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UKCCCR trial to study the effect on breast cancer mortality of annual mammographic screening starting at age 40

UKCCCR trial to study the effect on breast cancer mortality of annual mammographic screening starting at age 40

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN24647151
Enrollment
160000
Registered
2000-04-06
Start date
1990-07-30
Completion date
Unknown
Last updated
2020-08-31

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

Conditions

Breast cancer Cancer Breast cancer

Interventions

Women in the intervention group are offered annual screening by mammography until the year of their 48th birthday. Screening is by 2-view mammography at 1st screen and single view subsequently. All

Sponsors

Medical Research Council (MRC) (UK)
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: Women aged 40-41 identified from Health Authorities registers

Exclusion criteria

Exclusion criteria: Women under care for breast cancer may be removed from the prior notification list by the GPs prior to randomisation

Design outcomes

Primary

MeasureTime frame
Deaths from breast cancer in women free of the disease at trial entry in the two groups. Information on prognostic factors of all breast cancers is also collected.

Secondary

MeasureTime frame
Not provided at time of registration

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Apr 8, 2026