# Lemborexant in Delayed Sleep Phase Syndrome

> **NCT05463861** · PHASE4 · COMPLETED · sponsor: **Stanford University** · enrollment: 71 (actual)

## Conditions studied

- Delayed Sleep Phase Syndrome

## Interventions

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

## Key facts

- **NCT ID:** NCT05463861
- **Lead sponsor:** Stanford University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2022-02-01
- **Primary completion:** 2026-01-21
- **Final completion:** 2026-01-21
- **Target enrollment:** 71 (ACTUAL)
- **Last updated:** 2026-03-02

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05463861

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05463861, "Lemborexant in Delayed Sleep Phase Syndrome". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT05463861. Licensed CC0.

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