- ICH GCP
- US-Register für klinische Studien
- Klinische Studie NCT01420315
The Prevalence of Vitamin D Deficiency in Patients With Alzheimer's Disease (DEVIT-ALZ)
The Prevalence of Vitamin D Deficiency in Patients With Alzheimer's Disease: a Crosssectional Multicenter Study in Turkey
Studienübersicht
Status
Bedingungen
Detaillierte Beschreibung
Vitamin D has many physiological functions via skeletal and extra-skeletal effects. Nowadays, it is well known that vitamin d deficiency causes to an increase in disease burden. As the role of vitamin D, the maintenance of balance, the improvement of muscle power, and the augmentation of innate immunity were proven. Some recent studies showed that vitamin D deficiency associates with cardiovascular diseases, autoimmune diseases, and the risk of cancer.
Vitamin D carries out your functions by vitamin d receptors (VDR) located in many cells. Brain neurons and glial cells are including VDR's. It is presumed that the functions of vitamin d in neurons are the regulation of neurotransmission, neuron protection, and immunomodulation. Also,vitamin D has a role in brain development and maturation. Except the functions in central nerve system, vitamin D has effects on peripheral nerve system. It was reported that nerve transduction velocity decreased in vitamin d deficiency.
Vitamin D deficiency and Alzheimer's disease are major public health problems that their incidences increase in advanced ages.Recent studies indicate that there is a relationship between cognitive decline and vitamin D deficiency. VDR receptors in brain specially in hippocampus, hypothalamus, limbic system, subcortical and spinal motor areas were determined.
Up to now, no study has investigated the prevalence of vitamin d deficiency in patient with Alzheimer's disease. Our aim is to investigate the prevalence of vitamin D deficiency and analysis the associated characteristics in patients with Alzheimer's disease.
Studientyp
Einschreibung (Tatsächlich)
Kontakte und Standorte
Studienorte
-
-
-
Ankara, Truthahn, 06018
- Gulhane Medical School Training Hospital
-
-
Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Probenahmeverfahren
Studienpopulation
Beschreibung
Inclusion Criteria:
- The patient must have Alzheimer's dementia and their diagnosis must be made according to National Institute of Neurological and Communicative Disorders and Stroke and the Alzheimer Disease and Related Disorders Association (NINCDS/ADRDA) and DSM-IV criteria
- The informed consent form must be given by patients and/or their representatives
Exclusion Criteria:
- if the causes of dementia (lewy body dementia, vascular dementia, pick disease, frontotemporal dementia...) is out of Alzheimer's dementia,
- having chronic liver disease and/or end-stage renal disease
- if the informed consent form is being withdrawn
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Zeitfenster |
---|---|
serum 25(OH)D levels
Zeitfenster: January, 1, 2013
|
January, 1, 2013
|
Mitarbeiter und Ermittler
Ermittler
- Studienleiter: Ilkin M Naharci, specialist, Gulhane Medical Faculty Training Hospital, Department of Internal Medicine, Division of Geriatrics
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Primärer Abschluss (Tatsächlich)
Studienabschluss (Tatsächlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Schätzen)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
- VDGT-01
- G-123456789 (Andere Kennung: Gulhane Medical Training School)
Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .