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- Title
Relating Nicotine Plasma Concentration to Momentary Craving Across Four Nicotine Replacement Therapy Formulations.
- Authors
Germovsek, Eva; Hansson, Anna; Kjellsson, Maria C.; Perez Ruixo, Juan Jose; Westin, Åke; Soons, Paul A.; Vermeulen, An; Karlsson, Mats O.
- Abstract
Tobacco use is a major health concern. To assist smoking cessation, nicotine replacement therapy (NRT) is used to reduce nicotine craving. We quantitatively described the relationship between nicotine pharmacokinetics (PKs) from NRTs and momentary craving, linking two different pharmacodynamic (PD) scales for measuring craving. The dataset comprised retrospective data from 17 clinical studies and included 1,077 adult smokers with 39,802 craving observations from four formulations: lozenge, gum, mouth spray, and patch. A PK/PD model was developed that linked individual predicted nicotine concentrations with the categorical and visual analogue PD scales through a joint bounded integer model. A maximum effect model, accounting for acute tolerance development, successfully related nicotine concentrations to momentary craving. Results showed that all formulations were similarly effective in reducing craving, albeit with a fourfold lower potency for the patch. Women were found to have a higher maximal effect of nicotine to reduce craving, compared with men.
- Subjects
NICOTINE replacement therapy; NICOTINE; DESIRE; TOBACCO use; SMOKING cessation
- Publication
Clinical Pharmacology & Therapeutics, 2020, Vol 107, Issue 1, p238
- ISSN
0009-9236
- Publication type
Article
- DOI
10.1002/cpt.1595