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BresoTEC has designed and developed a standalone wearable device (the patch), that can record tracheal sounds with a microphone attached just above the suprasternal notch of the subject.
The patch also has a 3-dimensional accelerometer to record body position. Furthermore, the patch records oxygen saturation using an FDA cleared pulse oximeter, Nonin 3150 WristOx2® with Bluetooth Low Energy. We have developed advanced signal processing algorithms to detect apneas and hypopneas. Many of these techniques for analyzing breathing sounds and detecting apneas and hypopneas have been published in peer-reviewed journals.
The goal of this study is to validate the patch against polysomnography (PSG) for use as an aid in the diagnosis of sleep apnea for adult patients. Our primary objective is to assess whether the estimated apnea-hypopnea index (AHI) calculated by the patch agrees with the results of an in-laboratory PSG.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Wearable Device and PSG | Experimental | The device under investigation (the patch) will be used in patients undergoing overnight polysomnography simultaneously, to compare the accuracy of the investigational device against the gold standard for the diagnosis of sleep apnea. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| patch | Device | A standalone wearable device (the patch), that can record tracheal sounds with a microphone attached just above the suprasternal notch of the subject. The patch also has a 3-dimensional accelerometer to record body position. Furthermore, the patch records oxygen saturation using an FDA cleared pulse oximeter, Nonin 3150 WristOx2® with Bluetooth Low Energy. |
| Measure | Description | Time Frame |
|---|---|---|
| Estimation of AHI | Validate the performance of the patch in estimating the AHI compared to an in-laboratory PSG. | 8 months |
| Measure | Description | Time Frame |
|---|---|---|
| Estimation of body position | Validate the performance of the patch in estimating body position during sleep compared to an in-laboratory PSG. | 8 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Hisham Alshaer, MD, PhD | Contact | 416-597-3422 | 7959 | Hisham.Alshaer@uhn.ca |
| Name | Affiliation | Role |
|---|---|---|
| Clodagh Ryan, MD | Toronto General Hospital & Toronto Rehabilitation Institute | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Toronto Rehabilitation Institute | Recruiting | Toronto | Ontario | M5G 2A2 | Canada |
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| ID | Term |
|---|---|
| D012891 | Sleep Apnea Syndromes |
| ID | Term |
|---|---|
| D001049 | Apnea |
| D012120 | Respiration Disorders |
| D012140 | Respiratory Tract Diseases |
| D020919 | Sleep Disorders, Intrinsic |
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| ID | Term |
|---|---|
| D057968 | Transdermal Patch |
| ID | Term |
|---|---|
| D004864 | Equipment and Supplies |
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The outcome assessor performing the automatic analysis of the patch data will be blinded to the PSG scores performed by the Sleep Lab Technicians.
The principal investigator responsible for the completion and closing of the study according to the protocol will be blinded to the patch AHI automatic analysis.
Similarly, the Sleep Lab Technicians scoring the PSG will be blinded to the patch automatic analysis.
By the end of recruiting the target sample size, the data will be un-blinded and statistical analysis will be performed.
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|
| Toronto General Hospital | Not yet recruiting | Toronto | Ontario | M5G 2C4 | Canada |
|
| D020920 |
| Dyssomnias |
| D012893 | Sleep Wake Disorders |
| D009422 | Nervous System Diseases |