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Effect of Morning Light Exposure on Mood

RecruitingNAAges 18 Years - 60 YearsAllUniversity of Arizona
NCT05616819 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Mood dysregulation and suicidal ideation are closely associated with disruption of sleep and circadian rhythms. Moreover, sleep problems and circadian disruption are commonplace features of military life. Critically, specifically timed light exposure plays a powerful role in regulating mood, circadian rhythms, and sleep-wake patterns. Therefore, investigators propose to conduct a large-scale clinical trial on the effectiveness of morning light exposure treatment for improving sleep-wake patterns, emotional and mental health, and suicidal thoughts in military personnel.

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📋 Eligibility rules (as published)
Inclusion Criteria: * Ages 18-60 years * At least an 8th grade reading level * Score ≥ 5 (i.e., mild depression or greater) on the Patient Health Questionnaire 9 (PHQ-9) * Service member of any Armed Forces branch, including active duty, Reserve, or National Guard Exclusion Criteria: * Not actively serving in an Armed Force branch * Scored (i.e., \< 5) range on the PHQ-9 (non-depressed) * Pregnant or trying to become pregnant * Breastfeeding * History of psychotic disorder or manic episodes * Bipolar disorder * Diseases of the eye * Have had cataract surgery * Frequent and light-sensitive migraine headaches * Self-reported plan to regularly engage in nightshift work during the 6-week course of the study
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What it tests

  • Active light exposure
  • Placebo light exposure
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Where

1 site
University of Arizona
Tucson, United States
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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