Aromasin Vs Arimidex Study As Initial Hormonal Therapy In Postmenopausal Women With Advanced/Recurrent Breast Cancer

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To verify the non-inferiority of exemestane compared to anastrozole in time to tumor progression (TTP), the primary efficacy endpoint, in postmenopausal women with advanced/recurrent breast cancer...

Brief Summary

Official Title: “A Randomized, Double-Blind, Controlled Study Of Exemestane (Aromasin) Vs Anastrozole (Arimidex) As Initial Hormonal Therapy In Postmenopausal Women With Advanced/Recurrent Breast Cancer”

To verify the non-inferiority of exemestane compared to anastrozole in time to tumor progression (TTP), the primary efficacy endpoint, in postmenopausal women with advanced/recurrent breast cancer.

  • Study Type: Interventional
  • Study Design: Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment
  • Study Primary Completion Date: December 2010

Intervention(s) in this Clinical Trial

  • Drug: exemestane
    • take orally one tablet per day of exemestane 25 mg and one tablet per day of anastrozole placebo daily after meal
  • Drug: anastrozole
    • take orally one tablet of anastrozole 1 mg and one tablet of exemestane placebo daily after meal

Arms, Groups and Cohorts in this Clinical Trial

  • Experimental: 1
  • Experimental: 2

Outcome Measures for this Clinical Trial

Primary Measures

  • Time to Progression (TTP) - Expert Evaluation Committee Assessment
    • Time Frame: Up to 2008 days of the treatment
      Safety Issue?: No

Secondary Measures

  • Time to Progression (TTP) - Investigators Assessment
    • Time Frame: Up to 2008 days of the treatment
      Safety Issue?: No
  • Number of Participants With Objective Response - Investigators Assessment
    • Time Frame: Up to 2008 days of the treatment
      Safety Issue?: No
  • Number of Participants With Clinical Benefit - Investigator Assessment
    • Time Frame: Up to 2008 days of the treatment
      Safety Issue?: No
  • Overall Survival (OS)
    • Time Frame: Up to 2008 days of the treatment
      Safety Issue?: Yes
  • Time to Treatment Failure (TTF)
    • Time Frame: Up to 2008 days of the treatment
      Safety Issue?: Yes

Criteria for Participation in this Clinical Trial

Inclusion Criteria:

  • Have histologically or cytologically confirmed breast cancer at original diagnosis.
  • At study entry, the patient must have metastatic progressive or locally recurrent inoperable breast cancer.

Exclusion Criteria:

  • Having received any hormonal therapy (e.g., Tamoxifen, LHRH-agonists) ovariectomy or any chemotherapy for advanced/recurrent breast cancer

Gender Eligibility for this Clinical Trial: Female

Minimum Age for this Clinical Trial: 20 Years

Maximum Age for this Clinical Trial: N/A

Are Healthy Volunteers Accepted for this Clinical Trial?: No

Clinical Trial Investigator Information

Lead Investigator: Pfizer Industry

Overall Clinical Trial Officials and Contacts

Pfizer CT.gov Call Center Study Director Pfizer  

Additional Information

Information obtained from ClinicalTrials.gov on February 12, 2012

Link to the current ClinicalTrials.gov record. http://clinicaltrials.gov/show/NCT00143390

Study ID Number: A5991048

ClinicalTrials.gov Identifier: NCT00143390

Health Authority: Japan: Ministry of Health, Labor and Welfare

To obtain contact information for a study center near you, click here.

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The URL of this page is:
http://clinicaltrialsfeeds.org/clinical-trials/show/NCT00143390