Parkinson DiseasePROATYPNCT06501469
Biomarkers in Parkinsonian Syndromes
An observational study of Parkinson Disease and Progressive Supranuclear Palsy, run by Non-profit organization for scientific research in Parkinson's disease and related disorders at 1 site in Greece.
Trial summary
This is a prospective observational study to identify biomarkers in parkinson syndromes. Patients with parkinsonian syndromes at the early stages of disease will be recruited and will be followed up until their established clinical diagnosis or for at least 5 years. Read more about this study
- Who is it for?
- Any age
- Conditions the study is for
- Parkinson Disease, Progressive Supranuclear Palsy, Multiple System Atrophy
- How many people
- 200 participants
- Where
- 1 siteGreece
- Study dates
- 23 Mar 2022to 13 May 2031
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Any age
- All sexes
- No healthy volunteers
- Child, Adult, Older adult
Study population: * patients with unclassified Parkinsonism and disease duration < 2 years * patients with suggestive, possible or probable progressive suprnanuclear palsy (PSP) according to established clinical criteria * patients with possible, probable or clinically confirmed multiple system atrophy (MSA) according to established clinical criteria * patients with Parkinson's disease (PD) according to established clinical criteria
Who may be able to join
None listed.
Who cannot join
- Drug-induced parkinsonism (eg, neuroleptics, lithium, valproic acid, metoclopramide).
- Metabolic conditions related parkinsonism (eg, Wilson's disease, hypoparathyroidism).
- Structural lesions on brain magnetic resonance imaging (MRI) that explain the symptoms, such as normal pressure hydrocephalus, moderate to severe chronic vascular encephalopathy, cerebral infarction, neoplasm
- Other serious diseases that indicate a life expectancy of <5 years.
- Active participation in other interventional clinical studies
Trial locations and contacts
1 site in 1 country.
Greece1 site
HYGEIA Hospital, Parkinson's disease and Movement Disorders Department
Athens, Athens, 15123
About this study
Official title: Prospective, Observational Study to Identify Biomarkers in Parkinsonian Syndromes
This is a prospective observational study to identify biomarkers in parkinson syndromes. Patients with parkinsonian syndromes at the early stages of disease will be recruited and will be followed up until their established clinical diagnosis or for at least 5 years. In this population, imaging and wet biomarkers as well as clinical data will b systematically collected.
- Conditions
- Parkinson Disease, Progressive Supranuclear Palsy, Multiple System Atrophy, Atypical Parkinsonism, Parkinsonism
- Keywords
- Parkinson's disease, Progressive Supranuclear Palsy, Multiple System Atrophy, Atypical Parkinsonism, Parkinsonism, Biomarkers
- Medical subject headings
- Parkinson Disease, Supranuclear Palsy, Progressive, Multiple System Atrophy, Parkinsonian Disorders
What is being measured
The primary outcome is the main question the study is designed to answer.
Demographics
Age, gender, education, origin, race
Measured: At enrolment
Family history
Family history of Parkinson's, dementia, tremor, other movement disorders, other neurological disorders
Measured: At enrolment
Age
Age at onset in years
Measured: At enrolment
Disease duration
Disease duration in years
Measured: At enrolment
First motor symptom
First motor symptom time of onset
Measured: At enrolment
First non-motor symptom
First non-motor symptom time of onset
Measured: At enrolment
Side of onset
Side of onset of first motor symptom
Measured: At enrolment
Staging
Hoehn and Yahr stage (H\&Y) stage (1-5, higher score indicate higher impairment)
Measured: At enrolment and every six months over 5 years
Clinical scales - Unified Parkinson's disease rating scale (UPDRS)
Unified Parkinson's disease rating scale I-IV (UPDRS I-IV, 0-260; higher scores indicate higher impairment)
Measured: At enrolment and every six months over 5 years
Clinical scales for Progressive supranuclear palsy (PSP)
Progressive supranuclear palsy rating scale (PSP-RS) (0-100; higher scores indicate higher impairment)
Measured: At enrolment and every six months over 5 years
Clinical scales for Multiple system atrophy (MSA)
Unified Multiple system atrophy rating scale (UMSAPRS)(0-104; higher scores indicate higher impairment)
Measured: At enrolment and every six months over 5 years
Clinical scales for PSP short
Progressive Supranuclear Palsy Clinical Deflicts Scale (PSP-CDS)(0-21; higher scores indicate higher impairment)
