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Clinical Trials/NCT06536348
NCT06536348
Not yet recruiting
Not Applicable

PARKINSON BRASIL - Database on Motor and Non-Motor Aspects of Parkinson's Disease in Brazil

Federal University of Uberlandia5 sites in 1 country958 target enrollmentMay 1, 2025

Overview

Phase
Not Applicable
Intervention
Not specified
Conditions
Parkinson Disease
Sponsor
Federal University of Uberlandia
Enrollment
958
Locations
5
Primary Endpoint
Date of diagnosis related to the primary ICD
Status
Not yet recruiting
Last Updated
last year

Overview

Brief Summary

This is an observational, cross-sectional study with a control group, with the general objective of developing and evaluating a national database, unprecedented in Brazil, containing clinical, epidemiological, motor, and non-motor aspects of Parkinson's disease (PD). The database will be open and accessible to national and international researchers in order to contribute to the advancement of research related to PD. The aim is to collect data, in a paired way, from a control group and an experimental group. Data collection will include the application of questionnaires, the execution of motor activities, and clinical scales. Information that can identify the participants will be removed from the database for later storage in a repository. Quantitative, qualitative, and descriptive variables from the database will be estimated in order to characterise and contrast the groups studied. The results of this study will contribute to a better characterization of the staging of PD as a function of the epidemiological, motor, and non-motor aspects evaluated, as well as to the development of technologies and methods that can be applied in clinical practice.

Registry
clinicaltrials.gov
Start Date
May 1, 2025
End Date
October 1, 2034
Last Updated
last year
Study Type
Observational
Sex
All

Investigators

Sponsor
Federal University of Uberlandia
Responsible Party
Principal Investigator
Principal Investigator

Adriano de Oliveira Andrade

Professor

Federal University of Uberlandia

Eligibility Criteria

Inclusion Criteria

  • Experimental group: (i) present a neurological diagnosis of Parkinson's disease; (ii) be classified between stages I to IV of the Hoehn \& Yahr Scale; (iii) have central visual acuity equal to or greater than 20/40 (equivalent to 0.50) in each eye or equal to or greater than 20/30 (equivalent to 0.66) in one eye according to the Snellen scale.
  • Control group: (i) not having a neurological diagnosis of Parkinson's disease or other neurological disease that resembles PD; (ii) have central visual acuity equal to or greater than 20/40 (equivalent to 0.50) in each eye or equal to or greater than 20/30 (equivalent to 0.66) in one eye according to the Snellen scale.

Exclusion Criteria

  • For both groups, individuals who have other neurological or musculoskeletal diseases that interfere with the execution of the tests will be excluded.

Outcomes

Primary Outcomes

Date of diagnosis related to the primary ICD

Time Frame: 10 years

date

Height

Time Frame: 10 years

Height in cm

Economic Rating Score

Time Frame: 10 years

Economic rating as given by the Brazilian Economic Classification Criteria (Brazilian Criteria) - https://www.abep.org/criterioBr/01_cceb_2022_eng.pdf

Medications in use

Time Frame: 10 years

name and daily dose of medications

Family history related to the primary ICD

Time Frame: 10 years

Is there family history related to the primary ICD? (yes, no)

Date of symptom onset related to the primary ICD

Time Frame: 10 years

date

Primary ICD

Time Frame: 10 years

Primary disorder classification according to the International Statistical Classification of Diseases and Related Health Problems (ICD) https://www.who.int/standards/classifications/classification-of-diseases

Sex

Time Frame: 10 years

Sex: male, female

Age

Time Frame: 10 years

Age in years

Length of schooling

Time Frame: 10 years

Length of schooling in years

Blood type

Time Frame: 10 years

Blood type: A+, A-, B+, B-, O+, O-, AB+, AB-

Current city of residence

Time Frame: 10 years

City of residence in Brazil

Weight

Time Frame: 10 years

Weight in kg

Housing classification

Time Frame: 10 years

Housing classification by type of housing ownership rights: State-owned housing, Municipality-owned housing, Natural person's owned housing, Legal person's owned housing, Private renting, Other

Use of technology

Time Frame: 10 years

Verification if the participant has had contact with one of the following devices: mobile, personal computer, mouse, webcam, keyboard, microphone, earphone.

