1993
The effect of L-dopa infusions with and without phenylalanine challenges in parkinsonian patients: plasma and ventricular CSF L-dopa levels and clinical responses.
Woodward WR, Olanow CW, Beckner RM, Hauser RA, Gauger LL, Cedarbaum JM, Nutt JG. The effect of L-dopa infusions with and without phenylalanine challenges in parkinsonian patients: plasma and ventricular CSF L-dopa levels and clinical responses. Neurology 1993, 43: 1704-8. PMID: 8414016, DOI: 10.1212/wnl.43.9.1704.Peer-Reviewed Original ResearchConceptsL-DOPAMotor responseLarge neutral amino acidsVentricular CSF concentrationsAdvanced Parkinson's diseaseL-DOPA infusionL-DOPA levelsClinical responseParkinsonian patientsCSF concentrationsOral administrationNeutral amino acidsParkinson's diseaseInfusionPatientsPhenylalanine challengeReliable predictorCSFVDiseaseBrainDurationResponsePlasmaLevelsAdministration
1989
A double-blind crossover comparison of Sinemet CR4 and standard Sinemet 25/100 in patients with Parkinson's disease and fluctuating motor performance.
Cedarbaum JM, Hoey M, McDowell FH. A double-blind crossover comparison of Sinemet CR4 and standard Sinemet 25/100 in patients with Parkinson's disease and fluctuating motor performance. Journal Of Neurology Neurosurgery & Psychiatry 1989, 52: 207. PMID: 2649640, PMCID: PMC1032507, DOI: 10.1136/jnnp.52.2.207.Peer-Reviewed Original ResearchConceptsStandard Sinemet 25/100Sinemet 25/100Sinemet CR4Controlled-release levodopa/carbidopaDouble-blind crossover comparisonDaily medication dosesDouble-blind partMean interdose intervalLevodopa/carbidopaAntiparkinson effectMedication dosesInterdose intervalSevere dyskinesiaCrossover comparisonCrossover trialParkinsonian patientsTherapeutic responseMedication administrationMotor functionAntiparkinsonian agentsParkinson's diseaseOpen treatmentMotor responsePatientsMotor performance