Trial Outcomes & Findings for Intra-articular Morphine and Clonidine Injections for Pain Management in Hip Arthroscopy (NCT NCT02530151)

NCT ID: NCT02530151

Last Updated: 2019-09-23

Results Overview

The total usage of opioid medication (mEq) for pain relief in the intraoperative period and again through the postoperative recovery period from arrival in the PACU through 7 days post op

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

70 participants

Primary outcome timeframe

Recorded intraoperatively, during PACU stay, 6 hours post discharge, 18 hours post discharge, 24 hours post discharge, 48 hours post discharge, and at 7 days post discharge

Results posted on

2019-09-23

Participant Flow

Participant milestones

Participant milestones
Measure
Morphine With Clonidine
11 mL intra-articular injection of 10 mg morphine and 100 mcg clonidine in .9% NaCl solution at conclusion of hip arthroscopy procedure Morphine with clonidine: see arm description
Normal Saline
11 mL intra-articular injection of .9% NaCl solution at conclusion of hip arthroscopy procedure Normal saline: see arm description
Overall Study
STARTED
37
33
Overall Study
COMPLETED
16
17
Overall Study
NOT COMPLETED
21
16

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Morphine With Clonidine
n=37 Participants
11 mL intra-articular injection of 10 mg morphine and 100 mcg clonidine in .9% NaCl solution at conclusion of hip arthroscopy procedure Morphine with clonidine: see arm description
Normal Saline
n=33 Participants
11 mL intra-articular injection of .9% NaCl solution at conclusion of hip arthroscopy procedure Normal saline: see arm description
Total
n=70 Participants
Total of all reporting groups
Age, Continuous
40.7 years
STANDARD_DEVIATION 12.9 • n=37 Participants
36.7 years
STANDARD_DEVIATION 11.8 • n=33 Participants
38.8 years
STANDARD_DEVIATION 12.3 • n=70 Participants
Sex: Female, Male
Female
25 Participants
n=37 Participants
19 Participants
n=33 Participants
44 Participants
n=70 Participants
Sex: Female, Male
Male
12 Participants
n=37 Participants
14 Participants
n=33 Participants
26 Participants
n=70 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Region of Enrollment
United States
37 participants
n=37 Participants
33 participants
n=33 Participants
70 participants
n=70 Participants
Smoking Status
No
35 Participants
n=37 Participants
30 Participants
n=33 Participants
65 Participants
n=70 Participants
Smoking Status
Yes
2 Participants
n=37 Participants
3 Participants
n=33 Participants
5 Participants
n=70 Participants
Body Mass Index (BMI)
25.8 kg/m^2
STANDARD_DEVIATION 3.5 • n=37 Participants
25.5 kg/m^2
STANDARD_DEVIATION 3.8 • n=33 Participants
25.6 kg/m^2
STANDARD_DEVIATION 3.6 • n=70 Participants
Surgical duration
43.9 minutes
STANDARD_DEVIATION 13.7 • n=37 Participants
42.4 minutes
STANDARD_DEVIATION 9.5 • n=33 Participants
43.2 minutes
STANDARD_DEVIATION 11.7 • n=70 Participants
Concomitant Procedures
Iliopsoas lengthening
5 Participants
n=37 Participants
11 Participants
n=33 Participants
16 Participants
n=70 Participants
Concomitant Procedures
IT band windowing/trochanteric bursectomy
11 Participants
n=37 Participants
6 Participants
n=33 Participants
17 Participants
n=70 Participants
Concomitant Procedures
Loose body removal
0 Participants
n=37 Participants
1 Participants
n=33 Participants
1 Participants
n=70 Participants
Time to recovery
172 minutes
STANDARD_DEVIATION 40.5 • n=37 Participants
172 minutes
STANDARD_DEVIATION 42 • n=33 Participants
172 minutes
STANDARD_DEVIATION 41.2 • n=70 Participants

PRIMARY outcome

Timeframe: Recorded intraoperatively, during PACU stay, 6 hours post discharge, 18 hours post discharge, 24 hours post discharge, 48 hours post discharge, and at 7 days post discharge

Population: Patients that failed to complete the necessary follow up for all time points following discharge (6 hrs/18 hrs/24 hrs/48 hrs) were excluded from final analysis for the respective time points

The total usage of opioid medication (mEq) for pain relief in the intraoperative period and again through the postoperative recovery period from arrival in the PACU through 7 days post op

Outcome measures

Outcome measures
Measure
Morphine With Clonidine
n=37 Participants
11 mL intra-articular injection of 10 mg morphine and 100 mcg clonidine in .9% NaCl solution at conclusion of hip arthroscopy procedure Morphine with clonidine: see arm description
Normal Saline
n=33 Participants
11 mL intra-articular injection of .9% NaCl solution at conclusion of hip arthroscopy procedure Normal saline: see arm description
Opioid Consumption in the Acute Postoperative Period
Intraoperative
57.3 milligram morphine equivalents (mEq)
Interval 50.6 to 63.9
56.0 milligram morphine equivalents (mEq)
Interval 47.6 to 64.4
Opioid Consumption in the Acute Postoperative Period
PACU
37.0 milligram morphine equivalents (mEq)
Interval 28.8 to 45.3
40.1 milligram morphine equivalents (mEq)
Interval 31.8 to 48.4
Opioid Consumption in the Acute Postoperative Period
6 hours Post Discharge
5.5 milligram morphine equivalents (mEq)
Interval 3.7 to 7.3
5.3 milligram morphine equivalents (mEq)
Interval 3.0 to 7.6
Opioid Consumption in the Acute Postoperative Period
18 hours Post Discharge
14.5 milligram morphine equivalents (mEq)
Interval 10.6 to 18.4
13.8 milligram morphine equivalents (mEq)
Interval 8.7 to 18.9
Opioid Consumption in the Acute Postoperative Period
24 hours Post Discharge
19.5 milligram morphine equivalents (mEq)
Interval 13.9 to 25.1
20.0 milligram morphine equivalents (mEq)
Interval 12.1 to 27.8
Opioid Consumption in the Acute Postoperative Period
48 hours Post Discharge
27.7 milligram morphine equivalents (mEq)
Interval 19.5 to 35.9
35.6 milligram morphine equivalents (mEq)
Interval 18.3 to 52.9
Opioid Consumption in the Acute Postoperative Period
7 days Post Discharge
50.7 milligram morphine equivalents (mEq)
Interval 29.6 to 71.7
73.8 milligram morphine equivalents (mEq)
Interval 31.6 to 115.9

SECONDARY outcome

Timeframe: Immediately preoperative (5-10 minutes before surgery), immediately postoperative (5-10 minutes after surgery), 1 hr post operatively

Patients will rate their pain (0-10) on the Visual Analog Scale with higher scores for the VAS indicated elevated pain intensity reported by the patient for the indicated time point

Outcome measures

Outcome measures
Measure
Morphine With Clonidine
n=37 Participants
11 mL intra-articular injection of 10 mg morphine and 100 mcg clonidine in .9% NaCl solution at conclusion of hip arthroscopy procedure Morphine with clonidine: see arm description
Normal Saline
n=33 Participants
11 mL intra-articular injection of .9% NaCl solution at conclusion of hip arthroscopy procedure Normal saline: see arm description
Visual Analog Scale (VAS) Pain Scores
Preoperative VAS Pain Score
2 score on a scale
Interval 1.0 to 3.0
2 score on a scale
Interval 1.0 to 3.0
Visual Analog Scale (VAS) Pain Scores
Immediate Post Op VAS Pain Score
3 score on a scale
Interval 2.0 to 4.0
4 score on a scale
Interval 3.0 to 5.0
Visual Analog Scale (VAS) Pain Scores
1 hr. Post Op VAS Pain Score
4 score on a scale
Interval 3.0 to 5.0
5 score on a scale
Interval 4.0 to 5.0

SECONDARY outcome

Timeframe: Preoperative to 24 hrs. post operatively

The Quality of Recovery questionnaire (QoR-15) is a 15 question patient reported outcome measure used to evaluate the quality of recovery following surgical anesthesia concerning pain, physical function, and psychological factors; reported as a summative score with each question graded between 0-10 (Range:0-150) with higher scores indicating improved physical/psychological recovery or infrequent symptoms

Outcome measures

Outcome measures
Measure
Morphine With Clonidine
n=37 Participants
11 mL intra-articular injection of 10 mg morphine and 100 mcg clonidine in .9% NaCl solution at conclusion of hip arthroscopy procedure Morphine with clonidine: see arm description
Normal Saline
n=33 Participants
11 mL intra-articular injection of .9% NaCl solution at conclusion of hip arthroscopy procedure Normal saline: see arm description
Quality of Recovery (QoR-15) Scores for Patient Reported Recovery Following Surgery
Preoperative QoR-15 Score
123 score on a scale
Interval 108.0 to 138.0
131 score on a scale
Interval 125.0 to 137.0
Quality of Recovery (QoR-15) Scores for Patient Reported Recovery Following Surgery
Change in QoR-15 Score at 24 hrs. Post Op
-22 score on a scale
Interval -35.0 to -9.0
-20 score on a scale
Interval -29.0 to -10.0

Adverse Events

Morphine With Clonidine

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

Normal Saline

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

Michael Terry, MD

Northwestern University

Phone: 312-472-6488

Results disclosure agreements

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