Trial Outcomes & Findings for TAP Block for Postoperative Pain Control (NCT NCT02652156)

NCT ID: NCT02652156

Last Updated: 2018-11-02

Results Overview

The total use of analgesic medications will be recorded during the 3 days immediately following surgery.

Recruitment status

TERMINATED

Study phase

PHASE3

Target enrollment

14 participants

Primary outcome timeframe

3 postoperative days

Results posted on

2018-11-02

Participant Flow

Participant milestones

Participant milestones
Measure
Single Injection of Bupivacaine
Subjects will undergo post-operative pain relief treatment with a single injection of Bupivacaine, a local anesthetic injected into the transversus abdominis plane. Bupivacaine: 60 ml Bupivacaine 0.25% will be drawn via 60 ml Syringe. The syringe will be connected and a 10ml flush syringe containing 10ml 0.9% Normal Saline (NS) will be connected to the end of an IV extension set via a 3-way stopcock and Luer lock connections. The Bupivacaine 0.25% syringe will be connected to the stopcock. The distal end of the IV connection will be connected to the injection needle. The entire setup will be flushed with 0.9% NS via flush syringe. The TAP space will also be located under ultrasound guidance and verified by using the 0.9% NS flush syringe. Once in the TAP space, 30 ml Bupivacaine 0.25% will be injected into the TAP space. This dose will be decreased to 25 ml for patients under 70 kg. The process will be repeated on the opposite side TAP block.
Single Injection of Exparel®
Subjects will undergo post-operative pain relief treatment with a single injection of Exparel®, a liposomal form of bupivacaine, into the transversus abdominis plane Exparel®: 20 ml Exparel (266 mg) will be drawn into a 20 ml syringe. A 20 ml Bupivacaine 0.25% syringe and the syringe containing the Exparel solution will be connected to the end of an IV extension set via a 3-way stopcock. The IV connection will be connected to the injection needle. The setup will be flushed with the Bupivacaine syringe. The TAP space will be located under ultrasound guidance. 133mg of Exparel will be injected into the TAP space. After injection, the syringe will be exchanged for the Bupivacaine syringe and 20ml Bupivacaine injected into the space. The process will be repeated on the opposite side TAP block.
Continuous Infusion of Ropivacaine
Subjects will be treated with a continuous infusion of the local anesthetic Ropivacaine with the ON-Q® pump Ropivacaine: 40 ml Bupivacaine 0.25% will be drawn via two 20ml Syringes. A Bupivacaine 20ml syringe will be connected to an IV extension via a 3-way stopcock and Luer lock. The IV will be connected to an injection tuohy needle and flushed with NS. The TAP space will be located using ultrasound guidance. 15 ml Bupivacaine 0.25% will be injected. A catheter will be threaded through the tuohy needle into the TAP space. 5ml Bupivacaine 0.25% will then be injected. The catheter will be secured via standard technique. The process will be repeated for the opposite side. Patients will receive a filled ON-Q system. The ON-Q system contains Ropivacaine 0.2%. The pump will run at 7 ml/hr. per side.
Overall Study
STARTED
4
6
4
Overall Study
COMPLETED
3
6
4
Overall Study
NOT COMPLETED
1
0
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Single Injection of Bupivacaine
Subjects will undergo post-operative pain relief treatment with a single injection of Bupivacaine, a local anesthetic injected into the transversus abdominis plane. Bupivacaine: 60 ml Bupivacaine 0.25% will be drawn via 60 ml Syringe. The syringe will be connected and a 10ml flush syringe containing 10ml 0.9% Normal Saline (NS) will be connected to the end of an IV extension set via a 3-way stopcock and Luer lock connections. The Bupivacaine 0.25% syringe will be connected to the stopcock. The distal end of the IV connection will be connected to the injection needle. The entire setup will be flushed with 0.9% NS via flush syringe. The TAP space will also be located under ultrasound guidance and verified by using the 0.9% NS flush syringe. Once in the TAP space, 30 ml Bupivacaine 0.25% will be injected into the TAP space. This dose will be decreased to 25 ml for patients under 70 kg. The process will be repeated on the opposite side TAP block.
Single Injection of Exparel®
Subjects will undergo post-operative pain relief treatment with a single injection of Exparel®, a liposomal form of bupivacaine, into the transversus abdominis plane Exparel®: 20 ml Exparel (266 mg) will be drawn into a 20 ml syringe. A 20 ml Bupivacaine 0.25% syringe and the syringe containing the Exparel solution will be connected to the end of an IV extension set via a 3-way stopcock. The IV connection will be connected to the injection needle. The setup will be flushed with the Bupivacaine syringe. The TAP space will be located under ultrasound guidance. 133mg of Exparel will be injected into the TAP space. After injection, the syringe will be exchanged for the Bupivacaine syringe and 20ml Bupivacaine injected into the space. The process will be repeated on the opposite side TAP block.
Continuous Infusion of Ropivacaine
Subjects will be treated with a continuous infusion of the local anesthetic Ropivacaine with the ON-Q® pump Ropivacaine: 40 ml Bupivacaine 0.25% will be drawn via two 20ml Syringes. A Bupivacaine 20ml syringe will be connected to an IV extension via a 3-way stopcock and Luer lock. The IV will be connected to an injection tuohy needle and flushed with NS. The TAP space will be located using ultrasound guidance. 15 ml Bupivacaine 0.25% will be injected. A catheter will be threaded through the tuohy needle into the TAP space. 5ml Bupivacaine 0.25% will then be injected. The catheter will be secured via standard technique. The process will be repeated for the opposite side. Patients will receive a filled ON-Q system. The ON-Q system contains Ropivacaine 0.2%. The pump will run at 7 ml/hr. per side.
Overall Study
Physician Decision
1
0
0

