Trial Outcomes & Findings for Opioid Reduction Initiative During Outpatient Pediatric Urologic Procedures Using Exparel (NCT NCT04826484)

NCT ID: NCT04826484

Last Updated: 2023-12-26

Results Overview

Percentage of patients who are opiate-free at 48 hours postoperatively.

Recruitment status

TERMINATED

Study phase

PHASE3

Target enrollment

104 participants

Primary outcome timeframe

48 hours postoperatively

Results posted on

2023-12-26

Participant Flow

Participant milestones

Participant milestones
Measure
Liposomal Bupivacaine Plus 0.25% Bupivacaine
Participants will receive local wound infiltration with sequential Liposomal Bupivacaine plus 0.25% Bupivacaine Exparel 133 miligrams per 10 milliliter injection: Local wound infiltration with Exparel 133 miligrams per 10 milliliter injection Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
0.25% Bupivacaine Alone
Participants will receive local wound infiltration with 0.25% Bupivacaine alone. Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
Overall Study
STARTED
52
52
Overall Study
COMPLETED
50
52
Overall Study
NOT COMPLETED
2
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Liposomal Bupivacaine Plus 0.25% Bupivacaine
Participants will receive local wound infiltration with sequential Liposomal Bupivacaine plus 0.25% Bupivacaine Exparel 133 miligrams per 10 milliliter injection: Local wound infiltration with Exparel 133 miligrams per 10 milliliter injection Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
0.25% Bupivacaine Alone
Participants will receive local wound infiltration with 0.25% Bupivacaine alone. Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
Overall Study
Lost to Follow-up
2
0

Baseline Characteristics

Opioid Reduction Initiative During Outpatient Pediatric Urologic Procedures Using Exparel

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Liposomal Bupivacaine Plus 0.25% Bupivacaine
n=52 Participants
Participants will receive local wound infiltration with sequential Liposomal Bupivacaine plus 0.25% Bupivacaine Exparel 133 miligrams per 10 milliliter injection: Local wound infiltration with Exparel 133 miligrams per 10 milliliter injection Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
0.25% Bupivacaine Alone
n=52 Participants
Participants will receive local wound infiltration with 0.25% Bupivacaine alone. Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
Total
n=104 Participants
Total of all reporting groups
Age, Continuous
9.5 years
n=5 Participants
11 years
n=7 Participants
10 years
n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Sex: Female, Male
Male
52 Participants
n=5 Participants
52 Participants
n=7 Participants
104 Participants
n=5 Participants
Race/Ethnicity, Customized
Race · Caucasian
29 Participants
n=5 Participants
32 Participants
n=7 Participants
61 Participants
n=5 Participants
Race/Ethnicity, Customized
Race · African American
13 Participants
n=5 Participants
7 Participants
n=7 Participants
20 Participants
n=5 Participants
Race/Ethnicity, Customized
Race · Asian
5 Participants
n=5 Participants
9 Participants
n=7 Participants
14 Participants
n=5 Participants
Race/Ethnicity, Customized
Race · LatinX/Hispanic
5 Participants
n=5 Participants
4 Participants
n=7 Participants
9 Participants
n=5 Participants
Region of Enrollment
United States
52 Participants
n=5 Participants
52 Participants
n=7 Participants
104 Participants
n=5 Participants
Body Mass Index
18.5 kg/m^2
n=5 Participants
18.6 kg/m^2
n=7 Participants
18.5 kg/m^2
n=5 Participants
Procedure Type
Orchiopexy
20 Participants
n=5 Participants
21 Participants
n=7 Participants
41 Participants
n=5 Participants
Procedure Type
Circumcision
20 Participants
n=5 Participants
22 Participants
n=7 Participants
42 Participants
n=5 Participants
Procedure Type
Distal Hypospadias Repair
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Procedure Type
Inguinal Hernia Repair/Hydrocelectomy
5 Participants
n=5 Participants
7 Participants
n=7 Participants
12 Participants
n=5 Participants
Procedure Type
Penile Cyst Excision
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Procedure Type
Chordee Repair
6 Participants
n=5 Participants
1 Participants
n=7 Participants
7 Participants
n=5 Participants
Postoperative Pain Management Strategies
Ketoralac
30 participants
n=5 Participants
38 participants
n=7 Participants
68 participants
n=5 Participants
Postoperative Pain Management Strategies
Tylenol
48 participants
n=5 Participants
47 participants
n=7 Participants
95 participants
n=5 Participants
Postoperative Pain Management Strategies
Ibuprofen plus Tylenol
32 participants
n=5 Participants
29 participants
n=7 Participants
61 participants
n=5 Participants
Surgeon Performing Procedure
Surgeon 1
14 Participants
n=5 Participants
9 Participants
n=7 Participants
23 Participants
n=5 Participants
Surgeon Performing Procedure
Surgeon 2
7 Participants
n=5 Participants
17 Participants
n=7 Participants
24 Participants
n=5 Participants
Surgeon Performing Procedure
Surgeon 3
9 Participants
n=5 Participants
11 Participants
n=7 Participants
20 Participants
n=5 Participants
Surgeon Performing Procedure
Surgeon 4
22 Participants
n=5 Participants
15 Participants
n=7 Participants
37 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 48 hours postoperatively

