Pathophysiology of Circadian Rhythm Delayed Sleep Wake Phase Disorder

Recruiting now · Not applicable

Conditions studied: Delayed Sleep Phase Syndrome, Delayed Sleep Phase

In brief

The goal of this study is to understand factors that contribute to delayed sleep wake phase disorder (DSWPD). The investigators will examine whether patients with DSWPD exhibit alterations in circadian rhythms and sensitivity to light compared to healthy controls. The investigators will also test a new method of predicting circadian rhythms form a blood sample.

Key facts

Study ID

NCT06471374

Run by

University of Colorado, Boulder

People needed

66

Starts

2024-04-02

Expected to finish

2028-07-01

Last updated by the study team

2026-06-17

Who can join

Age: 16 and older, up to 40. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Delayed sleep wake phase disorder diagnosis
• Altitude history: currently residing at Denver altitude or higher
• BMI normal to moderately overweight

You may not qualify if…

• Recent medical condition
• Psychiatric disorder
• Sleep disorder
• Medication use

Where it is running

• University of Colorado — Boulder, Colorado, United States (enrolling)
• Northwestern University — Chicago, Illinois, United States (enrolling)

Full record on ClinicalTrials.gov

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