Baseline Characteristics

TAP Block for Postoperative Pain Control

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Single Injection of Bupivacaine
n=4 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Bupivacaine, a local anesthetic injected into the transversus abdominis plane. Bupivacaine: 60 ml Bupivacaine 0.25% will be drawn via 60 ml Syringe. The syringe will be connected and a 10ml flush syringe containing 10ml 0.9% Normal Saline (NS) will be connected to the end of an IV extension set via a 3-way stopcock and Luer lock connections. The Bupivacaine 0.25% syringe will be connected to the stopcock. The distal end of the IV connection will be connected to the injection needle. The entire setup will be flushed with 0.9% NS via flush syringe. The TAP space will also be located under ultrasound guidance and verified by using the 0.9% NS flush syringe. Once in the TAP space, 30 ml Bupivacaine 0.25% will be injected into the TAP space. This dose will be decreased to 25 ml for patients under 70 kg. The process will be repeated on the opposite side TAP block.
Single Injection of Exparel®
n=6 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Exparel®, a liposomal form of bupivacaine, into the transversus abdominis plane Exparel®: 20 ml Exparel (266 mg) will be drawn into a 20 ml syringe. A 20 ml Bupivacaine 0.25% syringe and the syringe containing the Exparel solution will be connected to the end of an IV extension set via a 3-way stopcock. The IV connection will be connected to the injection needle. The setup will be flushed with the Bupivacaine syringe. The TAP space will be located under ultrasound guidance. 133mg of Exparel will be injected into the TAP space. After injection, the syringe will be exchanged for the Bupivacaine syringe and 20ml Bupivacaine injected into the space. The process will be repeated on the opposite side TAP block.
Continuous Infusion of Ropivacaine
n=4 Participants
Subjects will be treated with a continuous infusion of the local anesthetic Ropivacaine with the ON-Q® pump Ropivacaine: 40 ml Bupivacaine 0.25% will be drawn via two 20ml Syringes. A Bupivacaine 20ml syringe will be connected to an IV extension via a 3-way stopcock and Luer lock. The IV will be connected to an injection tuohy needle and flushed with NS. The TAP space will be located using ultrasound guidance. 15 ml Bupivacaine 0.25% will be injected. A catheter will be threaded through the tuohy needle into the TAP space. 5ml Bupivacaine 0.25% will then be injected. The catheter will be secured via standard technique. The process will be repeated for the opposite side. Patients will receive a filled ON-Q system. The ON-Q system contains Ropivacaine 0.2%. The pump will run at 7 ml/hr. per side.
Total
n=14 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
Age, Categorical
Between 18 and 65 years
4 Participants
n=99 Participants
4 Participants
n=107 Participants
4 Participants
n=206 Participants
12 Participants
n=7 Participants
Age, Categorical
>=65 years
0 Participants
n=99 Participants
2 Participants
n=107 Participants
0 Participants
n=206 Participants
2 Participants
n=7 Participants
Sex: Female, Male
Female
2 Participants
n=99 Participants
4 Participants
n=107 Participants
3 Participants
n=206 Participants
9 Participants
n=7 Participants
Sex: Female, Male
Male
2 Participants
n=99 Participants
2 Participants
n=107 Participants
1 Participants
n=206 Participants
5 Participants
n=7 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
4 Participants
n=99 Participants
5 Participants
n=107 Participants
4 Participants
n=206 Participants
13 Participants
n=7 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
1 Participants
n=107 Participants
0 Participants
n=206 Participants
1 Participants
n=7 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
Race (NIH/OMB)
Asian
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
Race (NIH/OMB)
Black or African American
3 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
6 Participants
n=7 Participants
Race (NIH/OMB)
White
1 Participants
n=99 Participants
4 Participants
n=107 Participants
2 Participants
n=206 Participants
7 Participants
n=7 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=99 Participants
1 Participants
n=107 Participants
0 Participants
n=206 Participants
1 Participants
n=7 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
Region of Enrollment
United States
4 participants
n=99 Participants
6 participants
n=107 Participants
4 participants
n=206 Participants
14 participants
n=7 Participants

