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Search / Trial NCT04852887

De-Escalation of Breast Radiation Trial for Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer (DEBRA)

Launched by NRG ONCOLOGY · Apr 20, 2021

Trial Information

Current as of July 24, 2025

Recruiting

Keywords

ClinConnect Summary

The DEBRA trial is a research study looking at a different approach to treating early-stage hormone-sensitive breast cancer. Specifically, it aims to find out if women who have had breast-conserving surgery and receive hormone therapy (called endocrine therapy) can have similar outcomes in terms of cancer recurrence as those who receive the same surgery and hormone therapy but also undergo radiation therapy. This is important because if the results show that radiation is not necessary for certain patients, it could lead to less intensive treatment options with fewer side effects.

To be eligible for this trial, participants must have been diagnosed with a specific type of early-stage breast cancer (Stage I) and meet criteria such as having had a lumpectomy with clear surgical margins and a low Oncotype DX Recurrence Score (18 or less), which helps assess the risk of cancer returning. Participants can be of any gender and must be willing to commit to hormone therapy for at least five years. The trial is currently recruiting participants, and those who join can expect to have regular follow-ups to monitor their health and outcomes over time. If you're considering participation, it's essential to discuss it with your doctor to see if it might be the right choice for you.

Gender

ALL

Eligibility criteria

  • Inclusion Criteria:
  • • The patient or a legally authorized representative must provide study-specific informed consent prior to pre-entry/Step 1 and, for patients treated in the U.S., authorization permitting release of personal health information.
  • The patient must have an ECOG performance status of 0 or 1.
  • The patient must have undergone a lumpectomy and the margins of the resected specimen or re-excision must be histologically free of invasive tumor and DCIS with no ink on tumor as determined by the local pathologist. If pathologic examination demonstrates tumor at the line of resection, additional excisions may be performed to obtain clear margins. (Patients with margins positive for LCIS are eligible without additional resection.)
  • The tumor must be unilateral invasive adenocarcinoma of the breast on histologic examination.
  • Patient must have undergone axillary staging (sentinel node biopsy and/or axillary node dissection).
  • * The following staging criteria must be met postoperatively according to AJCC 8th edition criteria:
  • By pathologic evaluation, primary tumor must be pT1 (less than or equal to 2 cm).
  • By pathologic evaluation, ipsilateral nodes must be pN0. (Patients with pathologic staging of pN0(i+) or pN0(mol+) are NOT eligible.)
  • Oncotype DX Recurrence Score of less than or equal to 18 on diagnostic core biopsy or resected specimen.
  • \*\* For patients with a T1a tumor (less than or equal to 0.5 cm in size) or patients at Canadian provinces or approved international sites where Oncotype DX Recurrence Score testing would not be covered, who do not already have an Oncotype DX Recurrence Score at pre-entry/Step 1, a specimen (unstained blocks or slides) must be sent to the Genomic Health centralized laboratory. Tumor size sample must be greater than or equal to 0.2 cm for analysis.
  • \*\*\* The Oncotype RS can be run on the biopsy core or surgical specimen. The patient cannot have initiated endocrine therapy prior to tissue collection.
  • An Oncotype RS is required for eligibility, however, for a patient whose tumor has already had a MammaPrint test completed as part of usual care when being considered for enrollment and is in the binary "Low" category will meet this eligibility criteria and an Oncotype RS does not need to be performed.
  • The tumor must have been determined to be ER and/or PgR positive assessed by current ASCO/CAP Guideline Recommendations for hormone receptor testing. Patients with greater than or equal to 1% ER or PgR staining by IHC are considered positive.
  • The tumor must have been determined to be HER2-negative by current ASCO/CAP guidelines.
  • * Patients may be premenopausal or postmenopausal at the time of pre-entry/Step 1. For study purposes, postmenopausal is defined as:
  • Age 56 or older with no spontaneous menses for at least 12 months prior to pre-entry/Step 1; or a documented hysterectomy; or
  • Age 55 or younger with no spontaneous menses for at least 12 months prior to pre-entry/Step 1 (e.g., spontaneous or secondary to hysterectomy) and with a documented estradiol level in the postmenopausal range according to local institutional/laboratory standard; or Documented bilateral oophorectomy.
  • The interval between the last surgery for breast cancer (including re-excision of margins) and pre-entry/Step 1 must be no more than 70 days.
  • The patient must have recovered from surgery with the incision completely healed and no signs of infection.
