Trial Outcomes & Findings for The Effectiveness of SensAwake™ for Continue Positive Airway Pressure Treatment of Obstructive Sleep Apnea Patients (NCT NCT03294629)

NCT ID: NCT03294629

Last Updated: 2018-06-12

Results Overview

Objective data recorded in the auto-CPAP machine, Percentage of nights of using auto-CPAP for at least 4 hours during therapy.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

35 participants

Primary outcome timeframe

2 weeks

Results posted on

2018-06-12

Participant Flow

March 2015 to Mar 2016, at medical clinic.

Participant milestones

Participant milestones
Measure
CPAP w/SensAwake First, Then CPAP w/o SensAwake
Patients will receive CPAP treatment with SensAwake™ activation for two weeks, then crossed-over to CPAP treatment without SensAwake™ activation for additional two weeks. No washout period.
CPAP w/o SensAwake First, Then CPAP w/SensAwake
Patients will receive CPAP treatment without SensAwake™ activation for two weeks, then crossed-over to CPAP treatment with SensAwake™ activation for additional two weeks. No washout period.
First Intervention (2 Weeks)
STARTED
16
19
First Intervention (2 Weeks)
COMPLETED
14
15
First Intervention (2 Weeks)
NOT COMPLETED
2
4
Second Intervention (2 Weeks)
STARTED
14
15
Second Intervention (2 Weeks)
COMPLETED
12
13
Second Intervention (2 Weeks)
NOT COMPLETED
2
2

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

The Effectiveness of SensAwake™ for Continue Positive Airway Pressure Treatment of Obstructive Sleep Apnea Patients

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
CPAP w/SensAwake First, Then CPAP w/o SensAwake
n=12 Participants
Patients will receive CPAP treatment with SensAwake™ activation for two weeks, then crossed-over to CPAP treatment without SensAwake™ activation for additional two weeks. No washout period.
CPAP w/o SensAwake First, Then CPAP w/SensAwake
n=13 Participants
Patients will receive CPAP treatment without SensAwake™ activation for two weeks, then crossed-over to CPAP treatment with SensAwake™ activation for additional two weeks. No washout period.
Total
n=25 Participants
Total of all reporting groups
Age, Continuous
47.6 years
STANDARD_DEVIATION 10.9 • n=5 Participants
41.5 years
STANDARD_DEVIATION 12.0 • n=7 Participants
44.0 years
STANDARD_DEVIATION 11.7 • n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
Sex: Female, Male
Male
12 Participants
n=5 Participants
10 Participants
n=7 Participants
22 Participants
n=5 Participants
Body Mass Index (BMI)
31.8 kg/m2
STANDARD_DEVIATION 4.3 • n=5 Participants
32.9 kg/m2
STANDARD_DEVIATION 6.9 • n=7 Participants
32.4 kg/m2
STANDARD_DEVIATION 5.7 • n=5 Participants
Neck Circumference (NC)
42.3 cm
STANDARD_DEVIATION 2.1 • n=5 Participants
41.0 cm
STANDARD_DEVIATION 2.2 • n=7 Participants
41.6 cm
STANDARD_DEVIATION 2.2 • n=5 Participants
Apnea-hypopnea index (AHI)
55.3 events per hour
STANDARD_DEVIATION 30.8 • n=5 Participants
54.0 events per hour
STANDARD_DEVIATION 35.3 • n=7 Participants
54.6 events per hour
STANDARD_DEVIATION 32.5 • n=5 Participants
Sleep efficiency
82.0 % (percentage of minutes slept)
STANDARD_DEVIATION 8.9 • n=5 Participants
73.0 % (percentage of minutes slept)
STANDARD_DEVIATION 21.3 • n=7 Participants
77.1 % (percentage of minutes slept)
STANDARD_DEVIATION 17.1 • n=5 Participants
Total sleep time
301.0 minutes
STANDARD_DEVIATION 34.2 • n=5 Participants
276.2 minutes
STANDARD_DEVIATION 79.2 • n=7 Participants
287.6 minutes
STANDARD_DEVIATION 62.8 • n=5 Participants
Deep sleep - Stage 3
6.1 % (percentage of minutes of stage 3)
STANDARD_DEVIATION 10.4 • n=5 Participants
4.4 % (percentage of minutes of stage 3)
STANDARD_DEVIATION 5.6 • n=7 Participants
5.2 % (percentage of minutes of stage 3)
STANDARD_DEVIATION 8.0 • n=5 Participants
Average used time of CPAP
187.4 minutes
STANDARD_DEVIATION 104.6 • n=5 Participants
227.9 minutes
STANDARD_DEVIATION 104.1 • n=7 Participants
208.5 minutes
STANDARD_DEVIATION 104.2 • n=5 Participants
Compliance of CPAP
31.9 %
STANDARD_DEVIATION 31.9 • n=5 Participants
46.2 %
STANDARD_DEVIATION 30.6 • n=7 Participants
39.3 %
STANDARD_DEVIATION 31.4 • n=5 Participants
Residual AHI under CPAP Tx
2.9 events per hour
STANDARD_DEVIATION 1.3 • n=5 Participants
4.4 events per hour
STANDARD_DEVIATION 2.8 • n=7 Participants
3.7 events per hour
STANDARD_DEVIATION 2.3 • n=5 Participants
Pittsburgh Sleep Quality Index (PSQI)
7.4 units on a scale
STANDARD_DEVIATION 2.3 • n=5 Participants
10.1 units on a scale
STANDARD_DEVIATION 3.8 • n=7 Participants
8.8 units on a scale
STANDARD_DEVIATION 3.4 • n=5 Participants
Epworth Sleepiness Scale (ESS)
13.3 units on a scale
STANDARD_DEVIATION 5.5 • n=5 Participants
13.1 units on a scale
STANDARD_DEVIATION 6.7 • n=7 Participants
13.2 units on a scale
STANDARD_DEVIATION 6.0 • n=5 Participants
Nasal Obstruction Symptom Evaluation (NOSE)
13.5 units on a scale
STANDARD_DEVIATION 6.8 • n=5 Participants
15.6 units on a scale
STANDARD_DEVIATION 8.4 • n=7 Participants
14.6 units on a scale
STANDARD_DEVIATION 7.6 • n=5 Participants