PRIMARY outcome

Timeframe: 3 postoperative days

Population: 1 patient in the Continuous Infusion of Ropivacaine group required no narcotics immediately following surgery (recovery room) due to continuing effect of the blockade. Patients are removed from study upon discharge in later postoperative days.

The total use of analgesic medications will be recorded during the 3 days immediately following surgery.

Outcome measures

Outcome measures
Measure
Single Injection of Bupivacaine
n=3 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Bupivacaine, a local anesthetic injected into the transversus abdominis plane. Bupivacaine: 60 ml Bupivacaine 0.25% will be drawn via 60 ml Syringe. The syringe will be connected and a 10ml flush syringe containing 10ml 0.9% Normal Saline (NS) will be connected to the end of an IV extension set via a 3-way stopcock and Luer lock connections. The Bupivacaine 0.25% syringe will be connected to the stopcock. The distal end of the IV connection will be connected to the injection needle. The entire setup will be flushed with 0.9% NS via flush syringe. The TAP space will also be located under ultrasound guidance and verified by using the 0.9% NS flush syringe. Once in the TAP space, 30 ml Bupivacaine 0.25% will be injected into the TAP space. This dose will be decreased to 25 ml for patients under 70 kg. The process will be repeated on the opposite side TAP block.
Single Injection of Exparel®
n=6 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Exparel®, a liposomal form of bupivacaine, into the transversus abdominis plane Exparel®: 20 ml Exparel (266 mg) will be drawn into a 20 ml syringe. A 20 ml Bupivacaine 0.25% syringe and the syringe containing the Exparel solution will be connected to the end of an IV extension set via a 3-way stopcock. The IV connection will be connected to the injection needle. The setup will be flushed with the Bupivacaine syringe. The TAP space will be located under ultrasound guidance. 133mg of Exparel will be injected into the TAP space. After injection, the syringe will be exchanged for the Bupivacaine syringe and 20ml Bupivacaine injected into the space. The process will be repeated on the opposite side TAP block.
Continuous Infusion of Ropivacaine
n=4 Participants
Subjects will be treated with a continuous infusion of the local anesthetic Ropivacaine with the ON-Q® pump Ropivacaine: 40 ml Bupivacaine 0.25% will be drawn via two 20ml Syringes. A Bupivacaine 20ml syringe will be connected to an IV extension via a 3-way stopcock and Luer lock. The IV will be connected to an injection tuohy needle and flushed with NS. The TAP space will be located using ultrasound guidance. 15 ml Bupivacaine 0.25% will be injected. A catheter will be threaded through the tuohy needle into the TAP space. 5ml Bupivacaine 0.25% will then be injected. The catheter will be secured via standard technique. The process will be repeated for the opposite side. Patients will receive a filled ON-Q system. The ON-Q system contains Ropivacaine 0.2%. The pump will run at 7 ml/hr. per side.
Total Dosage of Narcotic
Narcotic Use - Day of Surgery - Recovery room
23.2 Mophine Equivalent Units
Standard Deviation 19.1
14.4 Mophine Equivalent Units
Standard Deviation 11.8
35.7 Mophine Equivalent Units
Standard Deviation 22.6
Total Dosage of Narcotic
Narcotic Use - Postoperative Day 0
33.0 Mophine Equivalent Units
Standard Deviation 34.0
42.2 Mophine Equivalent Units
Standard Deviation 39.9
45.0 Mophine Equivalent Units
Standard Deviation 23.9
Total Dosage of Narcotic
