A Study of Bupivacaine Liposome Injection in the Treatment of Pain After Thoracoscopic Surgery

Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18+
SponsorJiangsu HengRui Medicine Co., Ltd.

About this trial

The objective of this study is to evaluate the efficacy, safety, and tolerability of bupivacaine liposomes for paravertebral nerve block in the treatment of thoracoscopic postoperative pain, and to evaluate the relevant human pharmacokinetics.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Subjects who are willing to strictly follow the clinical trial protocol to complete this study and voluntarily sign informed consent;

Elective surgical subjects undergoing lobectomy by single-aperture thoracoscope under general anesthesia;

age ≥18 years old , Male or female;

18 kg/m2≤BMI≤30 kg/m2;

Disqualifiers

Abnormal laboratory results during screening.

Abnormal renal function: serum creatinine (Cr) ≥1.5×ULN, or dialysis subjects.

Abnormal coagulation function: PT> upper normal value +3s and/or APTT > upper normal value +10s.

Platelet (PLT) <80×109/L.

Trial design

Design model

Parallel

Treatments tested in this trial

  • Bupivacaine Liposome Injection

    Drug

    Bupivacaine Liposome Injection Low Dose or Moderate Dose or High Dose

  • Bupivacaine Hydrochloride Injection

    Drug

    Bupivacaine Hydrochloride Injection Low Dose or Moderate Dose or High Dose

Treatment groups

96 Participants
are divided into 2 treatment groups
Group A: Bupivacaine Liposome InjectionExperimental treatment 1 intervention
Group B: Bupivacaine Hydrochloride InjectionActive comparator 1 intervention

Trial outcomes

Primary outcomes

1

Area under the time curve of pain intensity during exercise (or cough) for 72 hours after administration

Time frame
0 minute to 72 hours after administration

Secondary outcomes

1

Area under the curve of pain intensity and time in exercise (or cough) state in 0-12h, 12-24h, 12-48h and 12-72h after administration

Time frame
0 minute to 72 hours after administration
2

Area under the curve of pain intensity and time in resting state in 0-12h, 12-24h, 12-48h, 12-72h and 0-72h after administration

Time frame
0 minute to 72 hours after administration
3

Pain intensity scores in resting state and exercise (or cough) state, including within 30 minutes after anesthesia recovery and various time points after administration (6h, 8h, 12h, 18h, 24h, 30h, 36h, 48h, 72h)

Time frame
recovery from anesthesia to 72 hours after administration
4

The duration of the first pain intensity score ≥4 points during exercise (or cough) after anesthesia recovery

Time frame
0 minute to 72 hours after administration

Other outcomes

Sponsors and contacts

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