Trial Outcomes & Findings for The Evaluation of a Full Face Mask Seal for the Treatment of Obstructive Sleep Apnea (NCT NCT03230877)

NCT ID: NCT03230877

Last Updated: 2022-09-08

Results Overview

Overall seal comfort determined from questionnaires- Subjective

Recruitment status

COMPLETED

Target enrollment

38 participants

Primary outcome timeframe

7 ± 4 days in-home

Results posted on

2022-09-08

Participant Flow

Participant milestones

Participant milestones
Measure
Normal Seal Then Improved Seal
Participants will be randomized to the Normal Seal arm for a total of 7 ± 4 days from visit 1 and then will be crossed over to the Improved Seal arm for a total of 7 ± 4 days from visit 2.
Improved Seal Then Normal Seal
Participants will be randomized to the Improved Seal arm for a total of 7 ± 4 days from visit 1 and then will be crossed over to the Normal Seal arm for a total of 7 ± 4 days from visit 2.
Visit 1
STARTED
23
15
Visit 1
COMPLETED
23
15
Visit 1
NOT COMPLETED
0
0
Visit 2
STARTED
23
15
Visit 2
COMPLETED
23
15
Visit 2
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

The Evaluation of a Full Face Mask Seal for the Treatment of Obstructive Sleep Apnea

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Overall Population
n=38 Participants
Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1 and then crossed over to the other arm.
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
38 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
Sex: Female, Male
Female
9 Participants
n=5 Participants
Sex: Female, Male
Male
29 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
6 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
31 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
Region of Enrollment
United States
38 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 7 ± 4 days in-home

Overall seal comfort determined from questionnaires- Subjective

Outcome measures

Outcome measures
Measure
Toffee Full Face Mask With 'Improved Seal'
n=38 Participants
Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1 and then crossed over to the other arm. Participants will be using a full face mask with the 'Improved Seal' in this treatment arm. Toffee full face mask with 'Improved Seal': Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1. Participants will be using the Improved Seal in this treatment arm.
Toffee Full Face Mask With 'Normal Seal'
n=38 Participants
Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1 and then crossed over to the other arm. Participants will be using a full face mask with the 'Normal Seal' in this treatment arm. Toffee full face mask with 'Normal Seal': Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1. Participants will be using the Normal Seal in this treatment arm.
Trial Mask Seal Comfort
Very comfortable
16 Participants
13 Participants
Trial Mask Seal Comfort
Comfortable
16 Participants
19 Participants
Trial Mask Seal Comfort
Neither comfortable nor uncomfortable
2 Participants
1 Participants
Trial Mask Seal Comfort
Uncomfortable
3 Participants
3 Participants
Trial Mask Seal Comfort
Very uncomfortable
0 Participants
1 Participants
Trial Mask Seal Comfort
N/A
1 Participants
1 Participants

PRIMARY outcome

Timeframe: 14 ± 4 days in-home

Preference for trial mask determined from questionnaires at the end of the trial - Subjective

Outcome measures

Outcome measures
Measure
Toffee Full Face Mask With 'Improved Seal'
n=38 Participants
Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1 and then crossed over to the other arm. Participants will be using a full face mask with the 'Improved Seal' in this treatment arm. Toffee full face mask with 'Improved Seal': Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1. Participants will be using the Improved Seal in this treatment arm.
Toffee Full Face Mask With 'Normal Seal'
Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1 and then crossed over to the other arm. Participants will be using a full face mask with the 'Normal Seal' in this treatment arm. Toffee full face mask with 'Normal Seal': Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1. Participants will be using the Normal Seal in this treatment arm.
Trial Mask Seal Acceptability
N/A
1 Participants
Trial Mask Seal Acceptability
Preferred "Improved seal"
19 Participants
Trial Mask Seal Acceptability
Preferred "Normal seal"
15 Participants
Trial Mask Seal Acceptability
No preference
3 Participants

SECONDARY outcome

Timeframe: 7 ± 4 days in-home

Objective Apnea Hypopnea Index (AHI) data recorded from Positive airway pressure (PAP) device, compared to baseline AHI data

