A Study of Ocrelizumab in Participants With Primary Progressive Multiple Sclerosis

Summary

This randomized, parallel group, double-blind, placebo controlled study will evaluate the efficacy and safety of ocrelizumab in participants with primary progressive multiple sclerosis. Eligible participants will be randomized 2 : 1 to receive either ocrelizumab or placebo.

Timeline

Start

2011-03-02

Primary completion

2015-07-23

Completion

2022-12-31

Outcome

Met primary endpoint

paper 32.9% with ocrelizumab versus 39.3% with placebo (hazard ratio, 0.76; 95% confidence interval [CI], 0.59 to 0.98; P=0.03). PMID 28002688 ↗

release “In a separate PPMS study (ORATORIO), OCREVUS significantly reduced the risk of confirmed disability progression sustained for at least 12 weeks (primary endpoint)” gene.com ↗

Publications

• Kappos L, Yiu S, Dahlke F, Coetzee T, Cutter GR, Yuen S, Bonati U, Lublin FD. Composite Confirmed Disability Worsening/Progression Is a Useful Clinical Endpoint for Multiple Sclerosis Clinical Trials. Neurology. 2025 May 27;104(10):e213558. doi: 10.1212/WNL.0000000000213558. Epub 2025 Apr 21.
• Zivadinov R, Pei J, Clayton D, Goldman DE, Winger RC, Cabatingan MS, Dwyer MG, Bergsland N. Evolution of atrophied T2 lesion volume in primary-progressive multiple sclerosis: results from the phase 3 ORATORIO study. J Neurol Neurosurg Psychiatry. 2024 May 14;95(6):536-543. doi: 10.1136/jnnp-2023-332573.
• Loomis SJ, Sadhu N, Fisher E, Gafson AR, Huang Y, Yang C, Hughes EE, Marshall E, Herman A, John S, Runz H, Jia X, Bhangale T, Bronson PG. Genome-wide study of longitudinal brain imaging measures of multiple sclerosis progression across six clinical trials. Sci Rep. 2023 Aug 31;13(1):14313. doi: 10.1038/s41598-023-41099-0.
• Hauser SL, Bar-Or A, Weber MS, Kletzl H, Gunther A, Manfrini M, Model F, Mercier F, Petry C, Wing Q, Koendgen H, Smith T, Kappos L. Association of Higher Ocrelizumab Exposure With Reduced Disability Progression in Multiple Sclerosis. Neurol Neuroimmunol Neuroinflamm. 2023 Feb 15;10(2):e200094. doi: 10.1212/NXI.0000000000200094. Print 2023 Mar.
• Falet JR, Durso-Finley J, Nichyporuk B, Schroeter J, Bovis F, Sormani MP, Precup D, Arbel T, Arnold DL. Estimating individual treatment effect on disability progression in multiple sclerosis using deep learning. Nat Commun. 2022 Sep 26;13(1):5645. doi: 10.1038/s41467-022-33269-x.
• Arnold DL, Sprenger T, Bar-Or A, Wolinsky JS, Kappos L, Kolind S, Bonati U, Magon S, van Beek J, Koendgen H, Bortolami O, Bernasconi C, Gaetano L, Traboulsee A. Ocrelizumab reduces thalamic volume loss in patients with RMS and PPMS. Mult Scler. 2022 Oct;28(12):1927-1936. doi: 10.1177/13524585221097561. Epub 2022 Jun 7.
• Butzkueven H, Spelman T, Horakova D, Hughes S, Solaro C, Izquierdo G, Kubala Havrdova E, Grand'Maison F, Prat A, Girard M, Hupperts R, Onofrj M, Lugaresi A, Taylor B; MSBase Study Group; Giovannoni G, Kappos L, Hauser SL, Montalban X, Craveiro L, Freitas R, Model F, Overell J, Muros-Le Rouzic E, Sauter A, Wang Q, Wormser D, Wolinsky JS. Risk of requiring a wheelchair in primary progressive multiple sclerosis: Data from the ORATORIO trial and the MSBase registry. Eur J Neurol. 2022 Apr;29(4):1082-1090. doi: 10.1111/ene.14824. Epub 2021 May 6.
• Wolinsky JS, Arnold DL, Brochet B, Hartung HP, Montalban X, Naismith RT, Manfrini M, Overell J, Koendgen H, Sauter A, Bennett I, Hubeaux S, Kappos L, Hauser SL. Long-term follow-up from the ORATORIO trial of ocrelizumab for primary progressive multiple sclerosis: a post-hoc analysis from the ongoing open-label extension of the randomised, placebo-controlled, phase 3 trial. Lancet Neurol. 2020 Dec;19(12):998-1009. doi: 10.1016/S1474-4422(20)30342-2. Epub 2020 Oct 29.
• Fox EJ, Markowitz C, Applebee A, Montalban X, Wolinsky JS, Belachew S, Fiore D, Pei J, Musch B, Giovannoni G. Ocrelizumab reduces progression of upper extremity impairment in patients with primary progressive multiple sclerosis: Findings from the phase III randomized ORATORIO trial. Mult Scler. 2018 Dec;24(14):1862-1870. doi: 10.1177/1352458518808189. Epub 2018 Nov 12.
• Wolinsky JS, Montalban X, Hauser SL, Giovannoni G, Vermersch P, Bernasconi C, Deol-Bhullar G, Garren H, Chin P, Belachew S, Kappos L. Evaluation of no evidence of progression or active disease (NEPAD) in patients with primary progressive multiple sclerosis in the ORATORIO trial. Ann Neurol. 2018 Oct;84(4):527-536. doi: 10.1002/ana.25313.
• Montalban X, Hauser SL, Kappos L, Arnold DL, Bar-Or A, Comi G, de Seze J, Giovannoni G, Hartung HP, Hemmer B, Lublin F, Rammohan KW, Selmaj K, Traboulsee A, Sauter A, Masterman D, Fontoura P, Belachew S, Garren H, Mairon N, Chin P, Wolinsky JS; ORATORIO Clinical Investigators. Ocrelizumab versus Placebo in Primary Progressive Multiple Sclerosis. N Engl J Med. 2017 Jan 19;376(3):209-220. doi: 10.1056/NEJMoa1606468. Epub 2016 Dec 21.

Drugs

Evaluation	Drug	Modality	Dose	Route
Subject	Ocrelizumab	Monoclonal antibody	600 mg	Intravenous

Indications