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Cerebrospinal fluid flow dynamics in Huntington's disease evaluated by phase contrast MRI

Research output: Contribution to journalArticle

Filipe B. Rodrigues, Lauren M. Byrne, Enrico De Vita, Eileanoir B. Johnson, Nicola Z. Hobbs, John S. Thornton, Rachael I. Scahill, Edward J. Wild

Original languageEnglish
Pages (from-to)1632-1639
Number of pages8
JournalEuropean Journal of Neuroscience
Issue number12
Publication statusPublished - 1 Jun 2019

King's Authors


Multiple targeted therapeutics for Huntington's disease are now in clinical trials, including intrathecally delivered compounds. Previous research suggests that CSF dynamics may be altered in Huntington's disease, which could be of paramount relevance to intrathecal drug delivery to the brain. To test this hypothesis, we conducted a prospective cross-sectional study comparing people with early stage Huntington's disease with age- and gender-matched healthy controls. CSF peak velocity, mean velocity and mean flow at the level of the cerebral aqueduct, and sub-arachnoid space in the upper and lower spine, were quantified using phase contrast MRI. We calculated Spearman's rank correlations, and tested inter-group differences with Wilcoxon rank-sum test. Ten people with early Huntington's disease, and 10 controls were included. None of the quantified measures was associated with potential modifiers of CSF dynamics (demographics, osmolality, and brain volumes), or by known modifiers of Huntington's disease (age and HTTCAG repeat length); and no significant differences were found between the two studied groups. While external validation is required, the attained results are sufficient to conclude tentatively that a clinically relevant alteration of CSF dynamics – that is, one that would justify dose-adjustments of intrathecal drugs – is unlikely to exist in Huntington's disease.

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