  • Bilateral mammogram or MRI within 6 months prior to pre-entry/Step 1. HIV-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial. Patients must be intending to take endocrine therapy for a minimum 5 years duration (tamoxifen or aromatase inhibitor). The specific regimen of endocrine therapy is at the treating physician's discretion.
  • Exclusion Criteria:
  • • Definitive clinical or radiologic evidence of metastatic disease.
  • pT1 mi and pT2 - pT4 tumors including inflammatory breast cancer.
  • Pathologic staging of pN0(i+) or pN0(mol+), pN1, pN2, or pN3 disease.
  • Patient had a mastectomy.
  • Palpable or radiographically suspicious ipsilateral or contralateral axillary, supraclavicular, infraclavicular, or internal mammary nodes, unless there is histologic confirmation that these nodes are negative for tumor.
  • Suspicious microcalcifications, densities, or palpable abnormalities (in the ipsilateral or contralateral breast) unless biopsied and found to be benign.
  • Non-epithelial breast malignancies such as sarcoma or lymphoma.
  • Proven multicentric carcinoma (invasive cancer or DCIS) in more than one quadrant or separated by 4 or more centimeters. (Patients with multifocal carcinoma are eligible.)
  • Paget's disease of the nipple.
  • Any history, not including the index cancer, of ipsilateral invasive breast cancer or ipsilateral DCIS treated or not treated. (Patients with synchronous or previous ipsilateral LCIS are eligible.)
  • Synchronous or previous contralateral invasive breast cancer or DCIS. (Patients with synchronous and/or previous contralateral LCIS are eligible.)
  • Surgical margins that cannot be microscopically assessed or are positive at pathologic evaluation. (If surgical margins are rendered free of disease by re- excision, the patient is eligible.)
  • Treatment plan that includes regional nodal irradiation.
  • Any treatment with radiation therapy, chemotherapy, or biotherapy, administered for the currently diagnosed breast cancer prior to pre-entry/Step 1.
  • History of non-breast malignancies (except for in situ cancers treated only by local excision and basal cell and squamous cell carcinomas of the skin) within 5 years prior to pre-entry/Step 1.
  • Current therapy with any endocrine therapy such as raloxifene (Evista®), tamoxifen, or other selective estrogen receptor modulators (SERMs), either for osteoporosis or breast cancer prevention.
  • \*\* Patients are eligible for BR007 if they receive a short course of preoperative endocrine therapy of less than 6 weeks duration (prior to randomization/Step 2) for this diagnosis after the core biopsy (and can continue postoperatively if:
  • the Oncotype DX Recurrence Score is assessed on the biopsy core and is less than or equal to 18, AND
  • the patient had not initiated endocrine therapy prior to core biopsy tissue collection.
  • \*\*\* This does not apply to adjuvant endocrine therapy recommended for this diagnosis which may start any time after surgery including prior to registration (Pre-entry/Step 1).
  • Patients intending to continue on oral, transdermal, or subdermal estrogen replacement (including all estrogen only and estrogen-progesterone formulas) are not eligible. Patients that discontinue oral, transdermal, or subdermal estrogen replacement prior to registration are eligible.
  • Prior breast or thoracic RT for any condition.
  • Active collagen vascular disease, specifically dermatomyositis with a CPK level above normal or with an active skin rash, systemic lupus erythematosis, or scleroderma.
  • Pregnancy or lactation at the time of pre-entry/Step 1 or intention to become pregnant during treatment. (Note: Pregnancy testing according to institutional standards for women of childbearing potential must be performed within 2 weeks prior to pre-entry/Step 1.)
  • Any other disease, metabolic dysfunction, physical examination finding, or clinical laboratory finding giving reasonable suspicion of a disease or condition that contraindicates the use of study therapy or that may affect the interpretation of the results or render the patient at high risk from treatment complications.
  • Psychiatric or addictive disorders or other conditions that, in the opinion of the investigator, would preclude the patient from meeting the study requirements or interfere with interpretation of study results.
  • Use of any investigational product within 30 days prior to pre-entry/Step 1.

About Nrg Oncology

NRG Oncology is a prominent clinical trial sponsor dedicated to advancing cancer research through innovative multi-institutional studies. Comprising a collaborative network of leading academic institutions and community hospitals, NRG Oncology focuses on enhancing patient outcomes by conducting rigorous clinical trials that evaluate new treatment strategies and improve existing therapies. With a commitment to scientific excellence and patient-centered care, the organization plays a vital role in shaping the future of oncology by integrating cutting-edge research with clinical practice, ultimately striving to translate findings into meaningful improvements in cancer care.

