Efficacy and Safety of Catechin High Contain Greentea Extract on Improvement of Cognitive Function
A 12 Weeks, Randomized, Double-blind, Placebo-controlled Human Trial to Evaluate the Efficacy and Safety of Catechin High Contain Greentea Extract on Improvement of Cognitive Function
1 other identifier
interventional
80
1 country
1
Brief Summary
This study was the efficacy and safety of Catechin high contain greentea extract on improvement of Cognitive Function
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Dec 2018
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
December 5, 2018
CompletedFirst Submitted
Initial submission to the registry
January 30, 2019
CompletedFirst Posted
Study publicly available on registry
February 1, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 8, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
October 8, 2019
CompletedJuly 16, 2020
July 1, 2020
10 months
January 30, 2019
July 15, 2020
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Changes of Visual learning test
Visual learning test was measured in baseline and 12 week.
12 weeks
Changes of Korean Version of the Montreal Cognitive Assessment(MoCA-K)
Korean Version of the Montreal Cognitive Assessment(MoCA-K) was measured in baseline and 12 week. The cognitive function evaluation using the Montreal Cognitive Assessment(MoCA-K) is a total of 8 items, and evaluates cognitive functions such as time / execution power, vocabulary, memory, attention, sentence, abstraction, delayed recall, and orientation. Time / execution power's total score is 5 points, vocabulary's total score is 3 points, attention's total score is 3 points, sentence's total score is 3 points, abstraction's total score is 2 points, delayed recall's total score is 5 points, orientation's total score is 6 points. It takes about 10 minutes to complete, and the total score is 30 points and total score make sum score. A score of 23 points or more is regarded as normal. If you have less than 6 years of education, add 1 point.
12 weeks
Secondary Outcomes (7)
Changes of Auditory continuous performance test
12 weeks
Changes of Verbal learning test
12 weeks
Changes of Visual working memory test
12 weeks
Changes of Perceived stress scale(PSS)
12 weeks
Changes of Beck Depression Inventory(BDI)
12 weeks
- +2 more secondary outcomes
Study Arms (2)
Catechin high contain greentea extract
EXPERIMENTALCatechin high contain greentea extract for 260 mg/day 12 weeks.
Placebo
PLACEBO COMPARATORPlacebo for 12 weeks.
Interventions
Catechin high contain greentea extract 260 mg/day for 12 weeks.
Eligibility Criteria
You may qualify if:
- Those who are at least 60 years of age at screening
- Those who have Korean Mini-Mental Status Examination(K-MMSE) result 25-28 points
- Those who agree to voluntary participation and to comply with the Notice after fully hearing and understanding the details of this human trial
You may not qualify if:
- Those with a past history of treatment with Axis I disorder in SCID(Structured Clinical Interview for DSM-IV) which is a structured clinical interview in the Diagnostic and Statistical Manual of Mental Disorders at Screening or who have been treated within the last 3 years
- Those with alcohol abuse or dependence within the last 3 months
- Those who have clinically significant following severe illness (Epilepsy, mental retardation, brain nervous system diseases, endocrine diseases, blood / malignant tumors, cardiovascular diseases, Crohn's disease, etc.)
- Those with a history of clinically significant hypersensitivity to green tea
- Those taking medicines, health functional foods or herbal medicines related to improvement of cognitive function and memory within 1 month before screening
- Those who ingested green tea extract's health functional food within 1 month before screening
- Those who whole blood donation within 1 months before the first ingestion or Component blood donation within 2 weeks
- Those who participate in other human tiral within 3 months
- Those who shows the following results in the Laboratory test
- AST, ALT \> 3 times upper limit of normal range
- Other significant laboratory test opinion
- Those who is deemed unsuitable for participating in the human trial due to other reasons
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Department of Psychiatry, Chonbuk National University Hospital
Jeonju, Jeollabuk-do, 54907, South Korea
Study Officials
- PRINCIPAL INVESTIGATOR
Young-chul Chung, MD
Chonbuk National University Hospital
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor of Psychiatry
Study Record Dates
First Submitted
January 30, 2019
First Posted
February 1, 2019
Study Start
December 5, 2018
Primary Completion
October 8, 2019
Study Completion
October 8, 2019
Last Updated
July 16, 2020
Record last verified: 2020-07