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

This study has been completed.
Sponsor:
Information provided by:
Wyeth is now a wholly owned subsidiary of Pfizer
ClinicalTrials.gov Identifier:
NCT00675688
First received: May 7, 2008
Last updated: May 9, 2008
Last verified: May 2008
History of Changes
  Purpose

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.


Condition Intervention Phase
Endometrial Hyperplasia
Osteoporosis
 Drug: Bazedoxifene/Conjugate Estrogens (CE)
Drug: Raloxifene
Drug: Placebo
 Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Crossover Assignment
Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Double-Blind, Randomized, Placebo- and Active-Controlled Safety and Efficacy Study of Bazedoxifene/Conjugated Estrogens Combinations in Postmenopausal Women

Resource links provided by NLM:

MedlinePlus related topics: Osteoporosis
U.S. FDA Resources

Further study details as provided by Wyeth is now a wholly owned subsidiary of Pfizer:

Primary Outcome Measures:
  • To evaluate the effects of Bazedoxifene/Conjugate Estrogens (CE) combinations on the incidence of endometrial hyperplasia in postmenopausal women. [ Time Frame: one year ] [ Designated as safety issue: Yes ]

Secondary Outcome Measures:
  • 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 ] [ Designated as safety issue: Yes ]

Enrollment: 3544
Study Start Date: April 2002
Study Completion Date: January 2006
Primary Completion Date: January 2006 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: A Drug: Bazedoxifene/Conjugate Estrogens (CE)
Active Comparator: B Drug: Raloxifene
Placebo Comparator: C Drug: Placebo

  Eligibility

Ages Eligible for Study:   40 Years to 75 Years
Genders Eligible for Study:   Female
Accepts Healthy Volunteers:   No
Criteria

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.

  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00675688

Sponsors and Collaborators
Wyeth is now a wholly owned subsidiary of Pfizer
Investigators
Study Director: Medical Monitor Wyeth is now a wholly owned subsidiary of Pfizer
  More Information

No publications provided by Wyeth is now a wholly owned subsidiary of Pfizer

Additional publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

Responsible Party: Wyeth (Registry Contact: Clinical Trial Registry Specialist), Wyeth
ClinicalTrials.gov Identifier: NCT00675688     History of Changes
Other Study ID Numbers: 3115A1-303
Study First Received: May 7, 2008
Last Updated: May 9, 2008
Health Authority: United States: Food and Drug Administration

Keywords provided by Wyeth is now a wholly owned subsidiary of Pfizer:
Menopause

Additional relevant MeSH terms:
Endometrial Hyperplasia
Hyperplasia
Osteoporosis
Adenoma
Uterine Diseases
Genital Diseases, Female
Pathologic Processes
Bone Diseases, Metabolic
Bone Diseases
Musculoskeletal Diseases
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Neoplasms
 Estrogens, Conjugated (USP)
Estrogens
Raloxifene
Hormones
Hormones, Hormone Substitutes, and Hormone Antagonists
Physiological Effects of Drugs
Pharmacologic Actions
Selective Estrogen Receptor Modulators
Estrogen Receptor Modulators
Hormone Antagonists
Bone Density Conservation Agents
Estrogen Antagonists

ClinicalTrials.gov processed this record on May 19, 2013