Nicotine abstinence genotyping: assessing the impact on smoking cessation clinical trials

Nicotine abstinence genotyping: assessing the impact on smoking cessation clinical trials

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ABSTRACT Twin studies document substantial heritability for successful abstinence from smoking. A genome-wide association study has identified markers whose allele frequencies differ with


nominal _P_<0.005 in nicotine-dependent clinical trial participants who were successful vs unsuccessful in abstaining from smoking; many of these results are also supported by data from


two additional samples. More study is required to precisely determine the variance in quitting success that can be accounted for by the single-nucleotide polymorphisms that are currently


identified and to precisely classify individuals who may display varying degrees of genetic vs environmental effects into quitters or nonquitters. However, the data at hand do allow us to


model the effects of genotypic stratification in smoking cessation trials. We identify relationships between the costs of identifying and genotyping prospective trial participants vs the


costs of performing the clinical trials. We quantitate the increasing savings that result from genetically stratified designs as recruiting/genotyping costs go down and trial costs increase.


This model helps to define the circumstances in which genetically stratified designs may enhance power and reduce costs for smoking cessation clinical trials. Access through your


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BEING VIEWED BY OTHERS DEEP SEQUENCING OF CANDIDATE GENES IDENTIFIED 14 VARIANTS ASSOCIATED WITH SMOKING ABSTINENCE IN AN ETHNICALLY DIVERSE SAMPLE Article Open access 16 March 2024


EXPANDING THE GENETIC ARCHITECTURE OF NICOTINE DEPENDENCE AND ITS SHARED GENETICS WITH MULTIPLE TRAITS Article Open access 03 November 2020 GENOME-WIDE ASSOCIATION STUDY OF SMOKING


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  CAS  PubMed  Google Scholar  Download references ACKNOWLEDGEMENTS We acknowledge the support given by the NIH IRP (NIDA), DHSS, unrestricted support for studies of adult smoking cessation


to the Duke Center for Nicotine and Smoking Cessation Research from Philip Morris USA Inc. and advice on the article and statistical approaches from Dr Greg Samsa. AUTHOR INFORMATION AUTHORS


AND AFFILIATIONS * Molecular Neurobiology Branch, NIH-IRP, NIDA, Baltimore, MD, USA G R Uhl, T Drgon & C Johnson * Department of Psychiatry and Behavioral Sciences, Center for Nicotine


and Smoking Cessation Research, Duke University, Durham, NC, USA J E Rose Authors * G R Uhl View author publications You can also search for this author inPubMed Google Scholar * T Drgon


View author publications You can also search for this author inPubMed Google Scholar * C Johnson View author publications You can also search for this author inPubMed Google Scholar * J E


Rose View author publications You can also search for this author inPubMed Google Scholar CORRESPONDING AUTHOR Correspondence to G R Uhl. ADDITIONAL INFORMATION DUALITY OF INTEREST None


declared. RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Uhl, G., Drgon, T., Johnson, C. _et al._ Nicotine abstinence genotyping: assessing the impact


on smoking cessation clinical trials. _Pharmacogenomics J_ 9, 111–115 (2009). https://doi.org/10.1038/tpj.2008.10 Download citation * Received: 18 April 2007 * Revised: 21 May 2008 *


Accepted: 03 July 2008 * Published: 09 September 2008 * Issue Date: April 2009 * DOI: https://doi.org/10.1038/tpj.2008.10 SHARE THIS ARTICLE Anyone you share the following link with will be


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initiative KEYWORDS * clinical trial power * pharmacogenomics * pharmacogenetics * nicotine dependence * pharmacotherapies * addiction