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Esketamine Combined with Dexmedetomidine Modulates Postoperative Inflammatory Hyperalgesia in Orthopedic Surgery Patients Undergoing General Anesthesia

Esketamine Combined with Dexmedetomidine Modulates Postoperative Inflammatory Hyperalgesia in Orthopedic Surgery Patients Undergoing General Anesthesia

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600120087
Enrollment
Unknown
Registered
2026-03-09
Start date
2026-03-03
Completion date
Unknown
Last updated
2026-03-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Postoperative pain

Interventions

Control Group:Intravenous administration of sufentanil 0.2 µg/kg 30 minutes before the end of surgery, and intravenous injection of flurbiprofen axetil 1 mg/kg 10 minutes before the end of surgery. Co
Experimental Group 1:Intravenous administration of sufentanil 0.1 µg/kg and esketamine 0.25 mg/kg 30 minutes before the end of surgery, and intravenous injection of flurbiprofen axetil 1 mg/kg 10 minu
Experimental Group 2:Intravenous administration of sufentanil 0.1 µg/kg and esketamine 0.25 mg/kg 30 minutes before the end of surgery, and intravenous injection of flurbiprofen axetil 1 mg/kg 10 minu

Sponsors

The Second Affiliated Hospital of Shantou University Medical College
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1.Diagnosed with humeral, femoral, or tibial fracture based on clinical symptoms and imaging findings, with indications for surgical treatment, scheduled for elective open reduction and internal fixation under general anesthesia with tracheal intubation or laryngeal mask, and the patient or authorized representative agrees to the use of a postoperative intravenous analgesia pump. 2.Age: 18–65 years. 3.BMI: 18.5–27.9 kg/m². 4.ASA score: I–III.

Exclusion criteria

Exclusion criteria: 1.Refusal to participate in this study. 2,Allergy to the active ingredients or excipients of esketamine or dexmedetomidine. 3.Use of sedatives or analgesics within the past month. 4.Presence of severe systemic diseases. 5.Preoperative sleep disorders. 6.Preoperative painful conditions unrelated to the fracture. 7.History of peptic ulcer and bleeding within the past month. 8.Bleeding tendency or coagulation dysfunction. 9.Increased intracranial pressure or brain injury. 10.Pregnancy or lactation. 11.Preoperative mental or psychological disorders. 12.Preoperative cognitive dysfunction.

Design outcomes

Primary

MeasureTime frame
NRS pain score;Sleep score;

Secondary

MeasureTime frame
Quality of recovery ;Incidence of adverse reactions;Inflammatory factor levels;

Countries

China

Contacts

Public ContactZhenwei Zheng

The Second Affiliated Hospital of Shantou University Medical College

wind_8228@163.com+86 138 2280 3033

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Mar 20, 2026