Endometrial Safety Study
Public ClinicalTrials.gov record NCT00522873. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Double-blind, Randomized, Multi-center Study to Investigate the Endometrial Safety of a Continuous, Combined, Oral Estrogen/Progestin Preparation (17b-estradiol [E2] / Drospirenone [DRSP]) and to Compare the Bleeding Pattern of Subjects Treated With E2 / DRSP With the Bleeding Pattern of Subjects Treated With E2 / Norethisterone Acetate (NETA) When Used for Hormone Therapy (HT) for 1 Year in Post-menopausal Women
Study identification
- NCT ID
- NCT00522873
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Bayer
- Industry
- Enrollment
- 662 participants
Conditions and interventions
Conditions
Interventions
- 0.25mg DRSP / 0.5mg E2 (BAY86-4891) Drug
- 0.5mg NETA / 1.0mg E2 (Activella) Drug
Drug
Eligibility (public fields only)
- Age range
- 40 Years to 65 Years
- Sex
- Female
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 31, 2007
- Primary completion
- Jul 31, 2009
- Completion
- Jul 31, 2009
- Last update posted
- Dec 30, 2014
2007 – 2009
United States locations
- U.S. sites
- 17
- U.S. states
- 13
- U.S. cities
- 16
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Chandler | Arizona | 85224 | — |
| Not listed | San Diego | California | 92103 | — |
| Not listed | San Diego | California | 92108 | — |
| Not listed | Denver | Colorado | 80218 | — |
| Not listed | Greenwood Village | Colorado | 80111 | — |
| Not listed | Boynton Beach | Florida | 33437 | — |
| Not listed | Clearwater | Florida | 33759 | — |
| Not listed | Boise | Idaho | 83704 | — |
| Not listed | Amite | Louisiana | 70422 | — |
| Not listed | Marrero | Louisiana | 70072 | — |
| Not listed | Las Vegas | Nevada | 89122 | — |
| Not listed | Cleveland | Ohio | 44122 | — |
| Not listed | Philadelphia | Pennsylvania | 19114 | — |
| Not listed | Columbia | South Carolina | 29201 | — |
| Not listed | Corpus Christi | Texas | 78414 | — |
| Not listed | Richmond | Virginia | 23294 | — |
| Not listed | Seattle | Washington | 98105 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 42 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00522873, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Dec 30, 2014 · Synced Jul 21, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00522873 live on ClinicalTrials.gov.