Narcotic Use - Postoperative Day 1
87.7 Mophine Equivalent Units
Standard Deviation 106.5
139.0 Mophine Equivalent Units
Standard Deviation 194.6
47.9 Mophine Equivalent Units
Standard Deviation 36.4
Total Dosage of Narcotic
Narcotic Use - Postoperative Day 2
127.0 Mophine Equivalent Units
Standard Deviation 61.0
103.3 Mophine Equivalent Units
Standard Deviation 112.7
44.7 Mophine Equivalent Units
Standard Deviation 36.4
Total Dosage of Narcotic
Narcotic Use - Postoperative Day 3
318.0 Mophine Equivalent Units
Standard Deviation 0
41.6 Mophine Equivalent Units
Standard Deviation 40.6
68.0 Mophine Equivalent Units
Standard Deviation 0

SECONDARY outcome

Timeframe: 3 postoperative days

Population: No vomiting events were reported by any study subjects.

Total number of vomiting episodes over the three postoperative days.

Outcome measures

Outcome measures
Measure
Single Injection of Bupivacaine
n=3 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Bupivacaine, a local anesthetic injected into the transversus abdominis plane. Bupivacaine: 60 ml Bupivacaine 0.25% will be drawn via 60 ml Syringe. The syringe will be connected and a 10ml flush syringe containing 10ml 0.9% Normal Saline (NS) will be connected to the end of an IV extension set via a 3-way stopcock and Luer lock connections. The Bupivacaine 0.25% syringe will be connected to the stopcock. The distal end of the IV connection will be connected to the injection needle. The entire setup will be flushed with 0.9% NS via flush syringe. The TAP space will also be located under ultrasound guidance and verified by using the 0.9% NS flush syringe. Once in the TAP space, 30 ml Bupivacaine 0.25% will be injected into the TAP space. This dose will be decreased to 25 ml for patients under 70 kg. The process will be repeated on the opposite side TAP block.
Single Injection of Exparel®
n=6 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Exparel®, a liposomal form of bupivacaine, into the transversus abdominis plane Exparel®: 20 ml Exparel (266 mg) will be drawn into a 20 ml syringe. A 20 ml Bupivacaine 0.25% syringe and the syringe containing the Exparel solution will be connected to the end of an IV extension set via a 3-way stopcock. The IV connection will be connected to the injection needle. The setup will be flushed with the Bupivacaine syringe. The TAP space will be located under ultrasound guidance. 133mg of Exparel will be injected into the TAP space. After injection, the syringe will be exchanged for the Bupivacaine syringe and 20ml Bupivacaine injected into the space. The process will be repeated on the opposite side TAP block.
Continuous Infusion of Ropivacaine
n=4 Participants
Subjects will be treated with a continuous infusion of the local anesthetic Ropivacaine with the ON-Q® pump Ropivacaine: 40 ml Bupivacaine 0.25% will be drawn via two 20ml Syringes. A Bupivacaine 20ml syringe will be connected to an IV extension via a 3-way stopcock and Luer lock. The IV will be connected to an injection tuohy needle and flushed with NS. The TAP space will be located using ultrasound guidance. 15 ml Bupivacaine 0.25% will be injected. A catheter will be threaded through the tuohy needle into the TAP space. 5ml Bupivacaine 0.25% will then be injected. The catheter will be secured via standard technique. The process will be repeated for the opposite side. Patients will receive a filled ON-Q system. The ON-Q system contains Ropivacaine 0.2%. The pump will run at 7 ml/hr. per side.
Postoperative Vomiting (Events)
0 Vomiting Events
0 Vomiting Events
0 Vomiting Events

