentration being reached after about 10 min. In the present study, there was no significant difference in the rate or extent of absorption between the different nasal treatments.

[Indexed for MEDLINE]

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