Could a Two-Week radiation blast be enough for early breast cancer?

NCT ID NCT01203839

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This study tests a shorter radiation treatment (partial breast irradiation) for women with early-stage breast cancer or a pre-cancer called DCIS. Instead of treating the whole breast for 5-7 weeks, radiation is given only to the area where the tumor was removed, for just 2 weeks. The goal is to see if this approach is safe, has fewer side effects, and keeps the cancer from coming back in the same breast.

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm ductal breast carcinoma in situ invasive breast carcinoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Memorial Sloan Kettering Bergen (Follow-up Only)

    Montvale, New Jersey, 07645, United States

  • Memorial Sloan Kettering Cancer Center

    New York, New York, 10065, United States

  • Memorial Sloan Kettering Cancer Center @ Suffolk (Follow-up Only)

    Commack, New York, 11725, United States

  • Memorial Sloan Kettering Monmouth (Follow-up Only)

    Middletown, New Jersey, 07748, United States

  • Memorial Sloan Kettering Nassau

    Uniondale, New York, 11553, United States

  • Memorial Sloan Kettering Westchester (Follow-up Only)

    Harrison, New York, 10604, United States

  • Memorial Sloan Kettering at Basking Ridge (Follow-up Only)

    Basking Ridge, New Jersey, 07920, United States

  • Memorial Sloan Kettering at Mercy Medical Center (Follow-up Only)

    Rockville Centre, New York, United States