Anakinra: SOC will be followed , Suggested Dose: 10 mg/kg/day IV, divided into 4 daily doses (q6h) Maximum dose: 400 mg/day
Tocilizumab: SOC will be followed, Suggested Dose: If \<30 kg: 12 mg/kg IV once every 2 weeks If ≥30 kg: 8 mg/kg IV once every 2 weeks Maximum dose: 800 mg per dose
Standard medical treatment: For patients who could not be randomized by day 7, standard clinical care will be followed and patients will be followed prospectively and observationally.
The goal of this clinical trial is to find out whether two existing medications-anakinra and tocilizumab-can effectively treat a rare and life-threatening brain condition called NORSE (New-Onset Refractory Status Epilepticus). NORSE causes continuous seizures in previously healthy children and adults and does not respond to standard treatments. It often leads to long-term disability or death.
Doctors currently use anakinra and tocilizumab as second-line treatments when first-line therapies fail, but there is no clear evidence showing which drug works better or when it should be given. This study aims to answer those questions.
The study will enroll patients across 33 hospitals in the United States, Canada, Europe, and Asia.
It includes two groups:
1. Randomized Cohort Patients will be randomly assigned to receive either anakinra or tocilizumab within the first 7 days of their illness. Only patients whose doctors were already planning to use one of these medications as part of standard care will be eligible for randomization. Researchers will monitor their recovery and compare outcomes between the two treatments.
2. Observational Cohort Patients who cannot be randomized-usually because they were diagnosed too late-will still be followed to study how the timing of treatment affects recovery.
Participants will:
* Receive one of the two medications (depending on their group assignment).
* Take part in follow-up assessments over the course of one year, including medical evaluations and surveys. Some participants may be followed annually beyond one year.
* Optionally participate in a 60-minute interview to share their or their caregiver's experience with NORSE.
| Facility | City | Region | Status |
|---|---|---|---|
| Barrow Institute | Phoenix | Arizona | |
| Children's Hospital Colorado | Aurora | Colorado | |
| Yale New Haven Hospital | New Haven | Connecticut | |
| Children's National (DC) | Washington D.C. | District of Columbia | |
| University of Florida | Gainesville | Florida | |
| University of Chicago | Chicago | Illinois | |
| Northwestern University | Evanston | Illinois | |
| Mass General (MGH) | Boston | Massachusetts | |
| Beth Israel Deaconess | Boston | Massachusetts | |
| Boston Children's Hospital | Boston | Massachusetts | |
| Mayo Clinic | Rochester | Minnesota | |
| University of Nebraska | Lincoln | Nebraska | |
| New York University | New York | New York | |
| Columbia University | New York | New York | |
| Mount Sinai (NY) | New York | New York | |
| University of Cincinnati | Cincinnati | Ohio | |
| Cleveland Clinic | Cleveland | Ohio | |
| Oregon Health and Science University | Portland | Oregon | |
| Children's Hospital Philadelphia (CHOP) | Philadelphia | Pennsylvania | |
| University of Pennsylvania | Philadelphia | Pennsylvania | |
| UT Southwestern Medical Center | Dallas | Texas | |
| Baylor/Texas Children's | Houston | Texas | |
| Seattle Children's Hospital | Seattle | Washington | |
| University of Wisconsin | Madison | Wisconsin | |
| Medical College of Wisconsin | Milwaukee | Wisconsin | |
| Western University | London | Canada | |
| Hospital for Sick Children | Toronto | Canada | |
| Salpêtrière | Paris | France | |
| University of Modena | Modena | Italy | |
| Seoul National University Hospital | Seoul | South Korea | |
| Karolinska Institute | Stockholm | Sweden | |
| Great Ormond Street Hospital | London | United Kingdom | |
| King's College | London | United Kingdom |
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
View NCT07281027 on ClinicalTrials.gov ↗ ← All trials in Sweden