OncRef

Clinical Trial: NCT01602380

A Global Study to Compare the Effects of Fulvestrant and Arimidex in a Subset of Patients With Breast Cancer.

Status:

COMPLETED

Phase:

Phase 3

Lead Sponsor:AstraZeneca
Information Provided By:AstraZeneca
Last Update Posted:2026-02-27

Study Overview

Brief Summary

The purpose of the study is to compare how treatment with Fulvestrant (FASLODEX) or Anastrozole (ARIMIDEX) effects disease progression for women with locally advanced or metastatic breast cancer who have not had prior hormonal treatment.

Official Title

A Randomised, Double-blind, Parallel-group, Multicentre, Phase III Study to Compare the Efficacy and Tolerability of Fulvestrant (FASLODEX) 500 mg With Anastrozole (ARIMIDEX) 1 mg as Hormonal Treatment for Postmenopausal Women With Hormone Receptor-Positive Locally Advanced or Metastatic Breast Cancer Who Have Not Previously Been Treated With Any Hormonal Therapy.

Conditions

Hormone Receptor Positive Breast Cancer

Intervention / Treatment

  • Drug: faslodex 500mg
  • Drug: arimidex 1mg
  • Drug: faslodex dummy
  • Drug: arimidex dummy

Other Study ID Numbers

  • D699BC00001
  • 2011-006326-24

Start Date (Actual)

2012-10-17

Primary Completion Date (Actual)

2016-04-11

Study Completion Date (Actual)

2026-01-16

Enrollment (Actual)

462

Study Type

Interventional

Phase

Phase 3