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NCT00414037 · ClinicalTrials.gov registry record · Phase 4

How do Sleeping Pills Affect Pain in the Brain?

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

Terminated
Registry status
Phase 4
Development phase
40
Enrollment target

NCT00414037: Clinical Trial Phase 4 study, sponsored by University of California, San Diego.

NCT00414037 is a Phase 4 study that was terminated before completion, run by University of California, San Diego. The registered enrollment target is 40 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (92% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00414037, a Phase 4 study, was terminated before completion, sponsored by University of California, San Diego.

TERMINATED
Registry status
Phase 4
Development phase
40 participants
Enrollment target

Study Summary

If you are age 20-55 years old and have trouble falling or staying asleep, then please contact a UCSD research team to find out how a study drug affects these symptoms and how your brain works. This is a one-week experimental pain research study using a study drug compared to placebo. Your participation will include questionnaires, a physical exam and functional Magnetic Resonance Imaging (fMRI) brain imaging techniques. We will test pain perception by applying brief mild to moderate heat pain to the forearm, and also have you perform simple computer tasks while we image and record brain activity using fMRI.

Interventions

  • DRUG Placebo
  • DRUG Eszopiclone

Trial Details

FieldValue
Enrollment Target 40 participants
Start Date 2006-12
Est. Completion 2008-12
Phase Phase 4
University of California, San Diego

775 total trials

Why NCT00414037 stopped before completion

NCT00414037 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 40 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (92% lower).

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

NCT00414037 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00414037 about?

NCT00414037 is a clinical study titled "How do Sleeping Pills Affect Pain in the Brain?". If you are age 20-55 years old and have trouble falling or staying asleep, then please contact a UCSD research team to find out how a study drug affects these symptoms and how your brain works. This is a one-week experimental pain research study using a study drug compared to placebo. Your participa...

What is the current status of trial NCT00414037?

This trial is currently terminated. It is a Phase 4 study. The enrollment target is 40 participants. The study started on 2006-12. Estimated completion is 2008-12.

What interventions are being tested in trial NCT00414037?

The interventions under investigation include: Placebo (DRUG), Eszopiclone (DRUG).

Who is sponsoring clinical trial NCT00414037?

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 NCT00414037's enrollment target sits among peer trials

40 1397th of 2000 higher than 533 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 NCT00414037, the US trial registry maintained by the National Library of Medicine. NCT00414037 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.