UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000044198
Receipt number R000050470
Scientific Title Accuracy comparison analysis of cup placement in total hip arthroplasty
Date of disclosure of the study information 2021/06/01
Last modified on 2023/11/14 13:54:48

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Basic information

Public title

Accuracy comparison analysis of cup placement in total hip arthroplasty

Acronym

Accuracy comparison analysis in total hip arthroplasty

Scientific Title

Accuracy comparison analysis of cup placement in total hip arthroplasty

Scientific Title:Acronym

Accuracy comparison analysis in total hip arthroplasty

Region

Japan


Condition

Condition

Osteoarthritis, rheumatoid arthritis,osteonecrosis of the femoral head, femoral neck fracture

Classification by specialty

Orthopedics

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The purpose of this study is to prospectively compare the accuracy of implant placement with a portable navigation system or alignment guide for patients undergoing total hip arthroplasty.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Accuracy of acetabular component (anteversion, inclination)

Key secondary outcomes

Complications, surgery time, bleeding volume, clinical score


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Single blind -participants are blinded

Control

Active

Stratification

YES

Dynamic allocation

YES

Institution consideration

Institution is considered as a block.

Blocking

YES

Concealment

Numbered container method


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Device,equipment

Interventions/Control_1

Perform surgery using alignment guide during total hip arthroplasty

Interventions/Control_2

Perform surgery using a portable navigation system during total hip arthroplasty

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


Not applicable

Gender

Male and Female

Key inclusion criteria

For patients who meet all of the following criteria
1) Patients with osteoarthritis of the hip and rheumatoid arthritis with narrowing of the joint space by plain X-ray, patients with necrosis of the femoral head with collapsing of the femoral head by plain X-ray, and patients with femoral neck fracture.
2) Patients aged 20 years or older at the time of consent acquisition
3) Patients who received sufficient explanation before participating in this study, and obtained written consent by the patient himself / herself with sufficient understanding.
4) Inpatients

Key exclusion criteria

Patients who violate any of the following will not be included in this study
1) Patients with severe iliac deformity due to pelvic fracture, pelvic surgery, etc.
2) Women who are pregnant or may become pregnant
3) Lactating women
4) Patients who are judged by the principal investigator and the research coordinator to be inappropriate as research subjects

Target sample size

50


Research contact person

Name of lead principal investigator

1st name Tomonori
Middle name
Last name Tetsunaga

Organization

Okayama University Hospital

Division name

Department of Orthopaedic Surgery

Zip code

700-8558

Address

2-5-1 Shikata-cho, Kitaku, Okayama

TEL

0862357273

Email

tomonori_t31@yahoo.co.jp


Public contact

Name of contact person

1st name Tomonori
Middle name
Last name Tetsunaga

Organization

Okayama University Hospital

Division name

Department of Orthopaedic Surgery

Zip code

700-8558

Address

2-5-1 Shikata-cho, Kitaku, Okayama

TEL

0862357273

Homepage URL


Email

tomonori_t31@yahoo.co.jp


Sponsor or person

Institute

Okayama University Hospital

Institute

Department

Personal name



Funding Source

Organization

None

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Okayama University

Address

2-5-1 Shikata-cho, Kitaku, Okayama

Tel

0862357273

Email

tomonori_t31@yahoo.co.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

2021 Year 06 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


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

Open public recruiting

Date of protocol fixation

2021 Year 06 Month 01 Day

Date of IRB

2022 Year 01 Month 25 Day

Anticipated trial start date

2021 Year 06 Month 01 Day

Last follow-up date

2024 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

2021 Year 05 Month 13 Day

Last modified on

2023 Year 11 Month 14 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000050470


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name