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Open Access Study protocol

Genetic test to stop smoking (GeTSS) trial protocol: randomised controlled trial of a genetic test (Respiragene) and Auckland formula to assess lung cancer risk

John AA Nichols1*, Paul Grob1, Simon de Lusignan1, Wendy Kite2 and Peter Williams3

Author Affiliations

1 Department of Health Care Management and Policy, University of Surrey, Guildford, Surrey GU2 7XH, UK

2 Smokefree Consultancy Ltd, 3 Peddlars Grove, Yateley, Hants GU46 6AS, UK

3 Departrment of Mathematics, University of Surrey, Guildford, Surrey GU27XH, UK

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BMC Pulmonary Medicine 2014, 14:77  doi:10.1186/1471-2466-14-77

Published: 1 May 2014

Abstract

Background

A gene-based estimate of lung cancer risk in smokers has been shown to act as a smoking cessation motivator in hospital recruited subjects. The objective of this trial is to determine if this motivator is as effective in subjects recruited from an NHS primary care unit.

Method/Design

Subjects will be recruited by mailings using smoking entries on the GP electronic data-base (total practice population = 32,048) to identify smokers who may want to quit. Smoking cessation clinics based on medical centre premises will run for eight weeks. Clinics will be randomised to have the gene-based test for estimation of lung cancer risk or to act as controls groups. The primary endpoint will be smoking cessation at eight weeks and six months. Secondary outcomes will include ranking of the gene-based test with other smoking cessation motivators.

Discussion

The results will inform as to whether the gene-based test is both effective as motivator and acceptable to subjects recruited from primary care.

Trial registration

Registered with Clinical Trials.gov, Registration number: NCT01176383.

Keywords:
Smoking cessation; Genetic test; Lung cancer