On–Off Phenomenon in Parkinson's Disease

G. Gopinathan, A. N. Lieberman, A. Neophytides, M. Goldstein, J. G. de Yebenes, M. A. Mena, V. Muradas, E. Bazan, J. Reiriz, John Nutt, William Woodward, John Hammerstad, Julie Carter, John L. Anderson

Research output: Contribution to journalLetter

1 Citation (Scopus)

Abstract

To the Editor: We congratulate Nutt et al. for their study of the effect of diet and amino acids on the on–off phenomenon of Parkinson's disease (Feb. 23 issue).1 Their observations confirm our own experience in a limited study using oral levodopa and decarboxylase inhibitors.2 One important aspect of the on–off phenomenon in patients with Parkinson's disease treated with levodopa is that, with rare exceptions, it does not appear early in the treatment course. If protein in the food interfering with the transport or uptake of dopamine were a key factor in the genesis of the phenomenon, one would expect.

Original languageEnglish (US)
Pages (from-to)192-194
Number of pages3
JournalNew England Journal of Medicine
Volume311
Issue number3
DOIs
StatePublished - Jul 19 1984

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Levodopa
Parkinson Disease
Carboxy-Lyases
Dopamine
Diet
Amino Acids
Food
Proteins
Therapeutics

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Gopinathan, G., Lieberman, A. N., Neophytides, A., Goldstein, M., de Yebenes, J. G., Mena, M. A., ... Anderson, J. L. (1984). On–Off Phenomenon in Parkinson's Disease. New England Journal of Medicine, 311(3), 192-194. https://doi.org/10.1056/NEJM198407193110316

On–Off Phenomenon in Parkinson's Disease. / Gopinathan, G.; Lieberman, A. N.; Neophytides, A.; Goldstein, M.; de Yebenes, J. G.; Mena, M. A.; Muradas, V.; Bazan, E.; Reiriz, J.; Nutt, John; Woodward, William; Hammerstad, John; Carter, Julie; Anderson, John L.

In: New England Journal of Medicine, Vol. 311, No. 3, 19.07.1984, p. 192-194.

Research output: Contribution to journalLetter

Gopinathan, G, Lieberman, AN, Neophytides, A, Goldstein, M, de Yebenes, JG, Mena, MA, Muradas, V, Bazan, E, Reiriz, J, Nutt, J, Woodward, W, Hammerstad, J, Carter, J & Anderson, JL 1984, 'On–Off Phenomenon in Parkinson's Disease', New England Journal of Medicine, vol. 311, no. 3, pp. 192-194. https://doi.org/10.1056/NEJM198407193110316
Gopinathan G, Lieberman AN, Neophytides A, Goldstein M, de Yebenes JG, Mena MA et al. On–Off Phenomenon in Parkinson's Disease. New England Journal of Medicine. 1984 Jul 19;311(3):192-194. https://doi.org/10.1056/NEJM198407193110316
Gopinathan, G. ; Lieberman, A. N. ; Neophytides, A. ; Goldstein, M. ; de Yebenes, J. G. ; Mena, M. A. ; Muradas, V. ; Bazan, E. ; Reiriz, J. ; Nutt, John ; Woodward, William ; Hammerstad, John ; Carter, Julie ; Anderson, John L. / On–Off Phenomenon in Parkinson's Disease. In: New England Journal of Medicine. 1984 ; Vol. 311, No. 3. pp. 192-194.
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AU - Lieberman, A. N.

AU - Neophytides, A.

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AU - de Yebenes, J. G.

AU - Mena, M. A.

AU - Muradas, V.

AU - Bazan, E.

AU - Reiriz, J.

AU - Nutt, John

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AU - Hammerstad, John

AU - Carter, Julie

AU - Anderson, John L.

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