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Boosting endogenous neuroprotection in multiple sclerosis: the ASsociation of Inosine and Interferon beta in relapsing- remitting Multiple Sclerosis (ASIIMS) trial.

Author(s): Gonsette RE, Sindic C, D'hooghe MB, De Deyn PP, Medaer R, Michotte A, Seeldrayers P, Guillaume D; ASIIMS study group.

Collaborators: Gonsette RE, Sindic C, Goffette S, van Pesch V, Duprez T, Demaerel P, D'hooghe MB, Nagels G, Descamps M, Van Remoortel A, Deville MC, van Nunen A, Medaer R, Vanroose E, Bogaerts A, Michotte A, Bissay V, De Boeck M, De Deyn P, Sheorajpanday R, Braxel E, Seeldrayers P, Jacquy J, Piette T, De Cock C, Guillaume D, Reznik R, Metz R, Maertens de Noordhout A, Delvaux V, Dupuis M, Cras P, Willekens B, Timperman H, Decoo D, De Sutter M, Van Zandijcke M, Dehaene I, Verhoeven K, Deryck O, Casselman J, Criel A, Schotte V, Verhaeghe R, Dusautoir C, Hermoye L, Maes F.

Affiliation(s): National Centre for Multiple Sclerosis, Vanheylenstraat 16, Melsbroek, Belgium. r.gonsette@skynet.be

Publication date & source: 2010, Mult Scler. , 16(4):455-62

Anti-inflammatory drugs are effective on relapses, but neuroprotective agents to prevent disability are still unavailable. Uric acid has neuroprotective effects in experimental models including encephalomyelitis and appears to be involved in multiple sclerosis. Oral administration of inosine, a precursor of uric acid, increases serum uric acid levels and is well tolerated. Our objective was to test the possibility that a combination therapy associating an anti-inflammatory drug (interferon beta) and an endogenous neuroprotective molecule (uric acid) would be more effective than interferon beta alone on the accumulation of disability. Patients with relapsing-remitting multiple sclerosis on interferon beta for at least 6 months were randomized to interferon beta + inosine or interferon beta + placebo for 2 years. The dose of inosine was adjusted to maintain serum uric acid levels in the range of asymptomatic hyperuricaemia (

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