Trial Outcomes & Findings for Effects of Ondansetron Dose and Timing on Post-operative Nausea and Vomiting (NCT NCT03297021)

NCT ID: NCT03297021

Last Updated: 2020-07-20

Results Overview

Nausea Scale - full scale from 1-10, with higher score indicating more symptom of nausea

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

141 participants

Primary outcome timeframe

average of 4 hours in PACU and POD1

Results posted on

2020-07-20

Participant Flow

165 patients assessed for eligibility 141 patients were randomized

Participant milestones

Participant milestones
Measure
Ondansetron 4mg Pre-emergence
Ondansetron 4 MG Pre-emergence
Ondansetron 8mg Pre-emergence
Ondansetron 8mg Pre-emergence
Ondansetron Pre-Incision and Pre-emergence
4mg Ondansetron Pre-Incision and 4mg Ondansetron Pre-emergence
Overall Study
STARTED
48
46
47
Overall Study
COMPLETED
43
42
43
Overall Study
NOT COMPLETED
5
4
4

Reasons for withdrawal

Reasons for withdrawal
Measure
Ondansetron 4mg Pre-emergence
Ondansetron 4 MG Pre-emergence
Ondansetron 8mg Pre-emergence
Ondansetron 8mg Pre-emergence
Ondansetron Pre-Incision and Pre-emergence
4mg Ondansetron Pre-Incision and 4mg Ondansetron Pre-emergence
Overall Study
Incomplete/illegible data sheet
4
2
3
Overall Study
Missing Post-Op Data
1
2
1

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Ondansetron 4mg Pre-emergence
n=43 Participants
Ondansetron 4 MG Pre-emergence
Ondansetron 8mg Pre-emergence
n=42 Participants
Ondansetron 8mg Pre-emergence
Ondansetron Pre-Incision and Pre-emergence
n=43 Participants
4mg Ondansetron Pre-Incision and 4mg Ondansetron Pre-emergence
Total
n=128 Participants
Total of all reporting groups
Age, Continuous
40 years
n=43 Participants
39 years
n=42 Participants
48 years
n=43 Participants
40 years
n=128 Participants
Sex: Female, Male
Female
41 Participants
n=43 Participants
36 Participants
n=42 Participants
37 Participants
n=43 Participants
114 Participants
n=128 Participants
Sex: Female, Male
Male
2 Participants
n=43 Participants
6 Participants
n=42 Participants
6 Participants
n=43 Participants
14 Participants
n=128 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
ASA Class
1 units on a scale
n=43 Participants
1 units on a scale
n=42 Participants
1 units on a scale
n=43 Participants
1 units on a scale
n=128 Participants
BMI
24.0 kg/m^2
n=43 Participants
25.0 kg/m^2
n=42 Participants
24.0 kg/m^2
n=43 Participants
24 kg/m^2
n=128 Participants
History of PONV
12 Participants
n=43 Participants
8 Participants
n=42 Participants
13 Participants
n=43 Participants
33 Participants
n=128 Participants
History of Vertigo
1 Participants
n=43 Participants
1 Participants
n=42 Participants
2 Participants
n=43 Participants
4 Participants
n=128 Participants
History of Motion Sickness
13 Participants
n=43 Participants
10 Participants
n=42 Participants
17 Participants
n=43 Participants
40 Participants
n=128 Participants
Current Smoker
3 Participants
n=43 Participants
0 Participants
n=42 Participants
6 Participants
n=43 Participants
9 Participants
n=128 Participants

PRIMARY outcome

Timeframe: average of 4 hours in PACU and POD1

Population: only those participants with nausea completed the nausea scale

Nausea Scale - full scale from 1-10, with higher score indicating more symptom of nausea