PRIMARY outcome

Timeframe: 2 weeks

Objective data recorded in the auto-CPAP machine, Percentage of nights of using auto-CPAP for at least 4 hours during therapy.

Outcome measures

Outcome measures
Measure
SA ON
n=25 Participants
CPAP with SensAwake activation
SA OFF
n=25 Participants
CPAP without SensAwake activation
Compliance of Auto-CPAP Therapy
41.8 percentage of nights
Standard Deviation 35.0
39.7 percentage of nights
Standard Deviation 32.6

SECONDARY outcome

Timeframe: 2 weeks

Average detects of arousal per hours. (Objective data recorded in the auto-CPAP machine)

Outcome measures

Outcome measures
Measure
SA ON
n=25 Participants
CPAP with SensAwake activation
SA OFF
n=25 Participants
CPAP without SensAwake activation
Average SA Detections
2.1 times/hour
Standard Deviation 0.9
0 times/hour
Standard Deviation 0

SECONDARY outcome

Timeframe: 2 weeks

Average Pressures of Auto-CPAP Machine (Objective data recorded in the auto-CPAP machine)

Outcome measures

Outcome measures
Measure
SA ON
n=25 Participants
CPAP with SensAwake activation
SA OFF
n=25 Participants
CPAP without SensAwake activation
Average Pressures of Auto-CPAP Machine
6.9 cmH2O
Standard Deviation 2.7
7.3 cmH2O
Standard Deviation 2.6

SECONDARY outcome

Timeframe: 2 weeks

90th percentile pressures of auto-CPAP machine (Objective data recorded in the auto-CPAP machine)

Outcome measures

Outcome measures
Measure
SA ON
n=25 Participants
CPAP with SensAwake activation
SA OFF
n=25 Participants
CPAP without SensAwake activation
90th Percentile Pressures of Auto-CPAP Machine
8.6 cmH2O
Standard Deviation 3.0
9.2 cmH2O
Standard Deviation 2.9

SECONDARY outcome

Timeframe: 2 weeks

Average leaks of auto-CPAP machine (Objective data recorded in the auto-CPAP machine)

