Trial Outcomes & Findings for TAP Block Using Liposomal Bupivacaine for Post-cesarean Delivery Analgesia- Walking Towards Recovery (NCT NCT04393207)

NCT ID: NCT04393207

Last Updated: 2025-03-21

Results Overview

Morphine milligram equivalents

Recruitment status

TERMINATED

Study phase

PHASE4

Target enrollment

147 participants

Primary outcome timeframe

24 hours

Results posted on

2025-03-21

Participant Flow

Participant milestones

Participant milestones
Measure
Control Group (Bupivacaine)
Patient will receive intrathecal morphine and TAP block with plain bupivacaine. Control group (Bupivacaine)- (BPG): Transverse abdominis plane block will be performed with plain bupivacaine
Liposomal Bupivacaine
Patient will receive intrathecal morphine + TAP block with Liposomal bupivacaine and bupivacaine 0.25% Liposomal bupivacaine (LB): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with liposomal bupivacaine + bupivacaine or with bupivacaine alone. Dexamethasone and methylprednisolone (CG): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with with bupivacaine alone.
Bupivacaine + Dexamethasone and Methylprednisolone
Patient will receive intrathecal morphine + TAP block with only bupivacaine. Dexamethasone and methylprednisolone (CG): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with with bupivacaine alone.
Overall Study
STARTED
24
60
63
Overall Study
COMPLETED
24
60
63
Overall Study
NOT COMPLETED
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

TAP Block Using Liposomal Bupivacaine for Post-cesarean Delivery Analgesia- Walking Towards Recovery

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Control Group (Bupivacaine)
n=24 Participants
Patient will receive intrathecal morphine and TAP block with plain bupivacaine. Control group (Bupivacaine)- (BPG): Transverse abdominis plane block will be performed with plain bupivacaine
Liposomal Bupivacaine
n=60 Participants
Patient will receive intrathecal morphine + TAP block with Liposomal bupivacaine and bupivacaine 0.25% Liposomal bupivacaine (LB): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with liposomal bupivacaine + bupivacaine or with bupivacaine alone. Dexamethasone and methylprednisolone (CG): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with with bupivacaine alone.
Bupivacaine + Dexamethasone and Methylprednisolone
n=63 Participants
Patient will receive intrathecal morphine + TAP block with only bupivacaine. Dexamethasone and methylprednisolone (CG): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with with bupivacaine alone.
Total
n=147 Participants
Total of all reporting groups
Age, Continuous
33.13 years
STANDARD_DEVIATION 5.86 • n=5 Participants
33.66 years
STANDARD_DEVIATION 4.79 • n=7 Participants
32.8 years
STANDARD_DEVIATION 5.02 • n=5 Participants
33.23 years
STANDARD_DEVIATION 5.08 • n=4 Participants
Sex: Female, Male
Female
24 Participants
n=5 Participants
60 Participants
n=7 Participants
63 Participants
n=5 Participants
147 Participants
n=4 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
7 Participants
n=5 Participants
11 Participants
n=7 Participants
10 Participants
n=5 Participants
28 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
17 Participants
n=5 Participants
49 Participants
n=7 Participants
53 Participants
n=5 Participants
119 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
2 Participants
n=7 Participants
9 Participants
n=5 Participants
12 Participants
n=4 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Black or African American
3 Participants
n=5 Participants
9 Participants
n=7 Participants
3 Participants
n=5 Participants
15 Participants
n=4 Participants
Race (NIH/OMB)
White
15 Participants
n=5 Participants
46 Participants
n=7 Participants
46 Participants
n=5 Participants
107 Participants
n=4 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Unknown or Not Reported
5 Participants
n=5 Participants
3 Participants
n=7 Participants
5 Participants
n=5 Participants
13 Participants
n=4 Participants
Region of Enrollment
United States
24 participants
n=5 Participants
60 participants
n=7 Participants
63 participants
n=5 Participants
147 participants
n=4 Participants
Gestation
2.83 pregnancies
STANDARD_DEVIATION 1.4 • n=5 Participants
2.9 pregnancies
STANDARD_DEVIATION 1.72 • n=7 Participants
2.4 pregnancies
STANDARD_DEVIATION 0.93 • n=5 Participants
2.71 pregnancies
STANDARD_DEVIATION 1.42 • n=4 Participants
Gestation age in weeks
53.95 weeks
STANDARD_DEVIATION 75 • n=5 Participants
38.32 weeks
STANDARD_DEVIATION 1.62 • n=7 Participants
47.36 weeks
STANDARD_DEVIATION 56.07 • n=5 Participants
45.02 weeks
STANDARD_DEVIATION 48.49 • n=4 Participants

PRIMARY outcome

Timeframe: 24 hours

Morphine milligram equivalents

Outcome measures

Outcome measures
Measure
Control Group (Bupivacaine)
n=24 Participants
Patient will receive intrathecal morphine and TAP block with plain bupivacaine. Control group (Bupivacaine)- (BPG): Transverse abdominis plane block will be performed with plain bupivacaine
Liposomal Bupivacaine
n=60 Participants
Patient will receive intrathecal morphine + TAP block with Liposomal bupivacaine and bupivacaine 0.25% Liposomal bupivacaine (LB): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with liposomal bupivacaine + bupivacaine or with bupivacaine alone. Dexamethasone and methylprednisolone (CG): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with with bupivacaine alone.
Bupivacaine + Dexamethasone and Methylprednisolone
n=63 Participants
Patient will receive intrathecal morphine + TAP block with only bupivacaine. Dexamethasone and methylprednisolone (CG): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with with bupivacaine alone.
Morphine Milligram Equivalents (MME)
5.31 Morphine milligram equivalents
Standard Deviation 8.12
5.16 Morphine milligram equivalents
Standard Deviation 10.16
5.06 Morphine milligram equivalents
Standard Deviation 9.67

