ClinicalTrials.gov record
Terminated Not applicable Interventional Accepts healthy volunteers

Light at Night Study

ClinicalTrials.gov ID: NCT04251234

Public ClinicalTrials.gov record NCT04251234. 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.

ClinicalTrials.gov public records Last synced May 17, 2026, 8:58 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Study identification

NCT ID
NCT04251234
Recruitment status
Terminated
Study type
Interventional
Phase
Not applicable
Lead sponsor
University of Michigan
Other
Enrollment
2 participants

Conditions and interventions

Interventions

  • Baseline light intensity, <1 lux Other
  • Light intensity, ~30 lux Other

Other

Eligibility (public fields only)

Age range
18 Years to 45 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
Oct 14, 2020
Primary completion
Aug 3, 2021
Completion
Aug 3, 2021
Last update posted
Aug 11, 2021

2020 – 2021

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of Michigan Ann Arbor Michigan 48105

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 NCT04251234, 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 Aug 11, 2021 · Synced May 17, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04251234 live on ClinicalTrials.gov.

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