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Dive into the research topics where Daniel Guillaume is active.

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Featured researches published by Daniel Guillaume.


Multiple Sclerosis Journal | 2010

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

Richard Gonsette; Christian Sindic; Marie B. D'hooghe; Peter-Paul De Deyn; Robert Medaer; Alex Michotte; Pierrette Seeldrayers; Daniel Guillaume

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 β) and an endogenous neuroprotective molecule (uric acid) would be more effective than interferon β alone on the accumulation of disability. Patients with relapsing—remitting multiple sclerosis on interferon β for at least 6 months were randomized to interferon β + inosine or interferon β + placebo for 2 years. The dose of inosine was adjusted to maintain serum uric acid levels in the range of asymptomatic hyperuricaemia (≤10 mg/dl). The primary end points were percentage of patients with progression of disability and time to sustained progression (Kaplan—Meier analysis). The combination of interferon β and inosine was safe and well tolerated but did not provide any additional benefit on accumulation of disability compared with interferon β alone. We conclude that endogenous neuroprotective mechanisms recently identified in multiple sclerosis are complex and uric acid does not reflect the entire story.


BMC Neurology | 2011

Cognitive performance in relapsing remitting multiple sclerosis: A longitudinal study in daily practice using a brief computerized cognitive battery

Chris Edgar; Peter Joseph Jongen; Evert Sanders; Christian Sindic; S. Goffette; Michel Dupuis; Philippe Jacquerye; Daniel Guillaume; Régine Reznik; Keith Wesnes

BackgroundThere is need for a cognitive test battery that can be easily used in clinical practice to detect or monitor cognitive performance in patients with multiple sclerosis (MS). In order to conduct, in this patient group, a preliminary investigation of the validity and utility of a brief computerized battery, the Cognitive Drug Research (CDR) battery, we longitudinally assessed cognition in patients with relapsing remitting (RR) MS.MethodsForty-three mildly disabled, clinically active RRMS patients were repeatedly assessed with the Digit Symbol Substitution Test (DSST), Paced Auditory Serial Addition Test (PASAT) and five composite scores derived from the CDR computerized cognitive test system (CDR System): Power of Attention, Continuity of Attention, Quality of Working Memory, Quality of Episodic Memory and Speed of Memory. The Multiple Sclerosis Functional Composite (MSFC) and Expanded Disability Status Scale (EDSS) measured disability.ResultsThe composite scores from the CDR battery generally showed excellent test-retest reliability over the repeated assessments, though was low on occasions for the Quality of Working Memory and Quality of Episodic Memory measures. The CDR measures tended to be highly correlated with other measures of cognition (DSST and PASAT) and were also strongly related to disability (EDSS and MSFC). Baseline scores indicated large impairments to visual information processing speed and attention (DSST, Cohens d 1.1; Power of Attention d 1.4 [reaction time on tasks of focussed and sustained attention]), and a moderate impairment both to sustained attention (Continuity of Attention d 0.6) and complex information processing speed (Speed of memory d 0.7 [reaction time on tasks of working and episodic Memory]), when compared to normative data derived from healthy volunteers enrolled in a series of separate, prior clinical trials. Working memory (Quality of Working Memory) and episodic memory (Quality of Episodic Memory) were unimpaired.ConclusionsPreliminary validation of the CDR System indicated that for most, but not all measures psychometric properties were adequate and the measures were related to disability (EDSS and MSFC) and other measures of cognition.


Clinical Neurology and Neurosurgery | 2013

Consensus guidelines on the neurologist's role in the management of neurogenic lower urinary tract dysfunction in multiple sclerosis

Dirk De Ridder; Frank Van der Aa; Jan Debruyne; Mb D'hooghe; Bénédicte Dubois; Daniel Guillaume; Marco Heerings; Stefan Ilsbroukx; Robert Medaer; Guy Nagels; Pierrette Seeldrayers; William van Landegem; Barbara Willekens; Anne-Francoise Zicot


Acta Neurologica Belgica | 2014

Safety and efficacy of natalizumab in Belgian multiple sclerosis patients: subgroup analysis of the natalizumab observational program

Vincent Van Pesch; Emmanuel Bartholomé; Véronique Bissay; Olivier Bouquiaux; Michel Bureau; Johan Caekebeke; Jana Debruyne; Inge Declercq; Dany Decoo; Pierre Denayer; Eric De Smet; Marie-Claire D'Hooghe; Bénédicte Dubois; Michel Dupuis; Souraya El Sankari; Karine Geens; Daniel Guillaume; William van Landegem; Andreas Lysandropoulos; Alain Maertens De Noordhout; Robert Medaer; Annick Melin; Katelijne Peeters; Rémy Phan Ba; Cécile Retif; Pierrette Seeldrayers; Anoek Symons; Etienne Urbain; Patrick Vanderdonckt; Erwin Van Ingelghem


Acta Neurologica Belgica | 2005

Long-term follow up of glatiramer acetate compassionate use in Belgium

Christian Sindic; Pierrette Seeldrayers; L Vande Gaer; E De Smet; G Nagels; P P De Deyn; Robert Medaer; Daniel Guillaume; Marie B. D'hooghe; D Decoo; Bernard Sadzot; W. Van Landegem; T. Strauven; J Pepin; H Merckx; Jo Caekebeke; M A van der Tool


Archive | 2018

An adapted test under a new light

Gaël Delrue; Kim Harchies; Audrey Galluzzo; Sophie Leyens; Jean-François Kaux; Daniel Guillaume


Archive | 2013

Is the decrease of the qualitative performance at the end of attentional tests due to fatigue in multiple sclerosis patients

Nicolas Moyano; Gaël Delrue; Sarah Genon; Jimenez; Loraine Denis; Elisabeth Hody; Stéphane Adam; Daniel Guillaume


Archive | 2011

Is the PASAT enough to detect working memory problems in MS patients? A comparison with another working memory test

Gaël Delrue; Nicolas Moyano; Jimenez; Loraine Denis; Elisabeth Hody; Stéphane Adam; Daniel Guillaume; Shibeshih Belachew


Archive | 2009

Various fatigue measures during neuropsychological testing

Gaël Delrue; Loraine Denis; Elisabeth Hody; Stéphane Adam; Daniel Guillaume; Shibeshih Belachew


Parkinsonism & Related Disorders | 2008

P1.051 Talking while walking in multiple sclerosis: increased difficulty of walking abilities, deficit of working memory, or both?

Gaël Delrue; Céline Gryglewicz; Yves Léonard; B. Maertens de Noordhout; Régine Reznik; Daniel Guillaume; Stéphane Adam

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Christian Sindic

Cliniques Universitaires Saint-Luc

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Bénédicte Dubois

Katholieke Universiteit Leuven

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Marie B. D'hooghe

Vrije Universiteit Brussel

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Andreas Lysandropoulos

Université libre de Bruxelles

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