NCT02126774

Brief Summary

HEP is a five-year, prospective, observational study whose primary goal is to identify clinical characteristics and biomarkers predictive of disease outcome, progression, and treatment response in participants with newly treated focal epilepsy.

Trial Health

90
On Track

Trial Health Score

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

Enrollment
488

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jul 2012

Longer than P75 for all trials

Geographic Reach
3 countries

30 active sites

Status
completed

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

Study Start

First participant enrolled

July 1, 2012

Completed
1.8 years until next milestone

First Submitted

Initial submission to the registry

April 28, 2014

Completed
2 days until next milestone

First Posted

Study publicly available on registry

April 30, 2014

Completed
5.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 31, 2020

Completed
1.3 years until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2021

Completed
Last Updated

July 6, 2021

Status Verified

July 1, 2021

Enrollment Period

7.8 years

First QC Date

April 28, 2014

Last Update Submit

July 2, 2021

Conditions

Keywords

epilepsyfocal epilepsy

Outcome Measures

Primary Outcomes (1)

  • Presence of Biomarker(s) Predictive of Anti-epileptic Drug Treatment Response

    up to 36 months

Study Arms (1)

focal epilepsy

observational study

Eligibility Criteria

Age12 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)
Sampling MethodNon-Probability Sample
Study Population

Epilepsy/Neurology clinical centers

You may qualify if:

  • Clinical seizure(s) and history consistent with focal epilepsy
  • At least two confirmed spontaneous seizures, at least 24 hours apart, in the 12 months prior to enrollment
  • Complete AED history prior to enrollment (with approximate dates and doses) is available (exception can be made for AEDs taken for \<1 week)
  • Age ≥12 years and ≤60 years at time of seizure onset
  • Age ≥12 years and ≤60 years at time of enrollment
  • Treatment instituted not more than 4 months prior to enrollment
  • One of the following:
  • Normal MRI with inter-ictal EEG showing focal abnormality (focal sharp waves or focal slowing)
  • Normal MRI and normal inter-ictal EEG, with clinical or electrographic seizure activity on ictal EEG
  • Definitive clinical history of recurrent seizures consistent with focal epilepsy, adjudicated by central reviewers, if normal MRI and normal EEG
  • Focal lesion (non-progressive) on MRI with normal EEG (acceptable focal lesions include MTS, FCD, single cavernoma, and AVMs that are not of large size and lack significant amounts of hemosiderin)

You may not qualify if:

  • Idiopathic or symptomatic generalized epilepsy
  • Any epilepsy etiology that could produce significant gliosis or brain injury and would be likely to alter biomarkers. These include:
  • Epilepsy with an etiology occurring in the previous two years that would produce significant CNS injury (e.g., traumatic brain injury that involves direct disruption of brain tissue, stroke, encephalitis)
  • History of intracranial bleeding (e.g., subarachnoid, intraparenchymal)
  • Identified genetic epilepsy syndrome
  • Presence of moderate or greater developmental or cognitive delay prior to seizure onset (e.g., if an adolescent, not in self-contained classroom; if IQ is documented, should be \> 70)
  • History of chronic drug or alcohol abuse within the last 2 years
  • IGE/focal epilepsy mixed syndromes
  • Progressive neurological disorder (brain tumor, AD, PME, etc.)
  • Major medical co-morbidities such as renal failure requiring dialysis, metastatic cancer, HIV, or significant liver or renal disease
  • Autism Spectrum Disorder
  • Seizures only during pregnancy
  • History of previous or current significant psychiatric disorder that would interfere with conduct of the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (30)

University of Alabama

Birmingham, Alabama, United States

Location

University of California San Francisco

San Francisco, California, United States

Location

Children's Hospital Colorado

Denver, Colorado, United States

Location

Yale University

New Haven, Connecticut, United States

Location

University of Miami

Miami, Florida, United States

Location

Emory University

Atlanta, Georgia, United States

Location

Johns Hopkins School of Medicine

Baltimore, Maryland, United States

Location

University of Maryland Medical Center

Baltimore, Maryland, United States

Location

Mid-Atlantic Epilepsy and Sleep Center

Bethesda, Maryland, United States

Location

Beth Israel Deaconess Medical Center

Boston, Massachusetts, United States

Location

Massachusetts General Hospital

Boston, Massachusetts, United States

Location

University of Michigan

Ann Arbor, Michigan, United States

Location

Mayo Clinic

Rochester, Minnesota, United States

Location

Minnesota Epilepsy Group

Saint Paul, Minnesota, United States

Location

Washington University

St Louis, Missouri, United States

Location

University of Nebraska Medical Center

Omaha, Nebraska, United States

Location

Saint Barnabas Medical Center

Livingston, New Jersey, United States

Location

North Shore-LIJ Health System

Great Neck, New York, United States

Location

Albert Einstein College of Medicine

New York, New York, United States

Location

Columbia University Medical Center

New York, New York, United States

Location

New York University Langone Medical Center

New York, New York, United States

Location

Geisinger Medical Center

Danville, Pennsylvania, United States

Location

Thomas Jefferson University

Philadelphia, Pennsylvania, United States

Location

Medical University of South Carolina

Charleston, South Carolina, United States

Location

Vanderbilt University

Nashville, Tennessee, United States

Location

University of Texas

Houston, Texas, United States

Location

Austin Hospital, University of Melbourne

Melbourne, Australia

Location

Royal Melbourne Hospital

Melbourne, Australia

Location

Prince of Wales Hospital, University of New South Wales

Sydney, Australia

Location

University of Western Ontario

London, Ontario, Canada

Location

Related Publications (1)

  • Barnard SN, Chen Z, Holmes M, Kanner AM, Hegde M, Kuzniecky R, Lowenstein D, French JA; Human Epilepsy Project (1) Investigators. Treatment Response to Antiseizure Medications in People With Newly Diagnosed Focal Epilepsy. JAMA Neurol. 2025 Oct 1;82(10):1022-1030. doi: 10.1001/jamaneurol.2025.2949.

Related Links

Biospecimen

Retention: SAMPLES WITH DNA

whole blood, plasma, urine

MeSH Terms

Conditions

Epilepsies, PartialEpilepsy

Condition Hierarchy (Ancestors)

Brain DiseasesCentral Nervous System DiseasesNervous System Diseases

Study Officials

  • Ruben Kuzniecky, MD

    New York University, Comprehensive Epilepsy Center

    PRINCIPAL INVESTIGATOR
  • Jacqueline French, MD

    New York University, Comprehensive Epilepsy Center

    PRINCIPAL INVESTIGATOR
  • Daniel Lowenstein, MD

    University of California, San Francisco, Department of Neurology

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
3 Years
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 28, 2014

First Posted

April 30, 2014

Study Start

July 1, 2012

Primary Completion

March 31, 2020

Study Completion

July 1, 2021

Last Updated

July 6, 2021

Record last verified: 2021-07

Locations