PRIMARY outcome

Timeframe: 48 hours

Morphine milligram equivalents

Outcome measures

Outcome measures
Measure
Control Group (Bupivacaine)
n=24 Participants
Patient will receive intrathecal morphine and TAP block with plain bupivacaine. Control group (Bupivacaine)- (BPG): Transverse abdominis plane block will be performed with plain bupivacaine
Liposomal Bupivacaine
n=60 Participants
Patient will receive intrathecal morphine + TAP block with Liposomal bupivacaine and bupivacaine 0.25% Liposomal bupivacaine (LB): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with liposomal bupivacaine + bupivacaine or with bupivacaine alone. Dexamethasone and methylprednisolone (CG): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with with bupivacaine alone.
Bupivacaine + Dexamethasone and Methylprednisolone
n=63 Participants
Patient will receive intrathecal morphine + TAP block with only bupivacaine. Dexamethasone and methylprednisolone (CG): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with with bupivacaine alone.
Morphine Milligram Equivalents (MME)
15.31 Morphine milligram equivalents
Standard Deviation 22.93
15.55 Morphine milligram equivalents
Standard Deviation 23.18
16.59 Morphine milligram equivalents
Standard Deviation 18.15

PRIMARY outcome

Timeframe: 72 hours

Morphine milligram equivalents

Outcome measures

Outcome measures
Measure
Control Group (Bupivacaine)
n=24 Participants
Patient will receive intrathecal morphine and TAP block with plain bupivacaine. Control group (Bupivacaine)- (BPG): Transverse abdominis plane block will be performed with plain bupivacaine
Liposomal Bupivacaine
n=60 Participants
Patient will receive intrathecal morphine + TAP block with Liposomal bupivacaine and bupivacaine 0.25% Liposomal bupivacaine (LB): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with liposomal bupivacaine + bupivacaine or with bupivacaine alone. Dexamethasone and methylprednisolone (CG): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with with bupivacaine alone.
Bupivacaine + Dexamethasone and Methylprednisolone
n=63 Participants
Patient will receive intrathecal morphine + TAP block with only bupivacaine. Dexamethasone and methylprednisolone (CG): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with with bupivacaine alone.
Morphine Milligram Equivalents (MME)
6.56 Morphine milligram equivalents
Standard Deviation 14.72
7.81 Morphine milligram equivalents
Standard Deviation 14.51
6.56 Morphine milligram equivalents
Standard Deviation 11.16

SECONDARY outcome

Timeframe: 24 hours, 48 hours, 72 hours

Use of a validated questionnaire to measure recovery after cesarean delivery ObsQoR-11. Total score ranging from 0 to 100, with a higher score indicating a better quality of recovery after a caesarean delivery.

Outcome measures

Outcome measures
Measure
Control Group (Bupivacaine)
n=24 Participants
Patient will receive intrathecal morphine and TAP block with plain bupivacaine. Control group (Bupivacaine)- (BPG): Transverse abdominis plane block will be performed with plain bupivacaine
Liposomal Bupivacaine
n=60 Participants
Patient will receive intrathecal morphine + TAP block with Liposomal bupivacaine and bupivacaine 0.25% Liposomal bupivacaine (LB): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with liposomal bupivacaine + bupivacaine or with bupivacaine alone. Dexamethasone and methylprednisolone (CG): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with with bupivacaine alone.
Bupivacaine + Dexamethasone and Methylprednisolone
n=63 Participants
Patient will receive intrathecal morphine + TAP block with only bupivacaine. Dexamethasone and methylprednisolone (CG): Transverse abdominis plane block will be performed and the neurofascial plane between the internal oblique and the transverse abdominis will be infiltrated with with bupivacaine alone.
Self Assessed Recovery Survey Obstetric Quality-of-Recovery Score (ObsQoR-11)
24 hours
83 score on a scale
Standard Deviation 15.3
84 score on a scale
Standard Deviation 16.1
85.2 score on a scale
Standard Deviation 15.6
Self Assessed Recovery Survey Obstetric Quality-of-Recovery Score (ObsQoR-11)
48 hours
80.8 score on a scale
Standard Deviation 16.7
87.1 score on a scale
Standard Deviation 16.6
86.6 score on a scale
Standard Deviation 15.5
Self Assessed Recovery Survey Obstetric Quality-of-Recovery Score (ObsQoR-11)
72 hours
86 score on a scale
Standard Deviation 41.9
90.4 score on a scale
Standard Deviation 41.5
86 score on a scale
Standard Deviation 36.7

Adverse Events

Control Group (Bupivacaine)

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

Liposomal Bupivacaine

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

Bupivacaine + Dexamethasone and Methylprednisolone

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

Antonio Gonzalez

Yale

Phone: 203.785.2802

Results disclosure agreements

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