UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000054855
Receipt number R000062679
Scientific Title Changes in oral bacterial counts and factors influencing the increase in bacterial counts in post-oral surgery patients
Date of disclosure of the study information 2024/07/08
Last modified on 2026/01/07 10:33:04

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Basic information

Public title

Changes in oral bacterial counts and factors influencing the increase in bacterial counts in post-oral surgery patients

Acronym

Oral surgery and factors increasing oral bacteria

Scientific Title

Changes in oral bacterial counts and factors influencing the increase in bacterial counts in post-oral surgery patients

Scientific Title:Acronym

Oral surgery and factors increasing oral bacteria

Region

Japan


Condition

Condition

Oral surgery

Classification by specialty

Oral surgery Dental medicine

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To quantify salivary bacterial counts in oral surgery patients before surgery, during the postoperative tube feeding period, and when oral feeding (liquid and solid foods) is initiated. In addition, factors associated with changes in bacterial counts will be analyzed.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Bacterial count in saliva
Each item collected as patient background

Key secondary outcomes



Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


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

6 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1. Patients aged 6 years or older who underwent surgery under general anesthesia at Nagasaki University Hospital, Aichi-Gakuin University Dental Hospital, or Kanagawa Dental University Hospital between the date of study approval and April 30, 2025, and are scheduled for tube feeding for a certain period after surgery.
2. Patients who have given their consent to participate in this study.

Key exclusion criteria

1. Patients managed with a postoperative tracheostomy or intubation
2. Patients with severe cognitive impairment
3. Patients with severe xerostomia
4. Other patients who are deemed inappropriate as research subjects by the investigators.

Target sample size

40


Research contact person

Name of lead principal investigator

1st name Sakiko
Middle name
Last name Soutome

Organization

Nagasaki University

Division name

Preventive Dentistry

Zip code

852-8588

Address

1-7-1, Sakamoto, Nagasaki

TEL

095-819-7663

Email

sakiko@nagasaki-u.ac.jp


Public contact

Name of contact person

1st name Sakiko
Middle name
Last name Soutome

Organization

Nagasaki University

Division name

Preventive Dentistry

Zip code

852-8588

Address

1-7-1, Sakamoto,

TEL

+818017063341

Homepage URL


Email

sakiko@nagasaki-u.ac.jp


Sponsor or person

Institute

Nagasaki University

Institute

Department

Personal name



Funding Source

Organization

Nagasaki 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

Institution Review Bpard of Nagasaki University Hospital

Address

1-7-1, Sakamoto, Nagasaki

Tel

0958197229

Email

gaibushikin@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



Other administrative information

Date of disclosure of the study information

2024 Year 07 Month 08 Day


Related information

URL releasing protocol


Publication of results

Published


Result

URL related to results and publications


Number of participants that the trial has enrolled

24

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

2024 Year 07 Month 04 Day

Date of IRB

2024 Year 07 Month 11 Day

Anticipated trial start date

2024 Year 07 Month 08 Day

Last follow-up date

2025 Year 09 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded

2025 Year 09 Month 30 Day


Other

Other related information

none


Management information

Registered date

2024 Year 07 Month 02 Day

Last modified on

2026 Year 01 Month 07 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000062679