Locations

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Cleveland, Ohio, United States

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Saint John, New Brunswick, Canada

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Dunmore, Pennsylvania, United States

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Summit, Wisconsin, United States

Two Rivers, Wisconsin, United States

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Peoria, Illinois, United States

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Osaka, , Japan

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Fremont, California, United States

Wexford, Pennsylvania, United States

Milwaukee, Wisconsin, United States

'Aiea, Hawaii, United States

Avon, Indiana, United States

Menomonee Falls, Wisconsin, United States

Mukwonago, Wisconsin, United States

West Bend, Wisconsin, United States

'Aiea, Hawaii, United States

Waukesha, Wisconsin, United States

Ontario, California, United States

Trumbull, Connecticut, United States

Des Moines, Iowa, United States

Overland Park, Kansas, United States

Westwood, Kansas, United States

Kernersville, North Carolina, United States

Mount Airy, North Carolina, United States

Thomasville, North Carolina, United States

Akashi City, Hyogo, Japan

Columbia, Maryland, United States

Binghamton, New York, United States

Albert Lea, Minnesota, United States

Rochester, New York, United States

Phoenix, Arizona, United States

Winter Haven, Florida, United States

Chambersburg, Pennsylvania, United States

Midlothian, Virginia, United States

Orland Park, Illinois, United States

Coral Gables, Florida, United States

Deerfield Beach, Florida, United States

Plainfield, Illinois, United States

Glen Burnie, Maryland, United States

Charlotte, North Carolina, United States

North Kansas City, Missouri, United States

Jefferson Hills, Pennsylvania, United States

Bay Shore, New York, United States

Phoenix, Arizona, United States

Elk Grove, California, United States

Rocklin, California, United States

Sacramento, California, United States

San Luis Obispo, California, United States

Santa Maria, California, United States

Woodland, California, United States

Tawas City, Michigan, United States

Las Vegas, Nevada, United States

Moorestown, New Jersey, United States

Willow Grove, Pennsylvania, United States

Brewer, Maine, United States

Warrensville Heights, Ohio, United States

Seattle, Washington, United States

Rock Hill, South Carolina, United States

New York, New York, United States

Derby, Connecticut, United States

Fairfield, Connecticut, United States

Guilford, Connecticut, United States

North Haven, Connecticut, United States

Orange, Connecticut, United States

Waterbury, Connecticut, United States

Waterford, Connecticut, United States

Dekalb, Illinois, United States

Mount Pleasant, Michigan, United States

Albemarle, North Carolina, United States

Charlotte, North Carolina, United States

Charlotte, North Carolina, United States

Charlotte, North Carolina, United States

High Point, North Carolina, United States

Beavercreek, Ohio, United States

Stevens Point, Wisconsin, United States

Statesville, North Carolina, United States

Abilene, Texas, United States

Johns Creek, Georgia, United States

Clarkston, Michigan, United States

Farmington Hills, Michigan, United States

Troy, Michigan, United States

New Bern, North Carolina, United States

Hilton Head Island, South Carolina, United States

Arroyo Grande, California, United States

Greenwich, Connecticut, United States

Pompton, New Jersey, United States

Bluffton, South Carolina, United States

Medford, Wisconsin, United States

Sarasota, Florida, United States

Plantation, Florida, United States

Port Huron, Michigan, United States

Honolulu, Hawaii, United States

Mooresville, Indiana, United States

Bellevue, Nebraska, United States

Omaha, Nebraska, United States

Easton, Pennsylvania, United States

Mechanicsville, Virginia, United States

Mechanicsville, Virginia, United States

Lake Forest, Illinois, United States

Brighton, Michigan, United States

Oak Creek, Wisconsin, United States

San Jose, California, United States

Chadds Ford, Pennsylvania, United States

Libertyville, Illinois, United States

Gunma, Maebashi, Japan

Kingman, Arizona, United States

Fort Myers, Florida, United States

Washington, Illinois, United States

Farmington, Missouri, United States

Redwood City, California, United States

Santa Cruz, California, United States

Tarzana, California, United States

Colorado Springs, Colorado, United States

Englewood, Colorado, United States

Fort Collins, Colorado, United States

Greeley, Colorado, United States

Frankford, Delaware, United States

Burnsville, Minnesota, United States

Lincoln, Nebraska, United States

Richmond, Virginia, United States

Salisbury, North Carolina, United States

Bozeman, Montana, United States

Hamden, Connecticut, United States

Covington, Louisiana, United States

Ocean Pines, Maryland, United States

Carmichael, California, United States

Stamford, Connecticut, United States

'Ewa Beach, Hawaii, United States

Barrington, Illinois, United States

Crystal Lake, Illinois, United States

Crown Point, Indiana, United States

Dyer, Indiana, United States

Hobart, Indiana, United States

Hobart, Indiana, United States

Munster, Indiana, United States

