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NCT00161681 · ClinicalTrials.gov registry record · Phase 3

Study Evaluating Levonorgestrel/Ethinyl Estradiol (LNG/EE) in PMS

A Phase 3 study, sponsored by Wyeth is now a wholly owned subsidiary of Pfizer.

Completed
Registry status
Phase 3
Development phase
200
Enrollment target

NCT00161681: Completed Phase 3 study, sponsored by Wyeth is now a wholly owned subsidiary of Pfizer.

NCT00161681 is a Phase 3 study that has completed, run by Wyeth is now a wholly owned subsidiary of Pfizer. The registered enrollment target is 200 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (74% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00161681, a Phase 3 study, has completed, sponsored by Wyeth is now a wholly owned subsidiary of Pfizer.

COMPLETED
Registry status
Phase 3
Development phase
200 participants
Enrollment target

Study Summary

The purpose of this study is to determine whether LNG/EE is effective in the treatment of menstrual cycle related symptoms.

Interventions

  • DRUG Levonorgestrel/Ethinyl Estradiol

Trial Details

FieldValue
Enrollment Target 200 participants
Start Date 2005-07
Est. Completion 2006-08
Phase Phase 3

What the finished NCT00161681 record still lists

NCT00161681 is an interventional study that assigns participants to a tested intervention. The registered 200 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (74% lower).

The record links to 0 conditions, and to 1 intervention - of which Levonorgestrel/Ethinyl Estradiol is the first listed.

NCT00161681 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00161681 about?

NCT00161681 is a clinical study titled "Study Evaluating Levonorgestrel/Ethinyl Estradiol (LNG/EE) in PMS". The purpose of this study is to determine whether LNG/EE is effective in the treatment of menstrual cycle related symptoms.

What is the current status of trial NCT00161681?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 200 participants. The study started on 2005-07. Estimated completion is 2006-08.

What interventions are being tested in trial NCT00161681?

The interventions under investigation include: Levonorgestrel/Ethinyl Estradiol (DRUG).

Who is sponsoring clinical trial NCT00161681?

This trial is sponsored by Wyeth is now a wholly owned subsidiary of Pfizer, which has 167 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00161681's enrollment target sits among peer trials

200 1353rd of 2000 higher than 613 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 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 NCT00161681, the US trial registry maintained by the National Library of Medicine. NCT00161681 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.