Trial Outcomes & Findings for Anti-Snoring Appliances and Airway Manipulation in Patients Undergoing Anesthetic Sedation (NCT NCT05748626)

NCT ID: NCT05748626

Last Updated: 2025-08-14

Results Overview

Combined total number of airway interventions during an anesthetic sedation case - including head tilt/rotation, mandible thrust, chin lift, shoulder lift, neck extension or flexion, tongue pull.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

25 participants

Primary outcome timeframe

Through study completion, an average of 1 day

Results posted on

2025-08-14

Participant Flow

Participant milestones

Participant milestones
Measure
Group #1: Anti-snoring Appliance
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Overall Study
STARTED
12
13
Overall Study
COMPLETED
12
13
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Anti-Snoring Appliances and Airway Manipulation in Patients Undergoing Anesthetic Sedation

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Total
n=25 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
5 Participants
n=5 Participants
9 Participants
n=7 Participants
14 Participants
n=5 Participants
Age, Categorical
>=65 years
7 Participants
n=5 Participants
4 Participants
n=7 Participants
11 Participants
n=5 Participants
Age, Continuous
66.5 Years
n=5 Participants
63.2 Years
n=7 Participants
64.8 Years
n=5 Participants
Sex: Female, Male
Female
6 Participants
n=5 Participants
10 Participants
n=7 Participants
16 Participants
n=5 Participants
Sex: Female, Male
Male
6 Participants
n=5 Participants
3 Participants
n=7 Participants
9 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=5 Participants
0 Participants
n=7 Participants
2 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
10 Participants
n=5 Participants
13 Participants
n=7 Participants
23 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
12 participants
n=5 Participants
13 participants
n=7 Participants
25 participants
n=5 Participants
Height (Inches)
66.0 Inches
STANDARD_DEVIATION 4.2 • n=5 Participants
68.1 Inches
STANDARD_DEVIATION 4.0 • n=7 Participants
67 Inches
STANDARD_DEVIATION 4.5 • n=5 Participants
Weight (Kilograms)
89.3 Kilograms
STANDARD_DEVIATION 19.6 • n=5 Participants
90 Kilograms
STANDARD_DEVIATION 18.3 • n=7 Participants
89.6 Kilograms
STANDARD_DEVIATION 19.1 • n=5 Participants
Body Mass Index
31.8 (kg) / height (m)^2
STANDARD_DEVIATION 6.9 • n=5 Participants
30.0 (kg) / height (m)^2
STANDARD_DEVIATION 5.2 • n=7 Participants
30.88 (kg) / height (m)^2
STANDARD_DEVIATION 5.88 • n=5 Participants
American Society of Anesthesiology Status
ASA 2 Status
9 Participants
n=5 Participants
5 Participants
n=7 Participants
14 Participants
n=5 Participants
American Society of Anesthesiology Status
ASA 3 Status
3 Participants
n=5 Participants
8 Participants
n=7 Participants
11 Participants
n=5 Participants
Documented Mallampati Score
Mallampati Score Class 1
2 Participants
n=5 Participants
5 Participants
n=7 Participants
7 Participants
n=5 Participants
Documented Mallampati Score
Mallampati Score Class 2
5 Participants
n=5 Participants
4 Participants
n=7 Participants
9 Participants
n=5 Participants
Documented Mallampati Score
Mallampati Score Class 3
4 Participants
n=5 Participants
3 Participants
n=7 Participants
7 Participants
n=5 Participants
Documented Mallampati Score
Mallampati Score Class 4
1 Participants
n=5 Participants
1 Participants
n=7 Participants
2 Participants
n=5 Participants
Documented Obstructive Sleep Apnea
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
STOP Bang Score
3.3 Score on Scale (0 low risk -8 high risk)
STANDARD_DEVIATION .8 • n=5 Participants
3.0 Score on Scale (0 low risk -8 high risk)
STANDARD_DEVIATION .8 • n=7 Participants
3.14 Score on Scale (0 low risk -8 high risk)
STANDARD_DEVIATION .8 • n=5 Participants

PRIMARY outcome

Timeframe: Through study completion, an average of 1 day

Combined total number of airway interventions during an anesthetic sedation case - including head tilt/rotation, mandible thrust, chin lift, shoulder lift, neck extension or flexion, tongue pull.

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Combined Total Number of Airway Interventions During an Anesthetic Sedation Case
7 Airway Interventions
5 Airway Interventions

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Maximum end-tidal CO2 using measures the partial pressure or maximal concentration of carbon dioxide (CO2) at the end of an exhaled breath, which is expressed as a percentage of CO2 or mmHg. The normal values are 5% to 6% CO2, which is equivalent to 35-45 mmHg.

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Maximum End-tidal CO2
41 mmHG
Standard Deviation 9.4
44.4 mmHG
Standard Deviation 5.5

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Number of instances the SpO2 drops below 92% during the procedure

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Number of Instances SpO2 Value < 92%
.6 Episodes
Standard Deviation .9
.1 Episodes
Standard Deviation .3

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Minimum end-tidal CO2 (capnography) using measures the partial pressure or maximal concentration of carbon dioxide (CO2) at the end of an exhaled breath, which is expressed as a percentage of CO2 or mmHg. The normal values are 5% to 6% CO2, which is equivalent to 35-45 mmHg.

