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Clinical trialNCT06960707RecruitingPhase 3Interventional

Two Versus One Week Breast Radiotherapy (RT)

SponsorWeill Medical College of Cornell UniversityEnrollment400Breast Cancer
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This study is comparing two different radiation therapy approaches for early breast cancer to see which one is better for patients. One group will receive radiation over one week (based on the FAST-FORWARD trial), and the other group will receive radiation over two weeks with an extra focused dose (called a "concomitant boost"). The study will look at how the treatments affect side effects, breast appearance, and cancer control in the breast. It also aims to find out if the two-week treatment does a better job at preventing cancer from coming back in the breast over the long term.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

3 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Brooklyn Methodist Hospital

    New York, New York, United States

    Hani Ashamalla, MD
    Recruiting
  • New York Presbyterian Hospital

    New York, New York, United States

    Steven DiBiase, MD
    Recruiting
  • New York-Presbyterian Weill Cornell Medical College

    New York, New York, United States

    Silvia C. Formenti, MD →
    Recruiting

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
29 Apr 2025
Primary completion
31 Dec 2030
Completion
31 Dec 2040
Last update posted
15 Jun 2026
Registered enrollment
400
Registry id
NCT06960707
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.