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Wear Measurements of E-Poly in an Uncemented THA With Either 32 or 36 mm Caput of Ceramics.
This study is currently recruiting participants.
Verified by Lovisenberg Diakonale Hospital, December 2008
First Received: December 5, 2008   No Changes Posted
Sponsors and Collaborators: Lovisenberg Diakonale Hospital
Helse Sør-Øst
Biomet, Inc.
Ullevaal University Hospital
Information provided by: Lovisenberg Diakonale Hospital
ClinicalTrials.gov Identifier: NCT00804388
  Purpose

The aim of the study is to compare polyethylene wear in an uncemented total hip prosthesis with 3rd. generation highly cross-linked polyethylene with a 32 mm ceramic femoral head compared to a 36 mm ceramic head. Using X-ray, RSA and DEXA.

The polyethylene to be used is E-Poly (Biomet).

The H0 hypothesis is that there is no difference with regard to polyethylene wear and bone loss between the two groups.


Condition Intervention
Primary Arthrosis
Degenerative Joint Disease
Procedure: Total hip arthroplasty

MedlinePlus related topics: Joint Disorders Osteoarthritis
Drug Information available for: alpha-Tocopheryl acetate alpha-Tocopherol Vitamin E Tocopherols Tocotrienol
U.S. FDA Resources
Study Type: Interventional
Study Design: Treatment, Randomized, Open Label, Uncontrolled, Parallel Assignment, Safety/Efficacy Study
Official Title: Comparing Polyethylene Wear Using 3. Generation Highly Crosslinked Polyetylene in an Uncemented Total Hip Prostheses With Either 32 mm or 36 mm Caput of Ceramics

Further study details as provided by Lovisenberg Diakonale Hospital:

Primary Outcome Measures:
  • Measure polyethylene wear and bone mineral density between the two goups [ Time Frame: 2 year ] [ Designated as safety issue: Yes ]

Estimated Enrollment: 50
Study Start Date: December 2008
Estimated Study Completion Date: January 2011
Estimated Primary Completion Date: December 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
1: Active Comparator
Uncemented total hip replacement, 32 mm caput
Procedure: Total hip arthroplasty
32 mm versus 36 mm caput of ceramics Vitamin E stabilized polyethylene
2: Active Comparator
Uncemented total hip replacement, 36 mm caput
Procedure: Total hip arthroplasty
32 mm versus 36 mm caput of ceramics Vitamin E stabilized polyethylene

Detailed Description:

Uncemented THA, 32 mm or 36 mm caput of ceramics, E-Poly inserts. Measure wear with RSA, X-Ray and bone mineral density with DEXA.

  Eligibility

Ages Eligible for Study:   50 Years to 65 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • 50-65 years old
  • Primary or secondary osteoarthritis

Exclusion Criteria:

  • Significant anatomical divergence are excluded
  • Rheumatoid arthritis
  • Fracture sequelae
  • Dysplasia
  • Immune suppression or grave systemic illness
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00804388

Contacts
Contact: Einar Lindalen, MD +47 23 22 50 00 eli@lds.no
Contact: Stephan M. Røhrl, MD, PhD +47 22 11 80 80 s.m.rohrl@medisin.uio.no

Locations
Norway
Lovisenberg Diakonale sykehus Recruiting
Oslo, Norway
Contact: Einar Lindalen, MD     +47 23 22 50 00     eli@lds.no    
Contact: Stephan M. Røhrl, MD,PhD     +47 22 11 80 80     s.m.rohrl@medisin.uio.no    
Principal Investigator: Einar Lindalen, MD            
Sponsors and Collaborators
Lovisenberg Diakonale Hospital
Helse Sør-Øst
Biomet, Inc.
Ullevaal University Hospital
Investigators
Study Chair: Stephan M. Røhrl, MD,PhD Ullevål Univeristy Hospital Norway
Study Chair: Einar Lindalen, MD Lovisenberg Diakonale sykehus
  More Information

No publications provided

Responsible Party: Lovisenberg Diakonale sykehus ( Einar Lindalen, MD, Lovisenberg Diakonale sykehus )
Study ID Numbers: S-08366a, 03-2008 LDS
Study First Received: December 5, 2008
Last Updated: December 5, 2008
ClinicalTrials.gov Identifier: NCT00804388     History of Changes
Health Authority: Norway: The National Committees for Research Ethics in Norway;   Norway: Directorate for Health and Social Affairs;   Norway: Data Inspectorate

Keywords provided by Lovisenberg Diakonale Hospital:
Vitamine E
E-poly
Hip
Degenerative joint disease

Study placed in the following topic categories:
Tocopherol acetate
Antioxidants
Osteoarthritis
Joint Diseases
Trace Elements
Rheumatic Diseases
Alpha-Tocopherol
Tocopherols
Vitamin E
Musculoskeletal Diseases
Arthritis
Vitamins
Tocotrienols
Micronutrients

Additional relevant MeSH terms:
Antioxidants
Molecular Mechanisms of Pharmacological Action
Osteoarthritis
Growth Substances
Joint Diseases
Physiological Effects of Drugs
Rheumatic Diseases
Protective Agents
Pharmacologic Actions
Tocopherols
Vitamin E
Musculoskeletal Diseases
Arthritis
Vitamins
Micronutrients

ClinicalTrials.gov processed this record on May 07, 2009