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Parkinson's DiseaseNCT00476372

Cognitive Impairment in Parkinson's Disease Categorised in Accordance to Motor Symptoms

An observational study of Parkinson's Disease, run by University of Aarhus at 1 site in Denmark.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Background: Approximately 40% of patients with Parkinson's disease (PD) have cognitive impairments. There is a lack of consensus as to the extent to which psychiatric symptoms, depression, age at disease onset, disease duration, and medication is related to the type and severity of cognitive impairment. Read more about this study

Who is it for?
Ages 50 years and older
Conditions the study is for
Parkinson's Disease
How many people
107 participants
Where
1 siteDenmark
Study dates
Aug 2007to Dec 2011
Phase
Observational
Are there results?
None posted in the registry

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 50 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: 77 patients with PD and 30 healthy control participants

Who may be able to join

  • Idiopathic Parkinson's in accordance to UK Parkinson's Disease Society Brain Bank Clinical Diagnostic Criteria,
  • Born and raised in Denmark ,
  • >50 years

Who cannot join

  • Cerebrovascular disease,
  • Dementia not caused by Parkinson's Disease,
  • Metabolism anomaly,
  • Abuse of drugs, medication or alcohol,
  • History of head injuries,
  • Severe psychiatric disorder, excluding depression,
  • Resident outside the region of Aarhus h) DBS -

Trial locations and contacts

1 site in 1 country.

Denmark1 site
  • Aarhus Universitetshospital

    Aarhus, 8000

Other trials in Denmark

About this study

Official title: Cognitive Impairment in Parkinson's Disease Categorised in Accordance to Motor Symptoms -the Relation Between Cognitive Deficits and Comorbid Psychiatric Disorders, Medication, and Age at Disease Onset

Background: Approximately 40% of patients with Parkinson's disease (PD) have cognitive impairments. There is a lack of consensus as to the extent to which psychiatric symptoms, depression, age at disease onset, disease duration, and medication is related to the type and severity of cognitive impairment. This discrepancy can in part be caused by the lack of distinction between patients with different motor symptoms and disease severity.

Objective: To identify the extent to which psychiatric symptoms, depression, age at disease onset, disease duration, and medication is related to the severity and type of cognitive dysfunction in patients with idiopathic PD categorized according to motor symptoms and disease severity.

Methods: the population of patients with PD in the old county of Aarhus is described on the background of medical records, and stratified in accordance to age, sex and cardinal symptoms. Through proportional allocation a sample of a minimum of 50 patients with PD is drawn from the population. The patients and 30 healthy matched controls will undergo comprehensive neuropsychological assessment including tests of language, memory, executive function, and visuospatial function. Furthermore, all participants will be screened for depression (Geriatric Depression Scale) and psychiatric symptoms (Neuropsychiatric Inventory and Symptom Checklist). The patients will be categorized in accordance with their motor symptoms via cluster analysis for the purpose of analyzing the effect of psychiatric symptoms, depression, and age of disease onset, disease duration, and medication on cognition.

Keywords
neuropsychology, cognitive impairment, motor disorder, parkinson's disease
Medical subject headings
Parkinson Disease, Cognitive Dysfunction, Motor Disorders

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT00476372
Study groupRoleWhat they receive
Parkinson's diseasePt with parkinsons disease

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. cognitive measures

    Measured: 1 hour

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 May 2007 (estimated)
  2. Study startAug 2007
  3. Primary completionDec 2011
  4. Study completionDec 2011

Resources

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
Cross-sectional
Enrolment
107 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00476372
Sponsor's protocol ID
UAarhus
Status last verified
Jan 2013
First submitted
21 May 2007
Last updated
14 Jan 2013
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

An observational study of Parkinson's Disease, run by University of Aarhus at 1 site in Denmark.

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 3 inclusion and 7 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: finished, as of the sponsor's last update on 14 Jan 2013. 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 Denmark. 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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

cognitive measures (time frame: 1 hour). 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 14 Jan 2013.

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