Simultaneous determination of levodopa, carbidopa, entacapone, tolcapone, 3-O-methyldopa and dopamine in human plasma by an HPLC–MS/MS method

Bioanalytical chromatographic methods for the determination of catechol- O -methyltransferase inhibitors in rodents and human samples: A review

(2011) Daniela Gonçalves et al.   ANALYTICA CHIMICA ACTA

Comparative Bioavailability of 2 Tablet Formulations of Levodopa/Benserazide in Healthy, Fasting Volunteers: A Single-Dose, Randomized-Sequence, Open-Label Crossover Study

(2011) Guillermo A. Keller et al.   CLINICAL THERAPEUTICS

Development and validation of a high-performance liquid chromatography-electrospray ionization-MS/MS method for the simultaneous quantitation of levodopa and carbidopa in human plasma

(2011) Isabela Costa César et al.   JOURNAL OF MASS SPECTROMETRY

Simultaneous quantitation of levodopa and 3-O-methyldopa in human plasma by HPLC–ESI-MS/MS: Application for a pharmacokinetic study with a levodopa/benserazide formulation

(2011) Isabela da Costa César et al.   JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS

Treatment of Parkinson's disease: focus on quality of life issues

(2011) Ryan J. Uitti   PARKINSONISM & RELATED DISORDERS

Simultaneous Determination of Levodopa, Benserazide and 3-O-Methyldopa in Human Serum by LC–MS–MS

(2010) Le Pan et al.   CHROMATOGRAPHIA

Determination of l-dopa, carbidopa, 3-O-methyldopa and entacapone in human plasma by HPLC–ED

(2010) F. Bugamelli et al.   JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS

Fluctuation in plasma entacapone concentrations in accordance with variable plasma levodopa concentrations

(2010) Masahiro Nagai et al.   PARKINSONISM & RELATED DISORDERS

Influence of ageing on the pharmacokinetics of levodopa in elderly patients with Parkinson’s disease

(2010) Hiroshi Nagayama et al.   PARKINSONISM & RELATED DISORDERS

Kinetic Characterization of the Oxidation of Carbidopa and Benserazide by Tyrosinase and Peroxidase

(2009) Joseph Louis MUNOZ-MUNOZ et al.   BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY

Pharmacokinetic—pharmacodynamic interaction between nebicapone and controlled-release levodopa/benserazide: A single-center, phase I, double-blind, randomized, placebo-controlled, four-way crossover study in healthy subjects

(2009) Teresa Nunes et al.   CLINICAL THERAPEUTICS

Comparison of pharmacokinetic profile of levodopa throughout the day between levodopa/carbidopa/entacapone and levodopa/carbidopa when administered four or five times daily

(2009) Mikko Kuoppamäki et al.   EUROPEAN JOURNAL OF CLINICAL PHARMACOLOGY

Levodopa delivery systems for the treatment of Parkinson's disease: An overview

(2009) J. Goole et al.   INTERNATIONAL JOURNAL OF PHARMACEUTICS

Chromatographic separation of (E)- and (Z)-isomers of entacapone and their simultaneous quantitation in human plasma by LC–ESI-MS/MS

(2009) Manish Yadav et al.   JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES

Simultaneous determination of serum concentrations of levodopa, dopamine, 3-O-methyldopa and α-methyldopa by HPLC

(2007) Chiara Muzzi et al.   BIOMEDICINE & PHARMACOTHERAPY