Determining the best screening interval for breast cancer in women aged 45-49 and 70-74

What is the Best Interval to Screen Women 45-49 and 70-74 for Breast Cancer

NA · Istituto Romagnolo per lo Studio dei Tumori Dino Amadori IRST S.r.l. IRCCS · NCT04590560

This study is trying to find the best timing for breast cancer screenings in women aged 45-49 and 70-74 to help improve recommendations for their care.

Quick facts

PhaseNA
Study typeInterventional
Enrollment60000 (estimated)
Ages45 Years to 49 Years
SexFemale
SponsorIstituto Romagnolo per lo Studio dei Tumori Dino Amadori IRST S.r.l. IRCCS (other)
Locations4 sites (Meldola (FC), FC and 3 other locations)
Trial IDNCT04590560 on ClinicalTrials.gov

What this trial studies

This Italian multicenter project aims to identify the optimal screening intervals for breast cancer in women aged 45-49 and 70-74. It includes a controlled, prospective randomized non-inferiority trial for younger women, a retrospective analysis for older women, and qualitative research to enhance communication strategies. The study addresses the uncertainty surrounding the effectiveness of mammography screening in these age groups, particularly in light of recent European guidelines. By comparing different screening intervals, the research seeks to provide clearer recommendations for breast cancer screening practices.

Who should consider this trial

Good fit: Ideal candidates are women aged 45-49 or 70-74 who are invited for their first or second mammography screening.

Not a fit: Patients who are pregnant, have a personal history of breast cancer, or are at high hereditary risk may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to more effective breast cancer screening protocols, potentially improving early detection and outcomes for women in these age groups.

How similar studies have performed: While there have been studies on breast cancer screening intervals, this particular approach focusing on these specific age groups and intervals is novel and has not been extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Women invited for their first or second mammography (45 or 46 y/o) presenting for screening;
2. Willingness and ability to comply with scheduled visits;
3. Written informed consent obtained prior to performing any protocol-related procedures.

Exclusion Criteria:

1. Pregnancy status;
2. Personal history of prior breast carcinoma, either invasive or ductal carcinoma in situ (DCIS) diagnosis;
3. Ascertained heredo-familial risk according to the standard family history used in screening programs;
4. Participation in another clinical trial on BC screening;
5. Inability to provide signed informed consent.

Where this trial is running

Meldola (FC), FC and 3 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Breast Cancer, Breast cancer, screening, diagnosis, mammography

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.