RSA-Study of Cemented Hip Prostheses With Five Different Articulations
A Prospective Randomized RSA-Study of Cemented Hip Prostheses With Five Different Articulations
2 other identifiers
interventional
150
1 country
1
Brief Summary
The purpose of this study is to compare wear and migration of the following hip prostheses:
- 1.Charnley monoblock 22.2mm caput and OGEE polyethylene acetabular component
- 2.Spectron EF stem with Reflection polyethylene cup and 28 mm CoCr caput
- 3.Spectron EF stem with XLPE cup and 28 mm CoCr caput
- 4.Spectron EF stem with Reflection polyethylene cup and 28 mm Oxinium caput
- 5.Spectron EF stem with XLPE cup and 28 mm Oxinium caput
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Nov 2004
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
November 1, 2004
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2007
CompletedFirst Submitted
Initial submission to the registry
June 16, 2008
CompletedFirst Posted
Study publicly available on registry
June 17, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2017
CompletedFebruary 28, 2017
February 1, 2017
2.6 years
June 16, 2008
February 27, 2017
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
wear
2 years
Secondary Outcomes (1)
migration
2 years
Study Arms (5)
2
ACTIVE COMPARATORarticulation Spectron EF CoCr/ Reflection All-Poly Eto-sterilized
3
ACTIVE COMPARATORarticulation Spectron Ef CoCr/ Reflection All-Poly XLPE
4
ACTIVE COMPARATORarticulation Spectron EF Oxinium/ Reflection All-Poly Eto-sterilized
5
ACTIVE COMPARATORarticulation Spectron EF Oxinium/ Reflection XLPE
1
ACTIVE COMPARATORarticulation Charnley/ Ogee
Interventions
Eligibility Criteria
You may qualify if:
- arthritis
- dysplasia
You may not qualify if:
- obesitas
- charcots
- paget
- malignancy
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Haukeland University Hospital
Bergen, 50021, Norway
Related Publications (1)
Johannessen HG, Hallan G, Kadar T, Lie SA, Lygre SHL, Fenstad AM, Haugan K, Hol PJ, Badawy M, Jonsson B, Indrekvam K, Aamodt A, Furnes O. Early cup migration and wear as predictors for later aseptic loosening: a secondary evaluation of a randomized controlled RSA trial on cemented hip arthroplasties with 18-year follow-up. Acta Orthop. 2025 Aug 15;96:618-624. doi: 10.2340/17453674.2025.44328.
PMID: 40814981DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Thomas Kadar, PhD
Haukeland University Hospital
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 16, 2008
First Posted
June 17, 2008
Study Start
November 1, 2004
Primary Completion
June 1, 2007
Study Completion
June 1, 2017
Last Updated
February 28, 2017
Record last verified: 2017-02
Data Sharing
- IPD Sharing
- Will not share
Not planned