# Testing the Effectiveness of an Evening Blue-depleted Light Environment in an Acute Psychiatric Ward

> **NCT03788993** · NA · COMPLETED · sponsor: **St. Olavs Hospital** · enrollment: 475 (actual)

## Conditions studied

- Mental Disorder

## Interventions

- **OTHER:** Blue-depleted evening light condition
- **OTHER:** Normal light condition

## Key facts

- **NCT ID:** NCT03788993
- **Lead sponsor:** St. Olavs Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-10-23
- **Primary completion:** 2019-11-29
- **Final completion:** 2021-12-01
- **Target enrollment:** 475 (ACTUAL)
- **Last updated:** 2022-03-08

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03788993

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03788993, "Testing the Effectiveness of an Evening Blue-depleted Light Environment in an Acute Psychiatric Ward". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03788993. Licensed CC0.

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