Relationship Between Lidocaine & Serum Orphanin FQ (N/OFQ)

Status Recruiting

Clinical Trial Summary

The intravenous injection of lidocaine during the perioperative period has been widely used in various types of surgeries. Its clinical effect includes reducing stress response during anesthesia, decreasing pain and opioid consumption, lowering the incidence of postoperative nausea, vomiting, cognitive dysfunction, and reducing the injection pain of propofol. However, despite the positive impact of lidocaine on surgical patients, its mechanism of action remains unclear. Serum N/OFQ is a neurotransmitter that plays an important role in regulating pain and emotion. Therefore, this study aims to explore the effects of perioperative intravenous injection of lidocaine on stress responses in surgical patients, as well as its mechanism of action, and whether Serum N/OFQ participates in this process.

Clinical Trial Description

We hypothesize that intravenous injection of lidocaine during the perioperative period can reduce expression of endogenous opioid peptides, which in turn can decrease secretion of IL-6 and TNF-α, ultimately leading to a reduction in perioperative stress response. This randomized controlled trial will be conducted at the Second Hospital of Shanxi Medical University in China, with the aim of observing changes in stress-related indicators (blood pressure, heart rate, heart rate variability, IL-6, TNF-α, as well as Serum N/OFQ ) between patients undergoing abdominal surgery under total intravenous general anesthesia with and without lidocaine injection. Lidocaine will be administered as a loading dose during anesthesia induction and continued via infusion until the end of anesthesia maintenance, with appropriate depth of anesthesia or BIS readings utilized for monitoring anesthesia depth. Routine monitoring parameters, including blood pressure, heart rate, SpO2, and electrocardiogram, will be recorded and analyzed. Blood samples will be collected 30 minutes before anesthesia induction, 1 minute after tracheal intubation, and at the end of surgery. The use of lidocaine will be evaluated for its impact on perioperative stress response in patients undergoing abdominal surgery, with the relationship to changes in levels of endogenous opioid peptides explored. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05899127
Study type	Interventional
Source	Second Hospital of Shanxi Medical University
Contact
Status	Recruiting
Phase	Phase 4
Start date	July 22, 2023
Completion date	July 31, 2024

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Relationship Between Lidocaine and Serum Orphanin FQ (N/OFQ)

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms