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OncoMatch/Clinical Trials/NCT04084730

Study of 3-Day Partial Breast Radiation Therapy in Women With Breast Cancer

Is NCT04084730 recruiting? Yes, currently enrolling (May 2026). This Phase 2 trial studies non-drug interventions for invasive ductal breast carcinoma.

Phase 2RecruitingMemorial Sloan Kettering Cancer CenterNCT04084730Data as of May 2026

The purpose of this study is to determine if the dose of radiation therapy that is effective in producing a treatment response, delivered over a shorter treatment period, is a safe approach that causes few or mild side effects in women with newly diagnosed breast cancer or DCIS who have had a lumpectomy procedure.

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Extracted eligibility criteria

Cancer type

Breast Carcinoma

Biomarker criteria

Required: ESR1 positive

estrogen-receptor positive (ER+)

Excluded: BRCA1 mutation

if a patient is tested and is found to be a mutation carrier, she would be excluded from the study

Excluded: BRCA2 mutation

if a patient is tested and is found to be a mutation carrier, she would be excluded from the study

Disease stage

Required: Stage I

Performance status

ECOG 0–1(Restricted strenuous activity)

Prior therapy

Cannot have received: radiation therapy

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • Norwalk Hospital · Norwalk, Connecticut
  • Baptist Alliance Miami Cancer Institute · Miami, Florida
  • Memorial Sloan Kettering Basking Ridge · Basking Ridge, New Jersey
  • Memorial Sloan Kettering Monmouth · Middletown, New Jersey
  • Memorial Sloan Kettering Bergen · Montvale, New Jersey

Showing up to 5 US sites. See all sites on ClinicalTrials.gov →

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