Clinical trials: Alpha-Synucleinopathy
Parkinson's Disease (PD), Parkinson's Disease
Open-label Study to Evaluate Brain α-Synuclein Deposition Using PET and [18F]MK-0947 in Parkinson's Disease
This clinical study is being conducted to learn more about a new imaging drug called [18F]MK-0947, which is designed to help doctors see changes in the brain related to Parkinson's disease (PD).
- Conditions
- Parkinson's Disease (PD), Parkinson's Disease, Parkinson's Disease (Disorder)
- Trial name
- NCT07348250
- Testing
- [18F]MK-0947
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Invicro
Parkinson's Disease
Phenylbutyrate Response as a Biomarker for Alpha-synuclein Clearance From the Brain
This is a Phase I clinical trial of the FDA approved drug Glycerol Phenylbutyrate to see if phenylbutyrate can increase the removal of alpha-synuclein from the brain into the bloodstream.
- Trial name
- NCT02046434
- Testing
- Glycerol Phenylbutyrate
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
REM Sleep Behavior Disorder, Synucleinopathies
A Comprehensive, Multimodal Characterization of Prodromal PD in Subjects With RBD
Comprehensive characterization of early-stage Parkinson's disease in patients with REM sleep behavior disorder Parkinson's disease (PD) is the fastest-growing neurodegenerative disorder worldwide, significantly affecting quality…
- Conditions
- REM Sleep Behavior Disorder, Synucleinopathies, Parkinson's Disease (PD), Prodromal Parkinson's Disease
- Trial name
- 7T-RBD (NCT07790744)
- Where
- Denmark
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Danish Research Centre for Magnetic Resonance
REM Sleep Behavior Disorder
Gut Microbiota Across Early Stages of Synucleinopathy: From High-risk Relatives, REM Sleep Behavior Disorder to Early Parkinson's Disease
With the global ageing population, neurodegenerative disorders including synucleinopathy are major burdens to patients, carers and society.
- Trial name
- NCT03645226
- Testing
- Colonoscopy
- Where
- 2 sites in Hong Kong
- Volunteers
- 441 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Parkinsons Disease (PD), Healthy Elderly Volunteers
MK-0947 PN-002: An Open-label Study to Evaluate Brain α-synuclein Deposition Using Positron Emission Tomography (PET) and [¹⁸F]MK-0947 in Participants With Parkinson's Disease (PD)
This is a single-center, open-label clinical study designed to evaluate alpha-synuclein (ASYN) deposition in the brain of participants with Parkinson's disease (PD), as compared with healthy elderly (HE) participants.
- Trial name
- NCT07880379
- Testing
- [¹⁸F]MK-0947
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- XingImaging, LLC
Parkinson Disease (PD), MSA - Multiple System Atrophy
Test-retest Trial With [11C]MODAG-005 in PD or MSA and AMHC - Pilot Phase
This is an open-label, single-center Phase 1 study evaluating the safety, tolerability, and test-retest characteristics of [11C]MODAG-005, an investigational positron emission tomography/computed tomography (PET/CT) radioligand…
- Conditions
- Parkinson Disease (PD), MSA - Multiple System Atrophy, Healthy Adult Participants
- Trial name
- PIOSA (NCT07640542)
- Testing
- [11C]MODAG-005
- Where
- Germany
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- MODAG GmbH
Parkinson Disease, Parkinsonian Disorders
Usefulness of α-synuclein as a Marker for Early Diagnosis of Parkinson's Disease in Skin Biopsy.
Parkinson's disease (PD) is a degenerative disease that can be difficult to diagnose. The clinicopathological studies had demonstrated a 76% accuracy in the clinical diagnosis of PD.
- Trial name
- NCT01380899
- Testing
- Biopsy of skin
- Where
- Mexico
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Universidad Autonoma de San Luis Potosí
REM Sleep Behavior Disorder, Parkinson Disease
North American Prodromal Synucleinopathy Consortium Stage 2
This study will enroll participants with idiopathic REM sleep behavior disorder (RBD) and healthy controls for the purpose of preparing for a clinical trial of neuroprotective treatments against synucleinopathies.
- Conditions
- REM Sleep Behavior Disorder, Parkinson Disease, Lewy Body Dementia, Dementia With Lewy Bodies
- Trial name
- NAPS2 (NCT05826457)
- Where
- 9 sites in United States, Canada
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Parkinson Disease
Prodromal Alpha-Synuclein Screening in Parkinson's Disease Study
The PASS-PD study is set out to screen individuals from the general population with an increased risk for the development of Parkinson's Disease (PD) and to investigate this highly enriched cohort longitudinally for five year.
- Trial name
- PASS-PD (NCT04724941)
- Testing
- No intervention
- Where
- Germany
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- University Hospital Schleswig-Holstein
Parkinson Disease
Parkinson's Disease Biomarkers in Nerve Cells in the Gut
Parkinson's disease affects all the nerve cells in the body, including the ones in the gut. The gut contains its own nervous system, the enteric nervous system, and can be thought of as a "second brain".
