NCT03826017

Brief Summary

This study was the efficacy and safety of Catechin high contain greentea extract on improvement of Cognitive Function

Trial Health

87
On Track

Trial Health Score

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

Enrollment
80

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Dec 2018

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

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

December 5, 2018

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

January 30, 2019

Completed
2 days until next milestone

First Posted

Study publicly available on registry

February 1, 2019

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 8, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 8, 2019

Completed
Last Updated

July 16, 2020

Status Verified

July 1, 2020

Enrollment Period

10 months

First QC Date

January 30, 2019

Last Update Submit

July 15, 2020

Conditions

Keywords

Catechin high contain greentea extractCognitive Function

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

EXPERIMENTAL

Catechin high contain greentea extract for 260 mg/day 12 weeks.

Dietary Supplement: Catechin high contain greentea extract

Placebo

PLACEBO COMPARATOR

Placebo for 12 weeks.

Dietary Supplement: Placebo

Interventions

Catechin high contain greentea extract 260 mg/day for 12 weeks.

Catechin high contain greentea extract
PlaceboDIETARY_SUPPLEMENT

Placebo for 12 weeks.

Placebo

Eligibility Criteria

Age60 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

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

Location

Study Officials

  • Young-chul Chung, MD

    Chonbuk National University Hospital

    PRINCIPAL INVESTIGATOR

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

Locations