Trial Outcomes & Findings for Guanfacine for PONV and Pain After Sinus Surgery (NCT NCT02882854)

NCT ID: NCT02882854

Last Updated: 2019-01-03

Results Overview

Comparison of PONV Score of assessments done at 15 minutes after arrival in PACU using the nVRS when 0 is no nausea and 10 is worst nausea

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

84 participants

Primary outcome timeframe

15 minutes after arriving in PACU

Results posted on

2019-01-03

Participant Flow

Participant milestones

Participant milestones
Measure
Guanfacine
Guanfacine 1 mg capsule by mouth, one time prior to surgery. Guanfacine: Patients will receive 1 mg of guanfacine to take orally.
Placebo
Placebo with a similar appearance to guanfacine by mouth one time prior to surgery Placebo: Patients will receive a placebo containing no drug that appears similarly to guanfacine to take orally.
Overall Study
STARTED
40
44
Overall Study
COMPLETED
39
41
Overall Study
NOT COMPLETED
1
3

Reasons for withdrawal

Reasons for withdrawal
Measure
Guanfacine
Guanfacine 1 mg capsule by mouth, one time prior to surgery. Guanfacine: Patients will receive 1 mg of guanfacine to take orally.
Placebo
Placebo with a similar appearance to guanfacine by mouth one time prior to surgery Placebo: Patients will receive a placebo containing no drug that appears similarly to guanfacine to take orally.
Overall Study
Lost to Follow-up
1
2
Overall Study
Physician Decision
0
1

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Guanfacine
n=39 Participants
Guanfacine 1 mg capsule by mouth, one time prior to surgery. Guanfacine: Patients will receive 1 mg of guanfacine to take orally.
Placebo
n=41 Participants
Placebo with a similar appearance to guanfacine by mouth one time prior to surgery Placebo: Patients will receive a placebo containing no drug that appears similarly to guanfacine to take orally.
Total
n=80 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=80 Participants
Age, Categorical
Between 18 and 65 years
34 Participants
n=39 Participants
34 Participants
n=41 Participants
68 Participants
n=80 Participants
Age, Categorical
>=65 years
5 Participants
n=39 Participants
7 Participants
n=41 Participants
12 Participants
n=80 Participants
Age, Continuous
42 years
STANDARD_DEVIATION 16.9 • n=39 Participants
48.7 years
STANDARD_DEVIATION 15.4 • n=41 Participants
45.3 years
STANDARD_DEVIATION 16.5 • n=80 Participants
Sex: Female, Male
Female
21 Participants
n=39 Participants
19 Participants
n=41 Participants
40 Participants
n=80 Participants
Sex: Female, Male
Male
18 Participants
n=39 Participants
22 Participants
n=41 Participants
40 Participants
n=80 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Region of Enrollment
United States
39 participants
n=39 Participants
41 participants
n=41 Participants
80 participants
n=80 Participants

PRIMARY outcome

Timeframe: 15 minutes after arriving in PACU

Population: 15 minute nVRS datapoint was not available for 2 participants in the Placebo group

Comparison of PONV Score of assessments done at 15 minutes after arrival in PACU using the nVRS when 0 is no nausea and 10 is worst nausea

Outcome measures

Outcome measures
Measure
Guanfacine
n=39 Participants
Guanfacine 1 mg capsule by mouth, one time prior to surgery. Guanfacine: Patients will receive 1 mg of guanfacine to take orally.
Placebo
n=39 Participants
Placebo with a similar appearance to guanfacine by mouth one time prior to surgery Placebo: Patients will receive a placebo containing no drug that appears similarly to guanfacine to take orally.
Comparison of PONV Score of Assessments Done at 15 Minutes After Arrival in PACU Using 11-point Nausea Scale (nVRS)
None (nVRS 0)
35 Participants
33 Participants
Comparison of PONV Score of Assessments Done at 15 Minutes After Arrival in PACU Using 11-point Nausea Scale (nVRS)
Mild (nVRS 1-5)
1 Participants
2 Participants
Comparison of PONV Score of Assessments Done at 15 Minutes After Arrival in PACU Using 11-point Nausea Scale (nVRS)
Moderate/Severe (nVRS 6-10)
3 Participants
4 Participants

PRIMARY outcome

Timeframe: 30 minutes after arriving in PACU

Comparison of PONV Score of assessments done at 30 minutes after arrival in PACU using the nVRS when 0 is no nausea and 10 is worst nausea

