Trial Outcomes & Findings for Does the Addition of Epinephrine Prolong the Duration of Spinal Anesthesia for Repeat Cesarean Section? (NCT NCT02369510)

NCT ID: NCT02369510

Last Updated: 2017-08-30

Results Overview

Time to T10 sensory recovery as measured by pinprick sensation

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

68 participants

Primary outcome timeframe

up to 3 hours

Results posted on

2017-08-30

Participant Flow

Participant milestones

Participant milestones
Measure
Low-dose Epinephrine
100micrograms of epinephrine group Low-dose epinephrine: 0.1ml of preservative-free saline and 0.1ml of 1:1000 epinephrine will be added to the standard spinal medications
High-dose Epinephrine
200micrograms of epinephrine group High-dose epinephrine: 0.2ml of 1:1000 epinephrine will be added to the standard spinal medications
No Epinephrine
0.2ml saline No epinephrine: 0.2ml of preservative-free saline will be added to the standard spinal medications
Overall Study
STARTED
23
22
23
Overall Study
COMPLETED
21
19
17
Overall Study
NOT COMPLETED
2
3
6

Reasons for withdrawal

Reasons for withdrawal
Measure
Low-dose Epinephrine
100micrograms of epinephrine group Low-dose epinephrine: 0.1ml of preservative-free saline and 0.1ml of 1:1000 epinephrine will be added to the standard spinal medications
High-dose Epinephrine
200micrograms of epinephrine group High-dose epinephrine: 0.2ml of 1:1000 epinephrine will be added to the standard spinal medications
No Epinephrine
0.2ml saline No epinephrine: 0.2ml of preservative-free saline will be added to the standard spinal medications
Overall Study
Spilled Medication
1
2
1
Overall Study
Epidural Activation
1
1
5

Baseline Characteristics

Does the Addition of Epinephrine Prolong the Duration of Spinal Anesthesia for Repeat Cesarean Section?

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Low-dose Epinephrine
n=23 Participants
100micrograms of epinephrine group Low-dose epinephrine: 0.1ml of preservative-free saline and 0.1ml of 1:1000 epinephrine will be added to the standard spinal medications
High-dose Epinephrine
n=22 Participants
200micrograms of epinephrine group High-dose epinephrine: 0.2ml of 1:1000 epinephrine will be added to the standard spinal medications
No Epinephrine
n=23 Participants
0.2ml saline No epinephrine: 0.2ml of preservative-free saline will be added to the standard spinal medications
Total
n=68 Participants
Total of all reporting groups
Age, Continuous
35 years
STANDARD_DEVIATION 3.86 • n=93 Participants
34 years
STANDARD_DEVIATION 5.19 • n=4 Participants
34 years
STANDARD_DEVIATION 5.12 • n=27 Participants
34 years
STANDARD_DEVIATION 4.73 • n=483 Participants
Sex: Female, Male
Female
23 Participants
n=93 Participants
22 Participants
n=4 Participants
23 Participants
n=27 Participants
68 Participants
n=483 Participants
Sex: Female, Male
Male
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
0 Participants
n=483 Participants
Pre-op Systolic Blood Pressure (SBP)
116 mmHg
STANDARD_DEVIATION 12 • n=93 Participants
119 mmHg
STANDARD_DEVIATION 10 • n=4 Participants
115 mmHg
STANDARD_DEVIATION 11 • n=27 Participants
117 mmHg
STANDARD_DEVIATION 11 • n=483 Participants
Pre-op Diastolic Blood Pressure (DBP)
70 mmHg
STANDARD_DEVIATION 11 • n=93 Participants
70 mmHg
STANDARD_DEVIATION 9 • n=4 Participants
66 mmHg
STANDARD_DEVIATION 8 • n=27 Participants
70 mmHg
STANDARD_DEVIATION 10 • n=483 Participants
Pre-op Heart Rate (HR)
82 beats per minute
STANDARD_DEVIATION 10 • n=93 Participants
85 beats per minute
STANDARD_DEVIATION 9 • n=4 Participants
78 beats per minute
STANDARD_DEVIATION 10 • n=27 Participants
82 beats per minute
STANDARD_DEVIATION 10 • n=483 Participants

PRIMARY outcome

Timeframe: up to 3 hours

Time to T10 sensory recovery as measured by pinprick sensation

Outcome measures

Outcome measures
Measure
Low-dose Epinephrine
n=21 Participants
100micrograms of epinephrine group Low-dose epinephrine: 0.1ml of preservative-free saline and 0.1ml of 1:1000 epinephrine will be added to the standard spinal medications
High-dose Epinephrine
n=19 Participants
200micrograms of epinephrine group High-dose epinephrine: 0.2ml of 1:1000 epinephrine will be added to the standard spinal medications
No Epinephrine
n=17 Participants
0.2ml saline No epinephrine: 0.2ml of preservative-free saline will be added to the standard spinal medications
Sensory Recovery
135 minutes
Interval 120.0 to 150.0
165 minutes
Interval 150.0 to 180.0
120 minutes
Interval 45.0 to 150.0