MDS-Unified Parkinson's Disease Rating Scale (MDS-UPDRS)

Time Frame: 10 years

Clinical scale for measuring signs and symptoms of Parkinson's disease (https://www.movementdisorders.org/MDS/MDS-Rating-Scales/MDS-Unified-Parkinsons-Disease-Rating-Scale-MDS-UPDRS.htm?gad_source=1\&gclid=CjwKCAjwnqK1BhBvEiwAi7o0X6DuHrFh3qftNQ1N9AGWMkFo4BpG6b3hAFWnoh2Dwu86DPY53ZXpKRoCBRYQAvD_BwE) Each item of the Movement Disorder Society-Unified Parkinson's Disease Rating Scale will be evaluated as 0: Normal; 1: Slight; 2: Mild; 3: Moderate; 4: Severe. The minimum value of the scale is 0, whereas the maximum value is 4. Higher scores mean a worse outcome.

Visual Acuity

Time Frame: 10 years

Visual Acuity measured according to the Snellen test (https://www.ncbi.nlm.nih.gov/books/NBK558961/)

Secondary ICDs

Time Frame: 10 years

Secondary disorder according to the International Statistical Classification of Diseases and Related Health Problems (ICD) https://www.who.int/standards/classifications/classification-of-diseases

Current state of residence

Time Frame: 10 years

State of residence in Brazil

Depression

Time Frame: 10 years

Depression measured according to the Geriatric Depression Scale (GDS) https://geriatrictoolkit.missouri.edu/cog/GDS_SHORT_FORM.PDF The Geriatric Depression Scale has 15 items. The minimum total score is zero, and the maximum is 15. Higher scores mean a worse outcome.

Civil status

Time Frame: 10 years

married, single, divorced, and widowed

Occupation

Time Frame: 10 years

Profession according to the Brazilian Classification of Occupation (https://www.mtecbo.gov.br/cbosite/pages/home.jsf)

Facial expression

Time Frame: 10 years

Facial expression evaluation according to the Facial Action Coding System (FACS)

Saccadic eye movement

Time Frame: 10 years

Speed and regularity of eye movement (degrees per second and latency in ms)

Dysarthria

Time Frame: 10 years

Dysarthria measured according to the protocol for the evaluation of central dysartries in patients with Parkinson's Disease (https://doi.org/10.1590/S1516-18462011005000030)

Household size

Time Frame: 10 years

The number of adults and children living in a home

Monthly wage

Time Frame: 10 years

Monthly wage in Brazilian Reais

Head movement amplitude

Time Frame: 10 years

Head movement amplitude in degrees

Smooth pursuit eye movement

Time Frame: 10 years

Smooth pursuit are quantified by the gain (how well the eyes follow the target in speed) and phase (distance to the target during pursuit)

Laterality

Time Frame: 10 years

Laterality refers to the preference for using one side of the body over the other and is most commonly associated with hand dominance, such as being right-handed or left-handed, e.g., Right-handedness, Left-handedness, Ambidexterity, Mixed-handedness (Cross-dominance).

Head movement speed

Time Frame: 10 years

Head movement speed in degrees per second

Handwriting movement analysis

Time Frame: 10 years

Handwriting speed (seconds) and quality

Cognition

Time Frame: 10 years

Cognition measured according to the Montreal Cognitive Assessment (MOCA) scale The Montreal Cognitive Assessment (MoCA) is a 30-point test. The minimum total score is zero, and the maximum is 30. Higher scores mean a better outcome.

Hand movement

Time Frame: 10 years

Hand movement in degrees per second

Study Sites (5)

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