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A CREDOS (Clinical Research Center for Dementia of South Korea) Study

A Multicenter Clinical Study of Dementia, Mild Cognitive Impairment, and Subjective Memory Impairment: A CREDOS (Clinical Research Center for Dementia of South Korea) Study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0000353
Enrollment
3000
Registered
2012-02-09
Start date
2012-02-08
Completion date
Unknown
Last updated
2019-03-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

None listed

Sponsors

Inha University Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Alzheimer's disease 1) Dementia by DSM-IV 2) Probable AD by NINCDS-ADRDA 3) Slowly progressive cognitive decline, at least for 6 months 2. Subcortical Vascular Dementia (SVD) 1) vascular dementia as described by the DSM-IV 2) has at least one focal neurologic sign 3) severe ischemic changes on brain MRI 3. MCI 1) No dementia or normal 2) Memory complaint by subject or study partner 3) Objective cognitive impairment 4) Preserved Activies Daily Living 4. vascular MCI 1) Compatible with the criteria of MCI 2) has at least one focal neurologic sign 3) severe ischemic changes on brain MRI 5.SMI 1) Subjective memory impairment 2) No objective memory impairment 3) Preserved Activies Daily Living 6. FTLD FTLD by the Research criteria for frontotemporal dementia (Knopman et al. 2008) 1) Absence or insignificance of an anterograde amnesia and visuospatial impairment in the at least first 2 years of symptoms 2)Imaging demonstrating focal cerebral atrophy at least one of the following : the anterior temporal lobes, frontal lobes and insula or caudate nuclei

Exclusion criteria

Exclusion criteria: 1) Blindness or hearing loss to be unable to be tested 2)sick-sinus syndrome, a second or third degree atrioventricular block 3)severe pulmonary disease (acute, severe, or unstable asthma, severe COPD) 4)an active gastric ulcer 5)uncontrolled diabetes mellitus 6)severe hepatic, or renal disease 7)uncured malignancy 8)major depressive disorder, psychosis 9)mental retardation 10)a history of encephalitis 11)head trauma with loss of consciousness longer than one hour 12)a brain tumor, a traumatic intracranial hemorrhage or a subarachnoid hemorrhage 13) abnormal TFT 14) a deficiency in vitamin B12 or folate 15) neurosyphilis 16)metabolic encephalopathy

Design outcomes

Primary

MeasureTime frame
Progression of cognitive impairment

Secondary

MeasureTime frame
conversion to dementia in MCI , conversion to MCI or dementia in SMI

Countries

Korea, Republic of

Contacts

Public ContactHye

Inha University Hospital

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026