- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01785199
Effects of Head Elevation by a Bed on Sleep-disordered Breathing
Effects of Head Elevation by an Adjustable Bed on Sleep-disordered Breathing
Study Overview
Status
Intervention / Treatment
Detailed Description
From the Chest and Otorhinolaryngology Department, patients with symptomatic sleep-disordered breathing will be referred to the Sleep Center. After an interview these subjects will undergo a full-night polysomnography (PSG). Patients who are eligible for this study will sleep on an automatic adjustable bed with a second PSG performed within the next one month. The automatic device is initiated when the patient suffers from apnea ≥ 10 seconds, which is detected by an ultra-wideband (UWB) sensor placed under the bed. The head will be slightly elevated at an angle of 10 degrees lasting 10 seconds and then be put down softly. Parameters of sleep efficiency and architecture, apnea-hypopnea index (AHI), and oxygen saturation will be obtained during each PSG. According to the severity, enrolled patients will be classified into 4 groups as normal (AHI < 5), mild OSA (AHI between 5 and 15), moderate OSA (AHI between 15 and 30) and severe OSA (AHI > 30).
Using an automatic adjustable bed will improve sleep-disordered breathing with a reduction of AHI score is assumed. The minimal sample size is estimated to be 14 subjects per group with the intention of providing 80% power and an overall two-sided 5% type I error. A total of 60 subjects (15 subjects per group) will be enrolled to achieve the necessary number of evaluable subjects, anticipating roughly a 10% drop-out rate.
Informed written consent will be obtained from all subjects. This study was approved by the Mackay Memorial Hospital Institutional Review Board.
Study Type
Enrollment (Anticipated)
Phase
- Phase 1
Contacts and Locations
Study Contact
- Name: Ching-Lung Liu, MD
- Phone Number: 2863 +886-2-28094661
- Email: lraphael.tw@yahoo.com.tw
Study Locations
-
-
-
New Taipei City, Taiwan, 25160
- Recruiting
- Mackay Memorial Hospital, Tamshui Branch
-
Contact:
- Ching-Lung Liu, MD
- Phone Number: 2863 +886-2-28094661
- Email: lraphael.tw@yahoo.com.tw
-
Principal Investigator:
- Ching-Lung Liu, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Subjects known to have snoring or sleep-disordered breathing
Exclusion Criteria:
- Refusal to participate
- Pregnancy
- Psychiatric disorders
- Clinical instability in the previous month
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: normal (AHI < 5)
Patients who are eligible for this study will sleep on an automatic adjustable bed with a second PSG performed within the next one month.
|
The automatic device is initiated when the patient suffers from apnea ≥ 10 seconds, which is detected by an ultra-wideband (UWB) sensor placed under the bed.
The head will be slightly elevated at an angle of 10 degrees lasting 10 seconds and then be put down softly.
|
Active Comparator: mild OSA (AHI between 5 and 15)
Patients who are eligible for this study will sleep on an automatic adjustable bed with a second PSG performed within the next one month.
|
The automatic device is initiated when the patient suffers from apnea ≥ 10 seconds, which is detected by an ultra-wideband (UWB) sensor placed under the bed.
The head will be slightly elevated at an angle of 10 degrees lasting 10 seconds and then be put down softly.
|
Active Comparator: moderate OSA (AHI between 15 and 30)
Patients who are eligible for this study will sleep on an automatic adjustable bed with a second PSG performed within the next one month.
|
The automatic device is initiated when the patient suffers from apnea ≥ 10 seconds, which is detected by an ultra-wideband (UWB) sensor placed under the bed.
The head will be slightly elevated at an angle of 10 degrees lasting 10 seconds and then be put down softly.
|
Active Comparator: severe OSA (AHI > 30)
Patients who are eligible for this study will sleep on an automatic adjustable bed with a second PSG performed within the next one month.
|
The automatic device is initiated when the patient suffers from apnea ≥ 10 seconds, which is detected by an ultra-wideband (UWB) sensor placed under the bed.
The head will be slightly elevated at an angle of 10 degrees lasting 10 seconds and then be put down softly.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Reduction of AHI score.
Time Frame: Two full-night PSGs will be performed within one month
|
Using an automatic adjustable bed will improve sleep-disordered breathing with a reduction of AHI score is assumed.
|
Two full-night PSGs will be performed within one month
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Ching-Lung Liu, MD, Sleep Center, Mackay Memorial Hospital
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- UWB-C-008
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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