UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000005316
Receipt number R000006316
Scientific Title A Clinical Study on the Dislocation and Wear of Highly Crosslinked Polyethylene Liner
Date of disclosure of the study information 2011/03/25
Last modified on 2017/03/08 10:09:06

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Basic information

Public title

A Clinical Study on the Dislocation and Wear of Highly Crosslinked Polyethylene Liner

Acronym

26/32 Study

Scientific Title

A Clinical Study on the Dislocation and Wear of Highly Crosslinked Polyethylene Liner

Scientific Title:Acronym

26/32 Study

Region

Japan


Condition

Condition

Osteoarthritis of the Hip, Avascular Necrosis of the Femoral Head

Classification by specialty

Orthopedics

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The objective of this study is to compare the amount of liner wear and occurrence of complications such as dislocation for the different sizes of femoral heads used concomitantly with a highly crosslinked polyethylene liner in total hip arthroplasty.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase

Not applicable


Assessment

Primary outcomes

The mean annual wear of the polyethylene liner and the incidences of dislocation

Key secondary outcomes

X-ray findings, Harris Hip Score, JOA Score and QOL


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

75 years-old >=

Gender

Male and Female

Key inclusion criteria

Patients who underwent total hip arthroplasty using Longevity

Key exclusion criteria

- Patients with osteomyelitis of the upper femoral bone
- Patients with active infection at the affected joint
- Patients with extremely insufficient bone mass
- Patients who have already undergone hip replacement arthroplasty
- Patients with the socket outer diameter of less than 48 mm
- Other patients who are judged to be ineligible to participate in the study by the surgeon

Target sample size

240


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Masanobu Saito

Organization

National Hospital Organization Osaka Minami Medical Center

Division name

Orthopedic Surgery

Zip code


Address

2-1 Kidohigashi-machi, Kawachi nagano, Osaka

TEL

0721-53-7010

Email

akira.kashima@zimmerbiomet.com


Public contact

Name of contact person

1st name
Middle name
Last name Akira Kashima

Organization

Zimmer Biomet G.K.

Division name

Clinical Affairs

Zip code


Address

15F, Sumitomo Fudosan Shibakoen Tower, 2-11-1 Shibakoen, Minato-ku, Tokyo

TEL

03-6402-6600

Homepage URL


Email

akira.kashima@zimmerbiomet.com


Sponsor or person

Institute

Zimmer Biomet G.K.

Institute

Department

Personal name



Funding Source

Organization

Zimmer Biomet G.K.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



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

- 独立行政法人 国立病院機構 大阪南医療センター(大阪府)
- 福岡大学病院(福岡県)
- 久留米大学医療センター(福岡県)


Other administrative information

Date of disclosure of the study information

2011 Year 03 Month 25 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


Results

Our study suggested that whether to select 26- or 32-mm diameters of femoral head does not affect XLPE wear in combination with this type of articulation.

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

2002 Year 03 Month 01 Day

Date of IRB


Anticipated trial start date

2002 Year 04 Month 01 Day

Last follow-up date

2010 Year 11 Month 01 Day

Date of closure to data entry

2011 Year 01 Month 01 Day

Date trial data considered complete

2011 Year 03 Month 01 Day

Date analysis concluded

2011 Year 05 Month 01 Day


Other

Other related information

Multi-center, Randomized Control Study


Management information

Registered date

2011 Year 03 Month 25 Day

Last modified on

2017 Year 03 Month 08 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000006316


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name
2017/03/08 Polyethylene Wear Associated With 26 and 32 mm Heads in THA - A Multicenter Prospective Study.pdf