SECONDARY outcome

Timeframe: Postoperative Day 1

Patients will rate their pain by VAS scale 1 day post surgery. Scale is a 0 to 10 visual analog scale with 0 representing no pain and 10 representing severe pain.

Outcome measures

Outcome measures
Measure
Single Injection of Bupivacaine
n=3 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Bupivacaine, a local anesthetic injected into the transversus abdominis plane. Bupivacaine: 60 ml Bupivacaine 0.25% will be drawn via 60 ml Syringe. The syringe will be connected and a 10ml flush syringe containing 10ml 0.9% Normal Saline (NS) will be connected to the end of an IV extension set via a 3-way stopcock and Luer lock connections. The Bupivacaine 0.25% syringe will be connected to the stopcock. The distal end of the IV connection will be connected to the injection needle. The entire setup will be flushed with 0.9% NS via flush syringe. The TAP space will also be located under ultrasound guidance and verified by using the 0.9% NS flush syringe. Once in the TAP space, 30 ml Bupivacaine 0.25% will be injected into the TAP space. This dose will be decreased to 25 ml for patients under 70 kg. The process will be repeated on the opposite side TAP block.
Single Injection of Exparel®
n=6 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Exparel®, a liposomal form of bupivacaine, into the transversus abdominis plane Exparel®: 20 ml Exparel (266 mg) will be drawn into a 20 ml syringe. A 20 ml Bupivacaine 0.25% syringe and the syringe containing the Exparel solution will be connected to the end of an IV extension set via a 3-way stopcock. The IV connection will be connected to the injection needle. The setup will be flushed with the Bupivacaine syringe. The TAP space will be located under ultrasound guidance. 133mg of Exparel will be injected into the TAP space. After injection, the syringe will be exchanged for the Bupivacaine syringe and 20ml Bupivacaine injected into the space. The process will be repeated on the opposite side TAP block.
Continuous Infusion of Ropivacaine
n=4 Participants
Subjects will be treated with a continuous infusion of the local anesthetic Ropivacaine with the ON-Q® pump Ropivacaine: 40 ml Bupivacaine 0.25% will be drawn via two 20ml Syringes. A Bupivacaine 20ml syringe will be connected to an IV extension via a 3-way stopcock and Luer lock. The IV will be connected to an injection tuohy needle and flushed with NS. The TAP space will be located using ultrasound guidance. 15 ml Bupivacaine 0.25% will be injected. A catheter will be threaded through the tuohy needle into the TAP space. 5ml Bupivacaine 0.25% will then be injected. The catheter will be secured via standard technique. The process will be repeated for the opposite side. Patients will receive a filled ON-Q system. The ON-Q system contains Ropivacaine 0.2%. The pump will run at 7 ml/hr. per side.
Patient Reported Pain by VAS Scale
4.4 score on a scale
Standard Deviation 0.4
3.8 score on a scale
Standard Deviation 0.9
4.5 score on a scale
Standard Deviation 0.4

SECONDARY outcome

Timeframe: Postoperative Day 2

Patients will rate their pain by VAS scale 2 days post surgery. Scale is a 0 to 10 visual analog scale with 0 representing no pain and 10 representing severe pain.