Percentage of patients who are opiate-free at 48 hours postoperatively.

Outcome measures

Outcome measures
Measure
Liposomal Bupivacaine Plus 0.25% Bupivacaine
n=52 Participants
Participants will receive local wound infiltration with sequential Liposomal Bupivacaine plus 0.25% Bupivacaine Exparel 133 miligrams per 10 milliliter injection: Local wound infiltration with Exparel 133 miligrams per 10 milliliter injection Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
0.25% Bupivacaine Alone
n=52 Participants
Participants will receive local wound infiltration with 0.25% Bupivacaine alone. Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
Percentage of Patients Who Are Opiate-free
60 percentage of patients opioid-free
62 percentage of patients opioid-free

PRIMARY outcome

Timeframe: 10-14 days postoperatively

Population: Two patients in the intervention arm were lost to follow-up at the 10-14d followup (thus 50 were available for analysis)

Percentage of patients who are opiate-free at 10-14 days postoperatively.

Outcome measures

Outcome measures
Measure
Liposomal Bupivacaine Plus 0.25% Bupivacaine
n=50 Participants
Participants will receive local wound infiltration with sequential Liposomal Bupivacaine plus 0.25% Bupivacaine Exparel 133 miligrams per 10 milliliter injection: Local wound infiltration with Exparel 133 miligrams per 10 milliliter injection Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
0.25% Bupivacaine Alone
n=52 Participants
Participants will receive local wound infiltration with 0.25% Bupivacaine alone. Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
Percentage of Patients Who Are Opiate-free at 10-14 Days Postoperatively
60 percentage of pt opioid-free at 10-14d
62 percentage of pt opioid-free at 10-14d

PRIMARY outcome

Timeframe: 48 hours postoperatively

15-item, yes/no behavioral checklist based on non-verbal pain cues children show following surgery. Scale is from 0 to 15, with higher scores denoting more severe pain. A score of 6+ has been validated as a threshold for a child experiencing clinically significant pain.

Outcome measures

Outcome measures
Measure
Liposomal Bupivacaine Plus 0.25% Bupivacaine
n=52 Participants
Participants will receive local wound infiltration with sequential Liposomal Bupivacaine plus 0.25% Bupivacaine Exparel 133 miligrams per 10 milliliter injection: Local wound infiltration with Exparel 133 miligrams per 10 milliliter injection Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
0.25% Bupivacaine Alone
n=52 Participants
Participants will receive local wound infiltration with 0.25% Bupivacaine alone. Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
Parents' Postoperative Pain Measure (PPPM) Scores
2 score on a scale
Interval 1.0 to 3.0
2.5 score on a scale
Interval 2.0 to 4.0

PRIMARY outcome

Timeframe: 10-14 days postoperatively

Population: Two patients in the intervention arm were lost to follow-up at the 10-14d followup (thus 50 were available for analysis)

15-item, yes/no behavioral checklist based on non-verbal pain cues children show following surgery. Scale is from 0 to 15, with higher scores denoting more severe pain. A score of 6+ has been validated as a threshold for a child experiencing clinically significant pain.

