UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000062913
Receipt number R000072030
Scientific Title Evaluation of Oral Hygiene Management Methods Using Salivary Bacterial Counts as an Indicator Under Simulated Disaster Conditions
Date of disclosure of the study information 2026/09/14
Last modified on 2026/09/14 12:07:35

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Basic information

Public title

Evaluation of Oral Hygiene Management Methods Using Salivary Bacterial Counts as an Indicator Under Simulated Disaster Conditions

Acronym

Disaster Oral Hygiene Study

Scientific Title

Evaluation of Oral Hygiene Management Methods Using Salivary Bacterial Counts as an Indicator Under Simulated Disaster Conditions

Scientific Title:Acronym

Disaster Salivary Bacteria and Oral Hygiene Study

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To compare the effects of oral hygiene management methods, including rinsing with a small amount of water, rinsing with mouthwash, and oral wiping with materials such as wet wipes, on salivary bacterial counts under simulated disaster conditions, and to evaluate feasible oral hygiene management methods that can be performed with limited water and resources.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Change in salivary bacterial counts before and after each oral hygiene management method

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Prevention

Type of intervention

Other

Interventions/Control_1

Participants will undergo oral rinsing with a small amount of water, rinsing with mouthwash (e.g., Listerine), and oral wiping using materials such as wet wipes. Salivary bacterial counts will be measured before and after each intervention.

Interventions/Control_2


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

18 years-old <=

Age-upper limit

99 years-old >=

Gender

Male and Female

Key inclusion criteria

Healthy adult volunteers aged 18 years or older who understand the study and are able to provide written informed consent to participate of their own free will.

Key exclusion criteria

A history of hypersensitivity to the mouthwash or oral wiping materials used in the study, severe oral mucosal pain, inflammation, or ulceration, or those judged by the principal investigator to be unsuitable for participation in the study.

Target sample size

24


Research contact person

Name of lead principal investigator

1st name Madoka
Middle name
Last name Funahara

Organization

Kyushu Dental University

Division name

Department of Oral Health Sciences, Faculty of Dentistry

Zip code

803-8580

Address

2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan

TEL

093-285-3042

Email

r17funahara@fa.kyu-dent.ac.jp


Public contact

Name of contact person

1st name Madoka
Middle name
Last name Funahara

Organization

Kyushu Dental University

Division name

Department of Oral Health Sciences, Faculty of Dentistry

Zip code

803-8580

Address

2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan

TEL

093-285-3042

Homepage URL


Email

r17funahara@fa.kyu-dent.ac.jp


Sponsor or person

Institute

Kyushu Dental University

Institute

Department

Personal name



Funding Source

Organization

Kyushu Dental University

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Kyushu Dental University Research Ethics Committee

Address

2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan

Tel

093-285-3011

Email

gakusei@kyu-dent.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

2026 Year 09 Month 14 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

Enrolling by invitation

Date of protocol fixation

2026 Year 08 Month 17 Day

Date of IRB

2026 Year 09 Month 09 Day

Anticipated trial start date

2026 Year 10 Month 01 Day

Last follow-up date

2028 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2026 Year 09 Month 14 Day

Last modified on

2026 Year 09 Month 14 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000072030