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Effects of Deer Bone Extract NS on Improvement in Cognitive-Bio-Markers of Cognitive Functions

Not Applicable
Completed
Conditions
Healthy Adults With Subjective Memory Complaints
Interventions
Dietary Supplement: NS 1100mg
Dietary Supplement: placebo
Dietary Supplement: NS 550mg
Registration Number
NCT02379481
Lead Sponsor
Ewha Womans University
Brief Summary

This study aims to elucidate the effects of deer bone extract NS on cognitive function improvement and its safety in healthy adults aged 40 to 65 years who report decline in subjective cognitive functions using multimodal neuroimaging and neurocognitive assessments.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
75
Inclusion Criteria
  • Age between 40 and 65 years old,
  • Global Deterioration Scale score (GDS) of 2
  • High school or higher levels of education.
Exclusion Criteria
  • Current pregnancy or breast-feeding
  • Evidence of neurologic or medical conditions
  • Axis I diagnosis when assessed by the board certified psychiatrist using the Structured Clinical Interview for the Diagnostic and Statistical Manual of Mental Disorder, 4th edition (DSM-IV)(SCID-IV),
  • One or more major depressive episode during last 12 months
  • Mini-mental status examination score of 24 or less
  • Clinical Dementia Rating score of 0.5 or more suggesting cognitive impairment beyond self-perceived subjective deficits
  • Intelligence quotient less than 70
  • Any history of head trauma involving loss of consciousness or seizure
  • Contraindications to magnetic resonance imaging (MRI)
  • Use of psychotropics in last 3 months
  • Use of oral contraceptive medication
  • Participation in other clinical trials during the study period that might affect the outcome of the present study.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
NS 1100mgNS 1100mgNS 1100mg/day
placeboplaceboplacebo
NS 550mgNS 550mgNS 550mg/day
Primary Outcome Measures
NameTimeMethod
Changes from baseline in neurocognitive functionBaseline, 8th week

Scores from neurocognitive test batteries such as CANTAB

Changes from baseline in brain structure analyzed using the computational approachBaseline, 8th week

Morphometric analysis of brain structures in magnetic resonance imaging

Changes from baseline in brain function analyzed using the computational approachBaseline, 8th week

Blood oxygenation level dependent (BOLD) signal intensity and their connectivity assessed using functional magnetic resonance imaging scans

Changes from baseline in brain biochemical metabolism analyzed using the computational approachBaseline, 8th week

Brain metabolite concentrations assessed using magnetic resonance spectroscopy

Secondary Outcome Measures
NameTimeMethod
Change from baseline in Subjective Memory Complaints Questionnaire scores at 8th weeksBaseline, 8th week
Number of participants with adverse events8th week

Trial Locations

Locations (1)

Ewha Womans University

🇰🇷

Seoul, Korea, Republic of

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