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NCT03259542 · ClinicalTrials.gov registry record · Phase 1

Mifepristone Drug-Drug Interaction Study With CYP3A Inhibitor

A Phase 1 study, sponsored by Corcept Therapeutics.

Completed
Registry status
Phase 1
Development phase
33
Enrollment target

NCT03259542: Completed Phase 1 study, sponsored by Corcept Therapeutics.

NCT03259542 is a Phase 1 study that has completed, run by Corcept Therapeutics. The registered enrollment target is 33 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (45% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03259542, a Phase 1 study, has completed, sponsored by Corcept Therapeutics.

COMPLETED
Registry status
Phase 1
Development phase
33 participants
Enrollment target

Study Summary

This is a Phase 1, single-center, fixed-sequence, open label, drug-drug interaction study of the effect of multiple daily doses of oral itraconazole 200 mg, a strong inhibitor of CYP3A, given with mifepristone 900 mg QD, in healthy male subjects, where all drug administrations are given after a meal.

Primary Outcome

Maximum (peak) plasma drug concentration (Cmax)

Interventions

  • DRUG Mifepristone 300 MG
  • DRUG Itraconazole 100 MG

Trial Details

FieldValue
Enrollment Target 33 participants
Start Date 2017-08-09
Est. Completion 2017-12-11
Phase Phase 1
Corcept Therapeutics

54 total trials

What the finished NCT03259542 record still lists

NCT03259542 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 33 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (45% lower).

The record links to 0 conditions, and to 2 interventions - of which Mifepristone 300 MG is the first listed.

NCT03259542 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03259542 about?

NCT03259542 is a clinical study titled "Mifepristone Drug-Drug Interaction Study With CYP3A Inhibitor". This is a Phase 1, single-center, fixed-sequence, open label, drug-drug interaction study of the effect of multiple daily doses of oral itraconazole 200 mg, a strong inhibitor of CYP3A, given with mifepristone 900 mg QD, in healthy male subjects, where all drug administrations are given after a meal...

What is the current status of trial NCT03259542?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 33 participants. The study started on 2017-08-09. Estimated completion is 2017-12-11.

What interventions are being tested in trial NCT03259542?

The interventions under investigation include: Mifepristone 300 MG (DRUG), Itraconazole 100 MG (DRUG).

Who is sponsoring clinical trial NCT03259542?

This trial is sponsored by Corcept Therapeutics, which has 54 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03259542's enrollment target sits among peer trials

33 1280th of 2000 higher than 705 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 NCT03259542, the US trial registry maintained by the National Library of Medicine. NCT03259542 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.