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NCT00475189 · ClinicalTrials.gov registry record · NA

Study of Loestrin 24(24 Days of "Real" Pills) Fe Versus Loestrin 1/20 (21 "Real" Pills)

A NA study, sponsored by Scott and White Hospital & Clinic.

Completed
Registry status
NA
Development phase
51
Enrollment target

NCT00475189: Completed NA study, sponsored by Scott and White Hospital & Clinic.

NCT00475189 is a NA study that has completed, run by Scott and White Hospital & Clinic. The registered enrollment target is 51 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (96% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00475189, a NA study, has completed, sponsored by Scott and White Hospital & Clinic.

COMPLETED
Registry status
NA
Development phase
51 participants
Enrollment target

Study Summary

The purpose of this research study is to assess hormone withdrawal symptoms in women while taking an oral contraceptive in the novel 24/4 (24 days of "real" pills) manner in comparison to taking pills in the standard 21/7 (21 "real" pills) manner. It is hypothesized that the 24/4 method will reduce common hormone withdrawal symptoms compared to the standard 21/7 regimen. It is further hypothesized that women using the 24/4 regimen will report greater satisfaction scores.

Interventions

  • DRUG loestrin 24/4 vs loestrin 1/20
  • DRUG loestrin 1/20

Trial Details

FieldValue
Enrollment Target 51 participants
Start Date 2007-06
Est. Completion 2008-11
Phase NA

What the finished NCT00475189 record still lists

NCT00475189 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 51 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (96% lower).

The record links to 0 conditions, and to 2 interventions - of which loestrin 24/4 vs loestrin 1/20 is the first listed.

NCT00475189 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00475189 about?

NCT00475189 is a clinical study titled "Study of Loestrin 24(24 Days of "Real" Pills) Fe Versus Loestrin 1/20 (21 "Real" Pills)". The purpose of this research study is to assess hormone withdrawal symptoms in women while taking an oral contraceptive in the novel 24/4 (24 days of "real" pills) manner in comparison to taking pills in the standard 21/7 (21 "real" pills) manner. It is hypothesized that the 24/4 method will reduce...

What is the current status of trial NCT00475189?

This trial is currently completed. It is a NA study. The enrollment target is 51 participants. The study started on 2007-06. Estimated completion is 2008-11.

What interventions are being tested in trial NCT00475189?

The interventions under investigation include: loestrin 24/4 vs loestrin 1/20 (DRUG), loestrin 1/20 (DRUG).

Who is sponsoring clinical trial NCT00475189?

This trial is sponsored by Scott and White Hospital & Clinic, which has 9 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00475189's enrollment target sits among peer trials

51 1279th of 2000 higher than 722 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT00475189, the US trial registry maintained by the National Library of Medicine. NCT00475189 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.