Trial Outcomes & Findings for Unilateral TAP Block for Laparoscopic Gastric Sleeve Surgery (NCT NCT03856788)

NCT ID: NCT03856788

Last Updated: 2022-10-17

Results Overview

Amount of intravenous (IV) opioid consumption within 24-hour period

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

43 participants

Primary outcome timeframe

24 Hours postoperative

Results posted on

2022-10-17

Participant Flow

Participant milestones

Participant milestones
Measure
Saline
Patients underwent general anesthesia with a post-induction, post-intubation, pre-procedural subcostal Transversus Abdominis Plane (TAP) block with normal saline on the ipsilateral side as the extraction site. Saline: 40 mL sterile normal saline
Bupivacaine
Patients underwent general anesthesia with a post-induction, post-intubation, pre-procedural subcostal TAP block with bupivacaine on the ipsilateral side as the extraction site. Bupivacaine: 40 mL 0.25% bupivacaine
Overall Study
STARTED
23
20
Overall Study
COMPLETED
21
19
Overall Study
NOT COMPLETED
2
1

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Saline
n=21 Participants
Patients underwent general anesthesia with a post-induction, post-intubation, pre-procedural subcostal TAP block with normal saline on the ipsilateral side as the extraction site. Saline: 40 mL sterile normal saline
Bupivacaine
n=19 Participants
Patients underwent general anesthesia with a post-induction, post-intubation, pre-procedural subcostal TAP block with bupivacaine on the ipsilateral side as the extraction site. Bupivacaine: 40 mL 0.25% bupivacaine
Total
n=40 Participants
Total of all reporting groups
Age, Continuous
40 years
n=21 Participants
36 years
n=19 Participants
36.5 years
n=40 Participants
Sex: Female, Male
Female
9 Participants
n=21 Participants
16 Participants
n=19 Participants
25 Participants
n=40 Participants
Sex: Female, Male
Male
12 Participants
n=21 Participants
3 Participants
n=19 Participants
15 Participants
n=40 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.

PRIMARY outcome

Timeframe: 24 Hours postoperative

Amount of intravenous (IV) opioid consumption within 24-hour period

Outcome measures

Outcome measures
Measure
Saline
n=21 Participants
Patients underwent general anesthesia with a post-induction, post-intubation, pre-procedural subcostal TAP block with normal saline on the ipsilateral side as the extraction site. Saline: 40 mL sterile normal saline
Bupivacaine
n=19 Participants
Patients underwent general anesthesia with a post-induction, post-intubation, pre-procedural subcostal TAP block with bupivacaine on the ipsilateral side as the extraction site. Bupivacaine: 40 mL 0.25% bupivacaine
Amount of 24 Hour Opioid Consumption
44.7 morphine milligram equivalents
Interval 33.4 to 59.8
38.7 morphine milligram equivalents
Interval 24.0 to 49.0

SECONDARY outcome

Timeframe: average 2-3 Hours

Amount of intravenous opioid consumption during the surgery

Outcome measures

Outcome measures
Measure
Saline
n=21 Participants
Patients underwent general anesthesia with a post-induction, post-intubation, pre-procedural subcostal TAP block with normal saline on the ipsilateral side as the extraction site. Saline: 40 mL sterile normal saline
Bupivacaine
n=19 Participants
Patients underwent general anesthesia with a post-induction, post-intubation, pre-procedural subcostal TAP block with bupivacaine on the ipsilateral side as the extraction site. Bupivacaine: 40 mL 0.25% bupivacaine
Amount of Intraoperative IV Opioid Consumption
35 morphine milligram equivalents
Interval 32.5 to 40.0
32.5 morphine milligram equivalents
Interval 25.0 to 447.5

SECONDARY outcome

Timeframe: 24 Hours postoperative

Patients asked for the areas of pain (right upper quadrant (RUQ), left upper quadrant, (LUQ) right lower quadrant (RLQ), or left lower quadrant (LLQ), diffuse and epigastric) after surgery.

Outcome measures

Outcome measures
Measure
Saline
n=21 Participants
Patients underwent general anesthesia with a post-induction, post-intubation, pre-procedural subcostal TAP block with normal saline on the ipsilateral side as the extraction site. Saline: 40 mL sterile normal saline
Bupivacaine
n=19 Participants
Patients underwent general anesthesia with a post-induction, post-intubation, pre-procedural subcostal TAP block with bupivacaine on the ipsilateral side as the extraction site. Bupivacaine: 40 mL 0.25% bupivacaine
Number of Participants Asked Area of Pain on the Body After Surgery
none
3 Participants
7 Participants
Number of Participants Asked Area of Pain on the Body After Surgery
diffuse
7 Participants
1 Participants
Number of Participants Asked Area of Pain on the Body After Surgery
RUQ
3 Participants
3 Participants
Number of Participants Asked Area of Pain on the Body After Surgery
LUQ
1 Participants
2 Participants
Number of Participants Asked Area of Pain on the Body After Surgery
RLQ
0 Participants
0 Participants
Number of Participants Asked Area of Pain on the Body After Surgery
LLQ
0 Participants
0 Participants
Number of Participants Asked Area of Pain on the Body After Surgery
epigastric
7 Participants
6 Participants

SECONDARY outcome

Timeframe: 24 Hours postoperative

Number of participants who answered yes to having presence of nausea after surgery

Outcome measures

Outcome measures
Measure
Saline
n=21 Participants
Patients underwent general anesthesia with a post-induction, post-intubation, pre-procedural subcostal TAP block with normal saline on the ipsilateral side as the extraction site. Saline: 40 mL sterile normal saline
Bupivacaine
n=19 Participants
Patients underwent general anesthesia with a post-induction, post-intubation, pre-procedural subcostal TAP block with bupivacaine on the ipsilateral side as the extraction site. Bupivacaine: 40 mL 0.25% bupivacaine
Number of Participants Who Answered Yes to Having Presence of Nausea After Surgery
16 Participants
14 Participants

Adverse Events

Saline

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

Bupivacaine

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

Christina Jeng, MD, FASA

Icahn School of Medicine at Mount Sinai

Phone: 212) 241-6426

Results disclosure agreements

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