Does adding a return date to bowel screening letters increase test completion among people who have never taken part before in deprived areas?

Increasing CRC screening participation: evaluating the impact of suggested deadlines on test completion rates among 'never participants' in deprived areas of Northern Ireland

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN22312569

Enrollment

400

Registered

2026-03-25

Start date

2024-09-01

Completion date

Unknown

Last updated

2026-04-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bowel cancer screening Cancer

Interventions

The ‘Call/ Recall team’ will directly facilitate study recruitment, by identifying suitable participants for invitation. Invitation letters with suggested deadlines (dated 3 weeks from the invite) wil

Eligibility

Sex/Gender

All

Age

60 Years to 74 Years

Inclusion criteria

Inclusion criteria: 1. Aged 60–74 years (currently eligible for the Northern Ireland Bowel Cancer Screening Programme). 2. Registered with a postal address within the 10 most socio-economically deprived wards in Northern Ireland (as defined by PHA Health Intelligence analysis). 3. Classified as a “never responder” — defined as having previously been invited for bowel screening at least once and never having returned a completed test. 4. Eligible to receive a routine screening invitation during the study period. No additional distinguishing clinical characteristics are required, as this is embedded within routine population screening

Exclusion criteria

Exclusion criteria: Previously diagnosed bowel cancer

Countries

Northern Ireland, United Kingdom

Contacts

Public ContactEthna McFerran

e.mcferran@qub.ac.uk+44 (0)28 90972448

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Apr 17, 2026