Outcome measures

Outcome measures
Measure
Single Injection of Bupivacaine
n=3 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Bupivacaine, a local anesthetic injected into the transversus abdominis plane. Bupivacaine: 60 ml Bupivacaine 0.25% will be drawn via 60 ml Syringe. The syringe will be connected and a 10ml flush syringe containing 10ml 0.9% Normal Saline (NS) will be connected to the end of an IV extension set via a 3-way stopcock and Luer lock connections. The Bupivacaine 0.25% syringe will be connected to the stopcock. The distal end of the IV connection will be connected to the injection needle. The entire setup will be flushed with 0.9% NS via flush syringe. The TAP space will also be located under ultrasound guidance and verified by using the 0.9% NS flush syringe. Once in the TAP space, 30 ml Bupivacaine 0.25% will be injected into the TAP space. This dose will be decreased to 25 ml for patients under 70 kg. The process will be repeated on the opposite side TAP block.
Single Injection of Exparel®
n=6 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Exparel®, a liposomal form of bupivacaine, into the transversus abdominis plane Exparel®: 20 ml Exparel (266 mg) will be drawn into a 20 ml syringe. A 20 ml Bupivacaine 0.25% syringe and the syringe containing the Exparel solution will be connected to the end of an IV extension set via a 3-way stopcock. The IV connection will be connected to the injection needle. The setup will be flushed with the Bupivacaine syringe. The TAP space will be located under ultrasound guidance. 133mg of Exparel will be injected into the TAP space. After injection, the syringe will be exchanged for the Bupivacaine syringe and 20ml Bupivacaine injected into the space. The process will be repeated on the opposite side TAP block.
Continuous Infusion of Ropivacaine
n=4 Participants
Subjects will be treated with a continuous infusion of the local anesthetic Ropivacaine with the ON-Q® pump Ropivacaine: 40 ml Bupivacaine 0.25% will be drawn via two 20ml Syringes. A Bupivacaine 20ml syringe will be connected to an IV extension via a 3-way stopcock and Luer lock. The IV will be connected to an injection tuohy needle and flushed with NS. The TAP space will be located using ultrasound guidance. 15 ml Bupivacaine 0.25% will be injected. A catheter will be threaded through the tuohy needle into the TAP space. 5ml Bupivacaine 0.25% will then be injected. The catheter will be secured via standard technique. The process will be repeated for the opposite side. Patients will receive a filled ON-Q system. The ON-Q system contains Ropivacaine 0.2%. The pump will run at 7 ml/hr. per side.
Patient Reported Pain by VAS Scale
4.2 score on a scale
Standard Deviation 1.6
2.0 score on a scale
Standard Deviation 1.2
5.3 score on a scale
Standard Deviation 1.9

SECONDARY outcome

Timeframe: Postoperative Day 3

Population: Two patients in each of the Single Injection of Bupivacaine and Continuous Infusion of Ropivacaine groups were discharged prior to post-operative day 3. Pain rating data for these subjects were not collected.

Patients will rate their pain by VAS scale 3 days post surgery. Scale is a 0 to 10 visual analog scale with 0 representing no pain and 10 representing severe pain.

