BAR-OR AMIT ET AL: "Rituximab in relapsing-remitting multiple sclerosis: A 72-week, open-label, phase I trial", ANNALS OF NEUROLOGY, vol. 63, no. 3, March 2008 (2008-03), pages 395-400, XP002567455, ISSN: 0364-5134 (B1)

WOLINSKY JERRY S ET AL: "Glatiramer acetate in primary progressive multiple sclerosis: Results of a multinational, multicenter, double-blind, placebo-controlled trial", ANNALS OF NEUROLOGY, vol. 61, no. 1, January 2007 (2007-01), pages 14-24, XP002567459, ISSN: 0364-5134 (B1)

GROUIN J -M ET AL: "Subgroup analyses in randomized clinical trials: Statistical and regulatory issues", JOURNAL OF BIOPHARMACEUTICAL STATISTICS 2005 US, vol. 15, no. 5, 2005, pages 869-882, XP009129300, (B1)

HARTUNG HANS-PETER ET AL: "Bleak prospects for primary progressive multiple sclerosis therapy: downs and downs, but a glimmer of hope.", ANNALS OF NEUROLOGY OCT 2009, vol. 66, no. 4, October 2009 (2009-10), pages 429-432, XP009129053, ISSN: 1531-8249 (B1)

HAUSER STEPHEN L ET AL: "B-cell depletion with Rituximab in relapsing-remitting multiple sclerosis", NEW ENGLAND JOURNAL OF MEDICINE, vol. 358, no. 7, February 2008 (2008-02), pages 676-688, XP002567454, ISSN: 0028-4793 (B1)

HAWKER K: "B-cell-targeted treatment for multiple sclerosis: Mechanism of action and clinical data", CURRENT OPINION IN NEUROLOGY, RAPID SCIENCE PUBLISHERS, LONDON, GB, vol. 21, no. SUPPL 1, 1 April 2008 (2008-04-01), pages S19-S25, XP008102094, ISSN: 1350-7540 (B1)

HAWKER KATHLEEN ET AL: "Rituximab in Patients with Primary Progressive Multiple Sclerosis Results of a Randomized Double-Blind Placebo-Controlled Multicenter Trial", ANNALS OF NEUROLOGY, vol. 66, no. 4, 9 September 2009 (2009-09-09), pages 460-471, XP002567460, ISSN: 0364-5134 (B1)

HAWKER KS ET AL: "Efficacy and safety of rituximab in patients with primary progressive multiple sclerosis: results of a randomized, double-blind, placebo-controlled, multicenter trial", MULTIPLE SCLEROSIS, SAGE PUBLICATIONS, BASINGSTOKE, GB, vol. 14, 26 August 2008 (2008-08-26), page S299, XP009128819, ISSN: 1352-4585 (B1)

MCDONALD W I ET AL: "RECOMMENDED DIAGNOSTIC CRITERIA FOR MULTIPLE SCLEROSIS: GUIDELINES FROM THE INTERNATIONAL PANEL ON THE DIAGNOSIS OF MULTIPLE SCLEROSIS", ANNALS OF NEUROLOGY, JOHN WILEY AND SONS, BOSTON, US, vol. 50, no. 1, 1 July 2001 (2001-07-01), pages 121-127, XP009053064, ISSN: 0364-5134 (B1)

MONSON NANCY L ET AL: "EFFECT OF RITUXIMAB ON THE PERIPHERAL BLOOD AND CEREBROSPINAL FLUID B CELLS IN PATIENTS WITH PRIMARY PROGRESSIVE MULTIPLE SCLEROSIS", ARCHIVES OF NEUROLOGY, AMERICAN MEDICAL ASSOCIATION, CHICAGO, IL, US, vol. 62, no. 2, 1 February 2005 (2005-02-01), pages 258-264, XP009085313, ISSN: 0003-9942 (B1)

PETEREIT HELA-F ET AL: "EFFECTIVE SUPPRESSION OF CEREBROSPINAL FLUID B CELLS BY RITUXIMAB AND CYCLOPHOSPHAMIDE IN PROGRESSIVE MULTIPLE SCLEROSIS", ARCHIVES OF NEUROLOGY, AMERICAN MEDICAL ASSOCIATION, CHICAGO, IL, US, vol. 62, no. 10, 1 October 2005 (2005-10-01), pages 1641-1642, XP009085305, ISSN: 0003-9942 (B1)

ROXBURGH R H S R ET AL: "Multiple sclerosis severity score - Using disability and disease duration to rate disease severity", NEUROLOGY, vol. 64, no. 7, April 2005 (2005-04), pages 1144-1151, XP002567456, ISSN: 0028-3878 (B1)

WANG RUI ET AL: "Statistics in medicine - Reporting of subgroup analyses in clinical trials", NEW ENGLAND JOURNAL OF MEDICINE, vol. 357, no. 21, November 2007 (2007-11), pages 2189-2194, XP002567458, ISSN: 0028-4793 (B1)

WO-A-2005/117978 (B1)

CROSS A H ET AL: "Rituximab reduces B cells and T cells in cerebrospinal fluid of multiple sclerosis patients", JOURNAL OF NEUROIMMUNOLOGY, ELSEVIER SCIENCE PUBLISHERS BV, XX, vol. 180, no. 1-2, 1 November 2006 (2006-11-01), pages 63-70, XP025039481, ISSN: 0165-5728 [retrieved on 2006-11-01] (B1)