Fluctuations in plasma levodopa and motor responses with liquid and tablet levodopa/carbidopa

L. Verhagen Metman, J. Hoff, M. M. Mouradian, T. N. Chase*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

To evaluate the ability of orally administered liquid levodopa/carbidopa (LD/CD) to stabilize plasma levodopa levels and reduce motor reponse fluctuations in Parkinson's disease, five patients received LD/CD hourly, as standard tablets or as an aqueous solution on two separate days in a double‐blind, placebo‐controlled, cross‐over design. Except for a slightly earlier peak plasma levodopa level, no significant advantage of the liquid formulation over tablet therapy was found. However, liquid LD/CD could be helpful in quickly resolving “off” states and by facilitating small dose adjustments that are not possible with tablets.

Original languageEnglish (US)
Pages (from-to)463-465
Number of pages3
JournalMovement Disorders
Volume9
Issue number4
DOIs
StatePublished - 1994

Keywords

  • Clinical trial
  • Motor fluctuations
  • Parkinson's disease

ASJC Scopus subject areas

  • Clinical Neurology
  • Neurology

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