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NCT00504816 · ClinicalTrials.gov registry record · Phase 1

A Study of the Effects of GSK189075 on PK Profiles of an Oral Contraceptive Pill When Given to Healthy Female Volunteers

A Phase 1 study, sponsored by GlaxoSmithKline.

Completed
Registry status
Phase 1
Development phase
22
Enrollment target

NCT00504816: Completed Phase 1 study, sponsored by GlaxoSmithKline.

NCT00504816 is a Phase 1 study that has completed, run by GlaxoSmithKline. The registered enrollment target is 22 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (63% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00504816, a Phase 1 study, has completed, sponsored by GlaxoSmithKline.

COMPLETED
Registry status
Phase 1
Development phase
22 participants
Enrollment target

Study Summary

The purpose of this research study is to demonstrate a lack of effect of multiple doses of GSK189075 on the PK of an oral contraceptive pill in healthy female subjects. To estimate the effects of GSK189075 on hormonal levels and on birth control.

Interventions

  • DRUG GSK189075
  • DRUG Brevicon

Trial Details

FieldValue
Enrollment Target 22 participants
Start Date 2007-04
Est. Completion 2008-04
Phase Phase 1
GlaxoSmithKline

1,345 total trials

What the finished NCT00504816 record still lists

NCT00504816 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 22 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (63% lower).

The record links to 0 conditions, and to 2 interventions - of which GSK189075 is the first listed.

NCT00504816 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00504816 about?

NCT00504816 is a clinical study titled "A Study of the Effects of GSK189075 on PK Profiles of an Oral Contraceptive Pill When Given to Healthy Female Volunteers". The purpose of this research study is to demonstrate a lack of effect of multiple doses of GSK189075 on the PK of an oral contraceptive pill in healthy female subjects. To estimate the effects of GSK189075 on hormonal levels and on birth control.

What is the current status of trial NCT00504816?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 22 participants. The study started on 2007-04. Estimated completion is 2008-04.

What interventions are being tested in trial NCT00504816?

The interventions under investigation include: GSK189075 (DRUG), Brevicon (DRUG).

Who is sponsoring clinical trial NCT00504816?

This trial is sponsored by GlaxoSmithKline, which has 1,345 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00504816's enrollment target sits among peer trials

22 1601st of 2000 higher than 386 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 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 NCT00504816, the US trial registry maintained by the National Library of Medicine. NCT00504816 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.