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
1992
3‐O‐methyldopa administration does not alter fluorodopa transport into the brain
Guttman M, Léger G, Cedarbaum J, Reches A, Woodward W, Evans A, Diksic M, Gjedde A. 3‐O‐methyldopa administration does not alter fluorodopa transport into the brain. Annals Of Neurology 1992, 31: 638-643. PMID: 1514775, DOI: 10.1002/ana.410310611.Peer-Reviewed Original ResearchConceptsChronic L-DOPA therapyAdvanced Parkinson's diseaseL-dopa therapyPositron emission tomographic studiesL-DOPA administrationEmission tomographic studiesPositron emission tomographyL-dopa preparationsParkinsonian patientsPlasma concentrationsCynomolgus monkeysParkinson's diseasePatientsEmission tomographyL-DOPABrainTomographic studiesDiseaseAdministrationInfusionTherapyBlood