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Effect of esketamine combined with sufentanil on postoperative analgesic efficacy and cognitive function in elderly total knee replacement patients: a randomized, controlled, double-blind pilot study

Effect of esketamine combined with sufentanil on postoperative analgesic efficacy and cognitive function in elderly total knee replacement patients: a randomized, controlled, double-blind pilot study

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500101951
Enrollment
Unknown
Registered
2025-05-06
Start date
2023-10-17
Completion date
Unknown
Last updated
2025-05-12

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

Conditions

Total Knee Arthroplasty

Interventions

Pilot group (Group S):Postoperative analgesic regimen Group S: 0.75 mg/kg esketamine + 0.75 µg/kg + sufentanil + 16 mg ondansetron
Control group (Group C):Postoperative analgesic regimen Group C: 1.5ug/kg sufentanil + 16mg ondansetron

Sponsors

Guangdong Hospital of Traditional Chinese Medicine University Town Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
60 Years to 85 Years

Inclusion criteria

Inclusion criteria: (1) Age 60-85 years old (including 60 and 85 years old), gender is not limited; (2) 18 kg/m2 <= BMI <= 30 kg/m^2; (2) American Society of Anesthesiologists (ASA) classification I-III; (3) Elderly patients undergoing elective orthopedic total knee arthroplasty under endotracheal general anesthesia; (4) Patients were fully informed about the study and voluntarily signed a written informed consent form before any study-related procedures were initiated.

Exclusion criteria

Exclusion criteria: (1) Known hypersensitivity to the active ingredients or excipients of esketamine hydrochloride, ondansetron, propofol, sufentanil, cis-atracurium; (2) Use of opioids for chronic pain; (3) History of severe cardiovascular disease (e.g., coronary atherosclerotic heart disease, heart failure, and arrhythmias requiring treatment); angina pectoris (unstable angina) due to insufficient blood supply to the coronary vessels of the heart, or myocardial infarction within the last 6 months; (4) Persons whose blood pressure is not satisfactorily controlled (sitting systolic blood pressure >= 160 mmHg at Screening and/or diastolic blood pressure = 100 mmHg at Screening); (5) Patients with a history of hyperthyroidism; (6) Patients with a history of elevated intraocular pressure (e.g., glaucoma) or puncture eye injury; (7) Patients with asthma history; (8) Abnormal liver function, AST and/or ALT>=1.5×ULN, TBIL>=1.5×ULN; (9) Abnormal renal function, BUN>=1.5×ULN, blood creatinine exceeding the upper limit of normal value; (10) NYHK cardiac function grade >=?; (11) Partners who are known to suffer from mental illness and cannot communicate verbally; (12) Patients with MMSE score < 18

Design outcomes

Primary

MeasureTime frame
Opioid consumption;

Countries

China

Contacts

Public ContactFei Ye

Guangzhou University of Chinese Medicine

1183678903@qq.com+86 133 7062 3147

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026