Trial Outcomes & Findings for Carbetocin on Myocardial Repolarization Dynamics in Obstetrics Study (NCT NCT03716076)

NCT ID: NCT03716076

Last Updated: 2021-05-14

Results Overview

Time interval between peak and end of T-wave (Tp-e)

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

50 participants

Primary outcome timeframe

5 minutes post-carbetocin administration

Results posted on

2021-05-14

Participant Flow

Participant milestones

Participant milestones
Measure
Participant Receives 50 mcg of Carbetocin Post-delivery.
Participant receives 50 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Participant Receives 100 mcg of Carbetocin Post-delivery.
Participant receives 100 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Overall Study
STARTED
25
25
Overall Study
COMPLETED
22
19
Overall Study
NOT COMPLETED
3
6

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Participant Receives 50 mcg of Carbetocin Post-delivery.
n=22 Participants
Participant receives 50 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Participant Receives 100 mcg of Carbetocin Post-delivery.
n=19 Participants
Participant receives 100 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Total
n=41 Participants
Total of all reporting groups
Age, Continuous
34.5 years
STANDARD_DEVIATION 4.3 • n=22 Participants
35.7 years
STANDARD_DEVIATION 2.8 • n=19 Participants
35 years
STANDARD_DEVIATION 3.7 • n=41 Participants
Sex: Female, Male
Female
22 Participants
n=22 Participants
19 Participants
n=19 Participants
41 Participants
n=41 Participants
Sex: Female, Male
Male
0 Participants
n=22 Participants
0 Participants
n=19 Participants
0 Participants
n=41 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Region of Enrollment
Canada
22 participants
n=22 Participants
19 participants
n=19 Participants
41 participants
n=41 Participants
Mean Arterial Pressure
89.7 mmHg
STANDARD_DEVIATION 10.4 • n=22 Participants
88.5 mmHg
STANDARD_DEVIATION 8.3 • n=19 Participants
89.2 mmHg
STANDARD_DEVIATION 9.4 • n=41 Participants
Heart Rate
83.0 bpm
STANDARD_DEVIATION 8.6 • n=22 Participants
81.8 bpm
STANDARD_DEVIATION 9.0 • n=19 Participants
82.0 bpm
STANDARD_DEVIATION 8.7 • n=41 Participants
Gravida
2 pregnancies
n=22 Participants
2 pregnancies
n=19 Participants
2 pregnancies
n=41 Participants
Parity of 0
7 participants
n=22 Participants
5 participants
n=19 Participants
12 participants
n=41 Participants
Gestational Age
38.9 weeks
STANDARD_DEVIATION 0.8 • n=22 Participants
39.2 weeks
STANDARD_DEVIATION 0.5 • n=19 Participants
39.0 weeks
STANDARD_DEVIATION 0.7 • n=41 Participants
Parity greater than 0
15 participants
n=22 Participants
14 participants
n=19 Participants
29 participants
n=41 Participants
Baseline QTc
413.7 milliseconds
STANDARD_DEVIATION 11.0 • n=22 Participants
409.0 milliseconds
STANDARD_DEVIATION 15.8 • n=19 Participants
411.6 milliseconds
STANDARD_DEVIATION 13.5 • n=41 Participants
Baseline Tp-e
67.5 milliseconds
STANDARD_DEVIATION 8.2 • n=22 Participants
69.6 milliseconds
STANDARD_DEVIATION 5.7 • n=19 Participants
68.5 milliseconds
STANDARD_DEVIATION 7.1 • n=41 Participants
Weight
74.9 Kilograms
STANDARD_DEVIATION 13.2 • n=22 Participants
75.1 Kilograms
STANDARD_DEVIATION 10.7 • n=19 Participants
75.0 Kilograms
STANDARD_DEVIATION 12.0 • n=41 Participants
Phenylephrine Dose
1459.0 micrograms
STANDARD_DEVIATION 426.1 • n=22 Participants
1538.1 micrograms
STANDARD_DEVIATION 479.2 • n=19 Participants
1495.6 micrograms
STANDARD_DEVIATION 500.2 • n=41 Participants

