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Clinical Trial Summary

I. Research purpose 1.1 Main Objective: To investigate the efficacy and safety of bupivacaine liposome thoracic paravertebral nerve block combined with drainage tube analgesia for postoperative analgesia after thoracoscopic lobectomy 1.2 Secondary objective: To investigate the efficacy and safety of drainage tube analgesia after thoracoscopic lobectomy 1.3 Exploratory Objective: To investigate the noninferiority of bupivacaine liposomes in thoracic paravertebral nerve block with standard bupivacaine


Clinical Trial Description

Group A: Participants were treated with 0.5% bupivacaine 20mL thoracic paravertebral block combined with Patient-controlled intravenous analgesia (PCIA). Group B: 0.5% bupivacaine 20mL thoracic paravertebral nerve block combined with drainage tube analgesia technique combined with PCIA; Group C: 1.33% bupivacaine liposome 20mL thoracic paravertebral nerve block complex PCIA; Group D: 1.33% bupivacaine liposome 20mL thoracic paravertebral nerve block combined with drainage tube analgesia technique combined with PCIA. A mechanical intravenous analgesic pump (100 mL, Jiangsu Aipeng Medical Technology Co., LTD., Jiangsu, China) was used with no background dose, PCA dose was 1ml, locking interval was 10 minutes, Sufentanil 1ug/kg, Nalbuphine 1mg/kg and ondansetron 16mg, and the postoperative analgesic management system was used to record the number of compressions. Analgesia through the drainage tube was performed by inserting an epidural catheter through the lateral wall of the drainage tube. After the operation, 0.25% bupivacaine 10mL was injected through the epidural catheter. An external mechanical intravenous analgesic pump was installed, and the background dose was set to 5mL/h, without PCA dose. If the NRS score is ≥4 points after 3 consecutive PCA doses, additional rescue drugs are added without limiting the type ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06165991
Study type Interventional
Source Qianfoshan Hospital
Contact yong t Sun, PH.D
Phone 18660795201
Email sunyongtao1979@163.com
Status Not yet recruiting
Phase Phase 4
Start date June 1, 2024
Completion date December 31, 2025

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