Trial Outcomes & Findings for Comparison Between Epinephrine and Clonidine as Adjuvants to Lidocaine in Axillary Brachial Plexus Block. (NCT NCT03207022)

NCT ID: NCT03207022

Last Updated: 2021-09-02

Results Overview

Time taken for onset of sensory axillary brachial plexus block

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

24 participants

Primary outcome timeframe

1 day

Results posted on

2021-09-02

Participant Flow

Assessed for eligibility: n = 50 Excluded 26 * Not meeting inclusion criteria n= 8 * Declined to participate n= 18 Randomized n = 24

Participant milestones

Participant milestones
Measure
Lidocaine 2% With Normal Saline
Patients will receive ultrasound guided axillary brachial plexus block with 20 ml of lidocaine 2% with epinephrine mixed with 2 ml of 0.9% normal saline. axillary brachial plexus block: ultrasound guided axillary brachial plexus block with 20 ml local anaesthetic lidocaine with epinephrine and clonidine
Lidocaine 2% With Clonidine
Patients will receive ultrasound guided axillary brachial plexus block with 20 ml of lidocaine 2% with epinephrine mixed with clonidine 1µg/kg in 2 ml of 0.9% normal saline. axillary brachial plexus block: ultrasound guided axillary brachial plexus block with 20 ml local anaesthetic lidocaine with epinephrine and clonidine
Overall Study
STARTED
12
12
Overall Study
COMPLETED
12
12
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Comparison Between Epinephrine and Clonidine as Adjuvants to Lidocaine in Axillary Brachial Plexus Block.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Lidocaine 2% With Normal Saline
n=12 Participants
Patients will receive ultrasound guided axillary brachial plexus block with 20 ml of lidocaine 2% with epinephrine mixed with 2 ml of 0.9% normal saline. axillary brachial plexus block: ultrasound guided axillary brachial plexus block with 20 ml local anaesthetic lidocaine with epinephrine and clonidine
Lidocaine 2% With Clonidine
n=12 Participants
Patients will receive ultrasound guided axillary brachial plexus block with 20 ml of lidocaine 2% with epinephrine mixed with clonidine 1µg/kg in 2 ml of 0.9% normal saline. axillary brachial plexus block: ultrasound guided axillary brachial plexus block with 20 ml local anaesthetic lidocaine with epinephrine and clonidine
Total
n=24 Participants
Total of all reporting groups
Age, Continuous
41.4 years
STANDARD_DEVIATION 10.6 • n=5 Participants
42.3 years
STANDARD_DEVIATION 8.6 • n=7 Participants
41.9 years
STANDARD_DEVIATION 9.5 • n=5 Participants
Sex: Female, Male
Female
5 Participants
n=5 Participants
4 Participants
n=7 Participants
9 Participants
n=5 Participants
Sex: Female, Male
Male
7 Participants
n=5 Participants
8 Participants
n=7 Participants
15 Participants
n=5 Participants
Region of Enrollment
Ireland
12 Participants
n=5 Participants
12 Participants
n=7 Participants
24 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 1 day

Time taken for onset of sensory axillary brachial plexus block

Outcome measures

Outcome measures
Measure
Lidocaine 2% With Normal Saline
n=12 Participants
Patients will receive ultrasound guided axillary brachial plexus block with 20 ml of lidocaine 2% with epinephrine mixed with 2 ml of 0.9% normal saline. axillary brachial plexus block: ultrasound guided axillary brachial plexus block with 20 ml local anaesthetic lidocaine with epinephrine and clonidine
Lidocaine 2% With Clonidine
n=12 Participants
Patients will receive ultrasound guided axillary brachial plexus block with 20 ml of lidocaine 2% with epinephrine mixed with clonidine 1µg/kg in 2 ml of 0.9% normal saline. axillary brachial plexus block: ultrasound guided axillary brachial plexus block with 20 ml local anaesthetic lidocaine with epinephrine and clonidine
Onset of Sensory Block
10 minutes
Interval 8.8 to 12.5
5 minutes
Interval 5.0 to 7.5

SECONDARY outcome

Timeframe: 1 day

time taken for onset of motor block of ultrasound guided axillary brachial plexus block

Outcome measures

Outcome measures
Measure
Lidocaine 2% With Normal Saline
n=12 Participants
Patients will receive ultrasound guided axillary brachial plexus block with 20 ml of lidocaine 2% with epinephrine mixed with 2 ml of 0.9% normal saline. axillary brachial plexus block: ultrasound guided axillary brachial plexus block with 20 ml local anaesthetic lidocaine with epinephrine and clonidine
Lidocaine 2% With Clonidine
n=12 Participants
Patients will receive ultrasound guided axillary brachial plexus block with 20 ml of lidocaine 2% with epinephrine mixed with clonidine 1µg/kg in 2 ml of 0.9% normal saline. axillary brachial plexus block: ultrasound guided axillary brachial plexus block with 20 ml local anaesthetic lidocaine with epinephrine and clonidine
Onset of Motor Block.
7.5 minutes
Interval 6.3 to 7.5
5 minutes
Interval 2.5 to 7.5

SECONDARY outcome

Timeframe: 1 day

Total duration of sensory block of ultrasound guided axillary brachial plexus block

Outcome measures

Outcome measures
Measure
Lidocaine 2% With Normal Saline
n=12 Participants
Patients will receive ultrasound guided axillary brachial plexus block with 20 ml of lidocaine 2% with epinephrine mixed with 2 ml of 0.9% normal saline. axillary brachial plexus block: ultrasound guided axillary brachial plexus block with 20 ml local anaesthetic lidocaine with epinephrine and clonidine
Lidocaine 2% With Clonidine
n=12 Participants
Patients will receive ultrasound guided axillary brachial plexus block with 20 ml of lidocaine 2% with epinephrine mixed with clonidine 1µg/kg in 2 ml of 0.9% normal saline. axillary brachial plexus block: ultrasound guided axillary brachial plexus block with 20 ml local anaesthetic lidocaine with epinephrine and clonidine
Duration of Sensory and Motor Block
165 minutes
Standard Deviation 24.1
218.3 minutes
Standard Deviation 28.5

Adverse Events

Lidocaine 2% With Normal Saline

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

Lidocaine 2% With Clonidine

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 Anil Ranganath

Cork University Hospital

Results disclosure agreements

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