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NCT00671190 · ClinicalTrials.gov registry record · Phase 2

Safety and Efficacy of Ramelteon in Healthy Subjects

A Phase 2 study, sponsored by Takeda.

Completed
Registry status
Phase 2
Development phase
75
Enrollment target

NCT00671190: Completed Phase 2 study, sponsored by Takeda.

NCT00671190 is a Phase 2 study that has completed, run by Takeda. The registered enrollment target is 75 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (44% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00671190, a Phase 2 study, has completed, sponsored by Takeda.

COMPLETED
Registry status
Phase 2
Development phase
75 participants
Enrollment target

Study Summary

The purpose of this study is to determine the phase-advance in circadian rhythms in healthy adults subjects taking ramelteon, once daily (QD).

Interventions

  • DRUG Placebo
  • DRUG Ramelteon

Trial Details

FieldValue
Enrollment Target 75 participants
Start Date 2005-03
Est. Completion 2005-05
Phase Phase 2
Takeda

408 total trials

What the finished NCT00671190 record still lists

NCT00671190 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 75 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (44% lower).

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

NCT00671190 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00671190 about?

NCT00671190 is a clinical study titled "Safety and Efficacy of Ramelteon in Healthy Subjects". The purpose of this study is to determine the phase-advance in circadian rhythms in healthy adults subjects taking ramelteon, once daily (QD).

What is the current status of trial NCT00671190?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 75 participants. The study started on 2005-03. Estimated completion is 2005-05.

What interventions are being tested in trial NCT00671190?

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

Who is sponsoring clinical trial NCT00671190?

This trial is sponsored by Takeda, which has 408 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00671190's enrollment target sits among peer trials

75 900th of 2000 higher than 1,081 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 NCT00671190, the US trial registry maintained by the National Library of Medicine. NCT00671190 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.