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ClinicalTrials.gov public records Last synced Oct 25, 2026, 11:02 AM EDT

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Showing 25–44 of 44 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: QL block Clear all
Completed Phase 4 Interventional Results available

Lumbar Plexus vs Quadratus Lumborum Block in Post-operative Pain Following Total Hip Replacement

NCT03801265
View directory record Official record
Conditions
Hip Osteoarthritis
Interventions
Lumbar plexus block, Quadratus lumborum type 3 block, Ropivacaine injection
Procedure · Drug
Lead sponsor
Sharad Khetarpal
Other
Eligibility
18 Years to 90 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 15, 2021 · Synced Oct 25, 2026, 11:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

QL vs LP Blocks for Analgesia Following THA

NCT04402437
View directory record Official record
Conditions
Surgery
Interventions
LP Block, QL Block
Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 2, 2022 · Synced Oct 25, 2026, 11:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Quadratus Lumborum Block Versus Transversus Abdominus Plane Block for Pain Management After Donor Nephrectomy

NCT03476850
View directory record Official record
Conditions
Kidney Donor
Interventions
QL Block, TAP Block
Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 14, 2020 · Synced Oct 25, 2026, 11:02 AM EDT
Completed Phase 4 Interventional Results available

QL Block With Exparel in Colectomy

NCT03827291
View directory record Official record
Conditions
Laparotomy, Colectomy
Interventions
Exparel, Thoracic epidural analgesia
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 85 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 16, 2025 · Synced Oct 25, 2026, 11:02 AM EDT
Completed Phase 4 Interventional Results available

Efficacy Of Quadratus Lumborum II Block For Laparoscopic Sleeve Gastrectomy

NCT04073056
View directory record Official record
Conditions
Morbid Obesity, High BMI
Interventions
Bupivacaine
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 65 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 5, 2023 · Synced Oct 25, 2026, 11:02 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Repeat or Single Quadratus Lumborum Block for the Reduction of Opioid Prescriptions After Surgery in Retroperitoneal Sarcoma Patients ("RESQU-SARC" Trial)

NCT04189783
View directory record Official record
Conditions
Retroperitoneal Sarcoma
Interventions
Liposomal Bupivacaine, Quadratus Lumborum Block, Questionnaire Administration
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 25, 2026, 11:02 AM EDT
Completed Phase 2 Interventional Results available

IINB vs. QLB for Elective Open Inguinal Herniorrhaphy

NCT03007966
View directory record Official record
Conditions
Nerve Block, Herniorrhaphy, Regional Anesthesia
Interventions
Ilioinguinal / Iliohypogastric Block, Quadratus Lumborum Block, Bupivacaine 0.25%, Epinephrine 1:200k, Clonidine 1.66mcg/cc
Procedure · Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 18, 2019 · Synced Oct 25, 2026, 11:02 AM EDT
Recruiting Not applicable Interventional

QL vs LAI for Palatoplasty

NCT06420336
View directory record Official record
Conditions
Post-operative Pain, Opioid Use, Cleft Palate
Interventions
Quadratus lumborum block, Local anesthetic infiltration
Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
6 Years to 18 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 25, 2026, 11:02 AM EDT
Recruiting Not applicable Interventional

Efficacy of Perioperative Opioid Sparing Techniques on Time to Initiation of Chemotherapy

NCT07153614
View directory record Official record
Conditions
Perioperative Opioid Sparing Techniques
Interventions
Intrathecal Morphine Block, Bilateral Quadratus Lumborum Block, Bilateral Transverse Abdominis Plane Block
Procedure
Lead sponsor
University of Tennessee Graduate School of Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Oct 25, 2026, 11:02 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Lidocaine Infusion or Quadratus Lumborum Block and Intrathecal Morphine, Versus Intrathecal Morphine Alone

NCT03658109
View directory record Official record
Conditions
Gynecologic Cancer
Interventions
Lidocaine Bolus Infusion, QL block, Saline Bolus Infusion, Simulated QL block
Drug · Procedure
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 69 Years · Female only
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 10, 2021 · Synced Oct 25, 2026, 11:02 AM EDT
Completed Not applicable Interventional

