2021
Evaluating dopamine transporter imaging as an enrichment biomarker in a phase 2 Parkinson’s disease trial
Hutchison R, Evans K, Fox T, Yang M, Barakos J, Bedell B, Cedarbaum J, Brys M, Siderowf A, Lang A. Evaluating dopamine transporter imaging as an enrichment biomarker in a phase 2 Parkinson’s disease trial. BMC Neurology 2021, 21: 459. PMID: 34814867, PMCID: PMC8609885, DOI: 10.1186/s12883-021-02470-8.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkersDopamineDopamine Plasma Membrane Transport ProteinsHumansParkinson DiseaseTomography, Emission-Computed, Single-PhotonConceptsDAT-SPECTParkinson's diseaseClinical trialsDisease trialsPhase 2 trialDopaminergic nerve terminalsEarly Parkinson's diseaseDisease-modifying therapiesIdiopathic Parkinson's diseaseMulticenter clinical trialParkinson's disease trialStudy design aspectsSingle photon emissionStages of progressionDegenerative parkinsonismEnrichment biomarkerResultsIn totalClinical assessmentNerve terminalsBlinded neuroradiologistsClinical diagnosisDopamine transporterMonoclonal antibodiesCentral laboratoryTrials
2019
The Qualification of an Enrichment Biomarker for Clinical Trials Targeting Early Stages of Parkinson’s Disease
Stephenson D, Hill D, Cedarbaum JM, Tome M, Vamvakas S, Romero K, Conrado DJ, Dexter DT, Seibyl J, Jennings D, Nicholas T, Matthews D, Xie Z, Imam S, Maguire P, Russell D, Gordon MF, Stebbins GT, Somer E, Gallagher J, Roach A, Basseches P, Grosset D, Marek K, Consortium O. The Qualification of an Enrichment Biomarker for Clinical Trials Targeting Early Stages of Parkinson’s Disease. Journal Of Parkinson's Disease 2019, 9: 553-563. PMID: 31306141, PMCID: PMC6700608, DOI: 10.3233/jpd-191648.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkersClinical Studies as TopicClinical Trials as TopicCorpus StriatumDopamine Plasma Membrane Transport ProteinsHumansObservational Studies as TopicParkinson DiseaseSocieties, MedicalTomography, Emission-Computed, Single-PhotonConceptsEuropean Medicines AgencyParkinson's diseaseDopamine transporterEnrichment biomarkerClinical trialsPD subjectsParkinson's Progression Markers Initiative (PPMI) studyMotor Parkinson's diseaseParkinson Research ExaminationStriatal DAT bindingUPDRS part IISingle photon emission tomographyAppropriate patient selectionEarly Parkinson's diseaseIdiopathic PD patientsClinical trial populationsFuture clinical trialsClinical trial dataPhoton emission tomographyEarly motor symptomsTest therapeuticsIndependent predictorsTherapeutic trialsDopaminergic deficitMotor symptomsMolecular Neuroimaging of the Dopamine Transporter as a Patient Enrichment Biomarker for Clinical Trials for Early Parkinson's Disease
Romero K, Conrado D, Burton J, Nicholas T, Sinha V, Macha S, Ahamadi M, Cedarbaum J, Seibyl J, Marek K, Basseches P, Hill D, Somer E, Gallagher J, Dexter DT, Roach A, Stephenson D, Consortium F, Initiative T. Molecular Neuroimaging of the Dopamine Transporter as a Patient Enrichment Biomarker for Clinical Trials for Early Parkinson's Disease. Clinical And Translational Science 2019, 12: 240-246. PMID: 30706986, PMCID: PMC6510371, DOI: 10.1111/cts.12619.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkersClinical Trials as TopicDisease ProgressionDopamine Plasma Membrane Transport ProteinsHumansModels, BiologicalMotor ActivityNeuroimagingParkinson DiseaseConceptsClinical trialsImaging biomarkersDopamine transporterEuropean Medicines Agency's CommitteeParkinson's disease clinical trialsEarly Parkinson's diseaseCritical Path InstitutePatient selectionEnrichment biomarkerParkinson's diseaseMolecular neuroimagingPharmaceutical partnersDiseaseBiomarkersTrialsQualification opinionHuman useInternational ConsortiumTransportersMedical productsNeuroimaging