L-dopa

American  

[el-doh-puh] / ˌɛlˈdoʊ pə /

noun

1. Pharmacology. levodopa.

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L-dopa British  

/ ɛlˈdəʊpə /

noun

1. Also called: levodopa.  a substance occurring naturally in the body and used to treat Parkinson's disease. Formula: C 9 H 11 NO 4

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L-dopa Scientific  

/ ĕl-dō′pə /

1. An amino acid that is the metabolic precursor of dopamine, is converted in the brain to dopamine, and is used in synthetic form to treat Parkinson's disease. Chemical formula: C ₉ H ₁₁ NO ₄ .

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Etymology

Origin of L-dopa

C20: from L-d ( ihydr ) o ( xy ) p ( henyl ) a ( lanine )

Example Sentences

The scientists were able to show that when dopamine release was elevated pharmacologically, the parameter that represents this speed-accuracy trade-off was reduced under both L-dopa and Haloperidol.

From Science Daily • Sep. 19, 2023

Even so, the amount of L-dopa that actually reaches its destination varies widely from patient to patient for reasons that only recently became clear.

From Scientific American • Jan. 19, 2020

A doctor tries the drug L-dopa on an immobile man and others like him in 1969 New York.

From Los Angeles Times • Sep. 27, 2019

Dr. Fahn delivered some startling news: He said he believed that Mr. Levine’s recent problems were caused not by the Parkinson’s itself but by the dosage of L-dopa he was taking to treat it.

From New York Times • Feb. 13, 2016

While drugs such as L-dopa and surgeries such as deep brain stimulation can help manage the symptoms, all attempts to slow, stop or reverse the disease’s course have failed.

From The Wall Street Journal • Oct. 2, 2015