Outcome measures

Outcome measures
Measure
SA ON
n=25 Participants
CPAP with SensAwake activation
SA OFF
n=25 Participants
CPAP without SensAwake activation
Average Leaks of Auto-CPAP Machine
41.3 liters per minute
Standard Deviation 20.1
44.6 liters per minute
Standard Deviation 22.5

SECONDARY outcome

Timeframe: 2 weeks

Average leaks of auto-CPAP machine (Objective data recorded in the auto-CPAP machine)

Outcome measures

Outcome measures
Measure
SA ON
n=25 Participants
CPAP with SensAwake activation
SA OFF
n=25 Participants
CPAP without SensAwake activation
90th Percentile Leaks of Auto-CPAP Machine
57.6 liters per minute
Standard Deviation 24.7
58.9 liters per minute
Standard Deviation 26.0

SECONDARY outcome

Timeframe: 2 weeks

Residual Apnea-Hypopnea index (Objective data recorded in the auto-CPAP machine) means events of apnea and hypopnea per hour during CPAP therapy.

Outcome measures

Outcome measures
Measure
SA ON
n=25 Participants
CPAP with SensAwake activation
SA OFF
n=25 Participants
CPAP without SensAwake activation
Residual Apnea-Hypopnea Index (AHI)
6.3 events per hour
Standard Deviation 6.7
5.0 events per hour
Standard Deviation 4.6

SECONDARY outcome

Timeframe: 2 weeks

Average Time used of auto-CPAP machine (Objective data recorded in the auto-CPAP machine)

Outcome measures

Outcome measures
Measure
SA ON
n=25 Participants
CPAP with SensAwake activation
SA OFF
n=25 Participants
CPAP without SensAwake activation
Time Used of Auto-CPAP Machine
213.1 minutes
Standard Deviation 99.4
206.8 minutes
Standard Deviation 87.6

SECONDARY outcome

Timeframe: 2 weeks

Percentage of day used of auto-CPAP machine (Objective data recorded in the auto-CPAP machine)

Outcome measures

Outcome measures
Measure
SA ON
n=25 Participants
CPAP with SensAwake activation
SA OFF
n=25 Participants
CPAP without SensAwake activation
Percentage of Day Used of Auto-CPAP Machine
87.1 Percentage of days
Standard Deviation 13.8
88.1 Percentage of days
Standard Deviation 11.2

SECONDARY outcome

Timeframe: 2 weeks

The Pittsburgh Sleep Quality Index (PSQI) is a self-report questionnaire that assesses sleep quality over a 1-month time interval. Overall score is ranging from 0 to 21, where lower scores denote a healthier sleep quality.

Outcome measures

Outcome measures
Measure
SA ON
n=25 Participants
CPAP with SensAwake activation
SA OFF
n=25 Participants
CPAP without SensAwake activation
Pittsburgh Sleep Quality Index (PSQI)
8.0 units on a scale
Standard Deviation 2.6
8.0 units on a scale
Standard Deviation 2.8

SECONDARY outcome

Timeframe: 2 weeks

The ESS is a self-administered questionnaire with 8 questions. The ESS score can range from 0 to 24, where higher scores denote a worse daytime sleepiness.

Outcome measures

Outcome measures
Measure
SA ON
n=25 Participants
CPAP with SensAwake activation
SA OFF
n=25 Participants
CPAP without SensAwake activation
Epworth Sleepiness Score (ESS)
11.1 units on a scale
Standard Deviation 6.1
12.1 units on a scale
Standard Deviation 7.2

SECONDARY outcome

Timeframe: 2 weeks

The Nasal Obstruction Symptom Evaluation (NOSE) is a self-administered questionnaire with 11 questions. The NOSE score can range from 0 to 44, where higher scores denote a worse nasal obstruction.

Outcome measures

Outcome measures
Measure
SA ON
n=25 Participants
CPAP with SensAwake activation
SA OFF
n=25 Participants
CPAP without SensAwake activation
Nasal Obstruction Symptom Evaluation (NOSE)
14.6 units on a scale
Standard Deviation 8.1
13.3 units on a scale
Standard Deviation 6.7

Adverse Events

SA ON

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

SA OFF

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Ning-Hung, Chen

Sleep Center, Taoyuan Chang Gung Memorial Hospital

Phone: +886-3-3281200

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place