Trial Outcomes & Findings for Intrathecal Chloroprocaine vs. Bupivacaine for Cervical Cerclage (NCT NCT03305575)

NCT ID: NCT03305575

Last Updated: 2020-08-25

Results Overview

The time difference between local anesthetic injection and complete resolution of motor block -as measured on the Bromage scale: I = free movement of feet, legs and hip = No block II = able to flex knees, with free movement of feet = Mild block III = unable to flex knees, but with free movement of feet = Moderate block IV = unable to move legs or feet = Complete block

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

10 participants

Primary outcome timeframe

6 hours

Results posted on

2020-08-25

Participant Flow

Participant milestones

Participant milestones
Measure
Chloroprocaine
Patients assigned to chlorprocaine received a single spinal injection of 40 mg of chloroprocaine PF. (other name: pure Nesacaine MPF 3% in a total volume of 2ml)
Bupivacaine
Patients assigned to bupivacaine received a single spinal injection of 7.5 mg of bupivacaine. (other name: pure Sensorcaine 0.75% diluted with normal saline to a total volume of 2ml).
Overall Study
STARTED
5
5
Overall Study
COMPLETED
4
5
Overall Study
NOT COMPLETED
1
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Chloroprocaine
Patients assigned to chlorprocaine received a single spinal injection of 40 mg of chloroprocaine PF. (other name: pure Nesacaine MPF 3% in a total volume of 2ml)
Bupivacaine
Patients assigned to bupivacaine received a single spinal injection of 7.5 mg of bupivacaine. (other name: pure Sensorcaine 0.75% diluted with normal saline to a total volume of 2ml).
Overall Study
Physician Decision
1
0

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Chloroprocaine
n=5 Participants
Patients assigned to chlorprocaine will receive a single spinal injection of 40 mg of chloroprocaine PF. (other name: pure Nesacaine MPF 3% in a total volume of 2ml) Chloroprocaine: The patient will be randomly selected to receive either Chloroprocaine or Bupivacaine as the local medication for in spinal anesthesia, with a 50% chance to receive either drug. During the cervical cerclage procedure and in the recovery room, the patient will be checked for motor block (the ability to move feet and legs) and for sensory block(the ability to feel) using a plastic tip, every 5 minutes in the first hour, and at 10 minutes intervals afterwards until the anesthesia wears off completely. The patient will also be asked to walk and urinate after the local anesthetic wears off to ensure complete resolution of local anesthesia.
Bupivacaine
n=5 Participants
Patients assigned to bupivacaine will receive a single spinal injection of 7.5 mg of bupivacaine. (other name: pure Sensorcaine 0.75% diluted with normal saline to a total volume of 2ml). Bupivacaine: The patient will be randomly selected to receive either Chloroprocaine or Bupivacaine as the local medication for in spinal anesthesia, with a 50% chance to receive either drug. During the cervical cerclage procedure and in the recovery room, the patient will be checked for motor block (the ability to move feet and legs) and for sensory block(the ability to feel) using a plastic tip, every 5 minutes in the first hour, and at 10 minutes intervals afterwards until the anesthesia wears off completely. The patient will also be asked to walk and urinate after the local anesthetic wears off to ensure complete resolution of local anesthesia.
Total
n=10 Participants
Total of all reporting groups
Age, Continuous
33 years
STANDARD_DEVIATION 4.5 • n=5 Participants
29 years
STANDARD_DEVIATION 3.8 • n=5 Participants
31 years
STANDARD_DEVIATION 4.5 • n=10 Participants
Sex: Female, Male
Female
5 Participants
n=5 Participants
5 Participants
n=5 Participants
10 Participants
n=10 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
0 Participants
n=5 Participants
0 Participants
n=10 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
BMI
30.4 Kg/m^2
STANDARD_DEVIATION 5.9 • n=5 Participants
29.7 Kg/m^2
STANDARD_DEVIATION 5.9 • n=5 Participants
30 Kg/m^2
STANDARD_DEVIATION 5.4 • n=10 Participants
ASA
2.3 Scores on a scale
STANDARD_DEVIATION 0.58 • n=5 Participants
2 Scores on a scale
STANDARD_DEVIATION 0 • n=5 Participants
2.1 Scores on a scale
STANDARD_DEVIATION 0.38 • n=10 Participants
Gestational age
16 weeks
STANDARD_DEVIATION 3.9 • n=5 Participants
14.8 weeks
STANDARD_DEVIATION 3.7 • n=5 Participants
15.4 weeks
STANDARD_DEVIATION 3.7 • n=10 Participants

