How is the combination of levodopa, carbidopa, and entacapone used in the management of Parkinson disease (PD)?

Updated: Aug 29, 2019
  • Author: Robert A Hauser, MD, MBA; Chief Editor: Selim R Benbadis, MD  more...
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Levodopa/carbidopa is also available in combination with entacapone, a catechol-O-methyltransferase (COMT) inhibitor. When entacapone is given in conjunction with levodopa and carbidopa, plasma levels of levodopa are higher and more sustained than after administration of levodopa and carbidopa alone. Levodopa/carbidopa/entacapone is useful in advanced Parkinson disease in patients with motor fluctuations. In the STRIDE-PD (STalevo Reduction In Dyskinesia Evaluation) study, patients with early Parkinson disease treated with levodopa/carbidopa/entacapone (Stalevo) developed more dyskinesia than patients treated with levodopa/carbidopa; therefore, levodopa/carbidopa/entacapone is not recommended for treatment of early disease. [49]

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