Comparison of Surgeries, With or Without Radiation Therapy, in Treating Women With Stage I or Stage II Breast Cancer

2014-08-27 03:56:28 | BioPortfolio


RATIONALE: It is not yet known which combination of surgeries is more effective in reducing side effects and improving recovery in treating breast cancer.

PURPOSE: This randomized phase III trial is comparing how well axillary lymph node dissection with either mastectomy or excisional biopsy plus radiation therapy works in treating women with stage I or stage II breast cancer.



- Compare the overall and disease-free survival of women with stage I or II breast cancer treated with mastectomy and axillary dissection vs excisional biopsy, axillary dissection, and definitive radiotherapy.

- Compare in-breast only failure in patients treated with these regimens.

OUTLINE: This is a randomized study. Patients are randomized to 1 of 2 treatment arms.

- Arm I: Patients undergo total mastectomy and axillary dissection.

- Arm II: Patients undergo excisional biopsy and axillary dissection followed by whole breast radiotherapy and a boost to the tumor bed. Patients with positive axillary dissections undergo radiotherapy to the supraclavicular nodes.

In both arms, patients with positive nodes receive cyclophosphamide and doxorubicin.

Patients are followed for at least 20 years.

PROJECTED ACCRUAL: A total of 237 patients (116 for arm I and 121 for arm II) were accrued for this study within 8 years.

Study Design

Allocation: Randomized, Control: Active Control, Primary Purpose: Treatment


Breast Cancer


axillary lymph node dissection, biopsy, therapeutic conventional surgery, radiation therapy


National Cancer Institute (NCI)
United States


Active, not recruiting


National Cancer Institute (NCI)

Results (where available)

View Results


Published on BioPortfolio: 2014-08-27T03:56:28-0400

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Medical and Biotech [MESH] Definitions

First lymph node to receive drainage from the primary tumor. SENTINEL LYMPH NODE BIOPSY is performed to determine early METASTASIS status because cancer cells may appear first in the sentinel node.

A diagnostic procedure used to determine whether LYMPHATIC METASTASIS has occurred. The sentinel lymph node is the first lymph node to receive drainage from a neoplasm.

Dissection in the neck to remove all disease tissues including cervical LYMPH NODES and to leave an adequate margin of normal tissue. This type of surgery is usually used in tumors or cervical metastases in the head and neck. The prototype of neck dissection is the radical neck dissection described by Crile in 1906.

Total mastectomy with axillary node dissection, but with preservation of the pectoral muscles.

Surgical excision of one or more lymph nodes. Its most common use is in cancer surgery. (From Dorland, 28th ed, p966)

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