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 studyDiseaseProlongationSinemetA 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