NCT05506930

Brief Summary

Patients between the ages of 12 months and 11 years who are undergoing an open lower abdominal procedure will be randomized to receive intrathecal morphine, or bilateral quadratus lumborum block. The investigators will compare the effect that intrathecal morphine and quadratus lumborum blocks have on the duration of pain control as demonstrated by charted pain scores and morphine equivalents in the first 48 hours. This study will also assess the side effects of each intervention such as nausea and vomiting, and itching.

Trial Health

57
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Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
14

participants targeted

Target at below P25 for phase_4

Timeline
Completed

Started Aug 2022

Geographic Reach
1 country

1 active site

Status
terminated

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 12, 2022

Completed
5 days until next milestone

Study Start

First participant enrolled

August 17, 2022

Completed
1 day until next milestone

First Posted

Study publicly available on registry

August 18, 2022

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 9, 2024

Completed
1 day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 10, 2024

Completed
11 months until next milestone

Results Posted

Study results publicly available

April 15, 2025

Completed
Last Updated

April 15, 2025

Status Verified

April 1, 2025

Enrollment Period

1.7 years

First QC Date

August 12, 2022

Results QC Date

March 5, 2025

Last Update Submit

April 11, 2025

Conditions

Outcome Measures

Primary Outcomes (2)

  • Duration of Analgesia - Pain Score 0-10

    The primary endpoint will compare the effect that intrathecal morphine and quadratus lumborum blocks have on the duration of analgesia as demonstrated by charted pain scores in the first 24 hours. Pain scores were collected from the medical record on a scale from 0-10; the higher the score, the worse the outcome/pain. Time points in the 24 hours post op for each patient varied based on nursing care as the data was collected from the medical record.

    Up to 24 hours post-op

  • Duration of Analgesia - MME/kg in First 24 Hours

    The primary endpoint will compare the effect that intrathecal morphine and quadratus lumborum blocks have on the duration of analgesia as demonstrated by morphine milligram equivalents (MME)/kg in the first 24 hours. The higher the MME/kg, the worse the pain.

    Up to 24 hours post-op

Secondary Outcomes (5)

  • Number of Participants With Side Effects of Each Intervention

    up to 48 hours post-operative

  • Severity of Side Effects With Each Intervention

    0-48 hours post-operatively

  • Patient/Family Satisfaction

    up to 48 hours post-operative

  • Total Length of PACU Stay - Minutes

    time to discharge after surgery, (an expected average length of hospital stay is approximately 2-4 days)

  • Total Length of Hospital Stay - Length of Stay, Days

    time to discharge after surgery, (an expected average length of hospital stay is approximately 2-4 days)

Study Arms (2)

Intrathecal Morphine

ACTIVE COMPARATOR

Intrathecal Morphine: spinal (neuraxial) dose of preservative free morphine (duramorph), usually about 4-5mcg/kg

Drug: Intrathecal Morphine

quadratus lumborum block

ACTIVE COMPARATOR

Quadratus Lumborum Block: peripheral nerve block utilizing ropivacaine 0.2%, usually about ½ mL per kg per side (total dose approximately 1mL/kg).

Drug: Quadratus lumborum block

Interventions

One group of subjects will receive intrathecal morphine: spinal (neuraxial) dose of preservative free morphine (Duramorph), usually about 4-5mcg/kg. This is injected into the cerebrospinal fluid under sterile technique by a pediatric anesthesiologist while the subject is already under general anesthesia. This procedure is well-described in the pediatric population and used regularly for postoperative pain relief for a variety of procedures including ureteral reimplantation.

Also known as: ITM
Intrathecal Morphine

The second group of subjects will have bilateral quadratus lumborum blocks: peripheral nerve block utilizing ropivacaine 0.2%, usually about ½ mL per/ kg per side (total dose approximately 1mL/kg). This is injected in the subject's flank in the fascial plane between the quadratus lumborum muscle and the psoas muscle. Ultrasound guidance is used for needle and structure localization and this procedure is done by a pediatric anesthesiologist while the subject is already under general anesthesia. Quadratus lumborum blocks are regularly used in clinical practice for postoperative pain relief for a variety of abdominal procedures.

Also known as: QL
quadratus lumborum block

Eligibility Criteria

Age12 Months - 11 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)

You may qualify if:

  • Ages 12 months to 11 years old
  • Undergoing an open lower abdominal procedure

You may not qualify if:

  • Allergy to morphine or amide local anesthetics
  • Localized rash at site of planned regional anesthetic block
  • Bleeding diathesis
  • Spinal dysmorphism
  • Previous spinal surgery with instrumentation of the lumbar spine
  • Inability or unwillingness of parent or legal guardian to give informed consent.
  • Prior enrollment and randomization in this study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Medical University of South Carolina

Charleston, South Carolina, 29425, United States

Location

MeSH Terms

Conditions

Agnosia

Condition Hierarchy (Ancestors)

Perceptual DisordersNeurobehavioral ManifestationsNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
Natalie Barnett
Organization
Medical University of South Carolina

Study Officials

  • Natalie Barnett, MD

    Medical University of South Carolina

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Masking Details
The patient and their parent/guardians will be blinded.
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

August 12, 2022

First Posted

August 18, 2022

Study Start

August 17, 2022

Primary Completion

May 9, 2024

Study Completion

May 10, 2024

Last Updated

April 15, 2025

Results First Posted

April 15, 2025

Record last verified: 2025-04

Locations