# Facilitation of Zolpidem (≥10 mg) Discontinuation Through Use of Ramelteon in Subjects With Chronic Insomnia

> **NCT00492232** · PHASE4 · COMPLETED · sponsor: **Takeda** · enrollment: 135 (actual)

## Conditions studied

- Chronic Insomnia

## Interventions

- **DRUG:** Ramelteon and zolpidem
- **DRUG:** Placebo and zolpidem

## Key facts

- **NCT ID:** NCT00492232
- **Lead sponsor:** Takeda
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-04
- **Primary completion:** 2008-03
- **Final completion:** 2008-05
- **Target enrollment:** 135 (ACTUAL)
- **Last updated:** 2010-07-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00492232

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00492232, "Facilitation of Zolpidem (≥10 mg) Discontinuation Through Use of Ramelteon in Subjects With Chronic Insomnia". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT00492232. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