Valparaiso, Indiana, United States

East Hills, New York, United States

Oneida, New York, United States

Oswego, New York, United States

Sleepy Hollow, New York, United States

Clemmons, North Carolina, United States

East Norriton, Pennsylvania, United States

Baytown, Texas, United States

Houston, Texas, United States

Nassau Bay, Texas, United States

The Woodlands, Texas, United States

Glastonbury, Connecticut, United States

Ocoee, Florida, United States

New York, New York, United States

Westerly, Rhode Island, United States

Vancouver, Washington, United States

Forest City, North Carolina, United States

Highlands Ranch, Colorado, United States

Macomb, Michigan, United States

Missoula, Montana, United States

Torrance, California, United States

Lone Tree, Colorado, United States

Greenlawn, New York, United States

Aventura, Florida, United States

Aventura, Florida, United States

Alton, Illinois, United States

Madison Heights, Michigan, United States

Newnan, Georgia, United States

Stockbridge, Georgia, United States

Brooklyn, New York, United States

Venice, Florida, United States

Alpharetta, Georgia, United States

Canton, Georgia, United States

'Aiea, Hawaii, United States

Denver, Colorado, United States

Omaha, Nebraska, United States

Lexington, Kentucky, United States

Aurora, Colorado, United States

Shiloh, Illinois, United States

Sheboygan, Wisconsin, United States

Meadville, Pennsylvania, United States

Matthews, North Carolina, United States

Mineola, New York, United States

Astoria, New York, United States

Quakertown, Pennsylvania, United States

Avon, Ohio, United States

Sarasota, Florida, United States

Des Moines, Iowa, United States

Allentown, Pennsylvania, United States

Lebanon, New Hampshire, United States

Sheboygan, Wisconsin, United States

Wyoming, Michigan, United States

Grand Rapids, Michigan, United States

Muskegon, Michigan, United States

Troy, Ohio, United States

Nampa, Idaho, United States

Pontiac, Michigan, United States

Ann Arbor, Michigan, United States

Brighton, Michigan, United States

Chelsea, Michigan, United States

Centralia, Illinois, United States

Dayton, Ohio, United States

Webster, New York, United States

Danville, Illinois, United States

New Albany, Ohio, United States

Guilford, Connecticut, United States

Orland Park, Illinois, United States

Quakertown, Pennsylvania, United States

Rockville Centre, New York, United States

Greenville, Ohio, United States

Decatur, Georgia, United States

Los Angeles, California, United States

Ames, Iowa, United States

Canton, Michigan, United States

Rhinelander, Wisconsin, United States

Stevens Point, Wisconsin, United States

Minocqua, Wisconsin, United States

Columbia, Missouri, United States

Sarasota, Florida, United States

Sarasota, Florida, United States

Palos Heights, Illinois, United States

Stroudsburg, Pennsylvania, United States

Clarkston, Michigan, United States

Farmington Hills, Michigan, United States

Madison Heights, Michigan, United States

Macomb, Michigan, United States

Verona, New York, United States

Glenview, Illinois, United States

Grayslake, Illinois, United States

Ankeny, Iowa, United States

Sunset Hills, Missouri, United States

Dillon, Colorado, United States

Niles, Michigan, United States

Saint Joseph, Michigan, United States

O'fallon, Illinois, United States

Des Moines, Iowa, United States

Clive, Iowa, United States

Lincoln, Nebraska, United States

Carmichael, California, United States

Shreveport, Louisiana, United States

Grand Rapids, Michigan, United States

Rockford, Illinois, United States

Saint Joseph, Michigan, United States

Jefferson City, Missouri, United States

Pontiac, Michigan, United States

Madison, Wisconsin, United States

Silverdale, Washington, United States

Saint Johnsbury, Vermont, United States

Dayton, Ohio, United States

Dayton, Ohio, United States

Grand Rapids, Michigan, United States

Johnson Creek, Wisconsin, United States

Troy, Michigan, United States

N. Venice, Florida, United States

Bel Air, Maryland, United States

Royal Oak, Michigan, United States

Johnson Creek, Wisconsin, United States

East Hills, New York, United States

Irvine, California, United States

Farmington Hills, Michigan, United States

Troy, Michigan, United States

North Wilkesboro, North Carolina, United States

Sarasota, Florida, United States

Millville, Delaware, United States

Saginaw, Michigan, United States

Tawas City, Michigan, United States

Crown Point, Indiana, United States

Camillus, New York, United States

Golden, Colorado, United States

Okatie, South Carolina, United States

Madison, Wisconsin, United States

Detroit, Michigan, United States

Aurora, Illinois, United States

Kalamazoo, Michigan, United States

Warren, Michigan, United States

Olathe, Kansas, United States

Westminster, Colorado, United States

Ankeny, Iowa, United States

Clive, Iowa, United States

Des Moines, Iowa, United States

Des Moines, Iowa, United States

Denver, Colorado, United States

Sheboygan, Wisconsin, United States

Waukee, Iowa, United States

Rolla, Missouri, United States

Littleton, Colorado, United States

Parker, Colorado, United States

Venice, Florida, United States

Showa Ku Nagoya, , Japan

Patients applied

0 patients applied

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported

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