Not applicableActive Not RecruitingNCT05757206What this trial is testingThe Syn-Sleep StudyWho this might be right forREM Sleep Behavior Disorder (iRBD) CND Life Sciences 80
Early research (Phase 1)Study completedNCT02046434What this trial is testingPhenylbutyrate Response as a Biomarker for Alpha-synuclein Clearance From the BrainWho this might be right forParkinson's Disease University of Colorado, Denver 38
Not applicableLooking for participantsNCT04724941What this trial is testingProdromal Alpha-Synuclein Screening in Parkinson's Disease StudyWho this might be right forParkinson Disease University Hospital Schleswig-Holstein 2,000
Not applicableUnknownNCT04264273What this trial is testingDiagnosis of Parkinson´s Disease by Means of Submandibular Gland Needle BiopsyWho this might be right forParkinson Disease Universität des Saarlandes 60
Not applicableActive Not RecruitingNCT06621602What this trial is testingQuantification of Phosphorylated Alpha-synuclein in Cutaneous Biopsies as a Prospective Biomarker in Parkinson's DiseaseWho this might be right forREM Behavior DisorderParkinson Disease CND Life Sciences 100
Not applicableLooking for participantsNCT07204652What this trial is testingColonoscopic Detection of Phosphorylated Alpha-synuclein for Parkinson's DiagnosisWho this might be right forPARKINSON DISEASE (Disorder)ParkinsonParkinson's Disease and Parkinsonism+1 more CND Life Sciences 20
Not applicableStudy completedNCT01485549What this trial is testingOligomeric Alpha-synuclein in Multiple System AtrophyWho this might be right forMultiple System Atrophy (MSA) University Hospital, Bordeaux 48
Not applicableStudy completedNCT05638815What this trial is testingAn Observational Study of Parkinson's Disease and Other Synucleinopathies (EASE-PD)Who this might be right forParkinson's DiseaseMultiple System Atrophy SciNeuro 89
Early research (Phase 1)WithdrawnNCT02758730What this trial is testingStudy Assessing Tolerability and Safety and Exploring the Immunogenicity and Therapeutic Activity of AFFITOPE® PD01A in PD-GBA PatientsWho this might be right forParkinson's Disease Affiris AG
Not applicableStudy completedNCT04518059What this trial is testingMisfolded Proteins in the Skin of People With Parkinson's Disease and Other ParkinsonismWho this might be right forParkinson DiseaseParkinsonismDementia With Lewy Bodies+3 more University Hospitals Cleveland Medical Center 184
Not applicableStudy completedNCT03170063What this trial is testingFoxBioNet Pilot Project: SAVE (Synuclein Assay Validation Effort)Who this might be right forParkinson Disease Michael J. Fox Foundation for Parkinson's Research 54
Early research (Phase 1)Study completedNCT04685265What this trial is testingAssess the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of anle138b in Parkinson's DiseaseWho this might be right forParkinson Disease MODAG GmbH 70
Not applicableUnknownNCT04062279What this trial is testingPredictors of Parkinson's Disease ProgressionWho this might be right forParkinson DiseaseCognitive DysfunctionBiomarkers Ain Shams University 100
Testing effectiveness (Phase 2)Ended earlyNCT03318523What this trial is testingEvaluating the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of BIIB054 in Participants With Parkinson's DiseaseWho this might be right forParkinson's Disease Biogen 357
Not applicableStudy completedNCT00105131What this trial is testingGenetic Characterization of Parkinson's DiseaseWho this might be right forParkinson DiseasePDMovement Disorder+2 more National Institute of Neurological Disorders and Stroke (NINDS) 2,500
Not applicableLooking for participantsNCT05740683What this trial is testingAlpha-synuclein Rt-quic and Neurologic Symptoms in Persons With idiOpathic anosMiAWho this might be right forIdiopathic AnosmiaIdiopathic HyposmiaIdiopathic Olfactory Dysfunction Danish Dementia Research Centre 100
Not applicableStudy completedNCT02572713What this trial is testingSystemic Synuclein Sampling Study (S4)Who this might be right forParkinson's Disease Michael J. Fox Foundation for Parkinson's Research 80
Not applicableLooking for participantsNCT06846658What this trial is testingExploring the Olfactory Mucosa, Blood and Urine for the Identification of Early Biomarkers of Parkinson's Disease, Atypical Parkinsonisms and Neurocognitive Disorders Due to Lewy Body DiseaseWho this might be right forParkinson DiseaseMSA - Multiple System AtrophyLewy Body Dementia (LBD)+2 more Fondazione I.R.C.C.S. Istituto Neurologico Carlo Besta 180
Very early researchLooking for participantsNCT07348250What this trial is testingOpen-label Study to Evaluate Brain α-Synuclein Deposition Using PET and [18F]MK-0947 in Parkinson's DiseaseWho this might be right forParkinson's Disease (PD)Parkinson's DiseaseParkinson's Disease (Disorder) Invicro 22
Not applicableUnknownNCT01876459What this trial is testingAlpha-synuclein in Cerebrospinal Fluid to Differentiate Alzheimer's Disease From Lewy Body Disease.Who this might be right for"Alzheimer's Disease" and "Lewy Body Disease" University Hospital, Strasbourg, France 265