The pharmacokinetics and pharmaco-dynamics of Procysteine in amyotrophic lateral sclerosis.

Cudkowicz, M E; Sexton, P M; Ellis, T; Hayden, D L; Gwilt, P R; Whalen, J; Brown, R H · Neurology · 1999

case_series · Level IV

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Abstract

In 13 subjects with ALS, we studied the safety and pharmacokinetic properties of Procysteine, a cysteine prodrug that increases levels of intracellular glutathione. We found that oral administration of Procysteine was safe. Procysteine enters CSF after both IV and oral dosing and accumulates to significant levels in CSF. We also observed that CSF levels of glutathione fall dramatically with aging.

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