NCT02227953

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

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
20

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Aug 2014

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 1, 2014

Completed
25 days until next milestone

First Submitted

Initial submission to the registry

August 26, 2014

Completed
2 days until next milestone

First Posted

Study publicly available on registry

August 28, 2014

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2014

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2014

Completed
Last Updated

September 3, 2014

Status Verified

August 1, 2014

Enrollment Period

4 months

First QC Date

August 26, 2014

Last Update Submit

August 31, 2014

Conditions

Keywords

Alzheimer's DiseaseADtDCStranscranial direct current stimulation

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)

EXPERIMENTAL

transcranial Direct Current Stimulation (tDCS) application 7 days a week for 12 weeks (total of 84 applications)

Device: Yband (YDT-201N)

sham-Yband (YDT-201N)

SHAM COMPARATOR

sham-tDCS application 7 days a week for 12 weeks (total of 84 applications)

Device: sham-Yband (YDT-201N)

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)

YBand (YDT-201N)

transcranial Direct Current Stimulation (tDCS) 2mA for 20 sec; left (anode) and right (cathode) Dorsolateral prefrontal cortex (DLPFC)

sham-Yband (YDT-201N)

Eligibility Criteria

Age45 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

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

Study Sites (1)

Samsung Medical Center

Seoul, 135-710, South Korea

RECRUITING

MeSH Terms

Conditions

Alzheimer Disease

Condition Hierarchy (Ancestors)

DementiaBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesTauopathiesNeurodegenerative DiseasesNeurocognitive DisordersMental Disorders

Study Officials

  • Duk L. Na, MD, PhD

    Samsung Medical Center

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Duk-Lyul Na, MD, PhD

CONTACT

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

Locations