PRIMARY outcome

Timeframe: 6 hours

The time difference between local anesthetic injection and complete resolution of motor block -as measured on the Bromage scale: I = free movement of feet, legs and hip = No block II = able to flex knees, with free movement of feet = Mild block III = unable to flex knees, but with free movement of feet = Moderate block IV = unable to move legs or feet = Complete block

Outcome measures

Outcome measures
Measure
Chloroprocaine
n=4 Participants
Patients assigned to chlorprocaine received a single spinal injection of 40 mg of chloroprocaine PF. (other name: pure Nesacaine MPF 3% in a total volume of 2ml)
Bupivacaine
n=5 Participants
Patients assigned to bupivacaine received a single spinal injection of 7.5 mg of bupivacaine. (other name: pure Sensorcaine 0.75% diluted with normal saline to a total volume of 2ml).
Duration of Motor Block
75 minutes
Standard Deviation 5.7
99 minutes
Standard Deviation 48.0

SECONDARY outcome

Timeframe: 6 hours

The time difference between local anesthetic injection and complete resolution of sensory block. The sensory level was tested using a blunt needle tip along the patient's demratomal distribution of the spinal anesthetic.

Outcome measures

Outcome measures
Measure
Chloroprocaine
n=4 Participants
Patients assigned to chlorprocaine received a single spinal injection of 40 mg of chloroprocaine PF. (other name: pure Nesacaine MPF 3% in a total volume of 2ml)
Bupivacaine
n=5 Participants
Patients assigned to bupivacaine received a single spinal injection of 7.5 mg of bupivacaine. (other name: pure Sensorcaine 0.75% diluted with normal saline to a total volume of 2ml).
Duration of Sensory Block
127 minutes
Standard Deviation 20.6
210 minutes
Standard Deviation 56.1

SECONDARY outcome

Timeframe: 6 hours

The time difference between local anesthetic injection and patient's walking for the first time postoperatively.

Outcome measures

Outcome measures
Measure
Chloroprocaine
n=4 Participants
Patients assigned to chlorprocaine received a single spinal injection of 40 mg of chloroprocaine PF. (other name: pure Nesacaine MPF 3% in a total volume of 2ml)
Bupivacaine
n=5 Participants
Patients assigned to bupivacaine received a single spinal injection of 7.5 mg of bupivacaine. (other name: pure Sensorcaine 0.75% diluted with normal saline to a total volume of 2ml).
Time to Ambulation
110 minutes
Standard Deviation 1.4
179 minutes
Standard Deviation 2.6

SECONDARY outcome

Timeframe: 6 hours

The time difference between local anesthetic injection and the patient's voiding for the first time postoperatively.

Outcome measures

Outcome measures
Measure
Chloroprocaine
n=4 Participants
Patients assigned to chlorprocaine received a single spinal injection of 40 mg of chloroprocaine PF. (other name: pure Nesacaine MPF 3% in a total volume of 2ml)
Bupivacaine
n=5 Participants
Patients assigned to bupivacaine received a single spinal injection of 7.5 mg of bupivacaine. (other name: pure Sensorcaine 0.75% diluted with normal saline to a total volume of 2ml).
Time to Micturation
111 minutes
Standard Deviation 1.3
233 minutes
Standard Deviation 1.7

Adverse Events

Chloroprocaine

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

Bupivacaine

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

Alaa Basura, MD

Tufts Medical Center

Phone: 6176365000

Results disclosure agreements

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