Trial Outcomes & Findings for Efficacy of Ipack Block and Surgeon's Joint Infiltration in Total Knee Arthroplasty (NCT NCT03653416)

NCT ID: NCT03653416

Last Updated: 2020-11-03

Results Overview

Narcotic consumption in the first 24 hours

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

99 participants

Primary outcome timeframe

24 hours

Results posted on

2020-11-03

Participant Flow

Participants enrolled from March 2018, and study conducted from June 2018 to August 2019

Participant milestones

Participant milestones
Measure
Ipack Group
20 cc of bupivacaine(o.25%) injected with the help of ultrasound guidance. Patients received adductor canal catheter and peri articular infiltration as well. Ipack: IPACK block - local anesthesia injected safely under ultrasound guidance in the interspace between the popliteal artery and capsule of the knee.
Pai (Peri Articular) Group
Patients received adductor canal catheter and peri articular infiltration.
Overall Study
STARTED
52
47
Overall Study
COMPLETED
46
46
Overall Study
NOT COMPLETED
6
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Ipack Group
20 cc of bupivacaine(o.25%) injected with the help of ultrasound guidance. Patients received adductor canal catheter and peri articular infiltration as well. Ipack: IPACK block - local anesthesia injected safely under ultrasound guidance in the interspace between the popliteal artery and capsule of the knee.
Pai (Peri Articular) Group
Patients received adductor canal catheter and peri articular infiltration.
Overall Study
Protocol Violation
6
1

Baseline Characteristics

Efficacy of Ipack Block and Surgeon's Joint Infiltration in Total Knee Arthroplasty

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Pai (Peri Articular) Group
n=46 Participants
Patients received adductor canal catheter and peri articular infiltration.
Ipack Group
n=46 Participants
20 cc of bupivacaine(o.25%) injected with the help of ultrasound guidance. Patients received adductor canal catheter and peri articular infiltration as well. Ipack: IPACK block - local anesthesia injected safely under ultrasound guidance in the interspace between the popliteal artery and capsule of the knee.
Total
n=92 Participants
Total of all reporting groups
Age, Continuous
62.65 years
STANDARD_DEVIATION 6.20 • n=5 Participants
64.67 years
STANDARD_DEVIATION 7.72 • n=7 Participants
63.66 years
STANDARD_DEVIATION 7.04 • n=5 Participants
Sex: Female, Male
Female
30 Participants
n=5 Participants
14 Participants
n=7 Participants
44 Participants
n=5 Participants
Sex: Female, Male
Male
16 Participants
n=5 Participants
32 Participants
n=7 Participants
48 Participants
n=5 Participants
Race/Ethnicity, Customized
Asian
20 Participants
n=5 Participants
10 Participants
n=7 Participants
30 Participants
n=5 Participants
Race/Ethnicity, Customized
Black or African American
10 Participants
n=5 Participants
20 Participants
n=7 Participants
30 Participants
n=5 Participants
Race/Ethnicity, Customized
Hispanic or Latino
10 Participants
n=5 Participants
6 Participants
n=7 Participants
16 Participants
n=5 Participants
Race/Ethnicity, Customized
White
6 Participants
n=5 Participants
10 Participants
n=7 Participants
16 Participants
n=5 Participants
Body Mass Index (BMI)
32.69 kg/m^2
STANDARD_DEVIATION 7.27 • n=5 Participants
31.74 kg/m^2
STANDARD_DEVIATION 6.34 • n=7 Participants
32.21 kg/m^2
STANDARD_DEVIATION 6.80 • n=5 Participants
Side of surgery
Left
20 Participants
n=5 Participants
20 Participants
n=7 Participants
40 Participants
n=5 Participants
Side of surgery
Right
26 Participants
n=5 Participants
26 Participants
n=7 Participants
52 Participants
n=5 Participants
Smoker
1 Participants
n=5 Participants
5 Participants
n=7 Participants
6 Participants
n=5 Participants
Alcohol Use
16 Participants
n=5 Participants
13 Participants
n=7 Participants
29 Participants
n=5 Participants
Education Level
High School
24 Participants
n=5 Participants
29 Participants
n=7 Participants
53 Participants
n=5 Participants
Education Level
Bachelor's degree
12 Participants
n=5 Participants
11 Participants
n=7 Participants
23 Participants
n=5 Participants
Education Level
Graduate degree
10 Participants
n=5 Participants
6 Participants
n=7 Participants
16 Participants
n=5 Participants
Number of Employed Participants
16 Participants
n=5 Participants
3 Participants
n=7 Participants
19 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 24 hours

Narcotic consumption in the first 24 hours

Outcome measures

Outcome measures
Measure
Ipack Group
n=46 Participants
20 cc of bupivacaine(o.25%) injected with the help of ultrasound guidance. Patients received adductor canal catheter and peri articular infiltration as well. Ipack: IPACK block - local anesthesia injected safely under ultrasound guidance in the interspace between the popliteal artery and capsule of the knee.
Pai (Peri Articular) Group
n=46 Participants
Patients received adductor canal catheter and peri articular infiltration.
Narcotic Consumption
15.87 morphine equivalents, mg
Standard Deviation 19.75
13.67 morphine equivalents, mg
Standard Deviation 19.39

SECONDARY outcome

Timeframe: at 6, 12, 18, and 24 hours post procedure

Visual Analogue Score (VAS) for pain - scored from 0 (no pain) to 10 (extreme pain), that is, higher score indicates more pain.

