- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05374824
Comparative Effectiveness of Palliative Surgery Versus Additional Anti-Seizure Medications for Lennox-Gastaut Syndrome
Comparative Effectiveness of Palliative Surgery Versus Additional Anti-Seizure Medications for Lennox-Gastaut Syndrome - PCORI
Lennox-Gastaut syndrome is a serious and rare form of epilepsy that begins in infancy and early childhood. Seizures and their consequences need medical attention, emergency encounters, and hospitalizations. Seizures disrupt home life for the patient and for family. Lennox-Gastaut syndrome is typically accompanied by disabilities in motor, communication, eating, and other skills needed for daily function.
Lennox-Gastaut syndrome (LGS) has no cure. Although current treatments may help reduce the number of seizures, none are expected to eliminate them entirely; these treatments are palliative. The main treatments include anti-seizure medications and some surgical approaches, including the implantation of a vagus nerve stimulator (a pacemaker-like generator implanted in the chest wall and programmed by a physician to stimulate the vagus nerve in the neck) and corpus callosotomy (cutting through the band of fibers that connect the two sides of the brain). While both types of treatment (medications and surgeries) produce some benefit by reducing how often the seizures occur, both also have some risks. All medications can, in some patients, produce moderate to severe side effects. This is true of anti-seizure medications. Most patients with LGS take several anti-seizure medications at a time. Surgeries can also have associated risks and is additionally stressful for parents and family members. Currently, there is no strong evidence to support parents and physicians in deciding which type of treatment (more medicines or surgery) will be most successful for a child with LGS, and whether one or the other approach may lessen the toll that seizures take on a child's development and ability to function.
This study has two components. It will engage a network of seven pediatric hospitals in the United States where children with Lennox-Gastaut syndrome are cared for and determine whether seizure-related emergency department visits and hospitalizations are more likely to be reduced following the use of additional medications or adding palliative surgery to existing medications. The investigators will determine whether medical versus surgical treatment is more likely to lessen some of the developmental and functional difficulties that affect patients with LGS. The study will also determine whether starting therapies at a younger versus older age makes a difference.
The second component of the study will provide a description of the use of surgical versus medical treatment approaches across 18 pediatric hospitals in the United States (seven plus 11 centers). The investigators will describe how treatments differ across hospitals and over time.
The results from this study will help parents and providers make more informed choices about treatment for children with Lennox-Gastaut syndrome and will highlight areas for improvement in providing the best possible health care for this severe, lifelong disorder.
Study Overview
Status
Conditions
Detailed Description
Background and Significance: Lennox-Gastaut Syndrome (LGS) is a rare developmental-epileptic encephalopathy characterized by life-long refractory seizures which result in frequent utilization of emergency healthcare resources and also contribute to the severe developmental and functional impairment ubiquitously seen in affected patients. Current treatment pathways are the addition of anti-seizure medication treatment or palliative surgical procedures (including neurostimulation), both of which have strong evidence supporting their effectiveness in reducing seizure frequency, but without cures. No evidence exists about the comparative effectiveness of these two pathways. Until such evidence is developed, parents and physicians will continue to struggle with difficult and daunting decisions about whether to add anti-seizure medications or to pursue palliative surgery, and when to do so.
Study Aims: Determine the comparative effectiveness of adding palliative surgery versus adding an LGS-approved medication (Aim 1a) for decreasing utilization of seizure-related emergency health care and (Aim 1b) for limiting the impairment of functional abilities. (Aim 2) Describe the frequency and patterns of utilization of the two therapy pathways at 18 PCORnet sites for variation over time and across sites as well as by patient features - age, medical fragility, race, ethnicity, and insurance type. In addressing these aims, the study will assess and improve PCORnet infrastructure and will enhance methods for future studies of LGS and other rare epilepsies.
Study Description: (Aim 1a) Observational retrospective cohort study of emergency health-care utilization and (Aim 1b) cross sectional study of the impact of treatment pathways on functional outcomes. (Aim 2) Retrospective open cohort study of frequency and patterns (by race, ethnicity, insurance, age) of utilization of the two treatment pathways.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Sandi Lam, MD MBA
- Phone Number: 312 227 4220
- Email: slam@luriechildrens.org
Study Contact Backup
- Name: Marc Rosenman, MD
- Phone Number: 312 227 4220
- Email: mrosenman@luriechildrens.org
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
Patients with the diagnosis of Lennox Gastaut syndrome with medical records at the seven plus eleven pediatric centers
Exclusion Criteria:
Patients without Lennox Gastaut Syndrome
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Seizure-related emergency health care utilization
Time Frame: 2 years
|
Emergency health-care utilization for Aim 1a will be defined as the frequency per year of seizure-related emergency department visits and separately seizure-related inpatient admissions in the two years postintervention (surgery or medical), with adjustment for the rate during the year prior to intervention.
|
2 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Parent-reported Clinical Outcome Assessments
Time Frame: 2 years
|
Parent-reported Clinical Outcome Assessments to measure behavior and function for Aim 1b include the Adaptive Behavior Assessment System (0-5 years, parent-report).
These measures will be assessed once.
|
2 years
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Sandi Lam, MD MBA, Ann and Robert H. Lurie Children's Hospital of Chicago
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (ANTICIPATED)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2021-4532
- RD-2020C2-20356 (OTHER_GRANT: PCORI)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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.
Clinical Trials on Lennox Gastaut Syndrome
-
Eisai Inc.TerminatedLennox-Gastaut Syndrome (LGS)Korea, Republic of, United States, Australia, Belgium, Japan, Czechia, India
-
TakedaCompletedLennox Gastaut Syndrome (LGS)United States, China, Canada, France, Hungary, Australia, Poland, Spain, Japan, Belgium, Greece, Serbia, Germany, Italy, Latvia, Netherlands, Russian Federation, Ukraine
-
TakedaRecruitingLennox Gastaut Syndrome (LGS) | Dravet Syndrome (DS)United States, China, Spain, France, Belgium, Australia, Brazil, Canada, Germany, Greece, Hungary, Italy, Japan, Latvia, Netherlands, Poland, Serbia, Mexico, Russian Federation, Ukraine
-
University College, LondonKing's College London; King's College Hospital NHS Trust; University of Oxford; Great Ormond Street Hospital for Children NHS Foundation TrustRecruitingEpilepsy | Lennox-Gastaut Syndrome, IntractableUnited Kingdom
-
TakedaRecruitingDravet Syndrome (DS) | Lennox-Gastaut Syndrome (LGS)Spain
-
NeuroPaceNational Institute of Neurological Disorders and Stroke (NINDS); University...RecruitingEpilepsy | Seizures | Lennox Gastaut Syndrome | Lennox-Gastaut Syndrome, Intractable | Seizures, GeneralizedUnited States
-
TakedaActive, not recruitingEpilepsy | Dravet Syndrome (DS) | Lennox-Gastaut Syndrome (LGS)United States, Canada, Australia, China, Israel, Poland, Spain, Portugal
-
GlaxoSmithKlineBausch Health Americas, Inc.Terminated
-
EpygenixNot yet recruiting
-
Eisai LimitedCompletedLennox-Gastaut SyndromeJapan