- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04020198
A Pilot Biomarker Study Assessing Alpha-synuclein Aggregates Across Biofluid Reservoirs in Patients With Synucleinopathies
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is 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 Hydrocephalus (NPH) and matched controls. Saliva, plasma, serum, urine, and cerebrospinal fluid samples will be collected from participants. Samples will be assessed for levels of misfolded alpha-synuclein aggregates. Clinical characteristics will also be assessed.
Misfolded alpha-synuclein aggregates have the potential to serve as an early biomarker for PD and MSA, increasing the ability to diagnose and treat individuals with these diseases earlier. This study examines the effectiveness of using a novel technique for distinguishing between different parkinsonian disorders by measuring small misfolded α-synuclein aggregates in different biofluids.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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New York
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Stony Brook, New York, United States, 11794-8121
- Stony Brook University Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
For PD subjects:
Inclusion Criteria:
- Age 50-75
- Diagnosis of idiopathic PD as confirmed by a movement disorder specialist
- Age of onset of motor symptoms between 50 - 75
- Well-established response to dopaminergic agents and/or amantadine
- Ability to complete questionnaires
- Ability to provide informed consent
- Willingness to go off parkinsonian medication for 12 hours prior to "off" assessment
- Medical record includes a brain MRI taken within the past 12 months showing no evidence of a tumor or abscess
Exclusion Criteria:
- Symptomatic (secondary) parkinsonism (ie. drug induced)
- Atypical parkinsonian variants
- History of cancer (except basal or squamous cell skin cancer) within 5 years
- Known liver disease
- Hematological disorders
- History of stereotactic or ablative brain surgery
- Treatment with an investigational drug or device within the last 30 days
- Pregnancy
- Inability to comply with or tolerate study procedures
- Conditions precluding the safe performance of lumbar puncture (LP): use of anticoagulants and hematologic abnormalities (INR>1.3;platelet count <80,000)
MSA Subjects:
Inclusion Criteria:
- Age 50-75
- Age of onset of motor symptoms between 50-75
- Diagnosis of probable or possible MSA as confirmed by a movement disorders specialist
- Ability to complete questionnaires
- Ability to provide informed consent
- Willingness to go off parkinsonian medications for 12 hours prior to "off" assessment
- Medical record indicates a brain MRI taken within the past 12 months showing no evidence of a tumor or abscess
Exclusion Criteria
- Symptomatic (secondary) parkinsonism (ie. drug induced)
- History of cancer (except basal or squamous cell skin cancer) within 5 years
- Known liver disease
- Hematological disorders
- History of stereotactic or ablative brain surgery
- Treatment with an investigational drug or device within the last 30 days
- Pregnancy
- Inability to comply with or tolerate study procedures
- Conditions precluding the safe performance of lumbar puncture (LP): use of anticoagulants and hematologic abnormalities (INR>1.3;platelet count <80,000)
For RBD Subjects:
Inclusion Criteria:
- Age 50-75
- Diagnosis of RBD using current consensus criteria
- Ability to provide informed consent
- Ability to complete questionnaires
- Medical record indicates a brain MRI taken within the past 12 months showing no evidence of a tumor or abscess
Exclusion Criteria
- Signs for symptoms suggestive of parkinsonian disorder
- History of cancer (except basal or squamous cell skin cancer) within 5 years
- Known liver disease
- Hematological disorders
- History of stereotactic or ablative brain surgery
- Treatment with an investigational drug or device within the last 30 days
- Pregnancy
- Inability to comply with or tolerate study procedures
- Conditions precluding the safe performance of lumbar puncture (LP): use of anticoagulants and hematologic abnormalities (INR>1.3;platelet count <80,000)
For NPH:
Inclusion Criteria:
- Age 50-75
- Scheduled to undergo an LP to evaluate diagnosis of NPH at Stony Brook Neurological Associates
- Ability to complete questionnaires
- Ability to provide informed consent
Exclusion Criteria:
- History of cancer (except basal or squamous cell skin cancer) within 5 years
- Known liver disease
- Hematological disorders
- History of stereotactic or ablative brain surgery
- Treatment with an investigational drug or device within the last 30 days
- Pregnancy
- Inability to comply with or tolerate study procedures
- Conditions precluding the safe performance of lumbar puncture (LP): use of anticoagulants and hematologic abnormalities (INR>1.3;platelet count <80,000)
For Controls:
Inclusion Criteria:
- Age 50-75
- Scheduled to undergo an LP at Stony Brook Neurological Associates
- Ability to complete questionnaires
- Ability to provide informed consent
Exclusion Criteria:
- Signs or symptoms suggestive of parkinsonian disorder
- History of rapid eye movement (REM) Sleep Behavior Disorder (RBD)
- History of cancer (except basal or squamous cell skin cancer) within 5 years
- Known liver disease
- Hematological disorders
- History of stereotactic or ablative brain surgery
- Treatment with an investigational drug or device within the last 30 days
- Pregnancy
- Inability to comply with or tolerate study procedures
- Conditions precluding the safe performance of lumbar puncture (LP): use of anticoagulants and hematologic abnormalities (INR>1.3;platelet count <80,000)
Study Plan
How is the study designed?