Outcome measures

Outcome measures
Measure
Ipack Group
n=46 Participants
20 cc of bupivacaine(o.25%) injected with the help of ultrasound guidance. Patients received adductor canal catheter and peri articular infiltration as well. Ipack: IPACK block - local anesthesia injected safely under ultrasound guidance in the interspace between the popliteal artery and capsule of the knee.
Pai (Peri Articular) Group
n=46 Participants
Patients received adductor canal catheter and peri articular infiltration.
Visual Analogue Score (VAS) for Pain
6 hours
0.93 score on a scale
Standard Deviation 2.05
0.93 score on a scale
Standard Deviation 2.19
Visual Analogue Score (VAS) for Pain
12 hours
0.76 score on a scale
Standard Deviation 1.62
0.93 score on a scale
Standard Deviation 2.19
Visual Analogue Score (VAS) for Pain
18 hours
0.74 score on a scale
Standard Deviation 1.93
1.41 score on a scale
Standard Deviation 2.21
Visual Analogue Score (VAS) for Pain
24 hours
1.50 score on a scale
Standard Deviation 2.53
2.18 score on a scale
Standard Deviation 2.51

SECONDARY outcome

Timeframe: up to 24 hours

Outcome measures

Outcome measures
Measure
Ipack Group
n=46 Participants
20 cc of bupivacaine(o.25%) injected with the help of ultrasound guidance. Patients received adductor canal catheter and peri articular infiltration as well. Ipack: IPACK block - local anesthesia injected safely under ultrasound guidance in the interspace between the popliteal artery and capsule of the knee.
Pai (Peri Articular) Group
n=46 Participants
Patients received adductor canal catheter and peri articular infiltration.
Time to First Dose of Narcotic Administration
1.5 hours
Interval 0.0 to 7.0
0.25 hours
Interval 0.0 to 4.0

SECONDARY outcome

Timeframe: average 24 hours

Post-Anesthesia Care Unit (PACU) length of stay (LOS)

Outcome measures

Outcome measures
Measure
Ipack Group
n=46 Participants
20 cc of bupivacaine(o.25%) injected with the help of ultrasound guidance. Patients received adductor canal catheter and peri articular infiltration as well. Ipack: IPACK block - local anesthesia injected safely under ultrasound guidance in the interspace between the popliteal artery and capsule of the knee.
Pai (Peri Articular) Group
n=46 Participants
Patients received adductor canal catheter and peri articular infiltration.
PACU Length of Stay
3.00 hours
Interval 2.5 to 4.51
3.00 hours
Interval 3.0 to 5.0

SECONDARY outcome

Timeframe: 24 hours

Location of knee pain as anterior/posterior, medial/lateral

Outcome measures

Outcome measures
Measure
Ipack Group
n=46 Participants
20 cc of bupivacaine(o.25%) injected with the help of ultrasound guidance. Patients received adductor canal catheter and peri articular infiltration as well. Ipack: IPACK block - local anesthesia injected safely under ultrasound guidance in the interspace between the popliteal artery and capsule of the knee.
Pai (Peri Articular) Group
n=46 Participants
Patients received adductor canal catheter and peri articular infiltration.
Number of Participants With Pain by Location
Anterior
1 Participants
0 Participants
Number of Participants With Pain by Location
Knee
4 Participants
18 Participants
Number of Participants With Pain by Location
Lateral
10 Participants
7 Participants
Number of Participants With Pain by Location
Medial
5 Participants
3 Participants
Number of Participants With Pain by Location
Posterior
4 Participants
18 Participants
Number of Participants With Pain by Location
No Pain
22 Participants
0 Participants

SECONDARY outcome

Timeframe: Post-op Day 1

Ambulation distance with assistance on Post-operative Day (POD) 1 as assessed by PT

Outcome measures

Outcome measures
Measure
Ipack Group
n=46 Participants
20 cc of bupivacaine(o.25%) injected with the help of ultrasound guidance. Patients received adductor canal catheter and peri articular infiltration as well. Ipack: IPACK block - local anesthesia injected safely under ultrasound guidance in the interspace between the popliteal artery and capsule of the knee.
Pai (Peri Articular) Group
n=46 Participants
Patients received adductor canal catheter and peri articular infiltration.
Ambulation Distance
50 meters
Interval 30.0 to 74.0
45 meters
Interval 15.0 to 100.0

SECONDARY outcome

Timeframe: Post-op Day 1

Bartels Index to measure activities of daily living (ADL's) on POD 1 as assessed by OT. Total possible scores range from 0-100, with higher scores indicating more independence.

Outcome measures

Outcome measures
Measure
Ipack Group
n=46 Participants
20 cc of bupivacaine(o.25%) injected with the help of ultrasound guidance. Patients received adductor canal catheter and peri articular infiltration as well. Ipack: IPACK block - local anesthesia injected safely under ultrasound guidance in the interspace between the popliteal artery and capsule of the knee.
Pai (Peri Articular) Group
n=46 Participants
Patients received adductor canal catheter and peri articular infiltration.
Bartels Index
47 score on a scale
Interval 38.0 to 53.0
39 score on a scale
Interval 38.0 to 53.0

Adverse Events

Ipack Group

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

Pai (Peri Articular) Group

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

Poonam Pai B. H

Icahn School of Medicine at Mount Sinai

Phone: 347-569-4816

Results disclosure agreements

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

Restriction type: OTHER