Outcome measures

Outcome measures
Measure
Guanfacine
n=39 Participants
Guanfacine 1 mg capsule by mouth, one time prior to surgery. Guanfacine: Patients will receive 1 mg of guanfacine to take orally.
Placebo
n=41 Participants
Placebo with a similar appearance to guanfacine by mouth one time prior to surgery Placebo: Patients will receive a placebo containing no drug that appears similarly to guanfacine to take orally.
Comparison of PONV Score of Assessments Done at 30 Minutes After Arrival in PACU Using 11-point Nausea Scale (nVRS)
Mild (nVRS 1-5)
4 Participants
5 Participants
Comparison of PONV Score of Assessments Done at 30 Minutes After Arrival in PACU Using 11-point Nausea Scale (nVRS)
None (nVRS 0)
34 Participants
34 Participants
Comparison of PONV Score of Assessments Done at 30 Minutes After Arrival in PACU Using 11-point Nausea Scale (nVRS)
Moderate/Severe (nVRS 6-10)
1 Participants
2 Participants

PRIMARY outcome

Timeframe: 60 minutes after arriving in PACU

Population: nVRS data was not available for 1 participant in the Guanfacine group

Comparison of PONV Score of assessments done at 60 minutes after arrival in PACU using the nVRS when 0 is no nausea and 10 is worst nausea

Outcome measures

Outcome measures
Measure
Guanfacine
n=38 Participants
Guanfacine 1 mg capsule by mouth, one time prior to surgery. Guanfacine: Patients will receive 1 mg of guanfacine to take orally.
Placebo
n=41 Participants
Placebo with a similar appearance to guanfacine by mouth one time prior to surgery Placebo: Patients will receive a placebo containing no drug that appears similarly to guanfacine to take orally.
Comparison of PONV Score of Assessments Done at 60 Minutes After Arrival in PACU Using 11-point Nausea Scale (nVRS)
None (nVRS 0)
33 Participants
35 Participants
Comparison of PONV Score of Assessments Done at 60 Minutes After Arrival in PACU Using 11-point Nausea Scale (nVRS)
Mild (nVRS 1-5)
2 Participants
5 Participants
Comparison of PONV Score of Assessments Done at 60 Minutes After Arrival in PACU Using 11-point Nausea Scale (nVRS)
Moderate/Severe (nVRS 6-10)
3 Participants
1 Participants

PRIMARY outcome

Timeframe: 24 hours post op

Population: Only 70 patients (32 in guanfacine arm; 38 in placebo arm) responded to follow-up phone call and provided PONV data at the 24 hour timepoint.

PONV assessed using nVRS at 24 hours postop when 0 is no nausea and 10 is worst nausea.

Outcome measures

Outcome measures
Measure
Guanfacine
n=32 Participants
Guanfacine 1 mg capsule by mouth, one time prior to surgery. Guanfacine: Patients will receive 1 mg of guanfacine to take orally.
Placebo
n=38 Participants
Placebo with a similar appearance to guanfacine by mouth one time prior to surgery Placebo: Patients will receive a placebo containing no drug that appears similarly to guanfacine to take orally.
Postoperative Nausea Assessment Using 11-point Nausea Scale (nVRS)
0.00 score on a scale
Interval 0.0 to 0.25
0.00 score on a scale
Interval 0.0 to 0.0

SECONDARY outcome

Timeframe: 15, 30, 60 minutes after arriving in PACU

Population: Data unavailable for 2 participants in the placebo group at 15 minute time point, 1 participant in the placebo group at the 30 minute time point,

Maximum postoperative pain assessment assessed in PACU at 15, 30 and 60 minutes after PACU arrival using VAS when 0 is no pain and 10 is worst pain