Comparing 3 Different Types of Pain Blocks After Laparoscopic Nephrectomy

NCT03581539
View directory record Official record
Conditions
Nephrectomy
Interventions
Transverses Abdominis Plane (TAP) block, Quadratus Lumborum (QL) block, Surgeon Infiltration using Exparel
Procedure
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 27, 2023 · Synced Oct 25, 2026, 11:02 AM EDT
Withdrawn Phase 4 Interventional

Rescue Quadratus Lumborum Blocks for Post-cesarean Pain

NCT04397458
View directory record Official record
Conditions
Morphine, Analgesics, Analgesics, Opioid, Peripheral Nervous System Agents
Interventions
Saline, Bupivacaine, Dexamethasone
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 50 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 3, 2023 · Synced Oct 25, 2026, 11:02 AM EDT
Completed Phase 4 Interventional Results available

Surgeon Infiltration QL Block Comparison

NCT03496610
View directory record Official record
Conditions
Quadratus Lumborum Block, Surgical Wound Infiltration
Interventions
Liposomal Bupivicaine, QL Block
Drug · Procedure
Lead sponsor
Duke University
Other
Eligibility
18 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 5, 2024 · Synced Oct 25, 2026, 11:02 AM EDT
Active, not recruiting No phase listed Observational

Long Term Follow up of Children Enrolled in the REDvent Study

NCT03709199
View directory record Official record
Conditions
Respiratory Distress Syndrome, Adult, Ventilator-Induced Lung Injury, Neurocognitive Dysfunction, Quality of Life, Respiration Disorders
Interventions
Ventilation Inhomogeneity, Diaphragm Ultrasound, Respiratory Inductance Plethysmography, Spirometry, Functional Residual Capacity, MIP/MEP, 6 minute walk test, Neurocognitive Testing, Emotional Health Assessment, Health Related Quality of Life, Functional Status, Respiratory Status Questionnaire
Diagnostic Test
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
1 Month to 18 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Oct 25, 2026, 11:02 AM EDT
Completed Not applicable Interventional

Lumbar Plexus Block Versus Quadratus Lumborum Block for Primary Anterior Total Hip Arthroplasty

NCT03409900
View directory record Official record
Conditions
Osteoarthritis, Total Hip Arthroplasty
Interventions
LPB, QLB
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 95 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Oct 25, 2026, 11:02 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Impact of Quadratus Lumborum Block on Recovery Profile After Ventral Hernia Repair

NCT03794882
View directory record Official record
Conditions
Pain, Postoperative, Opioid Use
Interventions
Quadratus Lumborum Block, Standard Medical Management
Combination Product · Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 80 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 21, 2022 · Synced Oct 25, 2026, 11:02 AM EDT
Completed Phase 4 Interventional Results available

Volume Versus Concentration: Clinical Effectiveness of Single Shot Quadrates Lumborum Block Using Either a High Volume/Low Concentration or Low Volume/High Concentration Injectate for Total Hip Arthroplasty.

NCT04259645
View directory record Official record
Conditions
Acute Pain
Interventions
Drug: Bupivacaine 0.375% 20 mL, Drug: Bupivacaine 0.375% diluted to 0.1875%
Drug
Lead sponsor
Anna Uskova
Other
Eligibility
18 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced Oct 25, 2026, 11:02 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

ESP vs QL for Total Abdominal Hysterectomy

NCT04074226
View directory record Official record
Conditions
Postoperative Pain
Interventions
Erector Spinae Plane block, Quadratus Lumborum Block
Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 4, 2023 · Synced Oct 25, 2026, 11:02 AM EDT
Terminated Phase 3 Interventional Results available

Comparison of Quadratus Lumborum Block Types

NCT04588389
View directory record Official record
Conditions
Pain, Opioid Use, Lumbar Disc Herniation
Interventions
Ropivacaine injection Location 1, Ropivacaine injection Location 2, Multimodal Pharmacological Management
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
40 Years to 80 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Oct 25, 2026, 11:02 AM EDT
Recruiting Phase 4 Interventional

QL Block in Laparoscopic Myomectomy

NCT05979493
View directory record Official record
Conditions
Postoperative Pain, Fibroid Uterus
Interventions
Bupivacain, Saline
Drug
Lead sponsor
Joseph Findley MD
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Beachwood, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 25, 2026, 11:02 AM EDT