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NCT00139997 · ClinicalTrials.gov registry record · NA
Environmental Treatment for Seasonal Affective Disorder (SAD)
A NA study, sponsored by Yale University.
- Completed
- Registry status
- NA
- Development phase
- 26
- Enrollment target
NCT00139997: Completed NA study, sponsored by Yale University.
NCT00139997 is a NA study that has completed, run by Yale University. The registered enrollment target is 26 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
NCT00139997, a NA study, has completed, sponsored by Yale University.
- COMPLETED
- Registry status
- NA
- Development phase
- 26 participants
- Enrollment target
Study Summary
The purpose is to study treatments of Seasonal Affective Disorder (SAD).
Primary Outcome
SIGH SAD Structured Interview Guide for the Hamilton Depression Rating Scale, Seasonal Affective Disorder (SAD)version. The items are augmented with additional items to reflect better the atypical depressive symptoms usually seen in SAD, eg, increased sleep, weight, appetite and fatigue. On this scale, higher scores reflect increased depression intensity. The maximum score attainable is 63, and the minimum is 0. A score of less than 9 is regarded as consistent with normal mood, the absence of ma
Interventions
- DEVICE Litebook treatment devices
- DEVICE Inactivated negative ion generator
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 26 participants |
| Start Date | 2002-01 |
| Est. Completion | 2005-08 |
| Phase | NA |
What the finished NCT00139997 record still lists
NCT00139997 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 26 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 Litebook treatment devices is the first listed.
NCT00139997 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00139997 about?
NCT00139997 is a clinical study titled "Environmental Treatment for Seasonal Affective Disorder (SAD)". The purpose is to study treatments of Seasonal Affective Disorder (SAD).
What is the current status of trial NCT00139997?
This trial is currently completed. It is a NA study. The enrollment target is 26 participants. The study started on 2002-01. Estimated completion is 2005-08.
What interventions are being tested in trial NCT00139997?
The interventions under investigation include: Litebook treatment devices (DEVICE), Inactivated negative ion generator (DEVICE).
Who is sponsoring clinical trial NCT00139997?
This trial is sponsored by Yale University, which has 1,492 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00139997's enrollment target sits among peer trials
26 1710th of 2000 higher than 289 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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