Trial Outcomes & Findings for Severity Postoperative Pain Prediction (NCT NCT00638404)

NCT ID: NCT00638404

Last Updated: 2018-08-06

Results Overview

Outcome measure 0-100 Visual analog scale at 24 hours postoperatively, VAS of 0= no pain up to 100 =most severe pain

Recruitment status

TERMINATED

Target enrollment

300 participants

Primary outcome timeframe

evoked pain at 24 hours

Results posted on

2018-08-06

Participant Flow

200 Elective cesarean sections and 100 gynecological patients were enrolled prior to their surgery with presurgical testing completed. All subjects were then also seen postoperatively for followup

no randomization, only observational study

Participant milestones

Participant milestones
Measure
1-elective Cesarean Section
Elective Cesarean Sections-preoperative questionnaire as well as audio testing completed prior to surgery with followup done 24 hours postoperatively
3-inpatient Gynecologic Procedures
Any in-patient gynecologic procedure-preoperative questionnaire as well as audio testing completed prior to surgery with followup done 24 hours postoperatively
Overall Study
STARTED
200
100
Overall Study
COMPLETED
192
100
Overall Study
NOT COMPLETED
8
0

Reasons for withdrawal

Reasons for withdrawal
Measure
1-elective Cesarean Section
Elective Cesarean Sections-preoperative questionnaire as well as audio testing completed prior to surgery with followup done 24 hours postoperatively
3-inpatient Gynecologic Procedures
Any in-patient gynecologic procedure-preoperative questionnaire as well as audio testing completed prior to surgery with followup done 24 hours postoperatively
Overall Study
Physician Decision
8
0

Baseline Characteristics

Severity Postoperative Pain Prediction

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
1-elective Cesarean Sections
n=192 Participants
Elective Cesarean Sections-this portion completed
3-inpatient Gynecologic Procedures
n=100 Participants
Any in-patient gynecologic procedure- this portion completed
Total
n=292 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
192 Participants
n=5 Participants
100 Participants
n=7 Participants
292 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Continuous
30 years
STANDARD_DEVIATION 4.8 • n=5 Participants
44.5 years
STANDARD_DEVIATION 9.0 • n=7 Participants
34.95 years
STANDARD_DEVIATION 9.5 • n=5 Participants
Sex: Female, Male
Female
192 Participants
n=5 Participants
100 Participants
n=7 Participants
292 Participants
n=5 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race/Ethnicity, Customized
African American
44 Participants
n=5 Participants
18 Participants
n=7 Participants
62 Participants
n=5 Participants
Race/Ethnicity, Customized
Hispanic
8 Participants
n=5 Participants
2 Participants
n=7 Participants
10 Participants
n=5 Participants
Race/Ethnicity, Customized
White
140 Participants
n=5 Participants
80 Participants
n=7 Participants
220 Participants
n=5 Participants
Region of Enrollment
United States
192 Participants
n=5 Participants
100 Participants
n=7 Participants
292 Participants
n=5 Participants

PRIMARY outcome

Timeframe: evoked pain at 24 hours

Population: evoked pain outcome-measured on a scale of 0=no pain up to 100=most severe pain imaginable.

Outcome measure 0-100 Visual analog scale at 24 hours postoperatively, VAS of 0= no pain up to 100 =most severe pain

Outcome measures

Outcome measures
Measure
1-elective Cesarean Section
n=192 Participants
Elective Cesarean Sections-evoked pain score at 24 hours postoperative 0-100mmVAS
3-inpatient Gynecologic Procedures
n=100 Participants
Any in-patient gynecologic procedure-
Evoked Pain at 24 Hours VAS
44 units on a scale
Standard Deviation 26
49.3 units on a scale
Standard Deviation 30.7

SECONDARY outcome

Timeframe: 24 hours

measured on a scale of 0-5, with 0=no anticipated pain medication needed up to 5 =most anticipated pain medication required

Outcome measures

Outcome measures
Measure
1-elective Cesarean Section
n=192 Participants
Elective Cesarean Sections-evoked pain score at 24 hours postoperative 0-100mmVAS
3-inpatient Gynecologic Procedures
n=100 Participants
Any in-patient gynecologic procedure-
Anticipated Pain Medication Requirement
3 units on a scale
Interval 0.0 to 5.0
3 units on a scale
Interval 0.0 to 5.0

SECONDARY outcome

Timeframe: anticipated postoperative pain

anticipated postoperative pain on a scale of 0-100mm with 0=no anticipated pain at all up to 100= worst anticipated pain imaginable

Outcome measures

Outcome measures
Measure
1-elective Cesarean Section
n=192 Participants
Elective Cesarean Sections-evoked pain score at 24 hours postoperative 0-100mmVAS
3-inpatient Gynecologic Procedures
n=100 Participants
Any in-patient gynecologic procedure-
Anticipated Postoperative Pain at Preoperative Evaluation
57 units on a scale
Standard Deviation 26
60.8 units on a scale
Standard Deviation 27.2

SECONDARY outcome

Timeframe: anticipated anxiety prior to surgery

measure of anticipated anxiety for on a scale of 0-100, with 0= not anxious at all up to 100 = most anxious

Outcome measures

Outcome measures
Measure
1-elective Cesarean Section
n=192 Participants
Elective Cesarean Sections-evoked pain score at 24 hours postoperative 0-100mmVAS
3-inpatient Gynecologic Procedures
n=100 Participants
Any in-patient gynecologic procedure-
Anxiety
52 units on a scale
Standard Deviation 32
57.5 units on a scale
Standard Deviation 34.8

Adverse Events

1-elective Cesarean Sections

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

3-inpatient Gynecologic Procedures

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

Peter H. Pan MD, MSEE

Wake Forest School of Medicine-Anesthesiology

Phone: 336-718-8278

Results disclosure agreements

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