Efficacy and safety analysis of bupivacaine liposomes used for bilateral quadrate lumbotomy analgesia in laparoscopic colorectal surgery

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2500097657

Enrollment

Unknown

Registered

2025-02-24

Start date

2025-03-01

Completion date

Unknown

Last updated

2025-03-03

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

Conditions

Patients with colorectal tumors requiring laparoscopic colorectal surgery.

Interventions

Ropivacaine group (Group R):Ropivacaine

Liposomal Bupivacaine group (Group B):Liposomal Bupivacaine

Eligibility

Sex/Gender

All

Age

18 Years to 89 Years

Inclusion criteria

Inclusion criteria: 1.Patients undergoing laparoscopic colorectal surgery under general anesthesia; 2.Age >=18 years; 3.American Society of Anesthesiologists (ASA) grade: I to III; 4.Agree to the test protocol and sign the informed consent;

Exclusion criteria

Exclusion criteria: 1.Patients with severe coagulation dysfunction; 2.Patients who have been taking opioids for a long time; 3.Patients who are unable to complete the Pain Numerical Scale score (NRS) for any reason; 4.Patients who are allergic to local anesthetics; 5.Patients with contraindications to lumboquadratus block;

Design outcomes

Primary

Measure	Time frame
Pain scores in resting and active states;	—

Countries

China

Contacts

Public ContactYong Yang

the First People's Hospital of Neijiang

yyglh58@163.com+86 832 2118434

Outcome results

None listed

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