- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05247255
Quadratus Lumborum Block for Total Hip Arthroplasty
December 16, 2023 updated by: Pamela Chia, University of California, Los Angeles
Quadratus Lumborum (QL) Nerve Block for Patients Undergoing Primary Total Hip Arthroplasty (THA)
The quadratus lumborum (QL) block is a fascial plane block that has been described to provide analgesia from T7-L3 dermatomes.
The investigators aim to evaluate the efficacy of QL blocks in patients undergoing primary total hip arthroplasty (THA).
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Detailed Description
Investigators will enroll subjects planned for primary THA and allocate them into receiving a QL block with either saline or ropivacaine.
Primary outcome will be pain scores over the first 48 hours after surgery.
Study Type
Interventional
Enrollment (Estimated)
80
Phase
- Early Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Jennifer Scovotti, MA
- Phone Number: 310-206-4484
- Email: jscovotti@mednet.ucla.edu
Study Contact Backup
- Name: Pamela Chia, MD
- Phone Number: 310-267-83217
- Email: pchia@mednet.ucla.edu
Study Locations
-
-
California
-
Santa Monica, California, United States, 90404
- Recruiting
- UCLA Medical Center, Santa Monica
-
Contact:
- Jennifer Scovotti, MA
- Phone Number: 310-206-4484
- Email: jscovotti@mednet.ucla.edu
-
Contact:
- Pamela Chia, MD
- Phone Number: 310-267-3217
- Email: pchia@mednet.ucla.edu
-
Principal Investigator:
- Pamela Chia, MD
-
Sub-Investigator:
- Alexandra Stavrakis, MD
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Adult subjects undergoing elective primary total hip arthroplasty
Exclusion Criteria:
- patients age < 18,
- documented allergy to local anesthetic
- presence of peripheral neuropathy
- patients with current long term opioid use defined as receiving an opioid on most days in a 90 day period
- patients with a contraindication to spinal and regional anesthesia such as coagulopathy or infection at the site of the regional technique.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Intervention Group
Quadratus lumborum nerve block with 0.25% ropivacaine
|
QL block with 0.25% ropivacaine
|
Placebo Comparator: Control Group
Quadratus lumborum nerve block with saline
|
QL block with saline
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pain score
Time Frame: Up to 48 hrs post op
|
Pain scores will be assessed over 48hrs postop using the visual analog score
|
Up to 48 hrs post op
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Opioid usage
Time Frame: Up to 48 hrs post op
|
Total morphine-equivalent will be calculated at 0-24hrs and 24-48hrs postop.
|
Up to 48 hrs post op
|
Time to first stand
Time Frame: Up to 1 week post surgery
|
The period between the end of surgery and the patient's first successful attempt at standing, with or without the assistance of devices (i.e.
walker, cane) or staff assistance.
|
Up to 1 week post surgery
|
Time to first ambulation
Time Frame: Up to 1 week post surgery
|
Time to first ambulation of 50 feet or more, with or without the help of assist devices (i.e.
walker, cane) or staff assistance.
|
Up to 1 week post surgery
|
Ambulation distance
Time Frame: Up to 1 week post surgery
|
This data point will be measured in feet and will be determined by the distance ambulated during the patient's first ambulation attempt after surgery, regardless of the length of ambulation (This distance will be counted regardless of whether the patient reaches the 50 feet requirement to be counted as the "time to first ambulation).
|
Up to 1 week post surgery
|
Length of hospital stay
Time Frame: Until discharge from hospital, up to 1 week post surgery
|
Number of days in the hospital from postoperative day 0 to discharge
|
Until discharge from hospital, up to 1 week post surgery
|
Patient satisfaction
Time Frame: Until day of discharge from the hospital, up to 1 week post surgery
|
Patient satisfaction score will be assessed on day of discharge as measured by a 5-point scale with 1 = terrible, 2 = poor, 3 = satisfactory, 4 = good, and 5 = excellent.
|
Until day of discharge from the hospital, up to 1 week post surgery
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Pamela Chia, MD, University of California, Los Angeles
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
March 29, 2022
Primary Completion (Estimated)
February 1, 2025
Study Completion (Estimated)
March 1, 2025
Study Registration Dates
First Submitted
January 30, 2022
First Submitted That Met QC Criteria
February 9, 2022
First Posted (Actual)
February 18, 2022
Study Record Updates
Last Update Posted (Estimated)
December 19, 2023
Last Update Submitted That Met QC Criteria
December 16, 2023
Last Verified
December 1, 2023
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 21-001850
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
Yes
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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