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NCT01863446 · ClinicalTrials.gov registry record · NA
Effects of Light on Melatonin and Contractions in Pregnant Women
A NA study, sponsored by Brigham and Women's Hospital.
- Completed
- Registry status
- NA
- Development phase
- 51
- Enrollment target
NCT01863446: Completed NA study, sponsored by Brigham and Women's Hospital.
NCT01863446 is a NA study that has completed, run by Brigham and Women's Hospital. The registered enrollment target is 51 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (96% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01863446, a NA study, has completed, sponsored by Brigham and Women's Hospital.
- COMPLETED
- Registry status
- NA
- Development phase
- 51 participants
- Enrollment target
Study Summary
Specific Aim: Test the hypothesis that ocular light exposure will suppress melatonin secretion and reduce uterine contractions in women at late term pregnancies. Secondary aim. Test the hypothesis that ocular light exposure will reduce self-reported uterine contractions in women at late term pregnancies.
Primary Outcome
Melatonin will be assessed using concentrations in saliva or blood. AUC will be calculated using melatonin concentrations during the Outcome Measure Time Frame. (1) for Lighting1 and Lighting2, the AUC for night 1; (2) for Lighting3 and Lighting4, the AUC for Night 2
Interventions
- DEVICE Lighting1
- DEVICE Lighting2
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 51 participants |
| Start Date | 2013-05 |
| Est. Completion | 2023-12 |
| Phase | NA |
What the finished NCT01863446 record still lists
NCT01863446 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 51 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (96% lower).
The record links to 0 conditions, and to 2 interventions - of which Lighting1 is the first listed.
NCT01863446 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01863446 about?
NCT01863446 is a clinical study titled "Effects of Light on Melatonin and Contractions in Pregnant Women". Specific Aim: Test the hypothesis that ocular light exposure will suppress melatonin secretion and reduce uterine contractions in women at late term pregnancies. Secondary aim. Test the hypothesis that ocular light exposure will reduce self-reported uterine contractions in women at late term pregna...
What is the current status of trial NCT01863446?
This trial is currently completed. It is a NA study. The enrollment target is 51 participants. The study started on 2013-05. Estimated completion is 2023-12.
What interventions are being tested in trial NCT01863446?
The interventions under investigation include: Lighting1 (DEVICE), Lighting2 (DEVICE).
Who is sponsoring clinical trial NCT01863446?
This trial is sponsored by Brigham and Women's Hospital, which has 937 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01863446's enrollment target sits among peer trials
51 1279th of 2000 higher than 722 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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