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Clinical Trial Summary

This study aims to assess whether transmusculr quadratus lomborum block (QL block) can reduce postoperative pain after cytoreductive surgery and hyperthermic intra-peritoneal chemotherapy (CRS and HIPEC). Patients will be randomly assigned to either QL block group or control group. Ultrasound-guided bilateral transmuscular quadratus lomborum block will be performed in QL block group using 0.375% ropivacaine. Multimodal analgesic regimen including acetaminophen, nonsteroidal antiinflammatory drugs (NSAIDs), and rescue opioids will be used in every patient. Primary outcome is opioid consumption for 24 hours after surgery. Secondary outcomes included pain scores, time to first rescue analgesics, quality of recovery score, length of hospital stay.


Clinical Trial Description

Adult patients scheduled to undergo cytoreductive surgery and hyperthermic intra-peritoneal chemotherapy will be screened for eligibility. After induction of general anesthesia, ultrasound-guided bilateral transmuscular quadratus lomborum block will be done in QL block group. 0.375% ropivacaine will be injected to each side. Patients in control group will receive no block. Multimodal analgesia will be applied to every patient for postoperative pain control. Multimodal analgesic regimen included scheduled administration of acetaminophen, NSAIDs, and rescue opioids. Blinded investigator will assess pain scores at rest and on movement at 6, 12, 24, 48, 72 hours after surgery, analgesic consumptions, nausea, vomiting, and quality of recovery questionnaire. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05597683
Study type Interventional
Source Gangnam Severance Hospital
Contact SunKyung Park
Phone 82-2-2019-4601
Email mayskpark@yuhs.ac
Status Recruiting
Phase N/A
Start date November 15, 2022
Completion date November 10, 2024

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