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Letrozole in Treating Postmenopausal Women With Metastatic Breast Cancer

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

Summary

RATIONALE: Estrogen can stimulate the growth of cancer cells. Letrozole may fight breast cancer by reducing the production of estrogen.

PURPOSE: Phase IV trial to study the effectiveness of letrozole in treating postmenopausal women who have metastatic breast cancer that has been previously treated with tamoxifen.

Description

OBJECTIVES: I. Determine the time to progression of postmenopausal women with metastatic breast cancer treated with letrozole (Femara) as first-line therapy. II. Determine the objective response rate, time to treatment failure, survival rate, and changes in symptom distress in patients treated with this regimen.

OUTLINE: This is a multicenter study. Patients are stratified according to time to diagnosis of metastatic disease. Patients receive oral letrozole (Femara) daily. Treatment continues in the absence of disease progression or unacceptable toxicity.

PROJECTED ACCRUAL: A total of 590 patients will be accrued for this study.

Study Design

Primary Purpose: Treatment

Conditions

Breast Cancer

Intervention

letrozole

Location

Alta Bates Comprehensive Cancer Center
Berkeley
California
United States
94704

Status

Completed

Source

National Cancer Institute (NCI)

Results (where available)

View Results

Links

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

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PubMed Articles [13836 Associated PubMed Articles listed on BioPortfolio]

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Medical and Biotech [MESH] Definitions

Abnormal accumulation of lymph in the arm, shoulder and breast area associated with surgical or radiation breast cancer treatments (e.g., MASTECTOMY).

Metastatic breast cancer characterized by EDEMA and ERYTHEMA of the affected breast due to LYMPHATIC METASTASIS and eventual obstruction of LYMPHATIC VESSELS by the cancer cells.

A infiltrating (invasive) breast cancer, relatively uncommon, accounting for only 5%-10% of breast tumors in most series. It is often an area of ill-defined thickening in the breast, in contrast to the dominant lump characteristic of ductal carcinoma. It is typically composed of small cells in a linear arrangement with a tendency to grow around ducts and lobules. There is likelihood of axillary nodal involvement with metastasis to meningeal and serosal surfaces. (DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1205)

A deoxycytidine derivative and fluorouracil PRODRUG that is used as an ANTINEOPLASTIC ANTIMETABOLITE in the treatment of COLON CANCER; BREAST CANCER and GASTRIC CANCER.

Carbohydrate antigen elevated in patients with tumors of the breast, ovary, lung, and prostate as well as other disorders. The mucin is expressed normally by most glandular epithelia but shows particularly increased expression in the breast at lactation and in malignancy. It is thus an established serum marker for breast cancer.

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