# Clinical Trial of Solriamfetol for Excessive Sleepiness Related to Shift Work Disorder

> **NCT04788953** · PHASE4 · TERMINATED · sponsor: **Charles A. Czeisler, PhD, MD** · enrollment: 84 (actual)

## Conditions studied

- Excessive Sleepiness
- Shift-work Disorder

## Interventions

- **DRUG:** Solriamfetol Oral Tablet
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT04788953
- **Lead sponsor:** Charles A. Czeisler, PhD, MD
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2021-07-21
- **Primary completion:** 2024-04-06
- **Final completion:** 2024-04-19
- **Target enrollment:** 84 (ACTUAL)
- **Why stopped:** Study was stopped due to funding limitations.
- **Last updated:** 2025-09-24

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04788953

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04788953, "Clinical Trial of Solriamfetol for Excessive Sleepiness Related to Shift Work Disorder". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04788953. Licensed CC0.

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