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NCT04251234 · ClinicalTrials.gov registry record · NA
Light at Night Study
A NA study, sponsored by University of Michigan.
- Terminated
- Registry status
- NA
- Development phase
- 2
- Enrollment target
NCT04251234: Clinical Trial NA study, sponsored by University of Michigan.
NCT04251234 is a NA study that was terminated before completion, run by University of Michigan. The registered enrollment target is 2 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (100% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT04251234, a NA study, was terminated before completion, sponsored by University of Michigan.
- TERMINATED
- Registry status
- NA
- Development phase
- 2 participants
- Enrollment target
Study Summary
The purpose of this mechanistic study is to examine light sensitivity (melatonin suppression) in people with bipolar depression I, and compare it to healthy controls. This is not a treatment study.
Primary Outcome
Melatonin will be reported as an average percentage of suppression in the \~30 lux condition as compared to \<1 lux
Interventions
- OTHER Light intensity, ~30 lux
- OTHER Baseline light intensity, <1 lux
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 2 participants |
| Start Date | 2020-10-15 |
| Est. Completion | 2021-08-04 |
| Phase | NA |
Why NCT04251234 stopped before completion
NCT04251234 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 2 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (100% lower).
The record links to 0 conditions, and to 2 interventions - of which Light intensity, ~30 lux is the first listed.
NCT04251234 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT04251234 about?
NCT04251234 is a clinical study titled "Light at Night Study". The purpose of this mechanistic study is to examine light sensitivity (melatonin suppression) in people with bipolar depression I, and compare it to healthy controls. This is not a treatment study.
What is the current status of trial NCT04251234?
This trial is currently terminated. It is a NA study. The enrollment target is 2 participants. The study started on 2020-10-15. Estimated completion is 2021-08-04.
What interventions are being tested in trial NCT04251234?
The interventions under investigation include: Light intensity, ~30 lux (OTHER), Baseline light intensity, <1 lux (OTHER).
Who is sponsoring clinical trial NCT04251234?
This trial is sponsored by University of Michigan, which has 1,327 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT04251234's enrollment target sits among peer trials
2 1997th of 2000 the lowest of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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