Hormone Therapy in Treating Women With Breast Cancer

June 20, 2013 updated by: Memorial Sloan Kettering Cancer Center

Phase II Randomized Double-Blind Evaluation of Two Dose Levels of LY353381 Hydrochloride Administered to Women With Locally Advanced or Metastatic Breast Cancer

RATIONALE: Estrogen can stimulate the growth of breast cancer cells. Hormone therapy using arzoxifene hydrochloride may fight breast cancer by blocking the use of estrogen by the tumor cells.

PURPOSE: This randomized phase II trial is comparing two different doses of arzoxifene hydrochloride to see how well it works in treating women with advanced or metastatic breast cancer.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

OBJECTIVES: I. Compare the response rate or clinical benefit rate in patients with locally advanced or metastatic breast cancer treated with 1 of 2 different doses of arzoxifene hydrochloride. II. Compare the response rates and clinical benefit rates for patients with tamoxifen-sensitive versus tamoxifen-refractory disease. III. Compare the degree of toxicity between the 2 doses of arzoxifene hydrochloride in these patients. IV. Compare the quality of life and survival of these patients receiving high versus low dose arzoxifene hydrochloride. V. Determine the time to progressive disease, time to treatment failure, and response duration of this treatment in these patients. VII. Measure changes in serum estradiol, follicle stimulating hormone, luteinizing hormone, and sex hormone binding globulin in these patients during treatment.

OUTLINE: This is a randomized, double blind study. Patients are stratified according to number of metastatic sites (less than 3 vs 3 or more), tamoxifen sensitivity (sensitive vs refractory), and degree of estrogen receptor positivity (high vs low vs unknown). Patients are randomized to receive 1 of 2 doses of arzoxifene hydrochloride. Patients receive arzoxifene hydrochloride orally once daily for 12 weeks. Treatment continues in the absence of toxicity and disease progression. Quality of life is assessed before, during, and at the completion of the study. Patients are followed every 4 weeks for 12 weeks, at 30 days after the last treatment, and every 2-3 months after the last treatment.

PROJECTED ACCRUAL: This study will accrue 104-114 patients.

Study Type

Interventional

Enrollment (Anticipated)

114

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • New York
      • New York, New York, United States, 10021
        • Memorial Sloan-Kettering Cancer Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

DISEASE CHARACTERISTICS: Histologically proven locally advanced or metastatic breast cancer and meeting one of the following criteria: No prior systemic therapy OR Relapsed more than 12 months after stopping adjuvant tamoxifen (tamoxifen- sensitive) OR Relapsed while receiving adjuvant tamoxifen for more than 12 months (tamoxifen-refractory) OR Disease progression while receiving tamoxifen as first-line treatment for metastatic breast cancer (tamoxifen-refractory) Evaluable or bidimensionally measurable disease No rapid disease progression requiring chemotherapy Brain metastases allowed if stable for at least 6 months after surgery or radiotherapy, with no increase in corticosteroids Hormone receptor status: Estrogen receptor positive AND/OR Progesterone receptor positive OR Unknown status allowed if over 50 years old

PATIENT CHARACTERISTICS: Age: 18 and over Sex: Female Menopausal status: Not specified Performance status: ECOG 0-1 Life expectancy: At least 24 weeks Hematopoietic: Granulocyte count at least 1500/mm3 Platelet count at least 100,000/mm3 Hemoglobin at least 9 g/dL, transfusion independent Hepatic: Bilirubin no greater than 1.5 times normal PT/PTT no greater than 1.25 times upper limit of normal (ULN) ALT/AST no greater than 2.5 times ULN Renal: Creatinine less than 1.5 times ULN Calcium no greater than 11 mg/dL No hypercalcemia Other: Not pregnant or nursing Fertile patients must use approved nonhormonal contraceptive during and for 3 months after study No known predisposition to thromboembolic disorder At least 5 years since other primary malignancy except: Adequately treated nonmelanomatous skin cancer Carcinoma in situ of the cervix No serious concurrent systemic disorders incompatible with study

PRIOR CONCURRENT THERAPY: Biologic therapy: No concurrent immunotherapy Concurrent hematopoietic growth factor allowed Chemotherapy: No prior chemotherapy for metastatic breast cancer No concurrent chemotherapy Endocrine therapy: No prior hormonal therapy for metastatic breast cancer (except tamoxifen) No concurrent supplemental estrogen or progesterone At least 3 weeks since prior estrogen replacement therapy No other concurrent hormone therapy Radiotherapy: At least 2 weeks since prior radiotherapy Surgery: Not specified Other: At least 4 weeks since prior use of other investigational agents Concurrent bisphosphonate therapy allowed No other concurrent investigational agent

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Memorial Sloan Kettering Cancer Center

Collaborators

National Cancer Institute (NCI)

Investigators

  • Study Chair: Clifford A. Hudis, MD, Memorial Sloan Kettering Cancer Center

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

May 1, 1998

Primary Completion (Actual)

June 1, 2001

Study Completion (Actual)

June 1, 2001

Study Registration Dates

First Submitted

November 1, 1999

First Submitted That Met QC Criteria

September 10, 2004

First Posted (Estimate)

September 13, 2004

Study Record Updates

Last Update Posted (Estimate)

June 24, 2013

Last Update Submitted That Met QC Criteria

June 20, 2013

Last Verified

June 1, 2013

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 98-038
  • CDR0000066453 (Registry Identifier: PDQ (Physician Data Query))
  • LILLY-H4Z-MC-JWWD(a)
  • NCI-G98-1451

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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