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NCT00055575 · ClinicalTrials.gov registry record · Phase 2

Cholinergic Modulation of Condition and Emotion in Mood Disorders: Functional Neuroimaging Studies

A Phase 2 study, sponsored by National Institute of Mental Health (NIMH).

Terminated
Registry status
Phase 2
Development phase
197
Enrollment target

NCT00055575: Clinical Trial Phase 2 study, sponsored by National Institute of Mental Health (NIMH).

NCT00055575 is a Phase 2 study that was terminated before completion, run by National Institute of Mental Health (NIMH). The registered enrollment target is 197 participants, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (48% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00055575, a Phase 2 study, was terminated before completion, sponsored by National Institute of Mental Health (NIMH).

TERMINATED
Registry status
Phase 2
Development phase
197 participants
Enrollment target

Study Summary

This study looks at the role of a specific brain chemical system in the mood and attention symptoms seen in major depression and bipolar disorders using functional brain imaging.

Interventions

  • DRUG Scopolamine Nasal Spray

Trial Details

FieldValue
Enrollment Target 197 participants
Start Date 2003-02-27
Est. Completion 2015-02-02
Phase Phase 2

Why NCT00055575 stopped before completion

NCT00055575 is an interventional study that assigns participants to a tested intervention. The registered 197 participants enrollment target is mid-sized for trials with a published cap, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (48% higher).

The record links to 0 conditions, and to 1 intervention - of which Scopolamine Nasal Spray is the first listed.

NCT00055575 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00055575 about?

NCT00055575 is a clinical study titled "Cholinergic Modulation of Condition and Emotion in Mood Disorders: Functional Neuroimaging Studies". This study looks at the role of a specific brain chemical system in the mood and attention symptoms seen in major depression and bipolar disorders using functional brain imaging.

What is the current status of trial NCT00055575?

This trial is currently terminated. It is a Phase 2 study. The enrollment target is 197 participants. The study started on 2003-02-27. Estimated completion is 2015-02-02.

What interventions are being tested in trial NCT00055575?

The interventions under investigation include: Scopolamine Nasal Spray (DRUG).

Who is sponsoring clinical trial NCT00055575?

This trial is sponsored by National Institute of Mental Health (NIMH), which has 343 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00055575's enrollment target sits among peer trials

197 349th of 2000 higher than 1,652 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 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 NCT00055575, the US trial registry maintained by the National Library of Medicine. NCT00055575 (mid enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.