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Nerve Block

Quadratus Lumborum Block for Postoperative Pain

Phase 4
Waitlist Available
Led By Kathryn A Edmonds, MD
Research Sponsored by Walter Reed National Military Medical Center
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
18 years or older
Scheduled to undergo laparoscopic hysterectomy
Must not have
Inability to receive oxycodone
Case converted to laparotomy
Timeline
Screening 3 weeks
Treatment Varies
Follow Up from time of arrival in the pacu to time of transfer to the second phase of post-operative care. anticipated to be about 1-3 hours post-operative. will be assessed up to 12 hours after surgery if the patient remains in the pacu.
Awards & highlights
No Placebo-Only Group
Pivotal Trial
Drug Has Already Been Approved

Summary

This trial aims to see if a nerve block called quadratus lumborum (QL) block can help with pain control during and after laparoscopic hysterectomy. Researchers want to know if using Q

Who is the study for?
This trial is for individuals scheduled for laparoscopic hysterectomy who are interested in better pain control. Participants must attend standard pre-operative and post-operative appointments, as well as complete short questionnaires on their pain levels at specified times after surgery.
What is being tested?
The study tests if a QL block with liposomal bupivacaine before surgery reduces the need for narcotic medication during and after the procedure compared to just local numbing at incision sites. Patients will be randomly assigned to receive either the QL block or placebo plus local anesthetic.
What are the potential side effects?
Potential side effects may include discomfort or bruising at the injection site, allergic reactions to anesthetics, nerve damage, infection risk from injections, and typical surgical risks like bleeding.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
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I am 18 years old or older.
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I am scheduled for a laparoscopic hysterectomy.

Exclusion Criteria

You may be eligible for the trial if you check “No” for criteria below:
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I cannot take oxycodone.
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My surgery was changed to an open procedure.
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I cannot have a QL block done on both sides of my body.
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I have used opioids before surgery.
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I am scheduled for a non-gynecologic abdominal procedure, like hernia repair.
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I cannot take NSAIDs.
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I am scheduled for surgery to fix prolapse or incontinence.
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I cannot receive certain pain medications.
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I am scheduled for or have had a surgery with an incision larger than 2cm.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~from time of arrival in the pacu to time of transfer to the second phase of post-operative care. anticipated to be about 1-3 hours post-operative. will be assessed up to 12 hours after surgery if the patient remains in the pacu.
This trial's timeline: 3 weeks for screening, Varies for treatment, and from time of arrival in the pacu to time of transfer to the second phase of post-operative care. anticipated to be about 1-3 hours post-operative. will be assessed up to 12 hours after surgery if the patient remains in the pacu. for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Immediate post-operative opioid use
Intraoperative opioid use
Secondary study objectives
Opioid use after discharge
Pain scores after discharge
Pain scores during inpatient post-operative care
+3 more

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.
Pivotal Trial
The final step before approval, pivotal trials feature drugs that have already shown basic safety & efficacy.
Drug Has Already Been Approved
The FDA has already approved this drug, and is just seeking more data.

Trial Design

2Treatment groups
Experimental Treatment
Active Control
Group I: Preoperative QL block with liposomal bupivacaine, intra-operative incisional injections with placeboExperimental Treatment2 Interventions
Subjects will receive a pre-operative quadratus lumborum nerve block with liposomal bupivacaine and then an intra-operative placebo injection at each incision site with saline.
Group II: Preoperative QL block with placebo, intra-operative incisional injection with bupivacaineActive Control2 Interventions
Subjects will undergo a sham pre-operative quadratus lumborum block procedure with saline and then an intra-operative injection of local anesthetic (0.25% bupivacaine) at each incision site.
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Local Anesthetic Solution
2019
Completed Phase 3
~180
Quadratus Lumborum Block (QLB)
2022
Completed Phase 4
~150

Find a Location

Who is running the clinical trial?

Walter Reed National Military Medical CenterLead Sponsor
143 Previous Clinical Trials
33,251 Total Patients Enrolled
2 Trials studying Postoperative Pain
240 Patients Enrolled for Postoperative Pain
Kathryn A Edmonds, MDPrincipal InvestigatorWalter Reed National Military Medical Center
~51 spots leftby Dec 2025