Effect of Lighting Supplementation on Daytime Cognition
Public ClinicalTrials.gov record NCT04745312. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
The Effect of Lighting Supplementation on Cognitive Task Performance During the Day
Study identification
- NCT ID
- NCT04745312
- Recruitment status
- Not listed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Enrollment
- 16 participants
Conditions and interventions
Conditions
Interventions
- Visible light Device
Device
Eligibility (public fields only)
- Age range
- 18 Years to 30 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 28, 2021
- Primary completion
- Feb 28, 2022
- Completion
- Feb 28, 2022
- Last update posted
- Feb 17, 2022
2021 – 2022
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Brigham and Women's Hospital | Boston | Massachusetts | 02115 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04745312, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 17, 2022 · Synced May 18, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04745312 live on ClinicalTrials.gov.