NCT06288841

Brief Summary

With the development of the concept of comfortable medicine and enhanced recovery surgery (ERAS), optimizing the perioperative management of patients, reducing surgical stress, and reducing postoperative pain can effectively reduce perioperative complications and achieve the purpose of accelerating recovery. As an important part of ERAS, multimodal analgesia is the core concept of perioperative analgesia management. As a kind of perioperative multimodal analgesia, quadratus lumbar muscle block (QLB) is a type of local anesthetic drug injected around the quadratus lumbar muscle to reduce or eliminate abdominal wall pain and visceral pain after abdominal surgery. QLB has been used successfully for pain control after laparoscopic and open surgery, reducing perioperative opioid use and improving prognosis-related measures such as PONV and length of hospital stay. Bupivacaine liposomes use DepoFoam technology to encapsulate the drug in polycystic liposomes, which can prolong the release time of bupivacaine due to the different rupture times of different vesicles, and the postoperative analgesia can be up to 72 hours. In this project, patients who undergo elective laparoscopic uterine and double adnexectomy were selected to be injected with lipososomes of bupivacaine at different concentrations under ultrasound guidance of bilateral posterior QLB before anesthesia induction, and the effect of liposomal bupivacaine on postoperative pain was investigated by evaluating the postoperative pain and incidence of adverse events. This study will greatly promote the clinical promotion and application of bupivacaine liposome, improve the postoperative comfort and satisfaction of patients, and accelerate the postoperative recovery of patients.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
200

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Nov 2023

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 30, 2023

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

February 25, 2024

Completed
5 days until next milestone

First Posted

Study publicly available on registry

March 1, 2024

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 31, 2024

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

November 29, 2024

Completed
Last Updated

March 1, 2024

Status Verified

February 1, 2024

Enrollment Period

8 months

First QC Date

February 25, 2024

Last Update Submit

February 29, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • NRS pain score within 72 hours after surgery

    After surgery (starting from the end of surgery), NRS was evaluated at 2h, 4h, 6h, 8h, 12h, 24h, 48h, and 72h

    Postoperative (starting from the end of the operation) 2 hours (h), 4h, 6h, 8h, 12h, 24h, 48h, 72h

Study Arms (4)

Ropivacaine injection group

PLACEBO COMPARATOR
Drug: Ropivacaine injection

Bupivacaine liposomal low-dose group

EXPERIMENTAL
Drug: Bupivacaine liposome

Bupivacaine liposomal medium-dose group

EXPERIMENTAL
Drug: Bupivacaine liposome

Bupivacaine liposomal high-dose group

EXPERIMENTAL
Drug: Bupivacaine liposome

Interventions

Ultrasound-guided bilateral QLB2 was performed using Ropivacaine injection prior to anesthesia induction

Also known as: Quadratus lumborum block
Ropivacaine injection group

Ultrasound-guided bilateral QLB2 was performed using Bupivacaine liposome injection prior to anesthesia induction

Also known as: Quadratus lumborum block
Bupivacaine liposomal high-dose groupBupivacaine liposomal low-dose groupBupivacaine liposomal medium-dose group

Eligibility Criteria

Age18 Years - 65 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • \) Age 18-65 years; 2) ASA grade I or II; 3) Patients who are scheduled to undergo elective laparoscopic hysterectomy or laparoscopic hysterectomy and double adnexectomy; 4) BMI of 19-29 kg/m2; 5) Patients who voluntarily sign the informed consent form.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Tianjin Medical University General Hospital

Tianjin, Tianjin Municipality, 300052, China

RECRUITING

MeSH Terms

Interventions

Ropivacaine

Intervention Hierarchy (Ancestors)

AnilidesAmidesOrganic ChemicalsAniline CompoundsAmines

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Resident Doctor

Study Record Dates

First Submitted

February 25, 2024

First Posted

March 1, 2024

Study Start

November 30, 2023

Primary Completion

July 31, 2024

Study Completion

November 29, 2024

Last Updated

March 1, 2024

Record last verified: 2024-02

Locations