- Trial name
- PD-ENS (NCT05347407)
- Testing
- Colonoscopy
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Parkinson Disease, Irritable Bowel Syndrome
Early Signs of Parkinsons Disease in IBS
Bowel symptoms like constipation and abdominal pain are characteristic symptoms of irritable bowel syndrome (IBS). The pathogenesis and pathophysiology are not fully understood but subject to intense research, with emphasis on…
- Trial name
- NCT05573542
- Where
- Sweden
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Örebro University, Sweden
Alzheimer Disease, Frontotemporal Dementia
Proteinopathies Expression in Skin of Neurodegenerative Disorders
The goal of this observational study is to compare the aggregation pattern of proteinopathies (alpha-synuclein, amyloid-beta, phosphorylated tau and transactive response DNA -binding protein 43 [TDP43]) in skin biopsies of…
- Conditions
- Alzheimer Disease, Frontotemporal Dementia, Parkinson Disease, Atypical Parkinsonism
- Trial name
- NCT06528964
- Testing
- Immunohistochemistry and immunofluorescence
- Where
- Mexico
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Universidad Autonoma de San Luis Potosí
Healthy Volunteers
A First-in-Human Study of Single and Multiple Doses of anle138b in Healthy Subjects
The purpose of this study is to determine the safety, tolerability and blood levels of orally administered anle138b in healthy subjects.
- Trial name
- NCT04208152
- Testing
- anle138b
- Where
- United Kingdom
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- MODAG GmbH
Parkinson's Disease
Cutaneous Autonomic Pilomotor Testing to Unveil the Role of Neuropathy Progression in Early Parkinson's Disease
In Parkinson's disease (PD), alpha-synuclein accumulation in cutaneous autonomic pilomotor and sudomotor nerve fibers has been linked to autonomic nervous system disturbances even in the early stages of the disease.
- Trial name
- CAPTURE-PD (NCT03043768)
- Where
- 4 sites in United States, Germany and 1 more
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- GWT-TUD GmbH
Parkinson Disease, REM Sleep Behavior Disorder
Detecting Parkinson's Disease Through Speech Analysis
Speech is an important indicator of motor function and movement coordination and can be extremely sensitive to involvement in the course of neurologic diseases.
- Trial name
- NCT03133611
- Testing
- Speech assessment, Routine clinical assessment
- Where
- 7 sites in United States, Austria and 5 more
- Volunteers
- 350 people, healthy volunteers welcome
- Sponsor
- Czech Technical University in Prague
Parkinson Disease, Multiple System Atrophy
A Pilot Biomarker Study Assessing Alpha-synuclein Aggregates Across Biofluid Reservoirs in Patients With Synucleinopathies
This will be an observational study looking at clinical and biomarker characteristics in patients with Parkinson's Disease (PD), Multiple System Atrophy (MSA), Rapid Eye Movement Sleep Behavior Disorder (RBD), Normal Pressure…
- Conditions
- Parkinson Disease, Multiple System Atrophy, Rapid Eye Movement Sleep Behavior Disorder, Normal Pressure Hydrocephalus
- Trial name
- NCT04020198
- Testing
- Biomarker assay
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Stony Brook University
Parkinson Disease, MSA - Multiple System Atrophy
Exploring 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 Disease
Clinical diagnosis of Parkinson's disease (PD), multiple system atrophy (MSA) and dementia with Lewy bodies (DLB) is challenging, especially in the early stages.
- Conditions
- Parkinson Disease, MSA - Multiple System Atrophy, Lewy Body Dementia (LBD), Neurodegenerative Disease
- Trial name
- EXTRAORDINARY (NCT06846658)
- Where
- 3 sites in Italy
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Fondazione I.R.C.C.S. Istituto Neurologico Carlo Besta
α-synucleinopathy
A Registered Cohort Study on α-Synucleinopathy
α-Synucleinopathy is a cluster of neurodegenerative disease with motor and non-motor symptom. The data to be collected is intended to help healthcare providers make important medical decisions concerning α-synucleinopathy…
- Trial name
- NCT05527067
- Testing
- Data collection
- Where
- China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Fujian Medical University Union Hospital
REM Sleep Behavior Disorder, Neurodegeneration
Progression of Prodromal Markers of α-synucleinopathy Neurodegeneration in the FDRs of Patients With RBD
This study is a prospective study with a mean of 5-year follow-up interval, aims to monitor the progression of α-synucleinopathy neurodegeneration by the evolution of prodromal markers and development of clinical disorders in…
- Trial name
- NCT03671772
- Where
- Hong Kong
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Parkinson Disease
Progression Follow up of the First-degree Relatives of Patients With REM Sleep Behavior Disorder
REM sleep behavior disorder is a novel and distinct parasomnia characterized by recurrent dream enactment behaviors (DEBs) and polysomnographic features of REM sleep without atonia (RSWA), with typical onset age at early 60's.
- Trial name
- NCT05353959
- Testing
- No intervention
- Where
- Hong Kong
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong