Trial Outcomes & Findings for Effectiveness and Feasibility of Patient Controlled Analgesia in the ED (NCT NCT01775371)

NCT ID: NCT01775371

Last Updated: 2020-12-04

Results Overview

Rate of Change in Numerical Rating Scale (NRS) of Pain per hour where 0 indicates "no pain", 10 indicates "worst possible pain" between 30 minutes and 120 minutes post-baseline i.e. NRS at 30 minutes minus NRS at 120 minutes post-baseline.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

636 participants

Primary outcome timeframe

1.5 hours

Results posted on

2020-12-04

Participant Flow

Recruitment occurred from April 30, 2013 through February 25, 2016 in the Emergency Departments of three medical centers.

Participant milestones

Participant milestones
Measure
Patient Controlled Analgesia
PCA (loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes) Patient controlled analgesia (PCA): Loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes
Usual Care
Usual opioid analgesia determined by the provider Usual Care: Usual opioid analgesia determined by the provider
Overall Study
STARTED
306
330
Overall Study
COMPLETED
306
330
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Effectiveness and Feasibility of Patient Controlled Analgesia in the ED

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Patient Controlled Analgesia
n=306 Participants
PCA (loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes) Patient controlled analgesia (PCA): Loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes
Usual Care
n=330 Participants
Usual opioid analgesia determined by the provider Usual Care: Usual opioid analgesia determined by the provider
Total
n=636 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
306 Participants
n=5 Participants
330 Participants
n=7 Participants
636 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Sex: Female, Male
Female
180 Participants
n=5 Participants
202 Participants
n=7 Participants
382 Participants
n=5 Participants
Sex: Female, Male
Male
126 Participants
n=5 Participants
128 Participants
n=7 Participants
254 Participants
n=5 Participants
Race/Ethnicity, Customized
Hispanic
179 Participants
n=5 Participants
205 Participants
n=7 Participants
384 Participants
n=5 Participants
Race/Ethnicity, Customized
African-American
69 Participants
n=5 Participants
80 Participants
n=7 Participants
149 Participants
n=5 Participants
Race/Ethnicity, Customized
White
22 Participants
n=5 Participants
25 Participants
n=7 Participants
47 Participants
n=5 Participants
Race/Ethnicity, Customized
Other
36 Participants
n=5 Participants
20 Participants
n=7 Participants
56 Participants
n=5 Participants
Region of Enrollment
United States
306 participants
n=5 Participants
330 participants
n=7 Participants
636 participants
n=5 Participants
Location of pain
Abdomen
239 Participants
n=5 Participants
254 Participants
n=7 Participants
493 Participants
n=5 Participants
Location of pain
Other
67 Participants
n=5 Participants
76 Participants
n=7 Participants
143 Participants
n=5 Participants
Initial Numerical Rating Scale (NRS) of pain intensity score
NRS Score 3-6
6 Participants
n=5 Participants
19 Participants
n=7 Participants
25 Participants
n=5 Participants
Initial Numerical Rating Scale (NRS) of pain intensity score
NRS Score 7
29 Participants
n=5 Participants
27 Participants
n=7 Participants
56 Participants
n=5 Participants
Initial Numerical Rating Scale (NRS) of pain intensity score
NRS Score 8
47 Participants
n=5 Participants
59 Participants
n=7 Participants
106 Participants
n=5 Participants
Initial Numerical Rating Scale (NRS) of pain intensity score
NRS Score 9
57 Participants
n=5 Participants
56 Participants
n=7 Participants
113 Participants
n=5 Participants
Initial Numerical Rating Scale (NRS) of pain intensity score
NRS Score 10
167 Participants
n=5 Participants
169 Participants
n=7 Participants
336 Participants
n=5 Participants
Received non-opioid analgesics before arrival to Emergency Department
Yes
86 Participants
n=5 Participants
105 Participants
n=7 Participants
191 Participants
n=5 Participants
Received non-opioid analgesics before arrival to Emergency Department
No
220 Participants
n=5 Participants
225 Participants
n=7 Participants
445 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 1.5 hours

Population: All patients enrolled

Rate of Change in Numerical Rating Scale (NRS) of Pain per hour where 0 indicates "no pain", 10 indicates "worst possible pain" between 30 minutes and 120 minutes post-baseline i.e. NRS at 30 minutes minus NRS at 120 minutes post-baseline.

Outcome measures

Outcome measures
Measure
Patient Controlled Analgesia
n=306 Participants
PCA (loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes) Patient controlled analgesia (PCA): Loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes
Usual Care
n=330 Participants
Usual opioid analgesia determined by the provider Usual Care: Usual opioid analgesia determined by the provider
Rate of Change in Pain Intensity Per Hour
1.3 Score on a scale per hour
Interval 1.0 to 1.6
0.3 Score on a scale per hour
Interval 0.0 to 0.6

SECONDARY outcome

Timeframe: 2 hours

Population: All patients

Number of participants with one or more adverse events defined by: oxygen saturation measured by pulse oximetry \< 92% for one minute or more, respiratory rate \<10 breaths/min counted for 60 seconds, or systolic blood pressure \< 90 mm Hg.