PRIMARY outcome

Timeframe: 5 minutes post-carbetocin administration

Time interval between peak and end of T-wave (Tp-e)

Outcome measures

Outcome measures
Measure
Participant Receives 50 mcg of Carbetocin Post-delivery.
n=22 Participants
Participant receives 50 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Participant Receives 100 mcg of Carbetocin Post-delivery.
n=19 Participants
Participant receives 100 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Tp-e
69.5 milliseconds
Standard Deviation 7.7
74.7 milliseconds
Standard Deviation 4.7

SECONDARY outcome

Timeframe: perioperatively, typically ranging 30 minutes-1 hour

Occurrence of Atrial or Ventricular Arrhythmias

Outcome measures

Outcome measures
Measure
Participant Receives 50 mcg of Carbetocin Post-delivery.
n=22 Participants
Participant receives 50 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Participant Receives 100 mcg of Carbetocin Post-delivery.
n=19 Participants
Participant receives 100 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Arrhythmia
0 Participants
0 Participants

SECONDARY outcome

Timeframe: 5 min post-carbetocin administration

Bazette corrected Q-T interval

Outcome measures

Outcome measures
Measure
Participant Receives 50 mcg of Carbetocin Post-delivery.
n=22 Participants
Participant receives 50 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Participant Receives 100 mcg of Carbetocin Post-delivery.
n=19 Participants
Participant receives 100 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
QTc at 5 Min
435.1 milliseconds
Standard Deviation 18.3
434.2 milliseconds
Standard Deviation 18.8

SECONDARY outcome

Timeframe: 10 minutes post-carbetocin administration

Bazette corrected Q-T interval (QTc)

Outcome measures

Outcome measures
Measure
Participant Receives 50 mcg of Carbetocin Post-delivery.
n=22 Participants
Participant receives 50 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Participant Receives 100 mcg of Carbetocin Post-delivery.
n=19 Participants
Participant receives 100 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
QTc 10 Min
431.6 milliseconds
Standard Deviation 18.2
431.9 milliseconds
Standard Deviation 15.4

SECONDARY outcome

Timeframe: 5 min post-administration of spinal anesthesia

Bazette corrected Q-T interval change after spinal anesthesia

Outcome measures

Outcome measures
Measure
Participant Receives 50 mcg of Carbetocin Post-delivery.
n=22 Participants
Participant receives 50 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Participant Receives 100 mcg of Carbetocin Post-delivery.
n=19 Participants
Participant receives 100 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
QTc 5 Min Spinal
409.4 milliseconds
Standard Deviation 19.2
413.6 milliseconds
Standard Deviation 17.4

SECONDARY outcome

Timeframe: 5 minutes after administration of spinal anesthesia

Time between peak and end of T-wave,

Outcome measures

Outcome measures
Measure
Participant Receives 50 mcg of Carbetocin Post-delivery.
n=22 Participants
Participant receives 50 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Participant Receives 100 mcg of Carbetocin Post-delivery.
n=19 Participants
Participant receives 100 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Tp-e 5 Min Post-spinal
69.5 milliseconds
Standard Deviation 8.6
70.9 milliseconds
Standard Deviation 6.5

SECONDARY outcome

Timeframe: 10 minutes post-carbetocin administration

Time between peak and end of T-wave

Outcome measures

Outcome measures
Measure
Participant Receives 50 mcg of Carbetocin Post-delivery.
n=22 Participants
Participant receives 50 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Participant Receives 100 mcg of Carbetocin Post-delivery.
n=19 Participants
Participant receives 100 mcg of carbetocin post-delivery. Carbetocin: 50 mcg or 100 mcg bolus of carbetocin
Tp-e at 10 Min
69.4 milliseconds
Standard Deviation 8.2
71.8 milliseconds
Standard Deviation 5.5

Adverse Events

Participant Receives 50 mcg of Carbetocin Post-delivery.

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

Participant Receives 100 mcg of Carbetocin Post-delivery.

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. Anthony Chau

BC Women's Hospital

Phone: 604-875-2158

Results disclosure agreements

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