Trial Outcomes & Findings for A Dual Channel Supraglottic Airway Device (LMA Gastro) for Oxygenation in Patients Undergoing ERCP (NCT NCT04740164)

NCT ID: NCT04740164

Last Updated: 2024-11-06

Results Overview

The desaturation (SpO2 \< 90%) between patients undergoing ERCP with LMA® Gastro™ vs standard nasal cannula

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

66 participants

Primary outcome timeframe

The time between Anesthesia Start time and Anesthesia End time, 1.5 hrs in average

Results posted on

2024-11-06

Participant Flow

This study enrolled 66 patients from 02/24/2021 to 06/24/2022. Patients ≥18 years old undergoing elective ERCP with TIVA were eligible for enrollment.

Participant milestones

Participant milestones
Measure
LMA Gastro
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
This group received TIVA during their procedure.
Overall Study
STARTED
33
33
Overall Study
COMPLETED
26
30
Overall Study
NOT COMPLETED
7
3

Reasons for withdrawal

Reasons for withdrawal
Measure
LMA Gastro
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
This group received TIVA during their procedure.
Overall Study
Lack of Efficacy
4
0
Overall Study
Physician Decision
3
3

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
LMA Gastro
n=26 Participants
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
n=30 Participants
This group received TIVA during their procedure.
Total
n=56 Participants
Total of all reporting groups
Age, Continuous
56.6154 years
n=26 Participants
62.8667 years
n=30 Participants
59.96 years
n=56 Participants
Sex: Female, Male
Female
15 Participants
n=26 Participants
8 Participants
n=30 Participants
23 Participants
n=56 Participants
Sex: Female, Male
Male
11 Participants
n=26 Participants
22 Participants
n=30 Participants
33 Participants
n=56 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Region of Enrollment
United States
26 participants
n=26 Participants
30 participants
n=30 Participants
56 participants
n=56 Participants
ASA Status (grade)
II (better)
0 Participants
n=26 Participants
1 Participants
n=30 Participants
1 Participants
n=56 Participants
ASA Status (grade)
III (worse)
26 Participants
n=26 Participants
29 Participants
n=30 Participants
55 Participants
n=56 Participants

PRIMARY outcome

Timeframe: The time between Anesthesia Start time and Anesthesia End time, 1.5 hrs in average

The desaturation (SpO2 \< 90%) between patients undergoing ERCP with LMA® Gastro™ vs standard nasal cannula

Outcome measures

Outcome measures
Measure
LMA Gastro
n=26 Participants
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
n=30 Participants
This group received TIVA during their procedure.
Number of Participants That Had Desaturation Episodes of SpO2 <90%
Desaturation <90% - Yes
0 Participants
3 Participants
Number of Participants That Had Desaturation Episodes of SpO2 <90%
Desaturation <90% - No
26 Participants
27 Participants

SECONDARY outcome

Timeframe: The time between Anesthesia Start time and Anesthesia End time, 1.5 hrs in average

Number of Participants that required additional manuevers to secure airway during their surgery

Outcome measures

Outcome measures
Measure
LMA Gastro
n=26 Participants
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
n=30 Participants
This group received TIVA during their procedure.
Incidence of Additional Airway Maneuvers
Yes
5 Participants
19 Participants
Incidence of Additional Airway Maneuvers
No
21 Participants
11 Participants

SECONDARY outcome

Timeframe: The time between Anesthesia Start time and Anesthesia End time

Patients in which Duodenoscope was withdrawn to facilitate airway support

Outcome measures

Outcome measures
Measure
LMA Gastro
n=26 Participants
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
n=30 Participants
This group received TIVA during their procedure.
Incidence of Withdrawal of Duodenoscope From Airway to Facilitate Airway Support
Yes
9 Participants
10 Participants
Incidence of Withdrawal of Duodenoscope From Airway to Facilitate Airway Support
No
17 Participants
20 Participants

SECONDARY outcome

Timeframe: From PACU arrival to PACU discharge, 3 hours in average

Number of adverse events reported by the participants and/or reported by care providers during Surgery and in PACU, 3 hrs in average

Outcome measures

Outcome measures
Measure
LMA Gastro
n=26 Participants
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
n=30 Participants
This group received TIVA during their procedure.
Incidence of Adverse Events
24 events
3 events

SECONDARY outcome

Timeframe: From anesthesia start to anesthesia end" and "procedure start to procedure end, up to 165 minutes

Defined as "anesthesia start to anesthesia end" and "procedure start to procedure end" respectively

Outcome measures

Outcome measures
Measure
LMA Gastro
n=26 Participants
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
n=30 Participants
This group received TIVA during their procedure.
To Evaluate Times Related to Anesthesia and Procedure
Total Anesthesia Time
75.0769 minutes
Interval 46.0 to 152.0
62.8667 minutes
Interval 35.0 to 165.0
To Evaluate Times Related to Anesthesia and Procedure
Total Procedure Time
32.6154 minutes
Interval 3.0 to 113.0
45.5333 minutes
Interval 13.0 to 143.0

SECONDARY outcome

Timeframe: From procedure end and anesthesia end, up to 60 minutes

The time elapsed between procedure end and anesthesia end

Outcome measures

Outcome measures
Measure
LMA Gastro
n=26 Participants
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
n=30 Participants
This group received TIVA during their procedure.
To Evaluate Time From Procedure End to Anesthesia End
18.5769 minutes
Interval 10.0 to 49.0
11.2 minutes
Interval 2.0 to 22.0

SECONDARY outcome

Timeframe: From "anesthesia start" to "anesthesia end", on average 5 hours

Heart rates were measured prior treatment administration and at the end of the procedure.

