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ISRCTN
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ISRCTN80978588
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ClinicalTrials.gov identifier
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Public title
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Stop smoking with mobile phones
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Scientific title
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Acronym
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TXT2STOP
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Serial number at source
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Protocol Version 1; G0601639
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Study hypothesis
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TXT2STOP is a study for a trial of mobile phone text messaging as an aid to support smoking cessation in people in the UK.
The pilot study for this trial has been assigned to ISRCTN37111532 (see http://www.controlled-trials.com/ISRCTN37111532).
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Ethics approval
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Ethics approval received from the St Thomas' Hospital Research Ethics Committee on the 5th December 2006 (ref: 06/Q0702/169).
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Study design
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Randomised controlled trial
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Countries of recruitment
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United Kingdom
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Disease/condition/study domain
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Smoking
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Participants - inclusion criteria
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1. Aged 16 years and over
2. Currently smoking cigarettes daily and interested in quitting
3. Owner of a mobile phone and familiar with text messaging capabilities
4. Able to provide informed consent to participate in the study
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Participants - exclusion criteria
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Does not match inclusion criteria
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Anticipated start date
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30/03/2007
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Anticipated end date
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29/03/2010
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Status of trial
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Completed |
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Patient information material
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Participant information on https://www.txt2stop.org/participant_info.html
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Target number of participants
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5800 - closed to recruitment
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Interventions
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The intervention group will be encouraged to set a quit date within 14 days of randomisation. Five messages per day will be sent in the first five weeks after randomisation.
The control group will receive fortnightly messages on the most well know health dangers of smoking.
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Primary outcome measure(s)
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Self reported abstinence at six months post randomisation. Verified by salivary cotinine testing using a cut-off of 7 ng/ml of cotinine.
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Secondary outcome measure(s)
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1. At four weeks: point prevalence of smoking (as per National Health Service standard reporting)
2. At six months:
2.1. 28-day continuous abstinence
2.2. Involvement in any vehicle crashes (this is the only rare adverse health effects of using a mobile phone)
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Sources of funding
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Medical Research Council (MRC) (UK) (Grant ref no.: G0601639)
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Trial website
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http://www.txt2stop.org
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Publications
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2010 results in http://www.ncbi.nlm.nih.gov/pubmed/20484492
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Contact name
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Dr
Caroline
Free
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Address
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Nutrition and Public Health Research Interventions Unit
London School of Hygiene and Tropical Medicine
Keppel Street
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City/town
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London
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Zip/Postcode
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WC1E 7HT
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Country
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United Kingdom
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Tel
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+44 (0)20 7958 8109
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Fax
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+44 (0)20 7958 8111
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Email
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Caroline.Free@lshtm.ac.uk
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Sponsor
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London School of Hygiene and Tropical Medicine (UK)
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Address
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c/o Penny Ireland
Keppel Street
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City/town
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London
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Zip/Postcode
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WCIE 7HT
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Country
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United Kingdom
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Tel
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+44 (0)20 7927 2678
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Fax
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+44 (0)20 7580 5636
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Email
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Penny.Ireland@lshtm.ac.uk
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Sponsor website:
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http://www.lshtm.ac.uk
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Date applied
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17/04/2007
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Last edited
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06/08/2010
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Date ISRCTN assigned
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12/06/2007
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