Cognitive Function and Quality of Life in Obstructive Sleep Apnea

Sponsor
Assiut University
Study ID
NCT07678918
Status
Not Yet Recruiting

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Conditions

  • Cognitive Impairment
  • Obstructive Sleep Apnea
  • Quality of Life

Eligibility Criteria

Sex
ALL
Age
18 Years - N/A
Healthy Volunteers
Not accepted

Study Details

Obstructive Sleep Apnea (OSA) is a common condition that disrupts normal breathing during sleep. Beyond causing daytime tiredness, OSA can also impact a person's cognitive functions, such as their attention span, memory, and problem-solving skills, which may in turn affect their overall quality of life. The main purpose of this study is to compare the thinking and memory skills of adults recently diagnosed with OSA against a control group of healthy adults without the condition. Furthermore, the researchers aim to understand how specific cognitive challenges (like difficulty sustaining attention) relate to a patient's physical and mental well-being. Participants in the study will undergo an overnight sleep test (diagnostic polysomnography) at a sleep clinic. Shortly after the sleep test, participants will complete a series of short, computer-based tasks designed to measure their attention, memory, and executive function. They will also be asked to fill out standard questionnaires regarding their daily sleepiness, mood, and health-related quality of life.

Key Dates

First listed
Jul 1, 2026
Start date
Aug 31, 2026
Status verified
Jun 2026
Primary completion
Aug 31, 2027
Completion
Sep 30, 2027

Study Design

Enrollment
86 participants (estimated)

Arms

  • Arm: Patients Group (OSA)
    Patients aged \> 18 years meeting the AASM diagnostic criteria for obstructive sleep apnea (OSA) who are attending the Sleep Medicine Unit for diagnostic polysomnography (PSG).
  • Arm: Control Group
    Healthy community members matched to the patient group by age, sex, education level, social status, and comorbidities, who do not have an intermediate or high risk of undiagnosed OSA as assessed by the STOP-BANG questionnaire.

Primary Outcome Measure

Time on the Psychomotor Vigilance Task (PVT) [ Time Frame: Within 10 days following the diagnostic polysomnography (PSG) ]

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