Trial Outcomes & Findings for Variability in Response to Non-steroidal Anti-inflammatory Drugs (NCT NCT02502006)

NCT ID: NCT02502006

Last Updated: 2023-12-13

Results Overview

COX-1 activity was measured ex vivo using a whole blood assay. Thromboxane A2 serum concentrations were quantified before, and 0.5, 1, 2, 4, 8, and 12 h after treatment and expressed as AUC over the 12 hour dosing interval.

Recruitment status

TERMINATED

Study phase

PHASE1

Target enrollment

16 participants

Primary outcome timeframe

12 hours

Results posted on

2023-12-13

Participant Flow

Participant milestones

Participant milestones
Measure
All Study Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Celecoxib
STARTED
16
Celecoxib
COMPLETED
16
Celecoxib
NOT COMPLETED
0
Naproxen
STARTED
16
Naproxen
COMPLETED
16
Naproxen
NOT COMPLETED
0
Placebo
STARTED
16
Placebo
COMPLETED
16
Placebo
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Variability in Response to Non-steroidal Anti-inflammatory Drugs

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Total Enrollment
n=16 Participants
During each treatment phase, subjects will receive celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects will be instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Age, Continuous
34.7 years
STANDARD_DEVIATION 13.4 • n=5 Participants
Sex: Female, Male
Female
7 Participants
n=5 Participants
Sex: Female, Male
Male
9 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
3 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
13 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
4 Participants
n=5 Participants
Race (NIH/OMB)
White
9 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
2 Participants
n=5 Participants
Region of Enrollment
United States
16 participants
n=5 Participants
Body mass index
22.6 kg/m^2
STANDARD_DEVIATION 1.9 • n=5 Participants
Systolic blood pressure
115.3 mm Hg
STANDARD_DEVIATION 8.9 • n=5 Participants
Diastolic blood pressure
69.8 mm Hg
STANDARD_DEVIATION 9.5 • n=5 Participants

PRIMARY outcome

Timeframe: 12 hours

COX-1 activity was measured ex vivo using a whole blood assay. Thromboxane A2 serum concentrations were quantified before, and 0.5, 1, 2, 4, 8, and 12 h after treatment and expressed as AUC over the 12 hour dosing interval.

Outcome measures

Outcome measures
Measure
Celecoxib
n=16 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Naproxen
n=16 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Placebo
n=16 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
COX-1 Activity ex Vivo
2869 ng*h/ml
Standard Deviation 1357
115.7 ng*h/ml
Standard Deviation 66.8
3135 ng*h/ml
Standard Deviation 1489

PRIMARY outcome

Timeframe: 12 hours

COX-2 activity was assessed ex vivo using a whole blood assay. Prostaglandin E2 concentrations in LPS-treated plasma were quantified before, and 0.5, 1, 2, 4, 8, and 12 h after treatment and expressed as AUC over the 12 hour dosing interval.

Outcome measures

Outcome measures
Measure
Celecoxib
n=16 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Naproxen
n=16 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Placebo
n=16 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
COX-2 Activity ex Vivo
87.86 ng*h/ml
Standard Deviation 49.92
54.71 ng*h/ml
Standard Deviation 51.37
154.1 ng*h/ml
Standard Deviation 83.31

PRIMARY outcome

Timeframe: 12 hours

COX-1 activity was measured in vivo by quantifying the urinary metabolite of thromboxane A2 before, and 1, 2, 4, 8, and 12 h after treatment, normalized to urinary creatinine and expressed as AUC over the 12 hour dosing interval.

Outcome measures

Outcome measures
Measure
Celecoxib
n=16 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Naproxen
n=16 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Placebo
n=16 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
COX-1 Activity in Vivo
8.018 ng*h/mg creatinine
Standard Deviation 2.488
2.907 ng*h/mg creatinine
Standard Deviation 2.143
9.509 ng*h/mg creatinine
Standard Deviation 3.156

PRIMARY outcome

Timeframe: 12 hours

COX-2 activity was measured in vivo by quantifying the urinary metabolite of prostaglandin I2 before, and 1, 2, 4, 8, and 12 h after treatment, normalized to urinary creatinine and expressed as AUC over the 12 hour dosing interval.

Outcome measures

Outcome measures
Measure
Celecoxib
n=16 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Naproxen
n=16 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Placebo
n=16 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
COX-2 Activity in Vivo
1.610 ng*h/mg creatinine
Standard Deviation 0.3834
1.253 ng*h/mg creatinine
Standard Deviation 0.8699
2.413 ng*h/mg creatinine
Standard Deviation 0.8506

SECONDARY outcome

Timeframe: 12 hours

Population: One participant was excluded from blood pressure analysis due to equipment malfunction and incomplete data

Blood pressure was measured over 12 hours using an automatic ambulatory blood pressure monitor.

Outcome measures

Outcome measures
Measure
Celecoxib
n=15 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Naproxen
n=15 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Placebo
n=15 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Systolic Blood Pressure
123.0 mm Hg
Standard Deviation 10.0
127.1 mm Hg
Standard Deviation 10.7
124.1 mm Hg
Standard Deviation 11.2

SECONDARY outcome

Timeframe: 12 hours

Population: One participant was excluded from blood pressure analysis due to equipment malfunction and incomplete data

Blood pressure was measured over 12 hours using an automatic ambulatory blood pressure monitor.

Outcome measures

Outcome measures
Measure
Celecoxib
n=15 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Naproxen
n=15 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Placebo
n=15 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Diastolic Blood Pressure
74.8 mm Hg
Standard Deviation 8.5
76.6 mm Hg
Standard Deviation 9.3
89.7 mm Hg
Standard Deviation 8.7

SECONDARY outcome

Timeframe: 12 hours

Population: One participant was excluding from blood pressure analysis due to equipment malfunction and incomplete data

Blood pressure was measured over 12 hours using an automatic ambulatory blood pressure monitor.

Outcome measures

Outcome measures
Measure
Celecoxib
n=15 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Naproxen
n=15 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Placebo
n=15 Participants
During each treatment phase, subjects received celecoxib (100 mg by mouth twice daily), naproxen (250 mg by mouth twice daily), or placebo (twice daily) for 7 days. Subjects were instructed to take the study medications twice a day (at approximately 8 AM and 8 PM) on an empty stomach with a full glass of water.
Mean Arterial Pressure
90.4 mm Hg
Standard Deviation 8.4
92.9 mm Hg
Standard Deviation 8.9
89.7 mm Hg
Standard Deviation 8.7

Adverse Events

Celecoxib

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

Naproxen

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

Placebo

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

Katherine N. Theken, PharmD, PhD

University of Pennsylvania

Phone: 2158987470

Results disclosure agreements

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