A Pilot Study of tDCS for Mild to Moderate Alzhemier's Disease
A Pilot Study for the Improvement of Cognitive Function (ADAS-Cog 11) After Transcranial Direct Current Stimulation in Mild to Moderate Alzheimer's Disease
1 other identifier
interventional
20
1 country
1
Brief Summary
The primary objective of this preliminary study is to investigate whether the transcranial direct current stimulation (tDCS) improves the cognitive function in patients with Alzheimer's disease
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Aug 2014
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 1, 2014
CompletedFirst Submitted
Initial submission to the registry
August 26, 2014
CompletedFirst Posted
Study publicly available on registry
August 28, 2014
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2014
CompletedSeptember 3, 2014
August 1, 2014
4 months
August 26, 2014
August 31, 2014
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change in cognitive function
Measured by ADAS-Cog 11
from baseline to Week 6 and Week 12
Secondary Outcomes (7)
Change in questionnaire
from baseline to Week 12
Change in cognitive function
from baseline to Week 6 and Week 12
Change in Korean version of Geriatric Depression Scale (K-GDS)
from baseline to Week 6 and Week 12
Change in activities of daily living
from baseline to Week 12
Change in behavioral symptoms
from baseline to Week 6 and Week 12
- +2 more secondary outcomes
Study Arms (2)
YBand (YDT-201N)
EXPERIMENTALtranscranial Direct Current Stimulation (tDCS) application 7 days a week for 12 weeks (total of 84 applications)
sham-Yband (YDT-201N)
SHAM COMPARATORsham-tDCS application 7 days a week for 12 weeks (total of 84 applications)
Interventions
transcranial Direct Current Stimulation (tDCS) 2mA for 30 min; 20 sec of ramp-up and -down; left (anode) and right (cathode) Dorsolateral prefrontal cortex (DLPFC)
transcranial Direct Current Stimulation (tDCS) 2mA for 20 sec; left (anode) and right (cathode) Dorsolateral prefrontal cortex (DLPFC)
Eligibility Criteria
You may qualify if:
- Subjects who have Korean version of Mini Mental Status Examination score 10 to 24
- Subjects who have SVLT and RCFT delayed recall test scores lower than 1.5SD
- Subjects who have had other cognitive impairments besides memory
- Subjects who have Seoul-Instrumental Activities of Daily Living score (S-IADL) of 8 or more.
- Subjects who are only dementia of Alzheimer's type
- Subjects who are right-handed
- Subjects who are able to read and write
- Both patient and legally responsible caregiver has provided informed consent
- According to the latest MRI result, periventricular white matter cap or band is less than 10mm, or the deep white matter hyper-intensity is less than 25 mm
You may not qualify if:
- Subjects who have a history of stroke and seizures
- Subjects who have any illnesses that may disturb the patients completing the trials, including stroke, Parkinson's disease, type 1 diabetes, uncontrollable high blood pressure, Huntington's disease, cerebral palsy, liver failure, nephritis, encephalitis, meningitis, scleroma, seizures and a transient ischemic attack.
- Subjects who have a History of DSM-IV Axis I disorders
- Subjects who have neurologic problems on physical examination that cause memory disturbances
- Subjects who have Extremely sensitive skin
- Subjects who have suffered from the cancer in 3 years
- Subjects who have had a cerebrovascular neurosurgery in medical history
- Subjects who have dyspnea in sitting position
- Subjects who have problems with memory, language and problem-solving for 2 hours after the heart attack.
- Subjects who have a history of drug or alcohol abuse (in the past 5 years)
- Subjects who have a history of mental or emotional disorders (in the past 5 years)
- Subjects who have been lapsed into unconsciousness for an hour because of other reasons than general anesthesia
- Subjects who have a history of hospitalization due to head injury
- Subjects who are unable to read even with glasses
- Subjects who are unable to understand the conversation due to the hearing defect (even with the hearing aid)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Samsung Medical Centerlead
- Ybrain Inc.collaborator
Study Sites (1)
Samsung Medical Center
Seoul, 135-710, South Korea
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Duk L. Na, MD, PhD
Samsung Medical Center
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor of Neurology, Sungkyunkwan University School of Medicine
Study Record Dates
First Submitted
August 26, 2014
First Posted
August 28, 2014
Study Start
August 1, 2014
Primary Completion
December 1, 2014
Study Completion
December 1, 2014
Last Updated
September 3, 2014
Record last verified: 2014-08