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Venet M, Lepine A, Maarouf A, Biotti D, Boutiere C, Casez O, Cohen M, Durozard P, Demortière S, Giorgi L, Maillart E, Mathey G, Mazzola L, Rico A, Camdessanche JP, Deiva K, Pelletier J, Audoin B. Control of disease activity with large extended-interval dosing of rituximab/ocrelizumab in highly active pediatric multiple sclerosis. Mult Scler 2024; 30:261-265. [PMID: 38166437 DOI: 10.1177/13524585231223069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2024]
Abstract
Recent studies in adults suggested that extended-interval dosing of rituximab/ocrelizumab (RTX/OCR) larger than 12 months was safe and could improve safety. This was an observational cohort study of very active pediatric-onset multiple sclerosis (PoMS) (median (range) age, 16 (12-17) years) treated with RTX/OCR with 6 month standard-interval dosing (n = 9) or early extended-interval dosing (n = 12, median (range) interval 18 months (12-25)). Within a median (range) follow-up of 31 (12-63) months after RTX/OCR onset, one patient (standard-interval) experienced relapse and no patient showed disability worsening or new T2-weighted lesions. This study suggests that the effectiveness of RTX/OCR is maintained with a median extended-interval dosing of 18 months in patients with very active PoMS.
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Affiliation(s)
- Melany Venet
- Department of Neurology, Aix Marseille Univ, APHM, Hôpital de la Timone, CNRS, CRMBM, Marseille, France
- Neurology Department, University Hospital, Saint-Etienne, France
| | - Anne Lepine
- Paediatric Neurology Department, Assistance Publique des Hôpitaux de Marseille, Hôpital Universitaire, Marseille, France
| | - Adil Maarouf
- Department of Neurology, Aix Marseille Univ, APHM, Hôpital de la Timone, CNRS, CRMBM, Marseille, France
| | - Damien Biotti
- Centre Ressources et Compétences Sclérose en Plaques (CRC-SEP) et Service de Neurologie B4, Hôpital Pierre-Paul Riquet, CHU Toulouse Purpan, Toulouse, France
- INSERM UMR1291-CNRS UMR5051, Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), Université Toulouse 3, Toulouse, France
| | - Clémence Boutiere
- Department of Neurology, Aix Marseille Univ, APHM, Hôpital de la Timone, CNRS, CRMBM, Marseille, France
| | - Olivier Casez
- Neuro-inflammatory Disease Center, Centre Hospitalier Universitaire de Grenoble Alpes, Grenoble, France
| | - Mikael Cohen
- CRC-SEP CHU Nice, UR2CA-URRIS, Université Nice Cote d'Azur, Hôpital Pasteur 2, Nice, France
| | | | - Sarah Demortière
- Department of Neurology, Aix Marseille Univ, APHM, Hôpital de la Timone, CNRS, CRMBM, Marseille, France
| | - Laetitia Giorgi
- Department of Paediatric Neurology, National Reference Center for Rare Inflammatory and auto-immune Brain and Spinal Diseases, Hopitaux Universitaires Paris-Saclay, Hôpital Bicêtre, Le Kremlin-Bicetre, France
- UMR 1184, Immunology of Viral Infections and Autoimmune Diseases, Universite Paris Saclay, Le Kremlin-Bicetre, France
| | - Elisabeth Maillart
- Department of Neurology, National Reference Center for Rare Inflammatory and auto-immune Brain and Spinal Diseases, Pitie Salpetriere Hospital, APHP, Paris, France
| | - Guillaume Mathey
- Neurology Unit, University Hospital of Nancy, Hôpital Central, Nancy Cedex, France
| | - Laure Mazzola
- Neurology Department, University Hospital, Saint-Etienne, France
| | - Audrey Rico
- Department of Neurology, Aix Marseille Univ, APHM, Hôpital de la Timone, CNRS, CRMBM, Marseille, France
| | | | - Kumaran Deiva
- Department of Paediatric Neurology, National Reference Center for Rare Inflammatory and auto-immune Brain and Spinal Diseases, Hopitaux Universitaires Paris-Saclay, Hôpital Bicêtre, Le Kremlin-Bicetre, France
- UMR 1184, Immunology of Viral Infections and Autoimmune Diseases, Universite Paris Saclay, Le Kremlin-Bicetre, France
| | - Jean Pelletier
- Department of Neurology, Aix Marseille Univ, APHM, Hôpital de la Timone, CNRS, CRMBM, Marseille, France
| | - Bertrand Audoin
- Department of Neurology, Aix Marseille Univ, APHM, Hôpital de la Timone, CNRS, CRMBM, Marseille, France
- Pôle de Neurosciences Cliniques, Service de Neurologie, Aix Marseille Univ, APHM, Hôpital de la Timone, Marseille, France
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