Outcome measures

Outcome measures
Measure
Guanfacine
n=39 Participants
Guanfacine 1 mg capsule by mouth, one time prior to surgery. Guanfacine: Patients will receive 1 mg of guanfacine to take orally.
Placebo
n=41 Participants
Placebo with a similar appearance to guanfacine by mouth one time prior to surgery Placebo: Patients will receive a placebo containing no drug that appears similarly to guanfacine to take orally.
Maximum Postoperative Pain Assessment Using 11-point Visual/Verbal Analog (VAS)
15 minutes after PACU admission · Moderate/Severe (Pain nVRS 6-10)
8 Participants
10 Participants
Maximum Postoperative Pain Assessment Using 11-point Visual/Verbal Analog (VAS)
30 minutes after PACU admission · None (Pain nVRS 0)
18 Participants
20 Participants
Maximum Postoperative Pain Assessment Using 11-point Visual/Verbal Analog (VAS)
30 minutes after PACU admission · Mild (Pain nVRS 1-5)
7 Participants
6 Participants
Maximum Postoperative Pain Assessment Using 11-point Visual/Verbal Analog (VAS)
60 minutes after PACU admission · None (Pain nVRS 0)
12 Participants
16 Participants
Maximum Postoperative Pain Assessment Using 11-point Visual/Verbal Analog (VAS)
15 minutes after PACU admission · None (Pain nVRS 0)
31 Participants
24 Participants
Maximum Postoperative Pain Assessment Using 11-point Visual/Verbal Analog (VAS)
15 minutes after PACU admission · Mild (Pain nVRS 1-5)
0 Participants
5 Participants
Maximum Postoperative Pain Assessment Using 11-point Visual/Verbal Analog (VAS)
30 minutes after PACU admission · Moderate/Severe (Pain nVRS 6-10)
14 Participants
14 Participants
Maximum Postoperative Pain Assessment Using 11-point Visual/Verbal Analog (VAS)
60 minutes after PACU admission · Mild (Pain nVRS 1-5)
6 Participants
13 Participants
Maximum Postoperative Pain Assessment Using 11-point Visual/Verbal Analog (VAS)
60 minutes after PACU admission · Moderate/Severe (Pain nVRS 6-10)
21 Participants
12 Participants

SECONDARY outcome

Timeframe: 24 hours postop

Population: Based on only 71 participants to post operative questionnaire.

Postoperative pain assessment using VAS at 24 hours postop when 0 is no pain and 10 is worst pain

Outcome measures

Outcome measures
Measure
Guanfacine
n=33 Participants
Guanfacine 1 mg capsule by mouth, one time prior to surgery. Guanfacine: Patients will receive 1 mg of guanfacine to take orally.
Placebo
n=38 Participants
Placebo with a similar appearance to guanfacine by mouth one time prior to surgery Placebo: Patients will receive a placebo containing no drug that appears similarly to guanfacine to take orally.
Postoperative Pain Assessment Using 11-point Visual/Verbal Analog (VAS)
3 score on a scale
Interval 3.0 to 5.0
2 score on a scale
Interval 1.0 to 4.0

SECONDARY outcome

Timeframe: Time frame between arrival and discharge in PACU, approximately 90 minutes

Population: Data was not available for 1 participant in the placebo group.

Total narcotic requirement in PACU tallied in morphine equivalents during PACU stay

Outcome measures

Outcome measures
Measure
Guanfacine
n=39 Participants
Guanfacine 1 mg capsule by mouth, one time prior to surgery. Guanfacine: Patients will receive 1 mg of guanfacine to take orally.
Placebo
n=40 Participants
Placebo with a similar appearance to guanfacine by mouth one time prior to surgery Placebo: Patients will receive a placebo containing no drug that appears similarly to guanfacine to take orally.
Total Narcotic Requirement in PACU
8.75 morphine equivalents
Interval 4.38 to 18.88
7.50 morphine equivalents
Interval 0.0 to 16.25

SECONDARY outcome

Timeframe: Time frame between arrival and discharge in PACU, approximately 90 minutes

Population: Data missing for1 participants in the placebo group and 1 participant in the Guanfacine group.

Outcome measures

Outcome measures
Measure
Guanfacine
n=38 Participants
Guanfacine 1 mg capsule by mouth, one time prior to surgery. Guanfacine: Patients will receive 1 mg of guanfacine to take orally.
Placebo
n=40 Participants
Placebo with a similar appearance to guanfacine by mouth one time prior to surgery Placebo: Patients will receive a placebo containing no drug that appears similarly to guanfacine to take orally.
Number of Doses of PONV Treatment Administered in PACU
Two doses
4 Participants
3 Participants
Number of Doses of PONV Treatment Administered in PACU
Zero doses
26 Participants
32 Participants
Number of Doses of PONV Treatment Administered in PACU
One dose
8 Participants
5 Participants

SECONDARY outcome

Timeframe: Time frame between arrival and discharge in PACU, approximately 90 minutes

Outcome measures

Outcome measures
Measure
Guanfacine
n=39 Participants
Guanfacine 1 mg capsule by mouth, one time prior to surgery. Guanfacine: Patients will receive 1 mg of guanfacine to take orally.
Placebo
n=41 Participants
Placebo with a similar appearance to guanfacine by mouth one time prior to surgery Placebo: Patients will receive a placebo containing no drug that appears similarly to guanfacine to take orally.
PACU Length of Stay in Minutes
128 minutes
Interval 95.0 to 169.5
110 minutes
Interval 87.0 to 155.0

Adverse Events

Guanfacine

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

Stephen Harvey, MD

Vanderbilt University Medical Center

Phone: (615) 936-3198

Results disclosure agreements

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