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Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Quadratus Lumborum (QL) Block Clear all
Not yet recruiting Phase 4 Interventional

Impact of Preoperative Quadratus Lumborum Block on Postoperative Opioid Consumption After Laparoscopic Hysterectomy

NCT06709716
View directory record Official record
Conditions
Postoperative Pain, Laparoscopic Hysterectomy, Nerve Block, Quadratus Lumborum Block
Interventions
Quadratus Lumborum Block (QLB), Quadratus lumborum block, Local Anesthetic Solution
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years and older · Female only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 28, 2024 · Synced Sep 25, 2026, 2:13 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Ultrasound Guided Posterior Quadratus Lumborum Block for Postoperative Analgesia in Gynecologic Surgery

NCT04549090
View directory record Official record
Conditions
Post-operative Pain, Gynecologic Surgery, Regional Anesthesia
Interventions
QL (quadratus lumborum) block administration
Drug
Lead sponsor
Pedram Bral
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Sep 25, 2026, 2:13 PM 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 4, 2023 · Synced Sep 25, 2026, 2:13 PM EDT
Completed Not applicable Interventional

Effects of Continuous Bilateral QL Analgesia After Open Abdominal Surgery

NCT02684968
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Colorectal surgery
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 8, 2021 · Synced Sep 25, 2026, 2:13 PM 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 15, 2025 · Synced Sep 25, 2026, 2:13 PM EDT
Enrolling by invitation Early Phase 1 Interventional

Quadratus Lumborum Block for Total Hip Arthroplasty

NCT05247255
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Active Comparator, Placebo Comparator
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 25, 2026, 2:13 PM 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 4, 2024 · Synced Sep 25, 2026, 2:13 PM 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 9, 2021 · Synced Sep 25, 2026, 2:13 PM EDT
Completed Phase 3 Interventional Results available

Comparing Liposomal Bupivacaine Versus Standard Bupivacaine in Colorectal Surgery

NCT03702621
View directory record Official record
Conditions
Colorectal Surgery
Interventions
liposomal Bupivacaine, Bupivacaine Hydrochloride
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 16, 2023 · Synced Sep 25, 2026, 2:13 PM 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 3, 2023 · Synced Sep 25, 2026, 2:13 PM EDT
Completed Phase 4 Interventional

Transmuscular Quadratus Lumborum Block Plus Pericapsular Injection vs Pericapsular Injection

NCT04353414
View directory record Official record
Conditions
Hip Pain Chronic
Interventions
Transmuscular Quadratus Lumborum Block, Pericapsular injection, Bupivacaine Hydrochloride
Procedure · Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Sep 25, 2026, 2:13 PM EDT
Completed Not applicable Interventional Results available

QL vs PENG for Analgesia After Hip Arthroplasty

NCT05710107
View directory record Official record
Conditions
Block, Hip Replacement, Postoperative Pain
Interventions
PENG + LFC Block, QL Block
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Sep 25, 2026, 2:13 PM EDT
Completed Phase 2 Interventional Results available

Repeat Quadratus Lumborum Block to Reduce Opioid Need in Patients After Pancreatic Surgery

NCT03745794
View directory record Official record
Conditions
Pancreatic Carcinoma
Interventions
Best Practice, Quadratus Lumborum Block, Quality-of-Life Assessment, Questionnaire Administration
Other · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Sep 25, 2026, 2:13 PM 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 Apr 13, 2026 · Synced Sep 25, 2026, 2:13 PM EDT
Completed Phase 4 Interventional Results available

The Role of Quadratus Lumborum Blocks Following Minimally Invasive Hysterectomy

NCT05480111
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Local anesthesia at incision site, Sham QL, Sham Local, QL
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older · Female only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Sep 25, 2026, 2:13 PM 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 8, 2026 · Synced Sep 25, 2026, 2:13 PM 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 26, 2023 · Synced Sep 25, 2026, 2:13 PM EDT
Completed Not applicable Interventional

Comparing the Efficacy of Epidural and Quadratus Lumborum Analgesia After Open Nephrectomy Surgery

NCT03110081
View directory record Official record
Conditions
Open Nephrectomy Surgery
Interventions
Quadratus lumborum block, Epidural analgesia
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
Not listed
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Sep 25, 2026, 2:13 PM 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 1, 2022 · Synced Sep 25, 2026, 2:13 PM 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 13, 2020 · Synced Sep 25, 2026, 2:13 PM EDT
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 14, 2021 · Synced Sep 25, 2026, 2:13 PM EDT
Terminated Phase 4 Interventional Results available

Postoperative Pain Control Following Renal Transplant

NCT05044429
View directory record Official record
Conditions
Kidney Transplant; Complications, Pain, Postoperative
Interventions
Intravenous Lidocaine, Transversus abdominis plane (TAP) block, Quadratus Lumborum (QL) Block
Drug
Lead sponsor
George Washington University
Other
Eligibility
18 Years to 99 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 17, 2024 · Synced Sep 25, 2026, 2:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Quadratus Lumborum Block for Analgesia Following Hip Arthroscopy

NCT03557125
View directory record Official record
Conditions
Surgery
Interventions
QL Block, Saline Skin Wheel
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Sep 25, 2026, 2:13 PM 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 3, 2025 · Synced Sep 25, 2026, 2:13 PM EDT