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Effect of ropivacaine combined with hydromorphone or dexamethasone on postoperative analgesia after laparoscopic colorectal surgery: a randomized, double-blind, non-inferiority trial

Effect of ropivacaine combined with hydromorphone or dexamethasone on postoperative analgesia after laparoscopic colorectal surgery: a randomized, double-blind, non-inferiority trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2200066907
Enrollment
Unknown
Registered
2022-12-21
Start date
2023-01-01
Completion date
Unknown
Last updated
2023-05-15

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

Conditions

laparoscopic colorectal surgery

Interventions

Control Group:0.25% ropivacaine 20ml/one side, i.e. 10mL ropivacaine+normal saline to 40mL
Dexamethasone Group:0.25% ropivacaine+5mg dexamethasone 20ml/one side, i.e. 10ml ropivacaine+10mg dexamethasone+normal saline to 40mL
Hydromorphone Group:0.25% ropivacaine+1mg hydromorphone 20ml/one side, i.e. 10ml ropivacaine+2mg hydromorphone+normal saline to 40mL

Sponsors

Peking University, Shougang Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1) Age 18-70; 2) ASA Class I-III; 3) General anesthesia for laparoscopic colorectal surgery; 4) BMI is 18.5-29.9kg/m2 [BMI=weight (Kg)/height (m) 2]; 5) In line with ethics, the patient volunteered to be tested and signed the informed consent form.

Exclusion criteria

Exclusion criteria: 1) Patients who are allergic to the study drug; 2) Severe abnormal liver and kidney function (severe abnormal liver function: ALT, conjugated bilirubin, AST, ALP, total bilirubin, one of which is more than twice the upper limit of normal value; severe abnormal renal function: Cr clearance rate<30 ml/min); 3) Patients with New York Heart Association Class II or above; 4) Severe respiratory diseases; 5) History of chronic pain; 6) Infected persons at injection site; 7) Alcohol or drug abusers; 8) Opioid drug addicts; 9) Patients with mental disorders that interfere with pain perception and assessment.

Design outcomes

Primary

MeasureTime frame
The time to the first request for analgesics;

Secondary

MeasureTime frame
VAS score at rest;VAS score at rest;VAS score during exercise;Opioid consumption;Patient satisfaction;pruritus;Overall QoR-15 score;Nausea and vomiting score;Respiratory depression;Postoperative exhaust time;Drainage tube extubation time;length of stay;

Countries

China

Contacts

Public ContactZhao Lin

Peking University, Shougang Hospital

shougangzhaolin@163.com13522531376

Outcome results

None listed

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