Measured: At enrolment and every six months over 5 years
Clinical scales for apathy
Starkstein Apathy Scale (SAS) (0-56; higher scores indicate higher impairment)
Measured: At enrolment and every six months over 5 years
Clinical scale for autonomic dysfunction
The Scale for Outcomes in Parkinson's disease for Autonomic symptoms - (0-100; higher scores indicate higher impairment)
Measured: At enrolment and every six months over 5 years
Clinical scale for cognition
Montreal Cognitive Assessment (MOCA) (0-30, lower scores indicate higher impairment)
Measured: At enrolment and every six months over 5 years
Clinical scale for frontal dysfunction
Frontal assessment battery (FAB) (0-18, lower scores indicate higher impairment)
Measured: At enrolment and every six months over 5 years
Imaging outcome measures - nuclear medicine investigations
(meta-iodobenzylguanidine) MIBG-Scintigraphy heart
Measured: At enrolment
Imaging outcome measures - Positron emission tomography (PET)
fluorodeoxyglucose (FDG) -PET brain
Measured: At enrolment
Imaging outcome measures - Dopamine Transporters imaging (DaTScan)
MRI brain
Measured: At enrolment
Imaging outcome measures - Magnetic resonance imaging (MRI)
MRI brain
Measured: At enrolment
Blood samples analysis (DNA)
Whole exome sequencing - genetic testing
Measured: At enrolment
Blood samples analysis (biomarkers, exosomes)
Peripheral blood mononuclear cell (PBMCs), peripheral blood mononuclear cells, exosomes
Measured: At enrolment and after 2 years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted15 Jul 2024
- Study start23 Mar 2022
- Primary completion13 May 2031 (estimated)
- Study completion13 May 2031 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Parkinson DiseaseStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 200 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Non-profit organization for scientific research in Parkinson's disease and related disorders
- Sponsor type
- University, hospital or other
- Collaborators
- Biomedical Research Foundation, Academy of Athens
- Responsible party
- Sponsor
- Investigators
- Maria Stamelou, Prof Dr, Principal investigator, HYGEIA Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06501469
- Sponsor's protocol ID
- 642
- Acronym
- PROATYP
- Status last verified
- Jun 2026
- First submitted
- 20 Jun 2024
- Last updated
- 17 Jun 2026
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 17 Jun 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Prospective, Observational Study to Identify Biomarkers in Parkinsonian Syndromes
- ClinicalTrials.gov ID
- NCT06501469
- Acronym / sponsor ID
- PROATYP / 642
- Conditions
- Parkinson Disease, Progressive Supranuclear Palsy, Multiple System Atrophy, Atypical Parkinsonism, Parkinsonism
- Keywords
- Parkinson's disease, Progressive Supranuclear Palsy, Multiple System Atrophy, Atypical Parkinsonism, Parkinsonism, Biomarkers
- Study type
- Observational
- Recruitment status
- Active, not recruiting
- Enrolment
- 200 participants (estimated)
- Lead sponsor
- Non-profit organization for scientific research in Parkinson's disease and related disordersUniversity, hospital or other
- Collaborators
- Biomedical Research Foundation, Academy of Athens
- Study start
- 23 Mar 2022 (actual)
- Primary completion
- 13 May 2031 (estimated)
- Study completion
- 13 May 2031 (estimated)
- First posted
- 15 Jul 2024 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This is a prospective observational study to identify biomarkers in parkinson syndromes. Patients with parkinsonian syndromes at the early stages of disease will be recruited and will be followed up until their established clinical diagnosis or for at least 5 years. In this population, imaging and wet biomarkers as well as clinical data will b systematically collected.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
Who may qualify
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult, Older adult
- Study population
- * patients with unclassified Parkinsonism and disease duration < 2 years * patients with suggestive, possible or probable progressive suprnanuclear palsy (PSP) according to established clinical criteria * patients with possible, probable or clinically confirmed multiple system atrophy (MSA) according to established clinical criteria * patients with Parkinson's disease (PD) according to established clinical criteria
Key inclusion criteria (0 listed)
Key exclusion criteria (5 listed)
- Drug-induced parkinsonism (eg, neuroleptics, lithium, valproic acid, metoclopramide).
