Trial Outcomes & Findings for Study of Ketorolac Versus Opioid for Pain After Endoscopy (NCT NCT03888144)

NCT ID: NCT03888144

Last Updated: 2025-12-23

Results Overview

Patient Reported Visual Analogue Score scored from 0-10 with lower scores equaling less pain.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

81 participants

Primary outcome timeframe

5 days

Results posted on

2025-12-23

Participant Flow

Participant milestones

Participant milestones
Measure
Oxycodone Group
Patients randomized to 20 pills of 5 mg oxycodone by mouth every 6 hours as needed for pain after ureteroscopy. Oxycodone: 5 mg of oxycodone taken by mouth every 6 hours for 5 days
Ketorolac Group
Patients randomized to 20 pills of 10 mg ketorolac by mouth every 6 hours as needed for pain after ureteroscopy. Ketorolac: 10 mg of ketorolac taken by mouth every 6 hours for 5 days
Overall Study
STARTED
43
38
Overall Study
COMPLETED
43
38
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Study of Ketorolac Versus Opioid for Pain After Endoscopy

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Oxycodone Group
n=43 Participants
Patients randomized to 20 pills of 5 mg oxycodone by mouth every 6 hours as needed for pain after ureteroscopy. Oxycodone: 5 mg of oxycodone taken by mouth every 6 hours for 5 days
Ketorolac Group
n=38 Participants
Patients randomized to 20 pills of 10 mg ketorolac by mouth every 6 hours as needed for pain after ureteroscopy. Ketorolac: 10 mg of ketorolac taken by mouth every 6 hours for 5 days
Total
n=81 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=9 Participants
0 Participants
n=6 Participants
0 Participants
n=9 Participants
Age, Categorical
Between 18 and 65 years
43 Participants
n=9 Participants
38 Participants
n=6 Participants
81 Participants
n=9 Participants
Age, Categorical
>=65 years
0 Participants
n=9 Participants
0 Participants
n=6 Participants
0 Participants
n=9 Participants
Age, Continuous
51.2 years
STANDARD_DEVIATION 14.0 • n=9 Participants
53.8 years
STANDARD_DEVIATION 12.4 • n=6 Participants
52.4 years
STANDARD_DEVIATION 13.3 • n=9 Participants
Sex: Female, Male
Female
24 Participants
n=9 Participants
16 Participants
n=6 Participants
40 Participants
n=9 Participants
Sex: Female, Male
Male
19 Participants
n=9 Participants
22 Participants
n=6 Participants
41 Participants
n=9 Participants
Race/Ethnicity, Customized
Caucasian
38 Participants
n=9 Participants
33 Participants
n=6 Participants
71 Participants
n=9 Participants
Race/Ethnicity, Customized
Non Caucasian
5 Participants
n=9 Participants
5 Participants
n=6 Participants
10 Participants
n=9 Participants

PRIMARY outcome

Timeframe: 5 days

Patient Reported Visual Analogue Score scored from 0-10 with lower scores equaling less pain.

Outcome measures

Outcome measures
Measure
Oxycodone Group
n=43 Participants
Patients randomized to 20 pills of 5 mg oxycodone by mouth every 6 hours as needed for pain after ureteroscopy. Oxycodone: 5 mg of oxycodone taken by mouth every 6 hours for 5 days
Ketorolac Group
n=38 Participants
Patients randomized to 20 pills of 10 mg ketorolac by mouth every 6 hours as needed for pain after ureteroscopy. Ketorolac: 10 mg of ketorolac taken by mouth every 6 hours for 5 days
Visual Analog Pain Score
4.6 units on a scale
Standard Deviation 3.1
4.5 units on a scale
Standard Deviation 2.9

SECONDARY outcome

Timeframe: Post-operative days 1 to 5

Population: 5 patients in the Oxy group and 2 in the Ketorolac group didn't require meds so they were excluded from final calculation

the use of opioid medication as per the study protocol; Required study pills

Outcome measures

Outcome measures
Measure
Oxycodone Group
n=38 Participants
Patients randomized to 20 pills of 5 mg oxycodone by mouth every 6 hours as needed for pain after ureteroscopy. Oxycodone: 5 mg of oxycodone taken by mouth every 6 hours for 5 days
Ketorolac Group
n=36 Participants
Patients randomized to 20 pills of 10 mg ketorolac by mouth every 6 hours as needed for pain after ureteroscopy. Ketorolac: 10 mg of ketorolac taken by mouth every 6 hours for 5 days
Number of Study Pills Used
7.3 number of pills used
Standard Deviation 6.1
7.1 number of pills used
Standard Deviation 5.2