Outcome measures

Outcome measures
Measure
Toffee Full Face Mask With 'Improved Seal'
n=38 Participants
Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1 and then crossed over to the other arm. Participants will be using a full face mask with the 'Improved Seal' in this treatment arm. Toffee full face mask with 'Improved Seal': Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1. Participants will be using the Improved Seal in this treatment arm.
Toffee Full Face Mask With 'Normal Seal'
n=38 Participants
Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1 and then crossed over to the other arm. Participants will be using a full face mask with the 'Normal Seal' in this treatment arm. Toffee full face mask with 'Normal Seal': Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1. Participants will be using the Normal Seal in this treatment arm.
Trial Mask Seal Treatment Performance - Objective
Increased AHI
10 Participants
6 Participants
Trial Mask Seal Treatment Performance - Objective
No change in AHI
3 Participants
4 Participants
Trial Mask Seal Treatment Performance - Objective
Decreased AHI
7 Participants
11 Participants
Trial Mask Seal Treatment Performance - Objective
N/A
18 Participants
17 Participants

SECONDARY outcome

Timeframe: 1 hour day-time appointment

Usability interview during first visit- Subjective

Outcome measures

Outcome measures
Measure
Toffee Full Face Mask With 'Improved Seal'
n=38 Participants
Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1 and then crossed over to the other arm. Participants will be using a full face mask with the 'Improved Seal' in this treatment arm. Toffee full face mask with 'Improved Seal': Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1. Participants will be using the Improved Seal in this treatment arm.
Toffee Full Face Mask With 'Normal Seal'
n=38 Participants
Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1 and then crossed over to the other arm. Participants will be using a full face mask with the 'Normal Seal' in this treatment arm. Toffee full face mask with 'Normal Seal': Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1. Participants will be using the Normal Seal in this treatment arm.
Trial Mask Seal Usability
Very easy
28 Participants
26 Participants
Trial Mask Seal Usability
Easy
8 Participants
7 Participants
Trial Mask Seal Usability
Neither easy nor difficult
0 Participants
2 Participants
Trial Mask Seal Usability
Difficult
0 Participants
1 Participants
Trial Mask Seal Usability
Very difficult
0 Participants
0 Participants
Trial Mask Seal Usability
N/A
2 Participants
2 Participants

SECONDARY outcome

Timeframe: 7 ± 4 days in-home

Seal performance determined from questionnaires - Subjective

Outcome measures

Outcome measures
Measure
Toffee Full Face Mask With 'Improved Seal'
n=38 Participants
Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1 and then crossed over to the other arm. Participants will be using a full face mask with the 'Improved Seal' in this treatment arm. Toffee full face mask with 'Improved Seal': Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1. Participants will be using the Improved Seal in this treatment arm.
Toffee Full Face Mask With 'Normal Seal'
n=38 Participants
Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1 and then crossed over to the other arm. Participants will be using a full face mask with the 'Normal Seal' in this treatment arm. Toffee full face mask with 'Normal Seal': Participants will be randomized to this arm for a total of 7 ± 4 days from visit 1. Participants will be using the Normal Seal in this treatment arm.
Trial Mask Seal Treatment Performance- Subjective
Very poor
1 Participants
2 Participants
Trial Mask Seal Treatment Performance- Subjective
N/A
1 Participants
1 Participants
Trial Mask Seal Treatment Performance- Subjective
Very good
19 Participants
17 Participants
Trial Mask Seal Treatment Performance- Subjective
Good
11 Participants
12 Participants
Trial Mask Seal Treatment Performance- Subjective
Neither good nor poor
3 Participants
4 Participants
Trial Mask Seal Treatment Performance- Subjective
Poor
3 Participants
2 Participants

Adverse Events

Toffee Full Face Mask With 'Improved Seal'

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

Toffee Full Face Mask With 'Normal Seal'

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

Sarah Gunson

Fisher & Paykel Healthcare Ltd.

Phone: +64 9 574 0123

Results disclosure agreements

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