LY353381 in Preventing Breast Cancer in Women With Hyperplasia

Status Completed

Clinical Trial Summary

RATIONALE: Chemoprevention therapy is the use of certain drugs to try to prevent the development or recurrence of cancer. The use of LY353381 may be an effective way to prevent the development of breast cancer in women who have hyperplasia.

PURPOSE: Randomized phase II trial to study the effectiveness of LY353381 in preventing breast cancer in women who have hyperplasia.

Clinical Trial Description

OBJECTIVES:

- Determine if LY353381 hydrochloride improves baseline cytology in women at high risk for breast cancer.

- Determine if this drug modulates other potential surrogate endpoint biomarkers or drug effect biomarkers.

- Determine if cytologic improvement is associated with initial presentation of the various stratification factors.

- Determine whether cytology is correlated with other potential surrogate endpoint biomarkers or drug effect biomarkers and whether change in cytology is correlated with change in the other biomarkers.

- Monitor the effects of this drug in terms of quality of life and women's health.

OUTLINE: This is a randomized, double-blind, multicenter study followed by an open-label study for both arms. Patients are stratified according to cytologic status (hyperplasia with atypia vs hyperplasia without atypia), mutation status (known carrier for BRCA1 or BRCA2 genes vs known not to be a carrier of mutant genes), menopausal status (premenopausal vs postmenopausal), estrogen-receptor status, and participating center. Patients are randomized to one of two treatment arms.

- Arm I: Patients receive oral LY353381 hydrochloride once daily for 6 months.

- Arm II: Patients receive oral placebo once daily for 6 months. Patients in both arms then receive oral LY353381 hydrochloride for an additional 6 months.

Quality of life is assessed at baseline and then at 6 and 12 months.

Patients are followed at 2 weeks and then annually for 5 years.

PROJECTED ACCRUAL: A total of 210-220 patients will be accrued for this study within 2.5-3 years. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00005879
Study type	Interventional
Source	University of Kansas Medical Center
Contact
Status	Completed
Phase	Phase 2
Start date	August 2000
Completion date	July 2008

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.