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Ref Type Journal Article
PMID (1590276)
Authors Schifeling DJ, Jackson DV, Zekan PJ, Muss HB
Title Fluoxymesterone as third line endocrine therapy for advanced breast cancer. A phase II trial of the Piedmont Oncology Association.
Journal American journal of clinical oncology
Vol 15
Issue 3
Date 1992 Jun
Abstract Text The Piedmont Oncology Association conducted a Phase II trial of fluoxymesterone (Halotestin) in 28 patients who failed to respond to prior hormonal therapy with tamoxifen and a progestational agent. Of nine patients who had responded to prior endocrine therapy, one had a partial response (PR) as defined by strict criteria and remains on study at 17 + months for an 11% response rate [95% confidence interval (CI), complete response (CR) + PR, 0-48%]. None of 19 previously unresponsive patients achieved remission (95% CI, CR + PR, 0-18%). Eleven patients' performance status deteriorated during therapy. Five of them had not received prior chemotherapy, and their response to subsequent chemotherapy may have been adversely affected. Third-line hormonal therapy with fluoxymesterone can be recommended only as a temporizing measure in patients with indolent disease who have responded to prior hormonal therapy.


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Molecular Profile Treatment Approach
Gene Name Source Synonyms Protein Domains Gene Description Gene Role
Therapy Name Drugs Efficacy Evidence Clinical Trials
Drug Name Trade Name Synonyms Drug Classes Drug Description
Gene Variant Impact Protein Effect Variant Description Associated with drug Resistance
Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
Unknown unknown breast cancer not applicable Fluoxymesterone Case Reports/Case Series Actionable In a Phase II trial, a patient with advanced breast cancer that developed resistance to long term hormonal therapy demonstrated sensitivity to Halotestin (fluoxymesterone) (PMID: 1590276). 1590276