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NCT03692403 · ClinicalTrials.gov registry record · Phase 2

Randomized Trial Assessing Quinagolide Vaginal Ring for Endometriosis-related Pain

A Phase 2 study, sponsored by Ferring Pharmaceuticals.

Completed
Registry status
Phase 2
Development phase
22
Enrollment target

NCT03692403: Completed Phase 2 study, sponsored by Ferring Pharmaceuticals.

NCT03692403 is a Phase 2 study that has completed, run by Ferring Pharmaceuticals. The registered enrollment target is 22 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (83% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03692403, a Phase 2 study, has completed, sponsored by Ferring Pharmaceuticals.

COMPLETED
Registry status
Phase 2
Development phase
22 participants
Enrollment target

Study Summary

To evaluate the efficacy of three doses of quinagolide administered as an extended-release vaginal ring compared to placebo on reduction of moderate to severe endometriosis-related pain

Primary Outcome

Assessed daily by participants in an e-Diary. NRS is an 11-point scale, with 0 indicating no pain and 10 indicating the worst imaginable pain. Changes from baseline to cycle 4.

Interventions

  • DRUG Placebo
  • DRUG Quinagolide 360 µg
  • DRUG Quinagolide 720 µg
  • DRUG Quinagolide 1080 µg

Trial Details

FieldValue
Enrollment Target 22 participants
Start Date 2018-12-26
Est. Completion 2022-02-14
Phase Phase 2
Ferring Pharmaceuticals

83 total trials

What the finished NCT03692403 record still lists

NCT03692403 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 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (83% lower).

The record links to 0 conditions, and to 4 interventions - of which Placebo is the first listed.

NCT03692403 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03692403 about?

NCT03692403 is a clinical study titled "Randomized Trial Assessing Quinagolide Vaginal Ring for Endometriosis-related Pain". To evaluate the efficacy of three doses of quinagolide administered as an extended-release vaginal ring compared to placebo on reduction of moderate to severe endometriosis-related pain

What is the current status of trial NCT03692403?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 22 participants. The study started on 2018-12-26. Estimated completion is 2022-02-14.

What interventions are being tested in trial NCT03692403?

The interventions under investigation include: Placebo (DRUG), Quinagolide 360 µg (DRUG), Quinagolide 720 µg (DRUG), Quinagolide 1080 µg (DRUG).

Who is sponsoring clinical trial NCT03692403?

This trial is sponsored by Ferring Pharmaceuticals, which has 83 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03692403's enrollment target sits among peer trials

22 1790th of 2000 higher than 207 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 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 NCT03692403, the US trial registry maintained by the National Library of Medicine. NCT03692403 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.