Outcome measures

Outcome measures
Measure
Single Injection of Bupivacaine
n=1 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Bupivacaine, a local anesthetic injected into the transversus abdominis plane. Bupivacaine: 60 ml Bupivacaine 0.25% will be drawn via 60 ml Syringe. The syringe will be connected and a 10ml flush syringe containing 10ml 0.9% Normal Saline (NS) will be connected to the end of an IV extension set via a 3-way stopcock and Luer lock connections. The Bupivacaine 0.25% syringe will be connected to the stopcock. The distal end of the IV connection will be connected to the injection needle. The entire setup will be flushed with 0.9% NS via flush syringe. The TAP space will also be located under ultrasound guidance and verified by using the 0.9% NS flush syringe. Once in the TAP space, 30 ml Bupivacaine 0.25% will be injected into the TAP space. This dose will be decreased to 25 ml for patients under 70 kg. The process will be repeated on the opposite side TAP block.
Single Injection of Exparel®
n=6 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Exparel®, a liposomal form of bupivacaine, into the transversus abdominis plane Exparel®: 20 ml Exparel (266 mg) will be drawn into a 20 ml syringe. A 20 ml Bupivacaine 0.25% syringe and the syringe containing the Exparel solution will be connected to the end of an IV extension set via a 3-way stopcock. The IV connection will be connected to the injection needle. The setup will be flushed with the Bupivacaine syringe. The TAP space will be located under ultrasound guidance. 133mg of Exparel will be injected into the TAP space. After injection, the syringe will be exchanged for the Bupivacaine syringe and 20ml Bupivacaine injected into the space. The process will be repeated on the opposite side TAP block.
Continuous Infusion of Ropivacaine
n=2 Participants
Subjects will be treated with a continuous infusion of the local anesthetic Ropivacaine with the ON-Q® pump Ropivacaine: 40 ml Bupivacaine 0.25% will be drawn via two 20ml Syringes. A Bupivacaine 20ml syringe will be connected to an IV extension via a 3-way stopcock and Luer lock. The IV will be connected to an injection tuohy needle and flushed with NS. The TAP space will be located using ultrasound guidance. 15 ml Bupivacaine 0.25% will be injected. A catheter will be threaded through the tuohy needle into the TAP space. 5ml Bupivacaine 0.25% will then be injected. The catheter will be secured via standard technique. The process will be repeated for the opposite side. Patients will receive a filled ON-Q system. The ON-Q system contains Ropivacaine 0.2%. The pump will run at 7 ml/hr. per side.
Patient Reported Pain by VAS Scale
4.0 score on a scale
Standard Deviation 0
2.2 score on a scale
Standard Deviation 1.2
3.8 score on a scale
Standard Deviation 0.8

SECONDARY outcome

Timeframe: Assessed daily for up to 3 days post-surgery

Population: All 3 patients in the Single Injection of Bupivacaine cohort required 1 day to be able to get out of bed.

Patients will be assessed each day following the day of surgery for the ability to get out of bed.

Outcome measures

Outcome measures
Measure
Single Injection of Bupivacaine
n=3 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Bupivacaine, a local anesthetic injected into the transversus abdominis plane. Bupivacaine: 60 ml Bupivacaine 0.25% will be drawn via 60 ml Syringe. The syringe will be connected and a 10ml flush syringe containing 10ml 0.9% Normal Saline (NS) will be connected to the end of an IV extension set via a 3-way stopcock and Luer lock connections. The Bupivacaine 0.25% syringe will be connected to the stopcock. The distal end of the IV connection will be connected to the injection needle. The entire setup will be flushed with 0.9% NS via flush syringe. The TAP space will also be located under ultrasound guidance and verified by using the 0.9% NS flush syringe. Once in the TAP space, 30 ml Bupivacaine 0.25% will be injected into the TAP space. This dose will be decreased to 25 ml for patients under 70 kg. The process will be repeated on the opposite side TAP block.
Single Injection of Exparel®
n=6 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Exparel®, a liposomal form of bupivacaine, into the transversus abdominis plane Exparel®: 20 ml Exparel (266 mg) will be drawn into a 20 ml syringe. A 20 ml Bupivacaine 0.25% syringe and the syringe containing the Exparel solution will be connected to the end of an IV extension set via a 3-way stopcock. The IV connection will be connected to the injection needle. The setup will be flushed with the Bupivacaine syringe. The TAP space will be located under ultrasound guidance. 133mg of Exparel will be injected into the TAP space. After injection, the syringe will be exchanged for the Bupivacaine syringe and 20ml Bupivacaine injected into the space. The process will be repeated on the opposite side TAP block.
Continuous Infusion of Ropivacaine
n=4 Participants
Subjects will be treated with a continuous infusion of the local anesthetic Ropivacaine with the ON-Q® pump Ropivacaine: 40 ml Bupivacaine 0.25% will be drawn via two 20ml Syringes. A Bupivacaine 20ml syringe will be connected to an IV extension via a 3-way stopcock and Luer lock. The IV will be connected to an injection tuohy needle and flushed with NS. The TAP space will be located using ultrasound guidance. 15 ml Bupivacaine 0.25% will be injected. A catheter will be threaded through the tuohy needle into the TAP space. 5ml Bupivacaine 0.25% will then be injected. The catheter will be secured via standard technique. The process will be repeated for the opposite side. Patients will receive a filled ON-Q system. The ON-Q system contains Ropivacaine 0.2%. The pump will run at 7 ml/hr. per side.
Number of Days Required for a Patient to Get Out of Bed
1.0 days
Standard Deviation 0.0
0.8 days
Standard Deviation 0.4
0.3 days
Standard Deviation 0.5

