Unique ID issued by UMIN | UMIN000008991 |
---|---|
Receipt number | R000010543 |
Scientific Title | Evaluation of bone remodeling in THA with Trabecular Metal Primary Hip Prosthesis |
Date of disclosure of the study information | 2012/10/01 |
Last modified on | 2015/01/07 09:51:40 |
Evaluation of bone remodeling in THA with Trabecular Metal Primary Hip Prosthesis
Outcome study of Trabecular Metal Primary Hip Prosthesis
Evaluation of bone remodeling in THA with Trabecular Metal Primary Hip Prosthesis
Outcome study of Trabecular Metal Primary Hip Prosthesis
Japan |
secondary coxarthrosis with developmental dysplasia of the hip (DDH)
Orthopedics |
Others
NO
To evaluate bone remodeling in total hip arthroplasty (THA) with Trabecular Metal Primary Hip Prosthesis as below;
Primary objective:
To compare changes of bone mineral density (BMD) around Trabecular Metal™ Primary Hip Prosthesis to that around VerSys® HA-TCP FMT Stem for proving superiority of Trabecular Metal™ Primary Hip Prosthesis
Secondary objective:
To explore bone remodeling around shell covered with Trabecular Metal™
Safety,Efficacy
Confirmatory
Not applicable
Bone mineral density (BMD) assessments:
BMD around stem with Gruen classification and around cup with 4 ROIs will be measured within 1 week after operation, at the time of discharge, 12, 24, 52 and 104 weeks postoperatively. The change of BMD from immediately post-operation will be calculated at each visit.
Clinical Assessment:
JOA Score will be evaluated at the time of pre-operation, discharge, 12, 24, 52 and 104 weeks postoperatively.
Radiographic Assessment:
X-ray will be taken before operation, within 1 week after operation, at the time of discharge, 12, 24, 52 and 104 weeks postoperatively. Evaluation of stress shielding, spot welds or others will be performed around stem with Gruen classification and around cup with DeLee & Charenly classification. If there is a gap between shell covered with Trabecular Metal™ and acetabulum, the time will be investigated until the gap is completely filled with bone.
Questionnaire:
Health status will be investigated with EQ-5D at the time of pre-operation, discharge, 12, 24, 52 and 104 weeks postoperatively.
Safety Evaluation:
When an adverse event or a product failure for which a causal relationship to the investigational or comparative device cannot be ruled out occurs, principal investigator or sub-investigator should report the event or the failure in accordance with the procedure outlined in section 14 of the protocol.
Interventional
Parallel
Randomized
Individual
Open -no one is blinded
Active
NO
NO
Institution is considered as a block.
YES
Central registration
2
Treatment
Device,equipment |
THA with Trabecular Metal™ Primary Hip Prosthesis
THA with VerSys HA-TCP Fiber Metal Taper Stem
20 | years-old | <= |
75 | years-old | >= |
Male and Female
1) Primary THA
2) Age (at the day of obtainment of the consent): 20 to 75 years old
3) Sex:Both males and females
4) Patient who is able to provide the consent and to sign the consent form
5) Patient who is willing and able to complete the scheduled follow-up evaluations described in the protocol
1) Patient who is skeletally immature
2) Patient with loss of abductor musculature in the affected limb
3) Patient with poor bone stock (e.g., steroid-induced metabolic bone disease)
4) Patient with poor skin coverage around the hip joint
5) Patient with neuromuscular disease (e.g., Charcot's joint) in the affected limb
6) Patient with infection symptoms (e.g., osteomyelitis in proximal femur, pyrogenetic infection of the hip)
7) Patient with stove pipe Dorr type C femur
8) Patient with osteoradionecrosis of the acetabulum
9) Patient with systematic or local infection
10) Patient with vascular deficiency in the affected limb that may lead to inadequate skeletal fixation
11) Patient who is not able to independently walk before THA
12) Patient who is suspected to have metal allergy
13) Patient who is pregnant, suspected pregnancy or planned to get pregnant during the study period
14) Patient with any comorbidity (e.g. dementia, schizophrenia, depression, panic disorder, generalized anxiety disorder, etc.) which may affect the ability of informed consent or completion of assessments
15) Patient who have planned to undergo THA, TKA, osteotomy or any operation of lower extremities within 6 months after enrollment
16) Patient who underwent THA, TKA, osteotomy or any operation of lower extremities less than 6 months before enrollment
17) Patient having other medical condition who is considered to be inappropriate by the investigator to participate in the study
200
1st name | |
Middle name | |
Last name | Koichi Uchiyama |
Zimmer K.K.
Clinical Affairs
1-17, Toranomon 4-chome, Minato-ku, Tokyo 105-0001, Japan
03-6402-6610
1st name | |
Middle name | |
Last name | Chie Nishizawa |
Zimmer K.K.
Clinical Affairs
1-17, Toranomon 4-chome, Minato-ku, Tokyo 105-0001, Japan
03-6402-6764
Zimmer K.K.
Zimmer K.K.
Profit organization
Japan
NO
九州大学病院(福岡県)、愛媛大学医学部附属病院(愛媛)、三重大学病院(三重県)、藤田保健衛生大学病院(愛知県)、昭和大学藤が丘病院(神奈川県)、横浜市立大学附属市民総合医療センター(神奈川県)/
Kyushu University Hospital (Fukuoka), Ehime University Hospital (Ehime), Mie University Hospital (Mie), Fujita Health University Hospital (Aichi), Showa University Fujigaoka Hospital (kanagawa), okohama City University Medical Center (kanagawa)
2012 | Year | 10 | Month | 01 | Day |
Unpublished
No longer recruiting
2012 | Year | 08 | Month | 06 | Day |
2012 | Year | 10 | Month | 20 | Day |
2016 | Year | 12 | Month | 31 | Day |
2012 | Year | 09 | Month | 27 | Day |
2015 | Year | 01 | Month | 07 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000010543