UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000029694
Receipt number R000033934
Scientific Title Effects of continuous ingestion of food containing plant extract on plaque adhesion
Date of disclosure of the study information 2019/01/01
Last modified on 2020/06/14 08:27:02

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Basic information

Public title

Effects of continuous ingestion of food containing plant extract on plaque adhesion

Acronym

Effects of continuous ingestion of food containing plant extract on plaque adhesion

Scientific Title

Effects of continuous ingestion of food containing plant extract on plaque adhesion

Scientific Title:Acronym

Effects of continuous ingestion of food containing plant extract on plaque adhesion

Region

Japan


Condition

Condition

Healthy adult

Classification by specialty

Dental medicine

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Investigation of plaque adhesion effects of food containing plant extract

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Plaque adhesion (first observation, second observation)

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Oral intake of the food containing plant extract (continuous)

Interventions/Control_2

Oral intake of placebo food (continuous)

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit

65 years-old >

Gender

Female

Key inclusion criteria

Healthy females who are age from 20 to 64.

Key exclusion criteria

1) Patients who have serious disease or subjects who have serious disease history.
2) Subjects who are judged as unsuitable for the study based on the results of clinical and physical examination.
3) Subjects who are judged unfit to enroll in this trial by the investigator.

Target sample size

40


Research contact person

Name of lead principal investigator

1st name Mikiko
Middle name
Last name Kawaguchi

Organization

Otsuma Women's University

Division name

Department of Food Science Faculty of Home Economics

Zip code

102-8357

Address

12 Sanbancho, Chyyoda-ku, Tokyo, 102-8357 JAPAN

TEL

03-5275-6117

Email

mikiko-kawa@otsuma.ac.jp


Public contact

Name of contact person

1st name Zenta
Middle name
Last name Yasukawa

Organization

Taiyo Kagaku Co., Ltd.

Division name

Nutrition division

Zip code

510-0844

Address

1-3, Takara-cho, Yokkaichi-shi, Mie, 510-0844, JAPAN

TEL

059-347-5411

Homepage URL


Email

zyasukawa@taiyokagaku.co.jp


Sponsor or person

Institute

Otsuma Women's University

Institute

Department

Personal name



Funding Source

Organization

Taiyo Kagaku Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor

Nihon University

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Otsuma Women's University

Address

12 Sanbancho, Chyyoda-ku, Tokyo, 102-8357 JAPAN

Tel

03-5275-6117

Email

mikiko-kawa@otsuma.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2019 Year 01 Month 01 Day


Related information

URL releasing protocol

None

Publication of results

Published


Result

URL related to results and publications

None

Number of participants that the trial has enrolled

20

Results

EGCg-containing foods have an inhibitory effect on dental plaque formation and adhesion

Results date posted

2020 Year 01 Month 09 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

Healthy female university students aged between 20 and 23 years

Participant flow

Recruited as paid volunteers, and explanatory documents and a consent form were handed over to them. Full explanations were provided, and after informed consent based on the participants' free will was obtained in written form.

Adverse events

There was no report of any adverse event.

Outcome measures

plaque adhesion (plaque index)

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2017 Year 07 Month 24 Day

Date of IRB

2017 Year 10 Month 25 Day

Anticipated trial start date

2017 Year 10 Month 25 Day

Last follow-up date

2017 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Jpn Pharmacol Ther, 47(3), 409-414, 2019


Management information

Registered date

2017 Year 10 Month 24 Day

Last modified on

2020 Year 06 Month 14 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000033934


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name