UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000026894
Receipt number R000030844
Scientific Title Prospective Multicenter Clinical Research to Investigate the Safety and Efficacy of Conjoined Tendon-Preserving Posterior Approach with Bipolar Hip Prosthesis
Date of disclosure of the study information 2017/04/10
Last modified on 2023/10/13 17:15:51

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Basic information

Public title

Prospective Multicenter Clinical Research to Investigate the Safety and Efficacy of Conjoined Tendon-Preserving Posterior Approach with Bipolar Hip Prosthesis

Acronym

Clinical research to investigate safety and efficacy of CPP approach

Scientific Title

Prospective Multicenter Clinical Research to Investigate the Safety and Efficacy of Conjoined Tendon-Preserving Posterior Approach with Bipolar Hip Prosthesis

Scientific Title:Acronym

Clinical research to investigate safety and efficacy of CPP approach

Region

Japan


Condition

Condition

Femoral Neck Fracture

Classification by specialty

Orthopedics

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

This study is conducted to investigate safety and efficacy on CPP approach.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Dislocation rate etc.

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

70 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Patients in whom BHA with the CPP approach is indicated.
Other.

Key exclusion criteria

Patients who cannot cooperate in this research in the investigator is judgment.
Other.

Target sample size

322


Research contact person

Name of lead principal investigator

1st name Takuya
Middle name
Last name Nakamura

Organization

Toyama Prefectural Central Hospital

Division name

Orthopedics

Zip code

930-8550

Address

2-2-78 Nishinagae, Toyama-shi, Toyama 930-8550, Japan

TEL

076-424-1531

Email

mikiharu.morita@zimmerbiomet.com


Public contact

Name of contact person

1st name Takahito
Middle name
Last name Nakai

Organization

Zimmer Biomet G.K.

Division name

Clinical Affairs

Zip code

105-0011

Address

15F, Sumitomo Fudosan Shibakoen Tower 11-1, Shibakoen 2-Chome, Minato-ku, Tokyo 105-0011, Japan

TEL

0364026600

Homepage URL


Email

takahito.nakai@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



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ethics Committee of Toyama Prefectural Central Hospital

Address

2-2-78 Nishinagae, Toyama-shi, Toyama 930-8550, Japan

Tel

076-424-1531

Email

takahito.nakai@zimmerbiomet.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

2017 Year 04 Month 10 Day


Related information

URL releasing protocol

https://center6.umin.ac.jp/cgi-open-bin/ctr/ctr_view.cgi?recptno=R000030844

Publication of results

Published


Result

URL related to results and publications

https://center6.umin.ac.jp/cgi-open-bin/ctr/ctr_view.cgi?recptno=R000030844

Number of participants that the trial has enrolled

322

Results

322 patients were enrolled. 320 patients received Bipolar Hemi-Hip Replacement via CPP approach. Of those, 249 (78%) patients were followed between 6 - 12 months after operation.
Primary Endpoint: No Postoperative Dislocation was reported.
Secondary Endpoints: 4 radiological findings were reported. Pain assessment revealed that 215 patient had no pain and 32 patients had pain at 6-12 months after operation.

Results date posted

2023 Year 10 Month 13 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

Mean age: 83.3 y.o.
239 females & 81 males
Mean body weight: 48.7 kg
Mean height: 153.0 cm
Mean BMI: 20.7 kg/m2

Participant flow

322 recruited/consented
320 operated (2 withdrawn before surgery)
306 successfully operated by CPP approach (14 CPP not successful)
302 followup at discharge (1 revision, 1 AE, 1 Protocol Deviation, 1 Death)
237 followup at 6-12 months (3 revisions, 22 deaths, 40 lost to followup)

Adverse events

46 adverse events were reported, including 37 Serious AEs. Four revisions were reported. None of them were related to implant/procedure.

Outcome measures

Postoperative dislocation: 0
Postoperative pain assessment: no pain in 215, 32 patients reported pain
Mobility status: 136 (54.6%) showed no change or improvement compared to preoperative status
Living Environment: 210 (84.3%) showed no change or improvement compared to preoperative status.

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2016 Year 12 Month 01 Day

Date of IRB

2017 Year 04 Month 28 Day

Anticipated trial start date

2017 Year 05 Month 21 Day

Last follow-up date

2019 Year 03 Month 27 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

NA


Management information

Registered date

2017 Year 04 Month 07 Day

Last modified on

2023 Year 10 Month 13 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000030844


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name