Study of Loestrin 24(24 Days of "Real" Pills) Fe Versus Loestrin 1/20 (21 "Real" Pills)
Public ClinicalTrials.gov record NCT00475189. 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
Prospective Comparison of Hormone Withdrawal Symptoms of a 24/4 Regimen With a 21/7 Regimen of OC
Study identification
- NCT ID
- NCT00475189
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Scott and White Hospital & Clinic
- Other
- Enrollment
- 51 participants
Conditions and interventions
Conditions
Interventions
- loestrin 24/4 vs loestrin 1/20 Drug
- loestrin 1/20 Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 48 Years
- Sex
- Female
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 31, 2007
- Primary completion
- Oct 31, 2008
- Completion
- Oct 31, 2008
- Last update posted
- Jul 24, 2011
2007 – 2008
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Scott & White Hospital and Clinic | Temple | Texas | 76508 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00475189, 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 Jul 24, 2011 · 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 NCT00475189 live on ClinicalTrials.gov.