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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06288841
Other study ID # TJMZ2023-008
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date November 30, 2023
Est. completion date November 29, 2024

Study information

Verified date February 2024
Source Tianjin Medical University General Hospital
Contact Ning Luo
Phone 13622098703
Email ningluo1996@163.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial 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.


Recruitment information / eligibility

Status Recruiting
Enrollment 200
Est. completion date November 29, 2024
Est. primary completion date July 31, 2024
Accepts healthy volunteers No
Gender Female
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria: - 1) 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. Exclusion Criteria: - 1) Those who are known to be allergic to the drug components of this study and have allergic constitution; 2) History of allergy to general anesthetic drugs, opioids, and non-steroidal drugs; 3) Patients who need to switch to laparotomy for various reasons; 4) history of neurological disease; History of chronic pain; drug addiction and alcohol abuse; History of long-term opioid use; Opioids are given 48 hours before surgery; 5) ASA grade III or IV; 6) Coronary heart disease, bronchial asthma, severe hypertension, severe hematologic dysfunction, liver and kidney function, and obvious abnormalities in electrolytes; 7) Patients with severe gastrointestinal diseases; 8) Patients who refuse to use intravenous PCIA for analgesia; 9) Pregnant or lactating women; 10) Patients with infection in the skin of the abdominal injection area; 11) Patients with rheumatoid or inflammatory arthritis or diseases requiring chronic analgesic treatment; 12) Patients who have been treated for deep vein thrombosis, pulmonary embolism, myocardial infarction or ischemic stroke in the past 6 months; 13) Those who have poor compliance and cannot complete the test according to the research protocol; 14) Those who have participated in clinical trials of other drugs in the past 4 weeks; 15) Any circumstances that, in the opinion of the investigators, are not suitable for inclusion.

Study Design


Related Conditions & MeSH terms


Intervention

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

Locations

Country Name City State
China Tianjin Medical University General Hospital Tianjin Tianjin

Sponsors (1)

Lead Sponsor Collaborator
Tianjin Medical University General Hospital

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary 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
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