SECONDARY outcome

Timeframe: post operative day 1-5

Population: not all enrolled subjects used rescue medications

the use of rescue opioid medication as per the study protocol; use of rescue medication by the patients

Outcome measures

Outcome measures
Measure
Oxycodone Group
n=21 Participants
Patients randomized to 20 pills of 5 mg oxycodone by mouth every 6 hours as needed for pain after ureteroscopy. Oxycodone: 5 mg of oxycodone taken by mouth every 6 hours for 5 days
Ketorolac Group
n=11 Participants
Patients randomized to 20 pills of 10 mg ketorolac by mouth every 6 hours as needed for pain after ureteroscopy. Ketorolac: 10 mg of ketorolac taken by mouth every 6 hours for 5 days
Use of Rescue Medication (Opioid)
1.1 number of pills used
Standard Deviation 1.3
0.8 number of pills used
Standard Deviation 1.2

OTHER_PRE_SPECIFIED outcome

Timeframe: 5 days

number of days patient spent confined to bed post operatively

Outcome measures

Outcome measures
Measure
Oxycodone Group
n=41 Participants
Patients randomized to 20 pills of 5 mg oxycodone by mouth every 6 hours as needed for pain after ureteroscopy. Oxycodone: 5 mg of oxycodone taken by mouth every 6 hours for 5 days
Ketorolac Group
n=38 Participants
Patients randomized to 20 pills of 10 mg ketorolac by mouth every 6 hours as needed for pain after ureteroscopy. Ketorolac: 10 mg of ketorolac taken by mouth every 6 hours for 5 days
Day in Bed
2.3 days
Standard Deviation 2.6
1 days
Standard Deviation 1.3

OTHER_PRE_SPECIFIED outcome

Timeframe: Up to 5 days

VAS as reported by the patients while in PACU (score from 0-10, with 0 meaning no pain and 10 max pain)

Outcome measures

Outcome measures
Measure
Oxycodone Group
n=41 Participants
Patients randomized to 20 pills of 5 mg oxycodone by mouth every 6 hours as needed for pain after ureteroscopy. Oxycodone: 5 mg of oxycodone taken by mouth every 6 hours for 5 days
Ketorolac Group
n=38 Participants
Patients randomized to 20 pills of 10 mg ketorolac by mouth every 6 hours as needed for pain after ureteroscopy. Ketorolac: 10 mg of ketorolac taken by mouth every 6 hours for 5 days
Visual Analogue Scale (VAS)
4.6 units on a scale
Standard Deviation 3.1
4.5 units on a scale
Standard Deviation 2.9

Adverse Events

Oxycodone Group

Serious events: 0 serious events
Other events: 12 other events
Deaths: 0 deaths

Ketorolac Group

Serious events: 0 serious events
Other events: 11 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Oxycodone Group
n=43 participants at risk
Patients randomized to 20 pills of 5 mg oxycodone by mouth every 6 hours as needed for pain after ureteroscopy. Oxycodone: 5 mg of oxycodone taken by mouth every 6 hours for 5 days
Ketorolac Group
n=38 participants at risk
Patients randomized to 20 pills of 10 mg ketorolac by mouth every 6 hours as needed for pain after ureteroscopy. Ketorolac: 10 mg of ketorolac taken by mouth every 6 hours for 5 days
Gastrointestinal disorders
nausea
27.9%
12/43 • Number of events 12 • the side effects have been reported over the study period of 2 years
28.9%
11/38 • Number of events 11 • the side effects have been reported over the study period of 2 years
Gastrointestinal disorders
vomiting
7.0%
3/43 • Number of events 3 • the side effects have been reported over the study period of 2 years
2.6%
1/38 • Number of events 1 • the side effects have been reported over the study period of 2 years

Additional Information

Dr Sriharan Sivalingam

Cleveland Clinic foundation

Phone: 2162130159

Results disclosure agreements

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