Clinical trial Recruiting at 2 sites Interventional Ages 45 to 49 Women only

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

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

Run by Istituto Romagnolo per lo Studio dei Tumori Dino Amadori IRST S.r.l. IRCCS · NCT04590560 · Data updated 2026-11-12

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.

More Breast Cancer trials

Quick facts

Study typeInterventional
Ages45 Years to 49 Years
SexWomen only
Enrollment60000 (estimated)
SponsorIstituto Romagnolo per lo Studio dei Tumori Dino Amadori IRST S.r.l. IRCCS
Academic / other
Locations4 sites (Meldola (FC), FC and 3 other locations)
StatusRecruiting
StartedFebruary 6, 2020
Main results expectedFebruary 2026
Study endsFebruary 2026
Registry record updatedDecember 9, 2024
Trial IDNCT04590560 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

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

Probably 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.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

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.

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 gone: 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.

Who can join: the full rules

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 it's running

  • Irst Irccs
    Meldola (FC), Fc, Italy
    Recruiting
  • AUSL Romagna
    Forlì, Italy
    Recruiting
  • Istituto per lo studio, la prevenzione e la rete oncologica (ISPRO)
    Florence, Italy
    Not yet recruiting
  • AOU Città della Salute e della Scienza
    Torino, Italy
    Not yet recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.