# Safety and Efficacy of Ramelteon in Adults With Chronic Insomnia

> **NCT00237497** · PHASE3 · COMPLETED · sponsor: **Takeda** · enrollment: 275 (actual)

## Conditions studied

- Balance

## Interventions

- **DRUG:** Ramelteon
- **DRUG:** Zopiclone
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00237497
- **Lead sponsor:** Takeda
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-07
- **Primary completion:** 2006-10
- **Final completion:** 2006-10
- **Target enrollment:** 275 (ACTUAL)
- **Last updated:** 2012-02-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00237497

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00237497, "Safety and Efficacy of Ramelteon in Adults With Chronic Insomnia". Retrieved via AI Analytics 2026-07-15 from https://api.ai-analytics.org/clinical/NCT00237497. Licensed CC0.

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