Clinical trials: Radiostereometric Analysis
Radiostereometric Analysis, Vitamin E Liner
A Prospective Radiostereometric Analysis and Clinical Evaluation of the Zimmer® Continuum® Acetabular Cup With Vitamin E Stabilized Polyethylene
The purpose of this study is to use Radiostereometric Analysis (RSA) and clinical outcome measures to evaluate early, post-operative implant stability, post-operative implant fixation, clinical performance, and in-vivo wear of…
- Conditions
- Radiostereometric Analysis, Vitamin E Liner, Zimmer® Continuum® Acetabular Cup
- Trial name
- NCT01754155
- Testing
- RSA images
- Where
- United States
- Volunteers
- 55 people
- Sponsor
- Central DuPage Hospital
Osteoarthritis, Hip
Preheating of Femur Component in Hybrid Total Hip Arthroplasty
Background Recently published studies confirm that preheating of femoral component enhances shear strength of implant-cement interface.
- Trial name
- NCT00319085
- Testing
- Total hip replacement (Preheating of femur stem)
- Where
- Denmark
- Volunteers
- 80 people
- Sponsor
- Northern Orthopaedic Division, Denmark
Hip Osteoarthritis
Emphasys Radiostereometric Analysis
This study is designed as a prospective, multi-centre, non-randomized, non-controlled study. This study does not limit the procedures involved in the treatment of the subject as long as the protocol specified products are…
- Trial name
- NCT06173713
- Testing
- Emphasys Hip Solutions
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Canadian Radiostereometric Analysis Network
Knee Osteoarthritis, Knee Arthroplasty
Radiostereometric Analysis of Gap Balancing Versus Measured Resection for the Journey II Total Knee Replacement
This is a randomized study comparing the measured resection and gap-balancing surgical techniques for total knee replacement (TKR) using a cemented Journey II TKR implant system.
- Trial name
- NCT03290170
- Testing
- Measured Resection, Gap Balancing
- Where
- Canada
- Volunteers
- 56 people
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Joint Disease, Osteoarthritis
Radiostereometric Analysis (RSA) of the PROFEMUR® Preserve Classic Femoral Components
MicroPort Orthopedics (MPO) is conducting this study to investigate the primary stability of its PROFEMUR® Preserve Femoral Components using radiostereometric analysis (RSA).
- Trial name
- TOPAZ (NCT02668211)
- Testing
- PROFEMUR Preserve Classic Femoral Components
- Where
- Canada
- Sponsor
- MicroPort Orthopedics Inc.
Total Hip Replacement
Incidence of Dual Mobility Polyethylene Wear in Total Hip Prosthesis. Randomised Study Versus Fixed Insert by Radiostereometric Analysis.
The total hip replacement, with over 120,000 cases per year in France, provides short term, excellent functional results and a significant improvement in quality of life, in almost all cases.
- Trial name
- DOUMOB (NCT02525809)
- Testing
- Novae E®, Sunfit®, Quartz®
- Volunteers
- 82 people
- Sponsor
- University Hospital, Caen
Lumbar Degenerative Disc Disease
Radiostereometric Analysis of Spine Arthrodesis
The primary objective of this pilot study is to determine the precision of post-operative radiostereometric measurements for the assessment of lumbar spinal fusion.
- Trial name
- NCT01721889
- Testing
- Radiostereometric Analysis
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- OAD Orthopaedics
Hip Replacement in Osteoarthritis Patients
RSA Study of Furlong Evolution With and Without Collar
The aim of this study is to further investigate the clinical and radiological importance of design changes in cementless hip prosthesis.
- Trial name
- NCT01894854
- Testing
- Stem collar
- Where
- Sweden
- Volunteers
- 50 people
- Sponsor
- Region Skane
Hip Osteoarthritis
REDAPT Revision Hip System With RSA
The principal objectives of the study are to evaluate early and mid-term fixation of the REDAPT revision hip stem and acetabular cup as measured by stem subsidence and proximal cup migration at 2 and 5 years post-surgery through…
- Trial name
- NCT04541693
- Testing
- Full revision, Cup revision, Stem revision
- Where
- Canada
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Orthopaedic Innovation Centre
Osteoarthritis, Degenerative Arthritis
Pinnacle RSA Study
The primary objective is to establish the mean superior cup migration of the Pinnacle Acetabular Shell using model-based RSA over the first two years post-implantation.
- Trial name
- NCT04070989
- Testing
- THA
- Where
- 3 sites in Canada
- Volunteers
- 100 people
- Sponsor
- DePuy Orthopaedics
Osteoarthritis of the Knee
A Prospective Radiostereometric Analysis (RSA) and Clinical Evaluation of the Triathlon Tritanium Total Knee Replacement
This study seeks to find out if the tibial and patellar components of the Stryker Triathlon Tritanium primary total knee replacement achieve adequate fixation to the underlying bone.