Outcome measures

Outcome measures
Measure
Ondansetron 4mg Pre-emergence
n=10 Participants
Ondansetron 4 MG Pre-emergence
Ondansetron 8mg Pre-emergence
n=7 Participants
Ondansetron 8mg Pre-emergence
Ondansetron Pre-Incision and Pre-emergence
n=8 Participants
4mg Ondansetron Pre-Incision and 4mg Ondansetron Pre-emergence
Nausea Scale
POD1
2.0 score on a scale
Interval 1.0 to 3.0
1.0 score on a scale
Interval 1.0 to 5.5
8.0 score on a scale
Interval 8.0 to 8.0
Nausea Scale
PACU
3.5 score on a scale
Interval 1.75 to 4.0
4.0 score on a scale
Interval 3.0 to 6.0
4.0 score on a scale
Interval 1.5 to 6.0

SECONDARY outcome

Timeframe: average of 4 hours

Number of participants with episodes of vomiting in the Post Anesthesia Care Unit

Outcome measures

Outcome measures
Measure
Ondansetron 4mg Pre-emergence
n=43 Participants
Ondansetron 4 MG Pre-emergence
Ondansetron 8mg Pre-emergence
n=42 Participants
Ondansetron 8mg Pre-emergence
Ondansetron Pre-Incision and Pre-emergence
n=43 Participants
4mg Ondansetron Pre-Incision and 4mg Ondansetron Pre-emergence
Number of Participants With Episodes of Vomiting in the PACU
2 Participants
0 Participants
1 Participants

SECONDARY outcome

Timeframe: Day 1

Number of participants with symptom presence of nausea or vomiting or headache on post-operative day one

Outcome measures

Outcome measures
Measure
Ondansetron 4mg Pre-emergence
n=43 Participants
Ondansetron 4 MG Pre-emergence
Ondansetron 8mg Pre-emergence
n=42 Participants
Ondansetron 8mg Pre-emergence
Ondansetron Pre-Incision and Pre-emergence
n=43 Participants
4mg Ondansetron Pre-Incision and 4mg Ondansetron Pre-emergence
Number of Participants With Symptoms on POD 1
Headache
5 Participants
5 Participants
3 Participants
Number of Participants With Symptoms on POD 1
Nausea
9 Participants
4 Participants
1 Participants
Number of Participants With Symptoms on POD 1
Vomiting
1 Participants
1 Participants
0 Participants

SECONDARY outcome

Timeframe: average of 4 hours

Number participants who needed rescue anti-emetics, i.e,, additional treatments needed to control nausea or vomiting in the PACU

Outcome measures

Outcome measures
Measure
Ondansetron 4mg Pre-emergence
n=43 Participants
Ondansetron 4 MG Pre-emergence
Ondansetron 8mg Pre-emergence
n=42 Participants
Ondansetron 8mg Pre-emergence
Ondansetron Pre-Incision and Pre-emergence
n=43 Participants
4mg Ondansetron Pre-Incision and 4mg Ondansetron Pre-emergence
Number of Participants Who Needed Rescue Anti-emetics
4 Participants
1 Participants
2 Participants

SECONDARY outcome

Timeframe: intraoperative, up to 3.5 hours

Outcome measures

Outcome measures
Measure
Ondansetron 4mg Pre-emergence
n=43 Participants
Ondansetron 4 MG Pre-emergence
Ondansetron 8mg Pre-emergence
n=42 Participants
Ondansetron 8mg Pre-emergence
Ondansetron Pre-Incision and Pre-emergence
n=43 Participants
4mg Ondansetron Pre-Incision and 4mg Ondansetron Pre-emergence
Total Anesthesia Time
116.0 minutes
Interval 93.0 to 178.0
128.5 minutes
Interval 86.5 to 186.25
118.0 minutes
Interval 93.0 to 172.0

Adverse Events

Ondansetron 4mg Pre-emergence

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

Ondansetron 8mg Pre-emergence

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

Ondansetron Pre-Incision and Pre-emergence

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

Dr. Daniel Katz

Icahn School of Medicine at Mount Sinai

Phone: 212-241-7475

Results disclosure agreements

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