- Metabolic conditions related parkinsonism (eg, Wilson's disease, hypoparathyroidism).
- Structural lesions on brain magnetic resonance imaging (MRI) that explain the symptoms, such as normal pressure hydrocephalus, moderate to severe chronic vascular encephalopathy, cerebral infarction, neoplasm
- Other serious diseases that indicate a life expectancy of <5 years.
- Active participation in other interventional clinical studies
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Demographics
Time frame: At enrolment
Age, gender, education, origin, race
Family history
Time frame: At enrolment
Family history of Parkinson's, dementia, tremor, other movement disorders, other neurological disorders
Age
Time frame: At enrolment
Age at onset in years
Disease duration
Time frame: At enrolment
Disease duration in years
First motor symptom
Time frame: At enrolment
First motor symptom time of onset
First non-motor symptom
Time frame: At enrolment
First non-motor symptom time of onset
Side of onset
Time frame: At enrolment
Side of onset of first motor symptom
Staging
Time frame: At enrolment and every six months over 5 years
Hoehn and Yahr stage (H\&Y) stage (1-5, higher score indicate higher impairment)
Clinical scales - Unified Parkinson's disease rating scale (UPDRS)
Time frame: At enrolment and every six months over 5 years
Unified Parkinson's disease rating scale I-IV (UPDRS I-IV, 0-260; higher scores indicate higher impairment)
Clinical scales for Progressive supranuclear palsy (PSP)
Time frame: At enrolment and every six months over 5 years
Progressive supranuclear palsy rating scale (PSP-RS) (0-100; higher scores indicate higher impairment)
Clinical scales for Multiple system atrophy (MSA)
Time frame: At enrolment and every six months over 5 years
Unified Multiple system atrophy rating scale (UMSAPRS)(0-104; higher scores indicate higher impairment)
Clinical scales for PSP short
Time frame: At enrolment and every six months over 5 years
Progressive Supranuclear Palsy Clinical Deflicts Scale (PSP-CDS)(0-21; higher scores indicate higher impairment)
Clinical scales for apathy
Time frame: At enrolment and every six months over 5 years
Starkstein Apathy Scale (SAS) (0-56; higher scores indicate higher impairment)
Clinical scale for autonomic dysfunction
Time frame: At enrolment and every six months over 5 years
The Scale for Outcomes in Parkinson's disease for Autonomic symptoms - (0-100; higher scores indicate higher impairment)
Clinical scale for cognition
Time frame: At enrolment and every six months over 5 years
Montreal Cognitive Assessment (MOCA) (0-30, lower scores indicate higher impairment)
Clinical scale for frontal dysfunction
Time frame: At enrolment and every six months over 5 years
Frontal assessment battery (FAB) (0-18, lower scores indicate higher impairment)
Imaging outcome measures - nuclear medicine investigations
Time frame: At enrolment
(meta-iodobenzylguanidine) MIBG-Scintigraphy heart
Imaging outcome measures - Positron emission tomography (PET)
Time frame: At enrolment
fluorodeoxyglucose (FDG) -PET brain
Imaging outcome measures - Dopamine Transporters imaging (DaTScan)
Time frame: At enrolment
MRI brain
Imaging outcome measures - Magnetic resonance imaging (MRI)
Time frame: At enrolment
MRI brain
Blood samples analysis (DNA)
Time frame: At enrolment
Whole exome sequencing - genetic testing
Blood samples analysis (biomarkers, exosomes)
Time frame: At enrolment and after 2 years
Peripheral blood mononuclear cell (PBMCs), peripheral blood mononuclear cells, exosomes
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 17 Jun 2026.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Maria Stamelou, Prof Dr principal investigator
HYGEIA Hospital
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Parkinson Disease and Progressive Supranuclear Palsy, run by Non-profit organization for scientific research in Parkinson's disease and related disorders at 1 site in Greece.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 0 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: under way, not looking for participants, as of the sponsor's last update on 17 Jun 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Greece. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Demographics (time frame: At enrolment). The study lists 22 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Jun 2026.