- Trial name
- NCT02373761
- Testing
- Stryker Triathlon Tritanium primary knee
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- Scott Sporer
Arthroplasty Complications
Evaluation of Metal-on-conventional-polyethylene vs Ceramic-on-ceramic Articulating Surfaces in Total Hip Arthroplasty
Polyethylene wear debris from metal-on-polyethylene articulations are one of the main causes of periprosthetic bone loss and non-infectious loosening in total hip arthroplasty.
- Trial name
- NCT03692364
- Testing
- Ceramic-on-ceramic uncemented hip arthroplasty, Metal-on-polyethylene uncemented total hip arthroplasty
- Volunteers
- 104 people
- Sponsor
- Sahlgrenska University Hospital
Osteoarthritis, Hip
Comparison of Two Cementing Techniques of the Femoral Component in a Hip Prosthesis
The primary aim of the study is to compare migration of the cemented Corail stem representing polished surfaced versions of the femoral stem.
- Trial name
- NCT01952067
- Testing
- line-to-line reaming and cementing technique, standard over-reaming with 2 broach sizes
- Where
- Norway
- Volunteers
- 48 people
- Sponsor
- Norwegian University of Science and Technology
Pain
Kryptonite - a Novel Osteosynthesis Method for Median Sternotomy
The aim of this study was to investigate the beneficial effect of bone cement in combination with wire cerclage on the stability of the sternum following median sternotomy.
- Trial name
- NCT02738437
- Testing
- Kryptonite-bone cement
- Where
- Denmark
- Volunteers
- 8 people
- Sponsor
- Aarhus University Hospital
Knee Osteoarthritis
Stability of Uncemented Medially Stabilized TKA
Total joint replacement is an efficacious treatment for osteoarthritis of hips and knees. Both total knee replacement (TKR) and total hip replacements (THR) have excellent implant survivorship.
- Trial name
- NCT04017533
- Testing
- GMK Sphere TKR
- Where
- Norway
- Volunteers
- 31 people
- Sponsor
- Oslo University Hospital
Spinal Fusion, Orthopedic Procedures
Use of Radiostereometric Analysis (RSA) Following Spinal Fusion Versus the DYNESYS Stabilization System
Twelve subjects will be sought for this study. Six subjects will receive the DYNESYS system and six subjects will receive a posterior lumbar interbody fusion (PLIF) with the Silhouette device.
- Trial name
- NCT00152165
- Testing
- Radiostereometric Analysis beads inserted during surgery
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- State University of New York - Upstate Medical University
Anisomelia, Deformity of Limb
RSA Study on the Behaviour of the Growth Plate During and After Temporary Hemi-epiphysiodesis and Epiphysiodesis
By using radiostereometric analysis (RSA) we will be able to study growth during and after temporary epiphysiodesis and with great accuracy be able to detect asymmetric growth following this procedure.
- Trial name
- NCT04235517
- Testing
- Temporary hemi-epiphysiodesis or epiphysiodesis
- Where
- Norway
- Volunteers
- 10 people
- Sponsor
- Oslo University Hospital
Osteoarthritis
Application of Radiostereometric Analysis (RSA) to Triathlon Knee Components Inserted Using the OtisMed Custom-fit Total Knee Replacement System
The OtisMed Custom-fit system for total knee replacements replaces conventional surgical techniques for templating and intra-operative instrumentation with a preoperative virtual surgery process that utilizes 3D models of the…
- Trial name
- NCT01262430
- Testing
- OtisMed, Computer Assisted Surgery (CAS)
- Where
- Canada
- Volunteers
- 52 people
- Sponsor
- Dalhousie University
Osteoarthritis of Hip, Traumatic Arthritis of Hip
Evaluation of the Wear of Vitamin E Treated Polyethylene Components in Primary THA Using RSA
The specific aim of this proposed study is to conduct a prospective RSA clinical study at Massachusetts General Hospital involving 50 patients receiving primary total hip replacements.
- Trial name
- NCT00551967
- Testing
- Hip replacement
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Massachusetts General Hospital
Osteoarthritis, Hip, Osteoarthritis
Assessment of Polyethylene Wear, Migration and Clinical Outcome in Total Hip Replacement
The objective of the study is to investigate head penetration, cup migration, and clinical outcome in total hip replacements using a factorial design.
- Trial name
- NCT02196792
- Testing
- E-Poly liner, ArComXL liner, 32 mm femoral head
- Where
- Denmark
- Volunteers
- 100 people
- Sponsor
- Odense University Hospital