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MiQuit Trial: Tailored Text Messages for Pregnant Women

U

University of Nottingham

Status

Completed

Conditions

Smoking
Pregnancy

Treatments

Behavioral: MiQuit

Study type

Interventional

Funder types

Other

Identifiers

NCT02043509
13113
13/EM/0427 (Other Identifier)

Details and patient eligibility

About

The overall aim of the study is to estimate the likely impact of the MiQuit text message based smoking cessation service for pregnant smokers and to establish robust estimates for the key factors which would be required in order to design a larger definitive trial of this intervention(MiQuit).

These key factors include: the range of recruitment rates in different centres; quit rates amongst participants; feasibility of assessing smoking status of participants in later pregnancy; and the likely effect of MiQuit when women are offered this in National Health Service (NHS) settings.

Full description

Epidemiological evidence indicates that smoking during pregnancy increases the risk of many pregnancy related complications and is associated with many adverse postnatal problems. Around 15% of women still smoke throughout their pregnancy; younger women and those from more deprived backgrounds are much more likely to smoke. Behavioural support, available through NHS Stop Smoking Services, is effective but only accessed by a minority of smokers with most trying to quit alone. For this large group, self-help interventions may be an effective alternative.

MiQuit is a 12 week tailored, self-help, text-message intervention developed for pregnant smokers. A pilot study found this was feasible and acceptable for recipients, thus if MiQuit could have such an impact in routine NHS care, its low cost would make it highly cost-effective.

Before MiQuit could be used in routine care, a definitive randomised controlled trial (RCT) would be needed but currently there is insufficient information to justify conducting this.

This pilot trial will investigate whether it is possible to evaluate MiQuit in a multi-centre RCT located within the NHS, using research network resources. This study will recruit 400 pregnant smokers who will be randomly allocated to either MiQuit or control, and will provide estimates for the parameters required for determining the necessary resources for a definitive trial. These include: the range of recruitment rates in different centres; quit rates amongst participants; feasibility of assessing smoking status of trial participants in later pregnancy and ascertainment rates obtained; and the likely effect of MiQuit when women are offered this in NHS settings.

Secondary objectives include; To estimate and model the likely effectiveness and cost effectiveness of MiQuit compared with usual care including a generic smoking cessation information leaflet; To document participants' use of MiQuit interactive features and of NHS cessation support; To assess the effect of MiQuit on social cognitive determinants of quitting smoking and; To explore participant views and experiences of using MiQuit.

The participants will be recruited before 25 weeks gestation when they attend NHS hospital clinics for routine antenatal ultrasound scans. Recruitment will take place in around 12 United Kingdom (UK) centres over a 12 month period. Follow-up will be via telephone at 1 month after randomization and again at week 36 gestation. The follow-up is over a 9 month period. If a participant reports they have stopped smoking, this "quit" will be validated with a exhaled Carbon Monoxide (CO) measurement and/or salivary cotinine measurement.

A small number of semi-structured telephone interviews will be carried out with a selection of participants from the MiQuit arm to explore their views and experience of the intervention.

Enrollment

407 patients

Sex

Female

Ages

16+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Pregnant and less than 25 weeks gestation
  • Smoking at least 5 cigarettes per day pre-pregnancy
  • Smoking at least 1 cigarette on a typical day during pregnancy
  • Aged 16 or over
  • Agrees to accept information to assist cessation
  • Has own or has primary use of a mobile phone
  • Familiar with sending and receiving text messages
  • Able to understand written English (text messages are in English only) and consent issues explained in English.
  • Able to give informed consent

Exclusion criteria

•Already enrolled in another text service to assist smoking cessation

Trial design

Primary purpose

Health Services Research

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

407 participants in 2 patient groups

MiQuit
Experimental group
Description:
12 weeks of MiQuit text support plus a standard NHS leaflet giving information and advice on stopping smoking in addition to usual care
Treatment:
Behavioral: MiQuit
Control
No Intervention group
Description:
Usual care plus the same standard NHS leaflet giving information and advice on stopping smoking

Trial contacts and locations

15

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Data sourced from clinicaltrials.gov

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