Outcome measures

Outcome measures
Measure
Patient Controlled Analgesia
n=306 Participants
PCA (loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes) Patient controlled analgesia (PCA): Loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes
Usual Care
n=330 Participants
Usual opioid analgesia determined by the provider Usual Care: Usual opioid analgesia determined by the provider
Number of Participants With One or More Adverse Events
One or more adverse events
7 Participants
1 Participants
Number of Participants With One or More Adverse Events
No adverse events
299 Participants
329 Participants

SECONDARY outcome

Timeframe: 2 hours

Population: Patients with data at 120 minutes

Self report of satisfaction with treatment at120 minutes after baseline

Outcome measures

Outcome measures
Measure
Patient Controlled Analgesia
n=281 Participants
PCA (loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes) Patient controlled analgesia (PCA): Loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes
Usual Care
n=323 Participants
Usual opioid analgesia determined by the provider Usual Care: Usual opioid analgesia determined by the provider
Patient Satisfaction With Pain Management
Satisfied
247 Participants
254 Participants
Patient Satisfaction With Pain Management
Dissatisfied or neutral
34 Participants
69 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: 2 hours

Population: All Registered Nurses

Single question about preference for PCA versus preference for conventional administration of IV opioids.

Outcome measures

Outcome measures
Measure
Patient Controlled Analgesia
n=198 Participants
PCA (loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes) Patient controlled analgesia (PCA): Loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes
Usual Care
Usual opioid analgesia determined by the provider Usual Care: Usual opioid analgesia determined by the provider
Nurse Preference for PCA or Conventional Administration of IV Opioids
Prefer Usual Care
102 Participants
Nurse Preference for PCA or Conventional Administration of IV Opioids
No preference
56 Participants
Nurse Preference for PCA or Conventional Administration of IV Opioids
Prefer PCA
40 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: 2 hours

Population: All Physicians who entered one or more patients in each arm of the study

Single question about physician preference for PCA or conventional administration of IV opioids

Outcome measures

Outcome measures
Measure
Patient Controlled Analgesia
n=143 Participants
PCA (loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes) Patient controlled analgesia (PCA): Loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes
Usual Care
Usual opioid analgesia determined by the provider Usual Care: Usual opioid analgesia determined by the provider
Physician Preference for PCA or Usual Care
Prefer Usual Care
25 Participants
Physician Preference for PCA or Usual Care
No Preference
49 Participants
Physician Preference for PCA or Usual Care
Prefer PCA
69 Participants

Adverse Events

Patient Controlled Analgesia

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

Usual Care

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Patient Controlled Analgesia
n=306 participants at risk
PCA (loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes) Patient controlled analgesia (PCA): Loading dose 0.1 mg/kg morphine and demand dose of 1 mg morphine available every 6 minutes
Usual Care
n=330 participants at risk
Usual opioid analgesia determined by the provider Usual Care: Usual opioid analgesia determined by the provider
Cardiac disorders
Hypotension
1.3%
4/306 • 2 hours
Need for oxygen supplementation or ventilatory assistance Hypotension requiring fluid administration or vasopressors Administration of naloxone (an opioid reversal agent) Oxygen saturation measured by pulse oximetry \< 92% for one minute or more Respiratory rate \<10 breaths/min counted for 60 seconds Systolic blood pressure \< 90 mm Hg.
0.00%
0/330 • 2 hours
Need for oxygen supplementation or ventilatory assistance Hypotension requiring fluid administration or vasopressors Administration of naloxone (an opioid reversal agent) Oxygen saturation measured by pulse oximetry \< 92% for one minute or more Respiratory rate \<10 breaths/min counted for 60 seconds Systolic blood pressure \< 90 mm Hg.
Respiratory, thoracic and mediastinal disorders
Oxygen desaturation
0.98%
3/306 • 2 hours
Need for oxygen supplementation or ventilatory assistance Hypotension requiring fluid administration or vasopressors Administration of naloxone (an opioid reversal agent) Oxygen saturation measured by pulse oximetry \< 92% for one minute or more Respiratory rate \<10 breaths/min counted for 60 seconds Systolic blood pressure \< 90 mm Hg.
0.30%
1/330 • 2 hours
Need for oxygen supplementation or ventilatory assistance Hypotension requiring fluid administration or vasopressors Administration of naloxone (an opioid reversal agent) Oxygen saturation measured by pulse oximetry \< 92% for one minute or more Respiratory rate \<10 breaths/min counted for 60 seconds Systolic blood pressure \< 90 mm Hg.

Additional Information

Dr. Polly Bijur

Albert Einstein College of Medicine

Phone: 718-430-4217

Results disclosure agreements

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