Study Evaluating Safety and Efficacy of Bazedoxifene/Conjugated Estrogens Combinations in Postmenopausal Women

May 9, 2008 updated by: Wyeth is now a wholly owned subsidiary of Pfizer

A Double-Blind, Randomized, Placebo- and Active-Controlled Safety and Efficacy Study of Bazedoxifene/Conjugated Estrogens Combinations in Postmenopausal Women

The purpose of this study is to determine whether bazedoxifene/conjugated estrogens combinations are effective for the prevention of endometrial hyperplasia and for the prevention of osteoporosis in postmenopausal women.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

3544

Phase

  • Phase 3

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

40 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  • Generally healthy, postmenopausal women aged 40 - 75 years inclusive
  • Intact uterus
  • Last natural menstrual cycle (without exogenous hormone therapy) completed at least 12 consecutive months before screening

Exclusion Criteria:

  • A history or active presence of thrombophlebitis, thrombosis or thromboembolic disorders
  • A history or active presence of cerebrovascular accident, stroke, or transient ischemic attack
  • A history or active presence of malignancy, or treatment for malignancy, within the previous 10 years

Additional criteria applies.

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
  • Interventional Model: Crossover Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: B
Drug: Raloxifene
Placebo Comparator: C
Drug: Placebo
Experimental: A
Drug: Bazedoxifene/Conjugate Estrogens (CE)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
To evaluate the effects of Bazedoxifene/Conjugate Estrogens (CE) combinations on the incidence of endometrial hyperplasia in postmenopausal women.
Time Frame: one year
one year

Secondary Outcome Measures

Outcome Measure
Time Frame
To evaluate the efficacy of Bazedoxifene/CE combinations in preventing osteoporosis. To evaluate the effects of Bazedoxifene/CE combinations on vaginal atrophy, metabolic parameters, uterine bleeding, vasomotor symptoms and quality of life indices.
Time Frame: one year
one year

Collaborators and Investigators

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

Sponsor

Wyeth is now a wholly owned subsidiary of Pfizer

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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

April 1, 2002

Primary Completion (Actual)

January 1, 2006

Study Completion (Actual)

January 1, 2006

Study Registration Dates

First Submitted

May 7, 2008

First Submitted That Met QC Criteria

May 9, 2008

First Posted (Estimate)

May 12, 2008

Study Record Updates

Last Update Posted (Estimate)

May 12, 2008

Last Update Submitted That Met QC Criteria

May 9, 2008

Last Verified

May 1, 2008

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 3115A1-303

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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