An Open Label Study of the Effects of Eculizumab in Neuromyelitis Optica

Summary

The purpose of this study is to determine if the drug eculizumab reduces the attack rate and improves outcome in patients with neuromyelitis optica.

Timeline

Start

2009-04

Primary completion

2011-12

Completion

2011-12

Outcome

Met primary endpoint

paper The median number of attacks per year fell from three before treatment (range two to four) to zero (zero to one) during treatment (p<0·0001). PMID 23623397 ↗

registry MEDIAN Eculizumab: Baseline: 3 (2 to 4) attacks per year MEDIAN Eculizumab: After 12 months of treatment: 0 (0 to 1) attacks per year NCT00904826 ↗

Publications

• Background Wingerchuk DM, Lennon VA, Lucchinetti CF, Pittock SJ, Weinshenker BG. The spectrum of neuromyelitis optica. Lancet Neurol. 2007 Sep;6(9):805-15. doi: 10.1016/S1474-4422(07)70216-8.
• Background Lennon VA, Wingerchuk DM, Kryzer TJ, Pittock SJ, Lucchinetti CF, Fujihara K, Nakashima I, Weinshenker BG. A serum autoantibody marker of neuromyelitis optica: distinction from multiple sclerosis. Lancet. 2004 Dec 11-17;364(9451):2106-12. doi: 10.1016/S0140-6736(04)17551-X.
• Background Lennon VA, Kryzer TJ, Pittock SJ, Verkman AS, Hinson SR. IgG marker of optic-spinal multiple sclerosis binds to the aquaporin-4 water channel. J Exp Med. 2005 Aug 15;202(4):473-7. doi: 10.1084/jem.20050304. Epub 2005 Aug 8.
• Background Wingerchuk DM, Lennon VA, Pittock SJ, Lucchinetti CF, Weinshenker BG. Revised diagnostic criteria for neuromyelitis optica. Neurology. 2006 May 23;66(10):1485-9. doi: 10.1212/01.wnl.0000216139.44259.74.
• Background Hinson SR, Pittock SJ, Lucchinetti CF, Roemer SF, Fryer JP, Kryzer TJ, Lennon VA. Pathogenic potential of IgG binding to water channel extracellular domain in neuromyelitis optica. Neurology. 2007 Dec 11;69(24):2221-31. doi: 10.1212/01.WNL.0000289761.64862.ce. Epub 2007 Oct 10.
• Background Rother RP, Rollins SA, Mojcik CF, Brodsky RA, Bell L. Discovery and development of the complement inhibitor eculizumab for the treatment of paroxysmal nocturnal hemoglobinuria. Nat Biotechnol. 2007 Nov;25(11):1256-64. doi: 10.1038/nbt1344.
• Background Hinson SR, McKeon A, Fryer JP, Apiwattanakul M, Lennon VA, Pittock SJ. Prediction of neuromyelitis optica attack severity by quantitation of complement-mediated injury to aquaporin-4-expressing cells. Arch Neurol. 2009 Sep;66(9):1164-7. doi: 10.1001/archneurol.2009.188.
• Results Pittock SJ, Lennon VA, McKeon A, Mandrekar J, Weinshenker BG, Lucchinetti CF, O'Toole O, Wingerchuk DM. Eculizumab in AQP4-IgG-positive relapsing neuromyelitis optica spectrum disorders: an open-label pilot study. Lancet Neurol. 2013 Jun;12(6):554-62. doi: 10.1016/S1474-4422(13)70076-0. Epub 2013 Apr 26.

Drugs

Evaluation	Drug	Modality	Dose	Route
Subject	Eculizumab	Monoclonal antibody	900 mg	Intravenous

Indications