UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000020105
Receipt number R000020807
Scientific Title The removal effect of the stain of coffee cause by gum absorption of sodium metaphosphate containing
Date of disclosure of the study information 2015/12/07
Last modified on 2019/02/21 20:14:29

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Basic information

Public title

The removal effect of the stain of coffee cause by gum absorption of sodium metaphosphate containing

Acronym

The removal effect of the stain of sodium metaphosphate containing

Scientific Title

The removal effect of the stain of coffee cause by gum absorption of sodium metaphosphate containing

Scientific Title:Acronym

The removal effect of the stain of sodium metaphosphate containing

Region

Japan


Condition

Condition

Sound person

Classification by specialty

Dental medicine Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The purpose of this study is developing to keep teeth whiteness on a daily basis and evaluating removal effect of stain from coffee by food containing sodium metaphosphate in situ.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

comparing the stain removal effect of control food intake group and the food containing sodium metaphosphate intake group by color differences of hydroxyapatite

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

Treatment

Type of intervention

Food

Interventions/Control_1

test food, washout 1week, control food

Interventions/Control_2

control food, washout 1week, test food

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

60 years-old >

Gender

Male and Female

Key inclusion criteria

1. Patient as man and woman in its 20 years old to 50s
2. Patient can attach an intraoral device (appliance) which fixed a hydroxyl apatite pellet
3. Patient who can carry it out in total for two days as an experiment day and intake of food five times per day
4. Patient who can obey the compliance during examination

Key exclusion criteria

1. Patient who uses a toothpaste for the purpose of the teeth whitening routinely
2. Smoker
3. Person during surgery treatment for a cavity and periodontal disease
4. Patient who uses chlorhexidine gargle routinely
5. Patient having dry mouth
6. Patient during the pregnancy, the nursing
7. Patient having the food allergy
8. Patient having the metal allergy
9. Patient having an eating disorder

Target sample size

30


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Hidehiko Sano

Organization

Graduate School of Dental Medicine, Hokkaido University

Division name

Department of Restorative Dentistry

Zip code


Address

Kita 13, Nishi 7, Kita-ku, Sapporo, Hokkaido

TEL

011-706-4261

Email

sano@den.hokudai.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Chiharu Kawamoto, Saori Makino

Organization

Graduate School of Dental Medicine, Hokkaido University

Division name

Department of Restorative Dentistry

Zip code


Address

Kita 13, Nishi 7, Kita-ku, Sapporo, Hokkaido

TEL

011-706-4261

Homepage URL


Email

chipa@den.hokudai.ac.jp


Sponsor or person

Institute

Food manufacturer
Graduate School of Dental Medicine, Hokkaido University

Institute

Department

Personal name



Funding Source

Organization

Food manufacturer

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



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

北海道大学大学院歯学研究科


Other administrative information

Date of disclosure of the study information

2015 Year 12 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


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

Completed

Date of protocol fixation

2015 Year 11 Month 01 Day

Date of IRB


Anticipated trial start date

2016 Year 01 Month 31 Day

Last follow-up date

2017 Year 08 Month 08 Day

Date of closure to data entry

2017 Year 08 Month 08 Day

Date trial data considered complete

2017 Year 08 Month 08 Day

Date analysis concluded

2017 Year 08 Month 08 Day


Other

Other related information



Management information

Registered date

2015 Year 12 Month 07 Day

Last modified on

2019 Year 02 Month 21 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000020807


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name