UMIN-CTR Clinical Trial

Basic information
Public title	Statistical analysis of the extraction of impacted mandibular third molars in the elderly: a multicenter retrospective study
Acronym	Statistical analysis of the extraction of impacted mandibular third molars in the elderly: a multicenter retrospective study
Scientific Title	Statistical analysis of the extraction of impacted mandibular third molars in the elderly: a multicenter retrospective study
Scientific Title:Acronym	Statistical analysis of the extraction of impacted mandibular third molars in the elderly: a multicenter retrospective study
Region	Japan

Condition
Condition	Mandibular wisdom tooth
Classification by specialty	Dental medicine
Classification by malignancy	Others
Genomic information	NO

Objectives
Narrative objectives1	To verify the effectiveness of prophylactic wisdom tooth extraction at a young age.
Basic objectives2	Others
Basic objectives -Others	None
Trial characteristics_1
Trial characteristics_2
Developmental phase

Assessment
Primary outcomes	Comparison of intraoperative and postoperative complications between the elderly and young
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	20 years-old <=
Age-upper limit	99 years-old >=
Gender	Male and Female
Key inclusion criteria	Cases in which mandibular wisdom tooth extraction was performed in the 60s or older or in the 20s at a joint research institute from April 1, 2018 to March 31, 2021.
Key exclusion criteria	(1) Cases in which sufficient information cannot be obtained due to insufficient information in the medical information record. (2) Cases in which there is no preoperative panoramic X-ray image
Target sample size	2007

Research contact person
Name of lead principal investigator	1st name Tomofumi Middle name Last name Naruse
Organization	Nagasaki University
Division name	Department of Clinical Oral Oncology
Zip code	852-8588
Address	1-7-1 sakamoto, nagasaki, Japan
TEL	+81958197698
Email	naruse12@nagasaki-u.ac.jp

Public contact
Name of contact person	1st name Tomofumi Middle name Last name Naruse
Organization	NagasakiUniversity
Division name	Department of Clinical Oral Oncology
Zip code	852-8588
Address	1-7-1 sakamoto, nagasaki, Japan
TEL	09010192838
Homepage URL
Email	naruse12@nagasaki-u.ac.jp

Sponsor
Institute	Nagasaki University
Institute
Department

Funding Source
Organization	None
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	nagasaki university
Address	1-7-1 sakamoto, nagasaki, Japan
Tel	0958197698
Email	naruse12@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	2022 Year 07 Month 01 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	2008
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	No longer recruiting
Date of protocol fixation	2021 Year 04 Month 01 Day
Date of IRB	2022 Year 07 Month 01 Day
Anticipated trial start date	2021 Year 12 Month 01 Day
Last follow-up date	2021 Year 12 Month 31 Day
Date of closure to data entry
Date trial data considered complete
Date analysis concluded

Other
Other related information	None

Management information
Registered date	2022 Year 07 Month 01 Day
Last modified on	2022 Year 07 Month 01 Day

Link to view the page
URL(English)	https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000054957