Outcome measures

Outcome measures
Measure
Liposomal Bupivacaine Plus 0.25% Bupivacaine
n=50 Participants
Participants will receive local wound infiltration with sequential Liposomal Bupivacaine plus 0.25% Bupivacaine Exparel 133 miligrams per 10 milliliter injection: Local wound infiltration with Exparel 133 miligrams per 10 milliliter injection Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
0.25% Bupivacaine Alone
n=52 Participants
Participants will receive local wound infiltration with 0.25% Bupivacaine alone. Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
Parents' Postoperative Pain Measure (PPPM) Scores
0 score on a scale
Interval 0.0 to 1.0
0 score on a scale
Interval 0.0 to 1.0

SECONDARY outcome

Timeframe: 10-14 days postoperatively

Population: Two patients in the intervention arm were lost to follow-up at the 10-14d followup (thus 50 were available for analysis)

Weight based amount of opioid medication (in OMEQ/kg) used post-discharge.

Outcome measures

Outcome measures
Measure
Liposomal Bupivacaine Plus 0.25% Bupivacaine
n=50 Participants
Participants will receive local wound infiltration with sequential Liposomal Bupivacaine plus 0.25% Bupivacaine Exparel 133 miligrams per 10 milliliter injection: Local wound infiltration with Exparel 133 miligrams per 10 milliliter injection Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
0.25% Bupivacaine Alone
n=52 Participants
Participants will receive local wound infiltration with 0.25% Bupivacaine alone. Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
Amount of Opioid Medication Used Post-discharge
0 Oral morphine equivalent per kg (OMEQ/kg
Interval 0.0 to 0.1
0 Oral morphine equivalent per kg (OMEQ/kg
Interval 0.0 to 0.22

SECONDARY outcome

Timeframe: 10-14 days postoperatively

Population: Two patients in the intervention arm were lost to follow-up at the 10-14d followup (thus 50 were available for analysis)

Percentage of patients with leftover opioid medication

Outcome measures

Outcome measures
Measure
Liposomal Bupivacaine Plus 0.25% Bupivacaine
n=50 Participants
Participants will receive local wound infiltration with sequential Liposomal Bupivacaine plus 0.25% Bupivacaine Exparel 133 miligrams per 10 milliliter injection: Local wound infiltration with Exparel 133 miligrams per 10 milliliter injection Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
0.25% Bupivacaine Alone
n=52 Participants
Participants will receive local wound infiltration with 0.25% Bupivacaine alone. Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
Percentage of Patients With Leftover Opioid Medication
14 % of patients with leftover opiates
24 % of patients with leftover opiates

SECONDARY outcome

Timeframe: 10-14 days postoperatively

Population: Two patients in the intervention arm were lost to follow-up at the 10-14d followup (thus 50 were available for analysis)

Cumulative incidence of complications related to local anesthetic systemic toxicity

Outcome measures

Outcome measures
Measure
Liposomal Bupivacaine Plus 0.25% Bupivacaine
n=50 Participants
Participants will receive local wound infiltration with sequential Liposomal Bupivacaine plus 0.25% Bupivacaine Exparel 133 miligrams per 10 milliliter injection: Local wound infiltration with Exparel 133 miligrams per 10 milliliter injection Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
0.25% Bupivacaine Alone
n=52 Participants
Participants will receive local wound infiltration with 0.25% Bupivacaine alone. Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
Cumulative Incidence of Complications Related to Local Anesthetic Systemic Toxicity
0 Participants
0 Participants

Adverse Events

Liposomal Bupivacaine Plus 0.25% Bupivacaine

Serious events: 0 serious events
Other events: 7 other events
Deaths: 0 deaths

0.25% Bupivacaine Alone

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Liposomal Bupivacaine Plus 0.25% Bupivacaine
n=52 participants at risk
Participants will receive local wound infiltration with sequential Liposomal Bupivacaine plus 0.25% Bupivacaine Exparel 133 miligrams per 10 milliliter injection: Local wound infiltration with Exparel 133 miligrams per 10 milliliter injection Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
0.25% Bupivacaine Alone
n=52 participants at risk
Participants will receive local wound infiltration with 0.25% Bupivacaine alone. Bupivacaine Hydrochloride: Local wound infiltration with 0.25% bupivacaine.
Renal and urinary disorders
Postoperative swelling
11.5%
6/52 • Number of events 6 • 1 month
9.6%
5/52 • Number of events 5 • 1 month
Renal and urinary disorders
Penile Hematoma
1.9%
1/52 • Number of events 1 • 1 month
0.00%
0/52 • 1 month

Additional Information

Andrew T. Gabrielson, MD

Johns Hopkins University School of Medicine

Phone: 410-955-5000

Results disclosure agreements

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