UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000010221
Receipt number R000011971
Scientific Title A randomized, prospective controlled pilot study between UKA and TKA
Date of disclosure of the study information 2013/03/12
Last modified on 2015/03/27 12:55:15

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Basic information

Public title

A randomized, prospective controlled pilot study between UKA and TKA

Acronym

UKA/TKA Study

Scientific Title

A randomized, prospective controlled pilot study between UKA and TKA

Scientific Title:Acronym

UKA/TKA Study

Region

Japan


Condition

Condition

Bilateral Medial Knee Osteoarthritis

Classification by specialty

Orthopedics

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To compare between Unicompartmental Knee Arthroplasty (UKA) and Total Knee Arthroplasty (TKA) on patient satisfaction and clinical outcomes for younger (20 to 70 years of age) Japanese patients

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Others

Trial characteristics_2


Developmental phase

Not applicable


Assessment

Primary outcomes

2011 Knee Society Score

Key secondary outcomes

Radiographic Assessment, Clinical Assessments and Safety Assessment


Base

Study type

Interventional


Study design

Basic design

Factorial

Randomization

Randomized

Randomization unit

Individual

Blinding

Single blind -investigator(s) and assessor(s) are blinded

Control

Uncontrolled

Stratification

NO

Dynamic allocation

NO

Institution consideration


Blocking

NO

Concealment

Numbered container method


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Device,equipment

Interventions/Control_1

Perform UKA first

Interventions/Control_2

Perform TKA first

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

70 years-old >=

Gender

Male and Female

Key inclusion criteria

1). Patient is 20 to 70 years of age at the Informed Consent (IC), inclusive
2). Both males and females
3). Patient qualifies for bilateral primary medial UKA due to bilateral unicompartmental knee osteoarthritis (Do not want to randomly implant a UKA in a patient who requires TKA)
4). Patient has more than 120 degree pre-op Range of Motion (ROM)
5). Patient expect load bearing ROM to be less than or equal to 155 degrees
6). Patient with flexion contracture less than 15 degree
7). Patient with preserved lateral compartment and patellofemoral joint
8). Patient with varus deformity less than 15 degree (Valgus deformities will be excluded from this study)
9). Patient with not significant obesity defined with a Body Mass Index (BMI) of <40
10). Patient has no osteophyte in intercondylar notch
11). Patient has intact anterior cruciate ligaments
12). Patient is willing and able to provide the written IC by signing and dating the Independent Ethics Committee (IEC) approved IC form
13). Patient is willing and able to complete scheduled study procedures and follow-up evaluations
14). Japanese

Key exclusion criteria

1). Patient is currently participating in any other surgical intervention studies or pain management studies
2). Patient with previous history of infection in the affected joint and/or local/systemic infection that may affect the prosthetic joint
3). Patient with insufficient bone stock on femoral or tibial surfaces
4). Patient with skeletal immaturity
5). Patient with neuropathic arthropathy
6). Patient with chondrocalcinosis
7). Patient with osteoporosis or any loss of musculature or neuromuscular disease that compromises the affected limb
8). Patient with damage to the articular cartilage of the opposite compartment
9). Patient with inflammatory synovitis
10). Patient with eburnation in the patellofemoral joint
11). Patient with a stable, painless arthrodesis in a satisfactory functional position
12). Patient with severe instability secondary to the absence of collateral ligament integrity
13). Patient with an ulcer of the skin or a history of recurrent breakdown of the skin
14). Patient with history of deep vein thrombosis (DVT) or pulmonary embolism (PE)
15). Patient has a known or suspected sensitivity or allergy to one or more of the implant materials
16). Patient is pregnant or considered a member of a protected population (e.g., prisoner, mentally incompetent, etc.)

Target sample size

20


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Kiyonori Mizuno

Organization

Anshin Hospital

Division name

Orthopedic Surgery

Zip code


Address

4-12, Minatojima 1-chome, Minami-machi, Chuo-ku, Kobe, Hyogo 650-0047, Japan

TEL

078-304-5252

Email

akira.kashima@zimmer.com


Public contact

Name of contact person

1st name
Middle name
Last name Akira Kashima

Organization

Zimmer K.K.

Division name

Clinical Affairs

Zip code


Address

1-17, Toranomon 4-chome Minato-ku, Tokyo, Japan

TEL

03-6402-6610

Homepage URL


Email

akira.kashima@zimmer.com


Sponsor or person

Institute

Zimmer K.K.

Institute

Department

Personal name



Funding Source

Organization

Zimmer K.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

あんしん病院(Anshin Hospital)


Other administrative information

Date of disclosure of the study information

2013 Year 03 Month 12 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

Terminated

Date of protocol fixation

2012 Year 10 Month 29 Day

Date of IRB


Anticipated trial start date

2013 Year 03 Month 13 Day

Last follow-up date

2017 Year 12 Month 31 Day

Date of closure to data entry

2018 Year 02 Month 28 Day

Date trial data considered complete

2018 Year 03 Month 31 Day

Date analysis concluded

2018 Year 05 Month 30 Day


Other

Other related information



Management information

Registered date

2013 Year 03 Month 12 Day

Last modified on

2015 Year 03 Month 27 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000011971


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name