Design Details
- Observational Models: Other
- Time Perspectives: Other
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Parkinson's Disease
Subjects who have a PD diagnosis
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Biomarker assay will be used to quantify levels of misfolded alpha-synuclein aggregates in biofluid samples from patients with Parkinson's disease, multiple system atrophy, rapid eye movement sleep behavior disorder, normal pressure hydrocephalus and controls.
|
Multiple System Atrophy
Subjects who have an MSA diagnosis
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Biomarker assay will be used to quantify levels of misfolded alpha-synuclein aggregates in biofluid samples from patients with Parkinson's disease, multiple system atrophy, rapid eye movement sleep behavior disorder, normal pressure hydrocephalus and controls.
|
Age-matched controls
Subjects who do not have a diagnosed parkinsonian disorder
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Biomarker assay will be used to quantify levels of misfolded alpha-synuclein aggregates in biofluid samples from patients with Parkinson's disease, multiple system atrophy, rapid eye movement sleep behavior disorder, normal pressure hydrocephalus and controls.
|
Rapid Eye Movement Sleep Behavior Disorder (RBD)
Subjects who have a diagnosis of RBD
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Biomarker assay will be used to quantify levels of misfolded alpha-synuclein aggregates in biofluid samples from patients with Parkinson's disease, multiple system atrophy, rapid eye movement sleep behavior disorder, normal pressure hydrocephalus and controls.
|
Normal Pressure Hydrocephalus
Subjects who are prescribed a lumbar puncture to treat normal pressure hydrocephalus
|
Biomarker assay will be used to quantify levels of misfolded alpha-synuclein aggregates in biofluid samples from patients with Parkinson's disease, multiple system atrophy, rapid eye movement sleep behavior disorder, normal pressure hydrocephalus and controls.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Compare levels of misfolded alpha-synuclein aggregates in participants with PD, MSA, RBD, NPH and controls
Time Frame: 3 weeks
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Levels of misfolded alpha-synuclein in CSF, serum, plasma, saliva, and urine will be quantified using the protein misfolding cyclic amplification (PMCA) technology
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3 weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Investigate the relationship between levels of misfolded alpha-synuclein aggregates and disease severity in PD and MSA
Time Frame: 3 weeks
|
Levels of misfolded alpha-synuclein aggregates will be quantified using the PMCA technology.
PD and MSA disease severity will be assessed using the Movement Disorder Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS) and the Unified Multiple System Atrophy Rating Scale (UMSARS), respectively.
All groups will receive the MDS-UPDRS III and the RBD Questionnaire.
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3 weeks
|
Investigate the relationship between levels of misfolded alpha-synuclein aggregates across different biofluid reservoirs, including CSF, serum, plasma, saliva, and urine
Time Frame: 3 weeks
|
Levels of misfolded alpha-synuclein in the different biofluid reservoirs will be quantified using the PMCA technology
|
3 weeks
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Carine W. Maurer, MD, PhD, Stony Brook University Medical Center
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Metabolic Diseases
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Sleep Wake Disorders
- Parkinsonian Disorders
- Basal Ganglia Diseases
- Movement Disorders
- Neurodegenerative Diseases
- Parasomnias
- Proteostasis Deficiencies
- Autonomic Nervous System Diseases
- Primary Dysautonomias
- Hypotension
- REM Sleep Parasomnias
- Parkinson Disease
- Mental Disorders
- Multiple System Atrophy
- Shy-Drager Syndrome
- Synucleinopathies
- REM Sleep Behavior Disorder
- Hydrocephalus
- Hydrocephalus, Normal Pressure
Other Study ID Numbers
- SNCA 1355881
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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