1989
A pharmacokinetic and pharmacodynamic comparison of Sinemet CR (50/200) and standard Sinemet (25/100).
Cedarbaum JM, Kutt H, McDowell FH. A pharmacokinetic and pharmacodynamic comparison of Sinemet CR (50/200) and standard Sinemet (25/100). Neurology 1989, 39: 38-44; discussion 59. PMID: 2586762.Peer-Reviewed Original ResearchConceptsSinemet CRLevodopa levelsNew controlled-release formulationStandard Sinemet 25/100Advanced Parkinson's diseasePlasma levodopa levelsBioavailability of levodopaClinical observation studyAntiparkinsonian effectsLevodopa intakeSinemet 25/100Standard SinemetPharmacodynamic comparisonMedication dosesInterdose intervalParkinson's diseaseCR preparationControlled-release formulationLevodopaMotor performanceCarbidopaObservation studyDiseaseProlongationSinemet
1987
Controlled-release levodopa/carbidopa. II. Sinemet CR4 treatment of response fluctuations in Parkinson's disease.
Cedarbaum J, Breck L, Kutt H, McDowell F. Controlled-release levodopa/carbidopa. II. Sinemet CR4 treatment of response fluctuations in Parkinson's disease. Neurology 1987, 37: 1607-12. PMID: 3658164, DOI: 10.1212/wnl.37.10.1607-a.Peer-Reviewed Original ResearchConceptsSinemet CR4Interdose intervalParkinson's diseaseResponse fluctuationsTherapeutic response fluctuationsOpen-label trialPlasma levodopa levelsSlow-release preparationAntiparkinsonian effectsStandard levodopaLevodopa dosesLevodopa preparationsLevodopa levelsDaily dosesRelease preparationDiseaseLevodopaDosesProlongationTreatmentOverall benefitSinemetPatientsSlight reduction