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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03294109
Other study ID # 17-000598
Secondary ID
Status Completed
Phase Phase 4
First received
Last updated
Start date January 1, 2018
Est. completion date June 24, 2020

Study information

Verified date December 2021
Source University of California, Los Angeles
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

A blinded randomized control trial in living kidney donors. The study group will receive a liposomal bupivacaine Trans Quadratus Lumborum (TQL) block after the induction of general anesthesia. The following study variables will be collected postoperatively following arrival in the post-anesthesia care unit. Current and maximum intensity pain scores will be documented by nurses in Electronic Health Record (EHR). Total opiate dose consumed every 24 hours will be collected from the EHR and pain diary after discharge. Patient satisfaction will be evaluated using the Revised American Pain Society Patient Outcome Questionnaire (APS-POQ-R) 24 hours' post-procedure. Incidence of nausea will be extracted from nursing notes.


Description:

This is a blinded (patients are blinded and all the staff and the nurses who collect data are also blinded) randomized controlled trial in living kidney donors who have been approved by a multidisciplinary (nephrology, urology, psychiatry, and social work) team to proceed with donor nephrectomy. Patients will be approached to participate in the study only after they have agreed to kidney donation and have been informed of all of the associated risks. Participants are informed that they can withdraw from kidney donation at any time until they are in the operating room. Patients meeting these criteria, who also consent to participate in the study, will be randomized (standard of care pain medication vs TQL block). The ratio of male to female patients in each arm will be equal because of the known increased risks for post-operative nausea/vomiting (PONV) in females. The study group will receive a liposomal bupivacaine TQL block after the induction of general anesthesia and liposomal bupivacaine transverse abdominis plane (TAP) block after closure of the midline fascia. All patients including the control group will have infiltration of the skin edges with bupivacaine. Control patients will have a TAP block with 5 cc of bupivacaine on both sides. A placebo 22g needle will be placed at the same site as the TQL block without injection. Intra-operative narcotics will be administered by the anesthesia team based on standard criteria. All participants will receive intravenous ketorolac and acetaminophen at the end of the procedure. Intravenous ketorolac will be continued for 24 hours while hospitalized. Post-operative pain management with intermittent parenteral and enteral narcotics as needed will be the same in both groups. Liposomal bupivacaine block administration: After induction of general anesthesia, surgical team will turn the patient to the lateral position (final position for surgery). After prep with and drape, investigators will place ultrasound probe in mid- posterior axillary line, just above iliac crest. The investigators will identify abdominal wall muscles including external oblique, internal oblique, transverse abdominis, and quadratus lumborum as well as thoracolumbar fascia with the help of ultrasound. Then, investigators will insert a 22g nerve block needle and advanced it under direct guidance of ultrasound until it is below the fascial covering of the quadratus lumborum muscle layer or its fascia which forms a continuous fascia compartment with thoracolumbar fascia. After aspiration to rule out intravascular location of the needle, investigators will be inject 20 mL of liposomal bupivacaine mixed with 10ml of normal saline under ultrasound guidance, to monitor spread of the injected fluid . The investigators will aspirate repeatedly every 5cc of local anesthetic. The investigators will remove the needle upon completion of the injection. The following study variables will be collected postoperatively following arrival in the post-anesthesia care unit. Current and maximum intensity pain scores will be documented by nurses in EHR. Total opiate dose consumed every 24 hours will be collected from the EHR and pain diary after discharge. Patient satisfaction will be evaluated using the Revised American Pain Society Patient Outcome Questionnaire (APS-POQ-R) 24 hours' post-procedure. Incidence of nausea will be extracted from nursing notes Complications will be documented by anesthesia pain service that will follow these patients while admitted. Outpatient use of narcotics, pain assessment, bowel function, sexual function complications from the block or the donor surgery, and attitudes toward kidney donation will be evaluated with validated survey instruments. Please see the timeline for the collection of the data prior to and after kidney donation. The survey data will be collected using secure links to a REDCap server 3, 5, 10, 30, and 90 days after surgery.


Recruitment information / eligibility

Status Completed
Enrollment 146
Est. completion date June 24, 2020
Est. primary completion date June 24, 2020
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Patients undergoing laparoscopic donor nephrectomy Exclusion Criteria: - Pregnancy - Systemic or local infection at the potential block site. - Allergy or hypersensitivity to the local anesthetic, - Possible variations in surgical approach to donor nephrectomy other than what is defined in this protocol. - Scarring or anatomic abnormality over the proposed injection site

Study Design


Intervention

Drug:
Abdominal wall block with liposomal bupivicaine
Abdominal wall block with liposomal bupivicaine

Locations

Country Name City State
United States Connie Frank Kidney Transplant Center Los Angeles California

Sponsors (1)

Lead Sponsor Collaborator
University of California, Los Angeles

Country where clinical trial is conducted

United States, 

References & Publications (5)

Blanco R, Ansari T, Girgis E. Quadratus lumborum block for postoperative pain after caesarean section: A randomised controlled trial. Eur J Anaesthesiol. 2015 Nov;32(11):812-8. doi: 10.1097/EJA.0000000000000299. — View Citation

Børglum J, Gögenür I, Bendtsen TF. Abdominal wall blocks in adults. Curr Opin Anaesthesiol. 2016 Oct;29(5):638-43. doi: 10.1097/ACO.0000000000000378. Review. — View Citation

Dam M, Moriggl B, Hansen CK, Hoermann R, Bendtsen TF, Børglum J. The Pathway of Injectate Spread With the Transmuscular Quadratus Lumborum Block: A Cadaver Study. Anesth Analg. 2017 Jul;125(1):303-312. doi: 10.1213/ANE.0000000000001922. — View Citation

Hansen CK, Dam M, Bendtsen TF, Børglum J. Ultrasound-Guided Quadratus Lumborum Blocks: Definition of the Clinical Relevant Endpoint of Injection and the Safest Approach. A A Case Rep. 2016 Jan 15;6(2):39. doi: 10.1213/XAA.0000000000000270. — View Citation

Wikner M. Unexpected motor weakness following quadratus lumborum block for gynaecological laparoscopy. Anaesthesia. 2017 Feb;72(2):230-232. doi: 10.1111/anae.13754. Epub 2016 Nov 28. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Change in Pain Score Visual Analog Score (VAS) for pain, scores range from 0-10, with lower scores indicating lower pain level 3 days post-op
Secondary Patient Satisfaction With Pain Management The Revised American Pain Society Patient Outcome Questionnaire (APS-POQ-R) survey score on variable "Satisfaction with Pain Treatments." This is a scale ranging from 0-10, with 0 being extremely dissatisfied, a poor outcome, with pain treatment to 10 being extremely satisfied, a better outcome. Day 1
Secondary Nausea and Vomiting, Defined as Requiring Pre-op Scopolamine Patch or Rescue Antiemetics Number of patients requiring pre-op scopolamine patch, and number of patients requiring rescue antiemetics in PACU. Day 1
Secondary Return of Bowel Function Bowl activity survey asked participants how big a problem the bowel function was after surgery, on a scale of 1 (no problem) to 5 (a big problem). Day 5
Secondary Participants Experiencing Complications Related to Surgery or Block Number of participants that experienced a related complication in each arm Duration of inpatient stay, up to 5 days
Secondary Opioid Use Dose/Day Milligram Morphine Equivalent /day Day 3
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