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NCT00637494 · ClinicalTrials.gov registry record · Phase 3

A Study of Mifepristone vs. Placebo in the Treatment of Patients With Major Depression With Psychotic Features

A Phase 3 study, sponsored by Corcept Therapeutics.

Terminated
Registry status
Phase 3
Development phase
292
Enrollment target

NCT00637494: Clinical Trial Phase 3 study, sponsored by Corcept Therapeutics.

NCT00637494 is a Phase 3 study that was terminated before completion, run by Corcept Therapeutics. The registered enrollment target is 292 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (62% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00637494, a Phase 3 study, was terminated before completion, sponsored by Corcept Therapeutics.

TERMINATED
Registry status
Phase 3
Development phase
292 participants
Enrollment target

Study Summary

Approximately 450 patients will be randomized to receive mifepristone or placebo for 7 days followed by antidepressant. The purpose is to compare the efficacy of mifepristone followed by antidepressant versus placebo followed by antidepressant in reducing psychotic symptoms in patients with a diagnosis of psychotic depression.

Primary Outcome

Response as measured by 50% reduction in psychosis at Days 7 and 56 was compared between the group administered placebo and the group administered mifepristone

Interventions

  • DRUG placebo
  • DRUG mifepristone

Trial Details

FieldValue
Enrollment Target 292 participants
Start Date 2008-03
Est. Completion 2014-06
Phase Phase 3
Corcept Therapeutics

54 total trials

Why NCT00637494 stopped before completion

NCT00637494 is an interventional study that assigns participants to a tested intervention. The registered 292 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 (62% lower).

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

NCT00637494 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00637494 about?

NCT00637494 is a clinical study titled "A Study of Mifepristone vs. Placebo in the Treatment of Patients With Major Depression With Psychotic Features". Approximately 450 patients will be randomized to receive mifepristone or placebo for 7 days followed by antidepressant. The purpose is to compare the efficacy of mifepristone followed by antidepressant versus placebo followed by antidepressant in reducing psychotic symptoms in patients with a diagno...

What is the current status of trial NCT00637494?

This trial is currently terminated. It is a Phase 3 study. The enrollment target is 292 participants. The study started on 2008-03. Estimated completion is 2014-06.

What interventions are being tested in trial NCT00637494?

The interventions under investigation include: placebo (DRUG), mifepristone (DRUG).

Who is sponsoring clinical trial NCT00637494?

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 NCT00637494's enrollment target sits among peer trials

292 1166th of 2000 higher than 833 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 NCT00637494, the US trial registry maintained by the National Library of Medicine. NCT00637494 (mid enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.