Neuro-Prävention im Rahmen Des Interventionsprojektes INVADE-2 (Follow-up Studie)
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"Silent" strokes are more frequent than clinical apparent strokes and can be detected noninvasively by MRI-investigations of the brain. Persons with silent strokes have a considerably increased risk for clinical apparent strokes as well as for the development of dementia. Intention of the study is the detection of silent strokes and microbleedings by standardized cranial MRI in 1000 participants (500 high-risk and 500 low-risk persons for cerebrovascular accidents) after a standardized neurological and neuropsychological examination. Results will be the base of early detection and early preventive strategies of cerebrovascular accidents in high-risk persons.
In the course of a systematic follow-up examination without MRI the same 1000 patients (500 high-risk and 500 low-risk persons for cerebrovascular accidents) will be reinvited to the sites. In addition to the standardized neurological and neuropsychological examinations a surrogate parameter of nephropathy, microalbumin, will be examined as this parameter could be helpful in forecasting cerebral microangiopathy. The clinical investigation will be expanded by several tests in order to assess symptoms of cerebral microangiopathy.
Condition |
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Stroke Dementia |
Study Type: | Observational |
Study Design: | Observational Model: Cohort Time Perspective: Prospective |
Official Title: | Neuro-Prävention im Rahmen Des Interventionsprojektes INVADE-2 Systematische Prävention Bei Hochrisikopatienten für Schlaganfall Und vaskulär (Mit)Bedingte Demenz: Identifizierung Und Behandlung Von Stummen Hirninfarkten. |
- In the group of high-risk persons the percentage of silent strokes detected by MRI of the brain is significantly higher than in the group of non-high-risk persons. [ Time Frame: 4/2012 until 11/2013 ]
- Detection of silent strokes by MRI in more than 10% of all subjects and diagnostic and therapeutic procedures refinancable near-term and in relation to long-term-consequences [ Time Frame: 4/2012 until 11/2013 ]
- Detection of microbleedings by MRI in more than 10% of all subjects [ Time Frame: 4/2010 until 11/2011 ]
Estimated Enrollment: | 1000 |
Study Start Date: | April 2012 |
Estimated Primary Completion Date: | November 2013 (Final data collection date for primary outcome measure) |
Groups/Cohorts |
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group non-high-risk |
group high risk |
![](https://webarchive.library.unt.edu/web/20121019002143im_/http://www.clinicaltrials.gov/ct2/html/images/frame/triangle.gif)
Ages Eligible for Study: | 55 Years and older |
Genders Eligible for Study: | Both |
Sampling Method: | Probability Sample |
1000 participants of INVADE-2-study ("Intervention project on cerebrovascular diseases and dementia in the district of Ebersberg, Bavaria")
Inclusion Criteria:
- Participation in INVADE-2-study
- signed informed consent
- no contraindication for MRI-examination
Exclusion Criteria:
- Contraindication for MRI-examination
- claustrophobia
- history of clinical apparent stroke or cerebral bleeding
- lack of consent in being told incidental findings
- lack of capacity to consent in study participation
- lack of capacity to cooperate
![](https://webarchive.library.unt.edu/web/20121019002143im_/http://www.clinicaltrials.gov/ct2/html/images/frame/triangle.gif)
Contact: Hans Gnahn, Dr. | hans@gnahn.de | |
Contact: Julia Hartmann, Dr. | hartmann@invade.de |
Germany | |
Praxis Dr. Briesenick u. Dr. Förstner | Recruiting |
Baldham, Bavaria, Germany, D-85598 | |
Contact: Claus Briesenick, Dr. +49 (0)8106 ext 308866 praxis@neuro-baldham.de | |
Contact: Sabine Förstner, Dr. +49 (0)8106 ext 308866 praxis@neuro-baldham.de | |
Sub-Investigator: Helmut Ambach, Dr. | |
Praxis Dr. Gnahn u. Dr. Klein | Recruiting |
Ebersberg, Bavaria, Germany, 85560 | |
Contact: Hans Gnahn, Dr. hans@gnahn.de | |
Contact: Julia Hartmann, Dr. hartmann@invade.de | |
Principal Investigator: Hans Gnahn, Dr. | |
Sub-Investigator: Julia Hartmann, Dr. | |
Sub-Investigator: Werner Klein, Dr. |
![](https://webarchive.library.unt.edu/web/20121019002143im_/http://www.clinicaltrials.gov/ct2/html/images/frame/triangle.gif)
Publications:
Responsible Party: | INVADE gGmbH |
ClinicalTrials.gov Identifier: | NCT01126775 History of Changes |
Other Study ID Numbers: | INV-1006-Gna-1000-I |
Study First Received: | May 18, 2010 |
Last Updated: | October 9, 2012 |
Health Authority: | Germany: Ethics Commission |
Keywords provided by INVADE gGmbH:
Systematic prevention, stroke, vascular dementia, silent strokes, cerebral microangiopathy. |
Additional relevant MeSH terms:
Dementia Stroke Brain Diseases Central Nervous System Diseases Nervous System Diseases |
Delirium, Dementia, Amnestic, Cognitive Disorders Mental Disorders Cerebrovascular Disorders Vascular Diseases Cardiovascular Diseases |
ClinicalTrials.gov processed this record on October 17, 2012