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Minimum End-title CO2 in mmHg
7 mmHG
Standard Deviation 7.4
6.7 mmHG
Standard Deviation 5.0

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Percent time during the case the SpO2 is below 92% using pulse oximetry.

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Percent Time During the Case the SpO2 is Below 92%
.7 Percent of Time
Standard Deviation 1.2
.1 Percent of Time
Standard Deviation .3

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Maximum SpO2 value during the case using pulse oximetry (percent saturated)

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Maximum SpO2 Value During the Case
99.9 Percent
Standard Deviation .3
99.5 Percent
Standard Deviation 1.7

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Minimum SpO2 value during the case using pulse oximetry (percent saturation)

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Minimum SpO2 Value During the Case
91.3 Percent
Standard Deviation 5.9
94.8 Percent
Standard Deviation 3.0

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Maximum heart rate during case using standard operating room cardiac monitor

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Heart Rate Maximum
80.8 Heart Rate (Beats Per Minute)
Standard Deviation 14.3
82.5 Heart Rate (Beats Per Minute)
Standard Deviation 15

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Minimum heart rate during case using standard operating room cardiac monitor

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Heart Rate Minimum
53.4 Heart Rate (Beats Per Minute)
Standard Deviation 6.5
58.5 Heart Rate (Beats Per Minute)
Standard Deviation 11.1

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Maximum systolic blood pressure (mmHg) using standard operating room blood pressure cuff and monitor.

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Maximum Systolic Blood Pressure
140 mmHG
Standard Deviation 16.9
152.2 mmHG
Standard Deviation 21.7

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Minimum systolic blood pressure (mmHg) using standard operating room blood pressure cuff and monitor.

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Minimum Systolic Blood Pressure
88.9 mmHG
Standard Deviation 9.1
88.1 mmHG
Standard Deviation 13.7

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Maximum diastolic blood pressure (mmHG) using standard operating room blood pressure cuff and monitor.

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Maximum Diastolic Blood Pressure
75.3 mmHG
Standard Deviation 14.3
77.1 mmHG
Standard Deviation 8.7

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Minimum diastolic blood pressure (mmHG) using standard operating room blood pressure cuff and monitor.

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Minimum Diastolic Blood Pressure
51.2 mmHG
Standard Deviation 5.1
53.2 mmHG
Standard Deviation 14.7

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Mean minimum diastolic blood pressure (mmHG) using standard operating room blood pressure cuff and monitor.

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Minimum Mean Blood Pressure
65.1 mmHG
Standard Deviation 6.4
64.6 mmHG
Standard Deviation 9.2

SECONDARY outcome

Timeframe: Through study completion, an average of 1 day

Maximum mean blood pressure (mmHG) using standard operating room blood pressure cuff and monitor.

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Maximum Mean Blood Pressure
98.4 mmHG
Standard Deviation 12.5
104.5 mmHG
Standard Deviation 15.6

SECONDARY outcome

Timeframe: 1 Day

Number of participants requiring reintubation with an endotracheal tube post surgery in the Post Anesthesia Care Unit

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Reintubation in the Post Anesthesia Care Unit
0 Participants
0 Participants

SECONDARY outcome

Timeframe: 1 day

Surgical length of time in hours.

Outcome measures

Outcome measures
Measure
Group #1: Anti-snoring Appliance
n=12 Participants
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 Participants
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Surgical Length of Time
2.5 Hours
Standard Deviation .5
2.6 Hours
Standard Deviation .4

Adverse Events

Group #1: Anti-snoring Appliance

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Group #1: Anti-snoring Appliance
n=12 participants at risk
Group #1: Anti-snoring appliance (Zyppah) that will be utilized during their procedure. Anti-snoring device: For group 1, the study team will aid the subject in molding and preparing the device in the pre-operative area. They will wear the device throughout the entirety of the case.
Group #2: Control Group, That Will Not Utilize Anti-snoring Appliance
n=13 participants at risk
Group #2: Control group, that will not utilize (Zyppah) anti-snoring appliance during their procedure. No anti -snoring device during their procedure.: For group 2 there will be no anti snoring device used during the case.
Respiratory, thoracic and mediastinal disorders
Cough
8.3%
1/12 • Number of events 1 • 1 Day
0.00%
0/13 • 1 Day
Respiratory, thoracic and mediastinal disorders
Bronchospasm
0.00%
0/12 • 1 Day
0.00%
0/13 • 1 Day
Gastrointestinal disorders
Regurgitation
0.00%
0/12 • 1 Day
0.00%
0/13 • 1 Day
Respiratory, thoracic and mediastinal disorders
Aspiration
0.00%
0/12 • 1 Day
0.00%
0/13 • 1 Day
Respiratory, thoracic and mediastinal disorders
Case converted to general anesthesia
0.00%
0/12 • 1 Day
0.00%
0/13 • 1 Day
Cardiac disorders
Rapid Response Team Alerted
0.00%
0/12 • 1 Day
0.00%
0/13 • 1 Day

Additional Information

Paul C. Fitzgerald, RN, BSN,MS

Northwestern University

Phone: 312-695-1064

Results disclosure agreements

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