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Personalised Behavioural Intervention in Cancer Screening Programmes
Sponsor: Fundació d'investigació Sanitària de les Illes Balears
Summary
The aim of this clinical trial is to find out whether CANVIA can help adults improve dietary and lifestyle habits related to cancer prevention. CANVIA is a personalised programme based on cancer prevention recommendations from the World Cancer Research Fund and the American Institute for Cancer Research (WCRF/AICR). The programme uses a short questionnaire, called the WCRF/AICR Screener, to give each participant personalised feedback. This study will include adults aged 50 to 69 years who take part in breast or colorectal cancer screening programmes in Palma, Mallorca, Spain. The study will assess whether participants can complete the CANVIA study procedures and use the programme for six months, whether the CANVIA app and, where applicable, the professional support are acceptable and easy to use, and whether there are early signs that CANVIA may help participants follow cancer prevention recommendations more closely. Before the pilot trial starts, a small first phase with about 20 to 30 participants will test the study procedures and the mobile app. After this, 132 participants will be assigned by chance to one of three groups. One group will receive only a personalised written report at the start of the study. A second group will use the CANVIA mobile app for six months. A third group will use the CANVIA mobile app and also receive support from health professionals for six months. Participants will complete study assessments at the start of the study, after three months and after six months. Participants in the app groups will receive personalised messages, educational resources and weekly goals or challenges. Some participants from the app groups will also be invited to take part in focus groups at the end of the study to share their experiences and suggestions.
Official title: Feasibility, Acceptability and Preliminary Efficacy of a Personalised Behavioural Intervention to Improve Adherence to Dietary and Lifestyle Cancer Prevention Recommendations in Adults Attending Breast and Colorectal Cancer Screening Programmes: A Three-Arm Randomised Pilot Trial (CANVIA)
Key Details
Gender
All
Age Range
50 Years - 69 Years
Study Type
INTERVENTIONAL
Enrollment
162
Start Date
2026-10-01
Completion Date
2028-05
Last Updated
2026-07-23
Healthy Volunteers
Yes
Conditions
Interventions
Personalised baseline feedback report
The personalised baseline feedback report consists of an individualised report provided at baseline, based on each participant's WCRF/AICR Screener responses. The report provides feedback on adherence to cancer prevention recommendations. In the control group, it is delivered as paper-based personalised recommendations and is the only active behavioural component delivered during the 6-month intervention period. In the active intervention arms, the corresponding baseline feedback is delivered through the mobile application.
CANVIA mobile app intervention
The CANVIA mobile app intervention consists of access to the active intervention module of the mobile application. The module includes tailored messages, educational resources, infographics, recipes, physical-activity resources, alcohol-related resources, general cancer-prevention information, and a weekly goal/challenge component. Delivery is organised over a 6-month period. Intervention intensity and target behaviours are tailored according to the WCRF/AICR Screener-based category and may be updated after the Month 3 reassessment.
Additional health professional support
Additional health professional support consists of structured contacts delivered in addition to the CANVIA mobile app intervention. Health professionals will receive training and a delivery guide to support standardised delivery and intervention fidelity. Support is tailored according to the WCRF/AICR Screener-based category and may be updated after the Month 3 reassessment. Contacts focus on reviewing personalised recommendations, supporting goal setting, monitoring progress, providing tailored feedback, identifying barriers and facilitators, reinforcing implemented changes, and adapting strategies where needed.
Locations (1)
Fundació Institut d'Investigació Sanitària Illes Balears
Palma de Mallorca, Balearic Islands, Spain