# A Study of Lemborexant in Chinese Participants With Insomnia Disorder

> **NCT04549168** · PHASE3 · COMPLETED · sponsor: **Eisai Co., Ltd.** · enrollment: 194 (actual)

## Conditions studied

- Sleep Initiation and Maintenance Disorders

## Interventions

- **DRUG:** Lemborexant
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT04549168
- **Lead sponsor:** Eisai Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-11-06
- **Primary completion:** 2023-03-17
- **Final completion:** 2023-03-17
- **Target enrollment:** 194 (ACTUAL)
- **Last updated:** 2024-12-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04549168

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04549168, "A Study of Lemborexant in Chinese Participants With Insomnia Disorder". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04549168. Licensed CC0.

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