Outcome measures

Outcome measures
Measure
LMA Gastro
n=26 Participants
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
n=30 Participants
This group received TIVA during their procedure.
To Describe Heart Rates Within the Two Groups
Heart rate post intervention
77.1154 bpm
Standard Deviation 15.8501
66.9667 bpm
Standard Deviation 10.3607
To Describe Heart Rates Within the Two Groups
Heart rate prior to intervention
79.8846 bpm
Standard Deviation 16.7412
77.3667 bpm
Standard Deviation 13.7853

SECONDARY outcome

Timeframe: From "anesthesia start" to "anesthesia end", on average 5 hours

Blood pressure and end tidal carbon dioxide \[CO2\] were measured prior treatment administration and at the end of the procedure.

Outcome measures

Outcome measures
Measure
LMA Gastro
n=26 Participants
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
n=30 Participants
This group received TIVA during their procedure.
To Describe Blood Pressure and End Tidal Carbon Dioxide [CO2] Within the Two Groups
Systolic Blood pressure prior to intervention
127.2308 mmhg
Standard Deviation 19.4757
137.5714 mmhg
Standard Deviation 28.3097
To Describe Blood Pressure and End Tidal Carbon Dioxide [CO2] Within the Two Groups
Systolic Blood pressure post intervention
122.0769 mmhg
Standard Deviation 15.0676
128.2 mmhg
Standard Deviation 23.5231
To Describe Blood Pressure and End Tidal Carbon Dioxide [CO2] Within the Two Groups
Diastolic Blood pressure prior to intervention
78.3462 mmhg
Standard Deviation 10.7664
80.8571 mmhg
Standard Deviation 15.1846
To Describe Blood Pressure and End Tidal Carbon Dioxide [CO2] Within the Two Groups
Diastolic Blood pressure post intervention
76.9231 mmhg
Standard Deviation 10.0833
77.7 mmhg
Standard Deviation 15.0611
To Describe Blood Pressure and End Tidal Carbon Dioxide [CO2] Within the Two Groups
End tidal carbon dioxide [CO2] prior to intervention
18.6364 mmhg
Standard Deviation 11.4129
25.2 mmhg
Standard Deviation 11.7858
To Describe Blood Pressure and End Tidal Carbon Dioxide [CO2] Within the Two Groups
End tidal carbon dioxide [CO2] post intervention
22.0769 mmhg
Standard Deviation 9.1693
28.75 mmhg
Standard Deviation 10.707

SECONDARY outcome

Timeframe: From "anesthesia start" to "anesthesia end", on average 5 hours

Oxygen saturations were measured prior treatment administration and at the end of the procedure.

Outcome measures

Outcome measures
Measure
LMA Gastro
n=26 Participants
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
n=30 Participants
This group received TIVA during their procedure.
To Describe Oxygen Saturations Within the Two Groups
Oxygen saturation prior to intervention
98.5769 percentage of saturation
Standard Deviation 1.9426
99.033 percentage of saturation
Standard Deviation 1.1885
To Describe Oxygen Saturations Within the Two Groups
Oxygen saturation post intervention
93.7692 percentage of saturation
Standard Deviation 1.6796
98.5 percentage of saturation
Standard Deviation 1.9783

SECONDARY outcome

Timeframe: At the end of procedure, between 5 - 10 minutes

Population: This outcome is evaluating the providers not participants. This outcome is only applicable to the LMA Gastro arm since it is in this arm we are using the study device.

Number of attempts means how many times the anesthesiologist tried to secure airway.

Outcome measures

Outcome measures
Measure
LMA Gastro
n=5 Participants
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
This group received TIVA during their procedure.
To Evaluate Anesthesiologist Placing the Device
Successful on Attempt 1
77 percentage of successful attempts
To Evaluate Anesthesiologist Placing the Device
Successful on Attempt 2
19 percentage of successful attempts
To Evaluate Anesthesiologist Placing the Device
Successful on Attempt 3
4 percentage of successful attempts

Adverse Events

LMA Gastro

Serious events: 0 serious events
Other events: 24 other events
Deaths: 0 deaths

Standard of Care

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
LMA Gastro
n=26 participants at risk
This group of patients received GA during their procedure, using LMA Gastro for intubation.
Standard of Care
n=30 participants at risk
This group received TIVA during their procedure.
Respiratory, thoracic and mediastinal disorders
Horseness
15.4%
4/26 • Number of events 4 • Since anesthesia start to discharge ready in PACU, up to 5 hours
3.3%
1/30 • Number of events 1 • Since anesthesia start to discharge ready in PACU, up to 5 hours
Respiratory, thoracic and mediastinal disorders
Sore throat
50.0%
13/26 • Number of events 13 • Since anesthesia start to discharge ready in PACU, up to 5 hours
6.7%
2/30 • Number of events 2 • Since anesthesia start to discharge ready in PACU, up to 5 hours
General disorders
Sore mouth
7.7%
2/26 • Number of events 2 • Since anesthesia start to discharge ready in PACU, up to 5 hours
0.00%
0/30 • Since anesthesia start to discharge ready in PACU, up to 5 hours
Musculoskeletal and connective tissue disorders
Sore Jaw
7.7%
2/26 • Number of events 2 • Since anesthesia start to discharge ready in PACU, up to 5 hours
0.00%
0/30 • Since anesthesia start to discharge ready in PACU, up to 5 hours
General disorders
Dysphagia
15.4%
4/26 • Number of events 4 • Since anesthesia start to discharge ready in PACU, up to 5 hours
0.00%
0/30 • Since anesthesia start to discharge ready in PACU, up to 5 hours

Additional Information

Dr. Katherine Hagan

The University of Texas MD Anderson Cancer Center

Phone: (713) 794-5945

Results disclosure agreements

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