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NCT03947918 · ClinicalTrials.gov registry record · NA
Summertime: Kids in Motion
A NA study, sponsored by University of California, San Francisco.
- Terminated
- Registry status
- NA
- Development phase
- 34
- Enrollment target
NCT03947918: Clinical Trial NA study, sponsored by University of California, San Francisco.
NCT03947918 is a NA study that was terminated before completion, run by University of California, San Francisco. The registered enrollment target is 34 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03947918, a NA study, was terminated before completion, sponsored by University of California, San Francisco.
- TERMINATED
- Registry status
- NA
- Development phase
- 34 participants
- Enrollment target
Study Summary
This is a 3-week randomized crossover study to determine the effect of the prior night's sleep duration on energy-balance related behaviors of diet and physical activity the following day. In Week 1, child participants will sleep their usual amount. In week 2, participants will be randomized to either a sleep restricted or a healthy sleep condition for 4 nights. In week 3, participants will cross over to the opposite sleep condition for 4 nights.
Primary Outcome
Sleep duration will be measured with accelerometers.
Interventions
- BEHAVIORAL Short sleep
- BEHAVIORAL Long sleep
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 34 participants |
| Start Date | 2018-06-17 |
| Est. Completion | 2020-03-09 |
| Phase | NA |
Why NCT03947918 stopped before completion
NCT03947918 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 34 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower).
The record links to 0 conditions, and to 2 interventions - of which Short sleep is the first listed.
NCT03947918 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03947918 about?
NCT03947918 is a clinical study titled "Summertime: Kids in Motion". This is a 3-week randomized crossover study to determine the effect of the prior night's sleep duration on energy-balance related behaviors of diet and physical activity the following day. In Week 1, child participants will sleep their usual amount. In week 2, participants will be randomized to eith...
What is the current status of trial NCT03947918?
This trial is currently terminated. It is a NA study. The enrollment target is 34 participants. The study started on 2018-06-17. Estimated completion is 2020-03-09.
What interventions are being tested in trial NCT03947918?
The interventions under investigation include: Short sleep (BEHAVIORAL), Long sleep (BEHAVIORAL).
Who is sponsoring clinical trial NCT03947918?
This trial is sponsored by University of California, San Francisco, which has 1,713 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03947918's enrollment target sits among peer trials
34 1570th of 2000 higher than 427 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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