Bupivacaine Liposome Versus Bupivacaine for Ultrasound-Guided Suprascapular Nerve Combined With Axillary Nerve Block in Analgesia After Arthroscopic Shoulder Surgery

Trial statusNot yet recruiting
Trial phasePhase 4
Trial typeInterventional
Biological sexAll
Age18-60
SponsorHuazhong University of Science and Technology

About this trial

This trial is designed to compare the post-operative analgesic efficacy and safety of liposomal bupivacaine versus plain bupivacaine when both are used for ultrasound-guided combined suprascapular and axillary nerve block in patients undergoing elective arthroscopic shoulder surgery.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Aged 18-60 years

ASA physical status I-II

Undergoing unilateral arthroscopic shoulder surgery

The Operative time between 1and 4 hours

Disqualifiers

Anticipated operative time < 1 h or > 4 h

Severe cardiopulmonary insufficiency

Hepatic or renal dysfunction

Coagulopathy

Trial design

Design model

Parallel

Treatments tested in this trial

  • Group A( liposomal bupivacene)

    Drug

    In the experimental group, 15 mL of a mixture containing liposomal bupivacaine plus plain bupivacaine is deposited around each target nerve (20 mL liposomal bupivacene, 266 mg, combined with 10 mL 0.75 % plain bupivacaine, total 30 mL).

  • Group B(bupivacene)

    Drug

    The control group receives 15 mL of 0.25 % plain bupivacaine around each nerve. Unlike the clear solution of plain bupivacaine, liposomal bupivacaine has a distinctive milky-white appearance.

Treatment groups

60 Participants
are divided into 2 treatment groups
Group A: Group A (liposomal bupivacene)Experimental treatment 1 intervention
Group B: Group B(bupivacene)Active comparator 1 intervention

Trial outcomes

Primary outcomes

1

Opioid consumption after surgery

The primary outcome entails tracking and assessing the total opioid consumption by participants following arthroscopic shoulder surgery. The consumption of Opioid via patient-controlled analgesia will be recorded within 72h postoperatively.

Time frame
The outcome will be monitored and recorded within 72 hours postoperatively.

Secondary outcomes

1

Analgesic efficacy after surgery

To compare the analgesic efficacy of liposomal bupivacaine versus plain bupivacaine when used in ultrasound-guided combined suprascapular and axillary nerve block for arthroscopic shoulder surgery, VAS pain scores will be recorded at several time points from 0 to 72h.

Time frame
The outcome will be monitored and recorded within 72 hours postoperatively
2

Operative time

Total duration of surgery from skin incision to skin closure, measured in minutes

Time frame
Intraoperative
3

Length of hospital stay

Duration of hospitalization from admission to discharge, measured in days

Time frame
Through study completion, up to 7 days
4

Incidence of Allergic Reactions

Mild allergic reactions including skin rash, pruritus, urticaria, or local injection site reactions, graded using CTCAE v5.0 criteria

Time frame
From first dose to 3 days postoperatively

Other outcomes

Locations

This trial has no locations.

Sponsors and contacts

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