A community champion led breast cancer screening intervention for underserved groups

ISRCTN ISRCTN91970791
DOI https://doi.org/10.1186/ISRCTN91970791
IRAS number 348207
Secondary identifying numbers NIHR164908
Submission date
16/06/2025
Registration date
14/07/2025
Last edited
11/08/2025
Recruitment status
Not yet recruiting
Overall study status
Ongoing
Condition category
Cancer
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Background and study aims
Breast cancer affects 1 in 8 women during their lifetime, and early detection through screening can save lives. The NHS offers breast screening every three years to women aged 50 to 70, but not everyone attends. In London, only 56% of women go to their screening appointments, which is below the NHS target of 70%. Attendance is especially low among women from minority ethnic backgrounds and those living in less wealthy areas.
This study aims to improve screening attendance in Hounslow by working with trusted women from local communities—called “community champions.” These champions will share information and encourage women to attend their screenings.

Who can participate?
This study is focused on reaching women in Hounslow who are less likely to attend breast screening, especially those from minority ethnic backgrounds or lower-income areas. These women are not being asked to take part in a clinical trial, but they may be involved by receiving information or attending events.

What does the study involve?
If you’re part of the target group, you might see or hear messages about breast screening through leaflets, videos in different languages, bus stop adverts, or local radio. You might also hear from community champions at local events or through places like salons or faith groups. Some women may be asked to complete a short survey about whether they saw the materials and how they felt about them.

What are the possible benefits and risks of participating?
The main benefit is getting helpful, trusted information about breast screening, which could support you in making informed decisions about your health. There are no known risks to taking part in this study, as it only involves receiving information or answering a survey.

Where is the study run from?
Imperial College London (UK)

When is the study starting and how long is it expected to run for?
January 2025 to August 2026

Who is funding the study?
National Institute for Health and Care Research (NIHR) (UK).

Who is the main contact?
Gaby Judah, g.judah@imperial.ac.uk

Contact information

Dr Gaby Judah
Public, Scientific, Principal Investigator

St. Mary's Hospital
Praed Street
London
W2 1NY
United Kingdom

ORCiD logoORCID ID 0000-0003-3322-9760
Phone +44 7866530031
Email g.judah@imperial.ac.uk

Study information

Study designPragmatic non-randomized evaluation
Primary study designInterventional
Secondary study designNon randomised study
Study setting(s)Community
Study typeScreening
Participant information sheet 47494 Participant Information sheet (focus groups) GJ.pdf
Scientific titleA community champion led breast cancer screening intervention for underserved groups
Study objectivesBreast cancer is the most common cancer in the UK, affecting 1 in 8 women in their lifetime. Breast cancer screening (BCS) detects cancer at an earlier stage, when survival is greater, and is estimated to save 1,300 lives annually. However BCS attendance is falling, and particularly low in London (56% in 2023). There are inequalities in uptake: those from deprived areas and ethnic minority groups are less likely to attend. The study aims to test the impact of a community champions intervention on BCS uptake in underserved groups and wider population. We will measure exposure to the intervention and test whether exposure is associated with more positive attitudes towards screening, we will also assess cost-effectiveness.
Ethics approval(s)

Not yet submitted, Ethics committee name not provided (Address not provided, City not provided, Zip/postal code not provided; Telephone number not provided; not@provided.com), ref: Reference number not provided

Health condition(s) or problem(s) studiedBreast cancer screening
InterventionThe intervention will consist of a set of behavioural science informed, co-designed materials as an intervention package. These include a leaflet, animated video, wallet card, a poster, and bus stop adverts. These will be disseminated by a community engagement approach. The second element of the intervention is the Community Champion model. The way in which the intervention resources will be disseminated, is a key part of the intervention, as the Community Champion model helps to create trust in the information resources being shared. Additionally, community champions will receive training on commonly asked questions about BCS and will therefore be able to complement the intervention materials with further information and explanation.

Total duration is 12 months (6 months intervention, 6 months follow up) in intervention borough, and 12 months of data in the comparator boroughs.
Intervention typeBehavioural
Primary outcome measureUptake of BCS, within 3 months of initial invitation in general population - data from London Breast Screening Hub
Secondary outcome measuresUptake of BCS, within 3 months of initial invitation in low-uptake subgroups including women from areas of high deprivation (IMD1-3) and ethnic minority groups.
Overall study start date01/01/2025
Completion date01/08/2026

Eligibility

Participant type(s)Healthy volunteer, Patient
Age groupAdult
Lower age limit50 Years
Upper age limit70 Years
SexFemale
Target number of participants11,000
Key inclusion criteriaWomen in Hounslow (and comparator London boroughs) eligible for BCS invited for BCS during the intervention period.
Key exclusion criteriaWomen who are not in Hounslow (and comparator London boroughs) eligible for BCS invited for BCS during the intervention period.
Date of first enrolment01/10/2025
Date of final enrolment01/08/2026

Locations

Countries of recruitment

  • England
  • United Kingdom

Study participating centre

Hounslow Local Authority
TW3 3EB
United Kingdom

Sponsor information

Imperial College London
University/education

NIHR Coordinating Centre
Alpha House
Enterprise Road
Exhibition Road
London
SW7 2AZ
England
United Kingdom

Phone +44 (0)20 7589 5111
Email rgit@imperial.ac.uk
Website https://www.imperial.ac.uk/
ROR logo "ROR" https://ror.org/041kmwe10

Funders

Funder type

Government

National Institute for Health and Care Research
Government organisation / National government
Alternative name(s)
National Institute for Health Research, NIHR Research, NIHRresearch, NIHR - National Institute for Health Research, NIHR (The National Institute for Health and Care Research), NIHR
Location
United Kingdom

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryData sharing statement to be made available at a later date
Publication and dissemination planWe will produce at least 2 peer reviewed academic publications (e.g. in Implementation Science). One will be a protocol paper which describes the intervention package and evaluation plans. There will be at least one paper on outcomes, presenting the analysis of uptake, assessment of exposure to the intervention and uptake differences based on exposure, and the cost-effectiveness of the intervention. We will present at national and international conferences on the study protocol, and study findings, e.g. Lancet Public Health Science, CRUK Early Diagnosis, Health Services Research and European Health Psychology Society conferences.
IPD sharing planThe data sharing plans for the current study are unknown and will be made available at a later date

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Participant information sheet 17/06/2025 No Yes
Protocol file version 1 07/04/2025 17/06/2025 No No

Additional files

47494 Ethics protocol v1 07.04.2025.pdf
47494 Participant Information sheet (focus groups) GJ.pdf

Editorial Notes

11/08/2025: The date of first enrolment was changed from 01/08/2025 to 01/10/2025.
16/06/2025: Trial's existence confirmed by the National Institute for Health and Care Research (NIHR) (UK).