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NCT00703885 · ClinicalTrials.gov registry record · Phase 4

PharmacofMRI (Functional Magnetic Resonance Imaging) of Anxiolytic Medications (Alprazolam)

A Phase 4 study, sponsored by University of California, San Diego.

Completed
Registry status
Phase 4
Development phase
16
Enrollment target

NCT00703885: Completed Phase 4 study, sponsored by University of California, San Diego.

NCT00703885 is a Phase 4 study that has completed, run by University of California, San Diego. The registered enrollment target is 16 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (97% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00703885, a Phase 4 study, has completed, sponsored by University of California, San Diego.

COMPLETED
Registry status
Phase 4
Development phase
16 participants
Enrollment target

Study Summary

The purpose of this study is to use functional magnetic resonance imaging (fMRI) in healthy controls to examine the acute effects of certain anxiolytic medications on brain function.

Primary Outcome

Analysis not completed.

Interventions

  • DRUG placebo
  • DRUG 0.25 mg alprazolam
  • DRUG 1.0 mg alprazolam

Trial Details

FieldValue
Enrollment Target 16 participants
Start Date 2008-01
Est. Completion 2008-08
Phase Phase 4
University of California, San Diego

775 total trials

What the finished NCT00703885 record still lists

NCT00703885 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 16 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (97% lower).

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

NCT00703885 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00703885 about?

NCT00703885 is a clinical study titled "PharmacofMRI (Functional Magnetic Resonance Imaging) of Anxiolytic Medications (Alprazolam)". The purpose of this study is to use functional magnetic resonance imaging (fMRI) in healthy controls to examine the acute effects of certain anxiolytic medications on brain function.

What is the current status of trial NCT00703885?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 16 participants. The study started on 2008-01. Estimated completion is 2008-08.

What interventions are being tested in trial NCT00703885?

The interventions under investigation include: placebo (DRUG), 0.25 mg alprazolam (DRUG), 1.0 mg alprazolam (DRUG).

Who is sponsoring clinical trial NCT00703885?

This trial is sponsored by University of California, San Diego, which has 775 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00703885's enrollment target sits among peer trials

16 1869th of 2000 higher than 121 of 2,000 other Phase 4 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 4 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 NCT00703885, the US trial registry maintained by the National Library of Medicine. NCT00703885 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.