UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000040628
Receipt number R000044883
Scientific Title Study on plaque formation by using a dentifrice
Date of disclosure of the study information 2020/06/07
Last modified on 2020/06/02 16:47:21

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Basic information

Public title

A verification study on plaque formation by using a dentifrice

Acronym

Study on plaque formation by using a dentifrice

Scientific Title

Study on plaque formation by using a dentifrice

Scientific Title:Acronym

Study on plaque formation by using a dentifrice

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Dental medicine Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To confirm the effect of toothbrushing with a dentifrice on plaque formation for healthy subjects

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Dental plaque evaluation after a test dentifrice use

Key secondary outcomes

Intraoral photos after test dentifrice use.
Number of bacteria in plaque after test dentifrice use.
Amount of LPS in plaque after test dentifrice use.
Cytokine induction by plaque after test dentifrice use.
Cell stimulation by plaque after test dentifrice use.


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

Other

Interventions/Control_1

Toothbrushing with test toothpaste for 1 week , wash out for 1 week .Toothbrushing with placebo toothpaste for 1 week

Interventions/Control_2

Toothbrushing with placebo toothpaste for 1 week , wash out for 1 week . Toothbrushing with test toothpaste for 1 week

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

Male and Female

Key inclusion criteria

Subjects who are undergoing dental maintenance at Nagasaki University Hospital

Key exclusion criteria

Subjects with severe liver and kidney dysfunction
Subjects with drug hypersensitivity constitution
Subjects who have systemic disease and are being treated at a clinic
Subjects with xerostomia
Smoker
Subjects who took antibiotics within one month
Subjects who participated other clinical study within 4 months
Female who are pregnant and lactating
Subjects deemed inappropriate to participate in this study by the principle investigator

Target sample size

50


Research contact person

Name of lead principal investigator

1st name atsutoshi
Middle name
Last name yosimura

Organization

Nagasaki University Graduate School

Division name

Biomedical Sciences Department of Periodontology and Endodontology Professor

Zip code

8528102

Address

1-7-1 Sakamoto, Nagasaki-shi, Nagasaki, 852-8501, JAPAN

TEL

+81-95-819-7681

Email

ayoshi@nagasaki-u.ac.jp


Public contact

Name of contact person

1st name atsutoshi
Middle name
Last name yoshimura

Organization

Nagasaki University Graduate School

Division name

Biomedical Sciences Department of Periodontology and Endodontology Professor

Zip code

8528102

Address

1-7-1 Sakamoto, Nagasaki-shi, Nagasaki, 852-8501, JAPAN

TEL

+81-95-819-7681

Homepage URL


Email

ayoshi@nagasaki-u.ac.jp


Sponsor or person

Institute

Nagasaki University Graduate School

Institute

Department

Personal name



Funding Source

Organization

Kao Corporation

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Nagasaki University Graduate School

Address

1-7-1, sakamoto, nagsaki, nagasaki

Tel

+81-95-819-7198

Email

gakujutu_gakuji@ml.nagasaki-u.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

長崎大学病院


Other administrative information

Date of disclosure of the study information

2020 Year 06 Month 07 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled

50

Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Open public recruiting

Date of protocol fixation

2020 Year 03 Month 01 Day

Date of IRB

2020 Year 03 Month 24 Day

Anticipated trial start date

2020 Year 04 Month 01 Day

Last follow-up date

2020 Year 11 Month 30 Day

Date of closure to data entry

2021 Year 12 Month 31 Day

Date trial data considered complete

2021 Year 12 Month 31 Day

Date analysis concluded

2021 Year 12 Month 31 Day


Other

Other related information



Management information

Registered date

2020 Year 06 Month 02 Day

Last modified on

2020 Year 06 Month 02 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000044883


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name