SECONDARY outcome

Timeframe: Assessed daily for up to 3 days post-surgery

Patients will be assessed each day following the day of surgery for the ability to walk unassisted

Outcome measures

Outcome measures
Measure
Single Injection of Bupivacaine
n=3 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Bupivacaine, a local anesthetic injected into the transversus abdominis plane. Bupivacaine: 60 ml Bupivacaine 0.25% will be drawn via 60 ml Syringe. The syringe will be connected and a 10ml flush syringe containing 10ml 0.9% Normal Saline (NS) will be connected to the end of an IV extension set via a 3-way stopcock and Luer lock connections. The Bupivacaine 0.25% syringe will be connected to the stopcock. The distal end of the IV connection will be connected to the injection needle. The entire setup will be flushed with 0.9% NS via flush syringe. The TAP space will also be located under ultrasound guidance and verified by using the 0.9% NS flush syringe. Once in the TAP space, 30 ml Bupivacaine 0.25% will be injected into the TAP space. This dose will be decreased to 25 ml for patients under 70 kg. The process will be repeated on the opposite side TAP block.
Single Injection of Exparel®
n=6 Participants
Subjects will undergo post-operative pain relief treatment with a single injection of Exparel®, a liposomal form of bupivacaine, into the transversus abdominis plane Exparel®: 20 ml Exparel (266 mg) will be drawn into a 20 ml syringe. A 20 ml Bupivacaine 0.25% syringe and the syringe containing the Exparel solution will be connected to the end of an IV extension set via a 3-way stopcock. The IV connection will be connected to the injection needle. The setup will be flushed with the Bupivacaine syringe. The TAP space will be located under ultrasound guidance. 133mg of Exparel will be injected into the TAP space. After injection, the syringe will be exchanged for the Bupivacaine syringe and 20ml Bupivacaine injected into the space. The process will be repeated on the opposite side TAP block.
Continuous Infusion of Ropivacaine
n=4 Participants
Subjects will be treated with a continuous infusion of the local anesthetic Ropivacaine with the ON-Q® pump Ropivacaine: 40 ml Bupivacaine 0.25% will be drawn via two 20ml Syringes. A Bupivacaine 20ml syringe will be connected to an IV extension via a 3-way stopcock and Luer lock. The IV will be connected to an injection tuohy needle and flushed with NS. The TAP space will be located using ultrasound guidance. 15 ml Bupivacaine 0.25% will be injected. A catheter will be threaded through the tuohy needle into the TAP space. 5ml Bupivacaine 0.25% will then be injected. The catheter will be secured via standard technique. The process will be repeated for the opposite side. Patients will receive a filled ON-Q system. The ON-Q system contains Ropivacaine 0.2%. The pump will run at 7 ml/hr. per side.
Number of Days Required for a Patient to Walk Unassisted
1.3 days
Standard Deviation 0.5
1.5 days
Standard Deviation 0.5
1.3 days
Standard Deviation 0.5

Adverse Events

Single Injection of Bupivacaine

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

Single Injection of Exparel®

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

Continuous Infusion of Ropivacaine

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

Director of Clinical Trials

Midwestern Regional Medical Center

Phone: 847-731-1648

Results disclosure agreements

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