Immunoadsorption Therapy in Managing NMDAR Antibodies Encephalitis

Sponsor
Assistance Publique - Hôpitaux de Paris
Study ID
NCT03274375
Phase
PHASE2
Status
Completed

Conditions

  • Anti-NMDAR Encephalitis

Eligibility Criteria

Sex
ALL
Age
N/A - 18 Years
Healthy Volunteers
Not accepted

Interventions

  • IA session — DRUG
    10 IA sessions performed in 28 days maximum, using TherasorbTM adsorbers which contain sheep derived polyvalent antihuman-immunoglobulin coupled to SepharoseTM CL-4B.
  • Rituximab — DRUG
    Concomitantly, Rituximab will be given each week for 4 weeks (one injection by week +/- 3 days): * at least 1 day before each IA session * the last injection will occur after the last session IA (minimum one day after)

Study Details

The purpose of the study is to assess the efficacy of immunoadsorption therapy (IA) on improving the neurological status of severe pediatric anti-NMDAR encephalitis patients.

Key Dates

First listed
Sep 6, 2017
Start date
Jun 23, 2021
Status verified
Aug 2026
Primary completion
Oct 26, 2023
Completion
Oct 12, 2025

Study Design

Enrollment
20 participants (actual)
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT

Arms

  • Experimental: IA session
    * 4 Rituximab injections * 10 IA sessions

Primary Outcome Measure

Change in Neurological status evaluated with the Pediatric Cerebral Performance Category Scale (PCPCS) [ Time Frame: before and after the 10 IA sessions, 28 days maximum ]