Glasses for Adolescent Delayed Sleep-Wake Phase Disorder
Public ClinicalTrials.gov record NCT04378933. 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
Glasses for Adolescent Delayed Sleep-Wake Phase Disorder (GLAD)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to determine if evening amber glasses combined with stable wake times will show an increase in total sleep time (TST) and an advance in sleep onset times (shift earlier) compared to the control group.
Study identification
- NCT ID
- NCT04378933
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 34 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 14 Years to 17 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 27, 2019 (Actual)
- Primary completion
- Jun 3, 2022 (Actual)
- Completion
- Jun 3, 2022 (Actual)
- Last update posted
- May 6, 2023
2019 – 2022
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Rush University Medical Center | Chicago | Illinois | 60612 | — |
| Mayo Clinic in Rochester | Rochester | Minnesota | 55905 | — |
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 NCT04378933, 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 May 6, 2023 · Synced Oct 19, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04378933 live on ClinicalTrials.gov.