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Clinical Trial Summary

Identifying the lowest effective opioid dose that achieves rapid pain relief while minimizing side effects is a principal objective in postoperative multimodal analgesia strategies. This study aims to determine the optimal analgesic regimen and dosage by assessing the clinical efficacy of oliceridine for postoperative pain management. It also evaluates oliceridine's contribution to accelerated postoperative recovery, examining aspects such as postoperative pulmonary complications, gastrointestinal function, nausea and vomiting, cognitive function, and emotional distress. Furthermore, the study integrates microbiomics and metabolomics to investigate the underlying molecular mechanisms by which oliceridine promotes rapid postoperative recovery. This research will broaden the clinical data and potential applications of oliceridine, addressing gaps in the field and enhancing practical knowledge. Moreover, this is the first time a clinical study combining multiple omics approaches will provide a comprehensive theoretical foundation for its clinical benefits.


Clinical Trial Description

This study selects 80 elective patients slated for upper abdominal laparoscopic surgery under general anesthesia, classified as ASA I-II. These patients are randomly allocated into four groups: Oliceridine low dose (OⅠ), medium dose (OⅡ), and high dose (OⅢ), and a Morphine (M) group. The postoperative analgesic protocol includes a universal loading dose of 1.5 mg for all groups. Depending on the group, the PCA doses are set at 0.1 mg, 0.35 mg, or 0.5 mg, with a lockout interval of 6 minutes. After the initial dose, patients may receive an additional 0.75 mg per hour as needed, with a daily ceiling of 27 mg for Oliceridine. In the Morphine group, the loading dose is 4 mg with a PCA dose of 1 mg and similar lockout, allowing 2 mg per hour post-loading, capped at 60 mg daily. Outcomes to monitor include systolic and diastolic blood pressures, heart rate, oxygen saturation, and respiratory rate at 6, 24, and 48 hours postoperatively; pain levels using the NRS scale; nausea and vomiting via the VAS score; and pulmonary complications evaluated by EPCO standards at specified intervals. Gastrointestinal function is assessed using the I-FEED score, and mental health through the HADS scale preoperatively and 48 hours post-surgery. Cognitive function is evaluated using the MMSE scale preoperatively and 72 hours postoperatively. Patient fecal samples are collected pre- and 48 hours post-surgery for microbial and metabolomic analyses to identify potential molecular benefits of Oliceridine, informed by its G-protein biased pharmacology. The study also uses statistical methods to compare microbiological outcomes and correlate these with clinical presentations. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06409689
Study type Interventional
Source Tongji Hospital
Contact
Status Not yet recruiting
Phase N/A
Start date June 1, 2024
Completion date July 1, 2025

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