Trial Outcomes & Findings for Infrapatellar Nerve Block for Post-operative Knee Arthroscopy Pain Control (NCT NCT01279447)

NCT ID: NCT01279447

Last Updated: 2014-05-12

Results Overview

immediate postop pain score, Visual Analog Scale. Evaluates pain on scale from 0-10. 0=no pain. 10=maximum pain.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

68 participants

Primary outcome timeframe

0 hours

Results posted on

2014-05-12

Participant Flow

Participant milestones

Participant milestones
Measure
Placebo
A sham infrapatellar block performed under US guidance with normal saline Normal Saline: 10cc, single dose, US guided injection
Infrapatellar Nerve Block
An infrapatellar nerve block performed under US guidance with 0.25% bupivacaine 0.25% Bupivacaine: 10cc, single dose, US guided injection
Overall Study
STARTED
34
34
Overall Study
COMPLETED
31
33
Overall Study
NOT COMPLETED
3
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Placebo
A sham infrapatellar block performed under US guidance with normal saline Normal Saline: 10cc, single dose, US guided injection
Infrapatellar Nerve Block
An infrapatellar nerve block performed under US guidance with 0.25% bupivacaine 0.25% Bupivacaine: 10cc, single dose, US guided injection
Overall Study
Lost to Follow-up
3
1

Baseline Characteristics

Infrapatellar Nerve Block for Post-operative Knee Arthroscopy Pain Control

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Placebo
n=34 Participants
A sham infrapatellar block performed under US guidance with normal saline Normal Saline: 10cc, single dose, US guided injection
Infrapatellar Nerve Block
n=34 Participants
An infrapatellar nerve block performed under US guidance with 0.25% bupivacaine 0.25% Bupivacaine: 10cc, single dose, US guided injection
Total
n=68 Participants
Total of all reporting groups
Age, Continuous
49.6 years
STANDARD_DEVIATION 14.1 • n=5 Participants
51.7 years
STANDARD_DEVIATION 12.1 • n=7 Participants
50.6 years
STANDARD_DEVIATION 13 • n=5 Participants
Sex: Female, Male
Female
16 Participants
n=5 Participants
19 Participants
n=7 Participants
35 Participants
n=5 Participants
Sex: Female, Male
Male
18 Participants
n=5 Participants
15 Participants
n=7 Participants
33 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 0 hours

immediate postop pain score, Visual Analog Scale. Evaluates pain on scale from 0-10. 0=no pain. 10=maximum pain.

Outcome measures

Outcome measures
Measure
Placebo
n=34 Participants
A sham infrapatellar block performed under US guidance with normal saline Normal Saline: 10cc, single dose, US guided injection
Infrapatellar Nerve Block
n=34 Participants
An infrapatellar nerve block performed under US guidance with 0.25% bupivacaine 0.25% Bupivacaine: 10cc, single dose, US guided injection
Post op Pain Score
5.5 units on a scale
Standard Deviation 2.6
3.9 units on a scale
Standard Deviation 3.3

Adverse Events

Placebo

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

Infrapatellar Nerve Block

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

Lawrence Hsu, MD

Northwestern

Phone: 312 9262000

Results disclosure agreements

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