Other Clinical Trial - Prospective RCT Lidocaine & Levobupivacaine on

Status Recruiting

Clinical Trial Summary

Sciatic nerve block at the popliteal fossa is indicated for foot or ankle surgery, and the introduction of ultrasound guidance (USG) has improved the ease and accuracy of the performance of this block. Recent studies proved that subparaneural injection is associated with faster block onset, higher block success rate, and prolonged block duration suggesting subparaneural compartment of the sciatic nerve is a desirable site for local anaesthetic injection. Data from an ongoing trial in the investigator's institution comparing the block dynamics of subparaneural injection of 30ml 0.5% levobupivacaine (Chirocaine) above and below the bifurcation of the sciatic nerve at popliteal fossa has also shown that the time to 'readiness for surgery' was faster when the injection was performed below the bifurcation of the sciatic nerve. Lidocaine (Xylocaine) has a better pharmacokinetic and pharmacodynamics profile than levobupivacaine and is also widely used as local anaesthetic agent in clinical practice. Since there is no data comparing the block dynamics of lidocaine and levobupivacaine, this study aims to study and compare the block dynamics of lidocaine and levobupivacaine when given as a subparaneural injection below the bifurcation of the sciatic nerve at the popliteal fossa. In this study, the investigator hypothesizes that the use of lidocaine as the sole agent for this block will fasten the time to 'readiness for surgery' as compared to levobupivacaine when given as a subparaneural injection below the bifurcation of the sciatic nerve at the popliteal fossa.

Clinical Trial Description

This study will involve performing ultrasound guided subparaneural popliteal sciatic nerve block for 40 patients by using either Lidocaine or Levobupivacaine. Both are commonly used local anaesthetics for regional anaesthesia in daily clinical practice. Patients will be enrolled from the elective orthopaedic surgical list at Prince of Wales Hospital after informed consent. ;

Study Design

Related Conditions & MeSH terms

Musculoskeletal Diseases
Musculoskeletal Diseases or Conditions

Clinical Trial Details

NCT number	NCT04397484
Study type	Interventional
Source	Chinese University of Hong Kong
Contact	Cheuk Man Cheung, RN, BN, MSc
Phone	+85235052735
Email	cheukmancheung@cuhk.edu.hk
Status	Recruiting
Phase	Phase 4
Start date	September 20, 2023
Completion date	September 30, 2024

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Prospective RCT Lidocaine & Levobupivacaine on Block Dynamics After Subparaneural Popliteal Sciatic Nerve Block

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms