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Bioequivalence Study Of Bazedoxifene/Conjugated Estrogen Tablets In Postmenopausal Women

This study has been completed.
Information provided by:
Wyeth is now a wholly owned subsidiary of Pfizer Identifier:
First received: November 7, 2006
Last updated: March 12, 2007
Last verified: March 2007

The primary objective is to evaluate the bioequivalence between bazedoxifene/conjugated estrogens tablets produced using the current manufacturing process to bazedoxifene/conjugated estrogens tablets produced using a new manufacturing process

Condition Intervention Phase
Drug: bazedoxifene/conjugated estrogens
Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Bio-equivalence Study
Intervention Model: Crossover Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: An Open-Label, Single-Dose, Randomized-to-Sequence, 2-Period, Crossover, Pivotal Bioequivalence Study Between Bazedoxifene Acetate/Conjugated Estrogens (Premarin Current Process) and Bazedoxifene Acetate/Conjugated Estrogens (Premarin New Process) Tablets Administered to Healthy Postmenopausal Women

Resource links provided by NLM:

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

Primary Outcome Measures:
  • Pharmacokinetic measures of blood levels of endogenous estrogen hormones, conjugated estrogens and bazedoxifene.

Secondary Outcome Measures:
  • Safety will be evaluated from reported signs and symptoms, scheduled physical examinations, gynecologic examinations, vital sign measurements, 12-lead ECG and clinical laboratory test results.

Study Start Date: November 2006
Estimated Study Completion Date: November 2006

Ages Eligible for Study:   35 Years to 70 Years
Genders Eligible for Study:   Female
Accepts Healthy Volunteers:   Yes

Inclusion Criteria

  • Healthy, postmenopausal women aged 35 to 70 years and weighing at least 50 kg (approx. 110 lbs).
  • At least 6 months of spontaneous amenorrhea (with follicle-stimulating hormone levels of 39 mIU/mL or greater).
  • Nonsmoker or smoker of fewer than 10 cigarettes per day, with ability to abstain for 5 days.

Exclusion Criteria

  • Women with amenorrhea starting after 54 years of age.
  • A history or active presence of clinically important medical diseases.
  • Use of oral estrogen-, progestin, androgen-, or SERM-containing drug products within 30 days before receiving study drug.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00396799

Sponsors and Collaborators
Wyeth is now a wholly owned subsidiary of Pfizer
Principal Investigator: Medical Monitor Wyeth is now a wholly owned subsidiary of Pfizer
  More Information

No publications provided Identifier: NCT00396799     History of Changes
Other Study ID Numbers: 3115A1-114
Study First Received: November 7, 2006
Last Updated: March 12, 2007
Health Authority: United States: Food and Drug Administration

Additional relevant MeSH terms:
Estrogens, Conjugated (USP)
Bone Density Conservation Agents
Estrogen Receptor Modulators
Hormone Antagonists
Hormones, Hormone Substitutes, and Hormone Antagonists
Pharmacologic Actions
Physiological Effects of Drugs
Selective Estrogen Receptor Modulators processed this record on November 20, 2014