UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000021135
Receipt number R000024379
Scientific Title Natural initialcaries caries lesions remineralization by chewing sugar-free gum containing bio-available fluoride
Date of disclosure of the study information 2016/02/22
Last modified on 2018/02/23 09:58:24

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Basic information

Public title

Natural initialcaries caries lesions remineralization by chewing sugar-free gum containing bio-available fluoride

Acronym

Initial caries lesions remineralization by chewing gum

Scientific Title

Natural initialcaries caries lesions remineralization by chewing sugar-free gum containing bio-available fluoride

Scientific Title:Acronym

Initial caries lesions remineralization by chewing gum

Region

Japan


Condition

Condition

initial caries lesion

Classification by specialty

Dental medicine

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To assess the effect of chewing gum containing fluoride on natural initial caries lesions remineralization

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

surface property of initial caries lesions are evaluated by ICDAS score

Key secondary outcomes

lesion depth of initial caries are evaluated using OCT images


Base

Study type

Interventional


Study design

Basic design

Parallel

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

3

Purpose of intervention

Treatment

Type of intervention

Food

Interventions/Control_1

daily chewing gum containing bioaveialble calcium and fluoride over 3 months

Interventions/Control_2

daily chewing gum containing bioaveialble fluoride over 3 months

Interventions/Control_3

daily chewing placebo gum over 3 months

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


Not applicable

Gender

Male and Female

Key inclusion criteria

For inclusion in the study, the subjects were required to have at least one WSL, with an ICDAS score of 2 or 1

Key exclusion criteria

Exclusion criteria included smoking, evidence of poor oral health including periodontal disease, recent professional fluoride therapy (<2 weeks), uptake of fluoridated water or any medication that could affect oral flora, and pregnancy.

Target sample size

50


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Tagami Junji

Organization

Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University

Division name

Cariology and Operative Dentistry

Zip code


Address

5-45 Yushima 1-chome, Bunkyo-ku, Tokyo

TEL

03-5803-5483

Email

tagami.ope@tmd.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Kitasako Yuichi

Organization

Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University

Division name

Cariology and Operative Dentistry

Zip code


Address

5-45 Yushima 1-chome, Bunkyo-ku, Tokyo

TEL

03-3813-6111

Homepage URL


Email

kitasako.ope@tmd.ac.jp


Sponsor or person

Institute

Tokyo Medical and Dental University

Institute

Department

Personal name



Funding Source

Organization

Grant-in-Aid for Scientific Research from the Japan Society for the Promotion of Science (JSPS)

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization



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



Other administrative information

Date of disclosure of the study information

2016 Year 02 Month 22 Day


Related information

URL releasing protocol


Publication of results

Partially published


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

Main results already published

Date of protocol fixation

2014 Year 09 Month 30 Day

Date of IRB


Anticipated trial start date

2014 Year 09 Month 30 Day

Last follow-up date


Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2016 Year 02 Month 22 Day

Last modified on

2018 Year 02 Month 23 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000024379


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name