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NCT00280423 · ClinicalTrials.gov registry record · Phase 2

Effects Of GW679769 On Sleep Onset And Maintenance And Next Day Functioning In Subjects With Primary Insomnia

A Phase 2 study of Insomnia and Sleep Initiation and Maintenance Disorders, sponsored by GlaxoSmithKline.

Completed
Registry status
Phase 2
Development phase
342
Enrollment target
20
Study locations

NCT00280423: Completed Phase 2 study of Insomnia and Sleep Initiation and Maintenance Disorders, sponsored by GlaxoSmithKline.

NCT00280423 is a Phase 2 study of Insomnia and Sleep Initiation and Maintenance Disorders that has completed, run by GlaxoSmithKline. The registered enrollment target is 342 participants, above the 168-participant average among 151 other Insomnia trials with a reported enrollment target (104% higher). The trial reports 20 study locations across 6 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00280423, a Phase 2 study of Insomnia and Sleep Initiation and Maintenance Disorders, has completed, sponsored by GlaxoSmithKline.

COMPLETED
Registry status
Phase 2
Development phase
342 participants
Enrollment target
20
Study locations

Study Summary

This study is designed to find the optimal (best) doses of GW679769 that could be given daily to promote sleep onset and maintain sleep during the night without significant next-day thinking impairment and drowsiness in subjects with primary insomnia.

Interventions

  • DRUG GW679769

Study Locations (20)

California

  • GSK Investigational Site - Burbank
  • GSK Investigational Site - Huntington Beach
  • GSK Investigational Site - Irvine
  • GSK Investigational Site - Los Angeles
  • GSK Investigational Site - National City
  • GSK Investigational Site - San Diego
  • GSK Investigational Site - San Diego
  • GSK Investigational Site - San Diego
  • GSK Investigational Site - San Francisco
  • GSK Investigational Site - Santa Rosa

Florida

  • GSK Investigational Site - DeLand
  • GSK Investigational Site - Delray Beach
  • GSK Investigational Site - Hallandale
  • GSK Investigational Site - Largo
  • GSK Investigational Site - Miami

Arizona

  • GSK Investigational Site - Phoenix
  • GSK Investigational Site - Tucson

Alabama

  • GSK Investigational Site - Birmingham

Arkansas

  • GSK Investigational Site - Little Rock

Connecticut

  • GSK Investigational Site - Norwalk

Trial Details

FieldValue
Enrollment Target 342 participants
Start Date 2006-01
Est. Completion 2007-02
Phase Phase 2
GlaxoSmithKline

1,345 total trials

What the finished NCT00280423 record still lists

NCT00280423 is an interventional study that assigns participants to a tested intervention. The registered 342 participants enrollment target is mid-sized for trials with a published cap, above the 168-participant average among 151 other Insomnia trials with a reported enrollment target (104% higher).

The record links to 2 conditions, with Insomnia appearing as the primary indexed condition, and to 1 intervention - of which GW679769 is the first listed.

NCT00280423 names 20 study sites across 6 states, led by California, Florida, Arizona.

Frequently Asked Questions

What is clinical trial NCT00280423 about?

NCT00280423 is a clinical study titled "Effects Of GW679769 On Sleep Onset And Maintenance And Next Day Functioning In Subjects With Primary Insomnia". This study is designed to find the optimal (best) doses of GW679769 that could be given daily to promote sleep onset and maintain sleep during the night without significant next-day thinking impairment and drowsiness in subjects with primary insomnia.

What is the current status of trial NCT00280423?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 342 participants. The study started on 2006-01. Estimated completion is 2007-02.

What conditions does trial NCT00280423 study?

This clinical trial studies the following conditions: Insomnia, Sleep Initiation and Maintenance Disorders.

What interventions are being tested in trial NCT00280423?

The interventions under investigation include: GW679769 (DRUG).

Who is sponsoring clinical trial NCT00280423?

This trial is sponsored by GlaxoSmithKline, which has 1,345 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT00280423 being conducted?

This trial has 20 study locations across Alabama, Arizona, Arkansas, California, Connecticut. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Insomnia

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT00280423's enrollment target sits among peer trials

342 19th of 151 higher than 133 of 151 other Insomnia trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Insomnia 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 NCT00280423, the US trial registry maintained by the National Library of Medicine. NCT00280423 (mid enrollment · wide site footprint · completed) retrieved and formatted by PlainTrial, see methodology.