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Comparison of the effects of different administration routes of hydrogen morphine ketone on postoperative analgesia in patients undergoing abdominal surgery

Comparison of the effects of different administration routes of hydrogen morphine ketone on postoperative analgesia in patients undergoing abdominal surgery

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600117788
Enrollment
Unknown
Registered
2026-01-28
Start date
2026-02-01
Completion date
Unknown
Last updated
2026-02-02

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

Conditions

Post-operative pain

Interventions

Group A:0.2mg of hydromorphone and 0.375% ropivacaine are administered in a total volume of 40ml for bilateral TAPB after the surgery. After completing the TAPB, PCIA is initiated: 8mg of ondansetron
Group B:PCIA after the surgery: 8mg of hydromorphone + 8mg of ondansetron + normal saline (total 100ml), with a constant infusion rate of 2ml/h, a single additional dose of 0.5ml, a lockout time of 1

Sponsors

The Second People’s Hospital of Yibin
Lead Sponsor

Eligibility

Sex/Gender
All
Age
35 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. All participants signed the informed consent form; 2.Age: 35 - 75 years old; 3.American Society of Anesthesiologists (ASA) classification: I - III; 4.Scheduled for laparoscopic surgery, with the operation duration ranging from 1 hour to 4 hours; 5. Preoperative Barthel Index score >= 95 points.

Exclusion criteria

Exclusion criteria: 1. Individuals with mental or psychological disorders; 2. A long history of alcohol and drug abuse, or take sedatives or opioid drugs for a long time; 3. Mini-Mental State Examination (MMSE) score before the surgery indicates the presence of PND (such as patients with Alzheimer's disease); 4. Those who have adverse reactions to the anesthetic drugs used; 5. Those with infection at the puncture site and abnormal coagulation function; 6. Those with diabetes and severe organ dysfunction; 7. Those who refuse to participate in any part of this study: such as those who refuse to participate in the scoring of each scale before and after the surgery, or those who refuse the anesthesia plan in this study; 8. Those with severe organic lesions (coronary heart disease, second-degree or higher atrioventricular block, bradycardia (HR < 50 beats/min), hypotension (SBP < 90 mmHg), bronchial asthma, severe hypertension, severe blood system dysfunction, liver and kidney function disorders, brain dysfunction, gastric emptying restriction and gastroparesis, patients with significant electrolyte abnormalities).

Design outcomes

Primary

MeasureTime frame
NRS score;Number of rescue analgesia administrations within 48 hours post-surgery;Total number of PCIAs and number of effective PCIAs;Incidence of adverse reactions (postoperative respiratory depression, nausea and vomiting, drowsiness, skin itching, etc.);

Secondary

MeasureTime frame
Patients' evaluation of pain relief satisfaction 48 hours after surgery;Postoperative first time out of bed for two groups;

Countries

China

Contacts

Public ContactYang Li

The Second People’s Hospital of Yibin

568457863@qq.com+86 156 8087 4230

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 7, 2026