Smoking Cessation Clinical Trial
— 5A-QUIT-NOfficial title:
Organization of Smoking Cessation in Pregnant Women: Study of the Effectiveness, Transferability, Barriers and Facilitators of the Implementation of the 5A Strategy in French Context. A Cluster Randomized Controlled Trial in New Aquitaine.
The investigators are conducting a pragmatic cluster randomized trial in stepped-wedge of which objectives are to evaluate the effectiveness and the conditions of effectiveness of an organizational strategy for smoking cessation - 5A-QUIT-N - among pregnant women in New Aquitaine (NA), by using and optimizing existing resources
Status | Recruiting |
Enrollment | 4505 |
Est. completion date | May 31, 2026 |
Est. primary completion date | May 31, 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | In this research, there are 4 categories of research participants: - Healthcare professionals: the target of the 5A-QUIT-N intervention from whom data will be collected to meet the secondary objective of the effectiveness conditions. - Stakeholders: individuals involved in the implementation of the research and intervention from whom data will be collected to meet the secondary objective of the effectiveness conditions. - Women who have just given birth and who smoke tobacco in early pregnancy: indirect beneficiaries of the intervention, from whom data will be collected to meet the primary objective of effectiveness. - Co-parent (partner) of the new-born child of the woman who has just given birth included in the study Inclusion criteria for the intervention The inclusion criteria for the clusters are : - Territory of maternity attractiveness in New Aquitaine The inclusion criteria for care providers within the clusters are: - All institutions, structures and organizations and health professionals likely to participate in the follow-up of pregnant women - All institutions, structures and organizations and health professionals specializing in addictology or tobaccoology The inclusion criteria for pregnant women within the clusters are : - All pregnant women who have smoked tobacco (at least 2 times a week, for at least 1 week) during the pregnancy (including the period when she was unaware of the pregnancy) Inclusion criteria for the primary objective measures: The inclusion criteria for women are (for data collection): - Have given birth in a New Aquitaine maternity hospital, - Reside in New Aquitaine - To have been followed for the pregnancy in the territory of the maternity of delivery - To have used tobacco during (at least 2 times a week, for at least 1 week) the pregnancy (including the period when she was unaware of the pregnancy) - Be over 18 - Have given free, informed and express consent - Exclusion criteria: Non-inclusion criteria for the intervention Cluster non-inclusion criteria: - Pilot territory (territory of attractiveness of the Arcachon maternity hospital) - Impossibility of collecting the main judgment criterion in the cluster Within these clusters, the health care providers and the pregnant women are all concerned and therefore do not have any non-inclusion criteria. Non-inclusion criteria of measures for the primary objective: The criteria for non-inclusion of women who have just given birth are: - Not speaking French, - Have COVID during delivery - Use only electronic cigarettes, - Under legal protection (guardianship, curatorship, safeguard of justice) - Women giving birth under X - Women giving birth to a stillborn baby - Women having made a denial of pregnancy - Women who have their child in neonatal intensive care - Women who have been fully monitored for their pregnancy outside of New Aquitaine |
Country | Name | City | State |
---|---|---|---|
France | CHU de Bordeaux, Hôpital Saint-André | Bordeaux |
Lead Sponsor | Collaborator |
---|---|
University Hospital, Bordeaux |
France,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Tobacco abstinence at delivery | The point prevalence of abstinence at delivery, which is the proportion of women reporting abstinence from smoking for at least 7 days at delivery. This criterion is well documented in the literature assessing tobacco use. It has the advantage of detecting the delayed effects of an intervention and can be easily extrapolated. | At delivery (smoking status of the previous 7 days) | |
Secondary | Average number of cigarettes smoked at inclusion | Average number of cigarettes smoked per day over the last 30 (or 7) days | At inclusion | |
Secondary | Average number of cigarettes smoked at postpartum | Average number of cigarettes smoked per day over the last 30 (or 7) days | 6 months and 1 year after delivery | |
Secondary | Attempts to reduce tobacco consumption | The number of attempts to reduce tobacco consumption (at least 1 cigarette) | 1 to 3 days after delivery | |
Secondary | Attempts to quit smoking | Number of attempts to quit smoking (at least 24 hours) | 1 to 3 days after delivery | |
Secondary | Continuous abstinence | Continuous abstinence (in number of days) | 1 to 3 days after delivery | |
Secondary | Birth weight | Birth weight (in kg) of the baby | At baby birth, up to 3 days after delivery | |
Secondary | Gestational age | Gestational age (in months) of the baby (at birth). | At baby birth, up to 3 days after delivery | |
Secondary | Sustainability of professional practices | Prevalence of completion of each A of the 5A approach evaluated on a subgroup of women who have just given birth at a distance from the deployment of the intervention (18 months) via the questionnaire | 18 months from the deployment of the intervention | |
Secondary | Sustainability of the impact on health | Prevalence of women smoking tobacco at delivery over the last 7 days via two sources: the computer systems of the maternity units that have this information systematically (non-exhaustive because not all maternity units in the New Aquitaine region have a computer system) and on a sub-group of women who have just given birth | 18 months from the deployment of the intervention | |
Secondary | Postpartum relapse rate at 6 months | Relapse rate among women who quit smoking during pregnancy at 6 and 12 months postpartum defined as a resumption of at least 7 consecutive days of smoking in the past 6 months. | At 6 months postpartum | |
Secondary | Postpartum relapse rate at 12 months | Relapse rate among women who quit smoking during pregnancy at 6 and 12 months postpartum defined as a resumption of at least 7 consecutive days of smoking in the past 6 months. | At 12 months postpartum | |
Secondary | Continued abstinence | Continued abstinence (in number of days) | 6 months and 1 year after delivery | |
Secondary | Implementation of intervention | Barriers and levers to implementation in professionals | Through study completion, an average of 3 years | |
Secondary | Conditions of transferability | Conditions of transferability linked to the characteristics of the stakeholders and the context: contextual conditions for success within the centres, the characteristics of professionals and patients influencing outcomes | Through study completion, an average of 3 years | |
Secondary | Viability | Assessment of intervention deployment in a real-world setting, using 5 criteria: utility, affordability, evaluability, adaptability and acceptability.
"Utility" dimension (as a complement to the secondary criteria) of viability through the recovery mechanisms identified as successful mental health recovery Affordability for professionals and beneficiaries (financial, geographical, social and cultural levers and brakes of the intervention) Evaluability of 5A-QUIT-N: carrying out this evaluation, the availability of professionals and beneficiaries to answer questionnaires and interviews, missing data in the questionnaires etc. Adaptability of 5A-QUIT-N: integration of the action into the context and the current organisation of the centres Acceptability of 5A-QUIT-N: by professionals and beneficiaries |
Through study completion, an average of 3 years |
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