UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000062482
Receipt number R000071503
Scientific Title A study of deep vein thrombosis in total knee arthroplasty
Date of disclosure of the study information 2026/08/05
Last modified on 2026/08/05 16:04:43

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Basic information

Public title

A study of deep vein thrombosis in total knee arthroplasty

Acronym

A study of deep vein thrombosis in total knee arthroplasty

Scientific Title

A study of deep vein thrombosis in total knee arthroplasty

Scientific Title:Acronym

A study of deep vein thrombosis in total knee arthroplasty

Region

Japan


Condition

Condition

total knee arthroplasty

Classification by specialty

Orthopedics

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Clarifying the incidence and risk factors of deep vein thrombosis (DVT) in patients undergoing total knee arthroplasty may provide valuable information for prevention, treatment, and preoperative informed consent.

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

incidence of deep vein thrombosis

Key secondary outcomes

risk factors associated with the development of deep vein thrombosis


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


Not applicable

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Patients who underwent total knee arthroplasty at our institution between July 2015 and June 2025

Key exclusion criteria

none

Target sample size

600


Research contact person

Name of lead principal investigator

1st name takeshi
Middle name
Last name mochizuki

Organization

Kamagaya General Hospital, Tokushukai Medical Corporation

Division name

Department of Orthopedic Surgery

Zip code

273-0121

Address

929-6 Hatsutomi, Kamagaya City, Chiba 273-0121, Japan

TEL

047-498-8111

Email

chiken@kamagaya-hp.jp


Public contact

Name of contact person

1st name takeshi
Middle name
Last name mochizuki

Organization

Kamagaya General Hospital, Tokushukai Medical Corporation

Division name

Department of Orthopedic Surgery

Zip code

273-1212

Address

929-6 Hatsutomi, Kamagaya City, Chiba 273-0121, Japan

TEL

047-489-8111

Homepage URL


Email

chiken@kamagaya-hp.jp


Sponsor or person

Institute

Kamagaya General Hospital, Tokushukai Medical Corporation

Institute

Department

Personal name



Funding Source

Organization

Kamagaya General Hospital, Tokushukai Medical Corporation

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Tokushukai Group Central Ethics Review Committee, Tokushukai General Incorporated Association

Address

Tokyodo Chiyoda Bldg. 15F, 1-3-1, Kudan-minami, Chiyoda-ku, Tokyo 102-0074, Japan

Tel

03-3263-4801

Email

mirai-ec4@mirai-iryo.com


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 08 Month 05 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

600

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

2026 Year 05 Month 09 Day

Date of IRB

2026 Year 06 Month 24 Day

Anticipated trial start date

2026 Year 06 Month 26 Day

Last follow-up date

2027 Year 06 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Patients who underwent total knee arthroplasty at our institution between July 2015 and June 2025 were included in this study.

The study variables included patient background characteristics such as age, sex, height, body weight, body mass index, primary diagnosis at admission, comorbidities, and concomitant medications, as well as anesthesia, operative time, presence or absence of deep vein thrombosis, and blood test results including D-dimer, creatine phosphokinase, and hemoglobin.


Management information

Registered date

2026 Year 08 Month 05 Day

Last modified on

2026 Year 08 Month 05 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000071503