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NCT04714554 · ClinicalTrials.gov registry record · Phase 1

A Study of the Effects of Erythromycin on the Pharmacokinetics of Relugolix, Estradiol, and Norethindrone in Healthy Postmenopausal Women and on the Pharmacokinetics of Relugolix in Healthy Adult Men

A Phase 1 study, sponsored by Myovant Sciences.

Completed
Registry status
Phase 1
Development phase
43
Enrollment target

NCT04714554: Completed Phase 1 study, sponsored by Myovant Sciences.

NCT04714554 is a Phase 1 study that has completed, run by Myovant Sciences. The registered enrollment target is 43 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (28% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04714554, a Phase 1 study, has completed, sponsored by Myovant Sciences.

COMPLETED
Registry status
Phase 1
Development phase
43 participants
Enrollment target

Study Summary

This is a two-part, open-label, fixed-sequence, two-period crossover drug interaction study to assess the potential effects of erythromycin on the pharmacokinetics of relugolix, estradiol (E2), and norethindrone (NET) in healthy postmenopausal women (Part 1) and the pharmacokinetics of relugolix in healthy adult men (Part 2).

Interventions

  • DRUG Relugolix
  • DRUG Erythromycin
  • DRUG Relugolix/E2/NETA FDC

Trial Details

FieldValue
Enrollment Target 43 participants
Start Date 2021-01-06
Est. Completion 2021-03-29
Phase Phase 1
Myovant Sciences

11 total trials

What the finished NCT04714554 record still lists

NCT04714554 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 43 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (28% lower).

The record links to 0 conditions, and to 3 interventions - of which Relugolix is the first listed.

NCT04714554 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04714554 about?

NCT04714554 is a clinical study titled "A Study of the Effects of Erythromycin on the Pharmacokinetics of Relugolix, Estradiol, and Norethindrone in Healthy Postmenopausal Women and on the Pharmacokinetics of Relugolix in Healthy Adult Men". This is a two-part, open-label, fixed-sequence, two-period crossover drug interaction study to assess the potential effects of erythromycin on the pharmacokinetics of relugolix, estradiol (E2), and norethindrone (NET) in healthy postmenopausal women (Part 1) and the pharmacokinetics of relugolix in ...

What is the current status of trial NCT04714554?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 43 participants. The study started on 2021-01-06. Estimated completion is 2021-03-29.

What interventions are being tested in trial NCT04714554?

The interventions under investigation include: Relugolix (DRUG), Erythromycin (DRUG), Relugolix/E2/NETA FDC (DRUG).

Who is sponsoring clinical trial NCT04714554?

This trial is sponsored by Myovant Sciences, which has 11 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04714554's enrollment target sits among peer trials

43 1100th of 2000 higher than 896 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 NCT04714554, the US trial registry maintained by the National Library of Medicine. NCT04714554 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.