SECONDARY outcome

Timeframe: up to 4 hours

Time to Bromage 3 motor recovery

Outcome measures

Outcome measures
Measure
Low-dose Epinephrine
n=21 Participants
100micrograms of epinephrine group Low-dose epinephrine: 0.1ml of preservative-free saline and 0.1ml of 1:1000 epinephrine will be added to the standard spinal medications
High-dose Epinephrine
n=19 Participants
200micrograms of epinephrine group High-dose epinephrine: 0.2ml of 1:1000 epinephrine will be added to the standard spinal medications
No Epinephrine
n=17 Participants
0.2ml saline No epinephrine: 0.2ml of preservative-free saline will be added to the standard spinal medications
Motor Recovery
150 minutes
Interval 135.0 to 150.0
172 minutes
Interval 150.0 to 210.0
120 minutes
Interval 105.0 to 120.0

SECONDARY outcome

Timeframe: up to 15 min

Time to a onset of T4 level of anesthesia or the highest level achieved in 15min

Outcome measures

Outcome measures
Measure
Low-dose Epinephrine
n=21 Participants
100micrograms of epinephrine group Low-dose epinephrine: 0.1ml of preservative-free saline and 0.1ml of 1:1000 epinephrine will be added to the standard spinal medications
High-dose Epinephrine
n=19 Participants
200micrograms of epinephrine group High-dose epinephrine: 0.2ml of 1:1000 epinephrine will be added to the standard spinal medications
No Epinephrine
n=17 Participants
0.2ml saline No epinephrine: 0.2ml of preservative-free saline will be added to the standard spinal medications
Block Onset
6 minutes
Interval 6.0 to 8.0
8 minutes
Interval 6.0 to 8.0
8 minutes
Interval 6.0 to 10.0

SECONDARY outcome

Timeframe: at 2 minutes and at 25 minutes

Incidence of hypotension as measured by participants needing vasopressor agents

Outcome measures

Outcome measures
Measure
Low-dose Epinephrine
n=21 Participants
100micrograms of epinephrine group Low-dose epinephrine: 0.1ml of preservative-free saline and 0.1ml of 1:1000 epinephrine will be added to the standard spinal medications
High-dose Epinephrine
n=19 Participants
200micrograms of epinephrine group High-dose epinephrine: 0.2ml of 1:1000 epinephrine will be added to the standard spinal medications
No Epinephrine
n=17 Participants
0.2ml saline No epinephrine: 0.2ml of preservative-free saline will be added to the standard spinal medications
Number of Participants With Hypotension
2 minutes
5 Participants
2 Participants
8 Participants
Number of Participants With Hypotension
25 minutes
3 Participants
9 Participants
3 Participants

SECONDARY outcome

Timeframe: up to 3 hrs

As measured by pinprick sensation and/or patient discomfort as measured by verbal pain score on a scale of 0=no pain to 10=worst imaginable pain, obtained within 3 hours of receiving anesthesia.

Outcome measures

Outcome measures
Measure
Low-dose Epinephrine
n=21 Participants
100micrograms of epinephrine group Low-dose epinephrine: 0.1ml of preservative-free saline and 0.1ml of 1:1000 epinephrine will be added to the standard spinal medications
High-dose Epinephrine
n=19 Participants
200micrograms of epinephrine group High-dose epinephrine: 0.2ml of 1:1000 epinephrine will be added to the standard spinal medications
No Epinephrine
n=17 Participants
0.2ml saline No epinephrine: 0.2ml of preservative-free saline will be added to the standard spinal medications
Adequacy of Anesthesia
0 units on a scale
Interval 0.0 to 0.0
0 units on a scale
Interval 0.0 to 0.0
0 units on a scale
Interval 0.0 to 3.0

SECONDARY outcome

Timeframe: up to 3 hours

Patient satisfaction score was elicited upon arrival to the recovery room on a 1-5 Likert scale. Number of participants selecting the highest score of 5 or "completely satisfied".

Outcome measures

Outcome measures
Measure
Low-dose Epinephrine
n=21 Participants
100micrograms of epinephrine group Low-dose epinephrine: 0.1ml of preservative-free saline and 0.1ml of 1:1000 epinephrine will be added to the standard spinal medications
High-dose Epinephrine
n=19 Participants
200micrograms of epinephrine group High-dose epinephrine: 0.2ml of 1:1000 epinephrine will be added to the standard spinal medications
No Epinephrine
n=17 Participants
0.2ml saline No epinephrine: 0.2ml of preservative-free saline will be added to the standard spinal medications
Patient Satisfaction
90 percentage of participants
85 percentage of participants
87 percentage of participants

SECONDARY outcome

Timeframe: up to 3 hours

Outcome measures

Outcome measures
Measure
Low-dose Epinephrine
n=21 Participants
100micrograms of epinephrine group Low-dose epinephrine: 0.1ml of preservative-free saline and 0.1ml of 1:1000 epinephrine will be added to the standard spinal medications
High-dose Epinephrine
n=19 Participants
200micrograms of epinephrine group High-dose epinephrine: 0.2ml of 1:1000 epinephrine will be added to the standard spinal medications
No Epinephrine
n=17 Participants
0.2ml saline No epinephrine: 0.2ml of preservative-free saline will be added to the standard spinal medications
Incidence of Nausea and Vomiting
2 minutes
2 Participants
0 Participants
4 Participants
Incidence of Nausea and Vomiting
25 minutes
3 Participants
6 Participants
1 Participants

SECONDARY outcome

Timeframe: up to 3 hours

data not collected

Outcome measures

Outcome data not reported

Adverse Events

Low-dose Epinephrine

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

High-dose Epinephrine

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

No Epinephrine

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