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Retrospective Study of the Linear™ Hip

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00764959
Recruitment Status : Terminated (Enrollment and data collection insufficient to continue study.)
First Posted : October 2, 2008
Last Update Posted : February 9, 2011
Information provided by:
Encore Medical, L.P.

Brief Summary:
The purpose of this study is to evaluate the use and efficacy of the Encore Linear™ Hip System in a group of 200 patients for whom data has already been collected.

Condition or disease Intervention/treatment
Osteoarthritis Rheumatoid Arthritis Femoral Fracture Correction of a Functional Deformity Avascular Necrosis Device: Encore Linear™ Hip System

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Study Type : Observational
Estimated Enrollment : 200 participants
Observational Model: Cohort
Time Perspective: Retrospective
Official Title: Post-Market Study of the Linear™ Hip System
Study Start Date : October 2007
Actual Primary Completion Date : February 2011
Actual Study Completion Date : February 2011

Resource links provided by the National Library of Medicine

Group/Cohort Intervention/treatment
Linear Hip
Encore Linear Hip System
Device: Encore Linear™ Hip System
Subjects with degenerative joint disease (DJD), osteoarthritis or rheumatoid arthritis, have received the hip system and are willing to participate in the study.

Primary Outcome Measures :
  1. The use and efficacy of the Encore Linear™ Hip System [ Time Frame: 2 year ]

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Individuals who meet the indications for use of the Linear Hip device AND who meet the inclusion/exclusion criteria

Inclusion Criteria:

  • Have hip joint disease related to one or more of the following

    • osteoarthritis
    • rheumatoid arthritis
    • femoral fracture
    • correction of a functional deformity
    • avascular necrosis of the natural femoral head
  • Skeletal maturity
  • Patient is likely to be available for evaluation for the duration of the study
  • Able and willing to sign the informed consent and follow study procedures
  • Patient is not pregnant
  • No infection present
  • No known materials sensitivity
  • Patient is over 18 years of age

Exclusion Criteria:

  • Skeletal immaturity
  • Infection or sepsis
  • Insufficient bone quality that may affect the stability of the implant
  • Muscular, neurologic or vascular deficiencies which compromise the affected extremity
  • Alcoholism or other addictions
  • Prisoners
  • High levels of physical activity
  • Patient is pregnant
  • Loss of ligamentous structures
  • Materials sensitivity
  • Patient is under 18 years of age

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00764959

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United States, Florida
Hussamy Orthopedics
Vero Beach, Florida, United States, 32960
Sponsors and Collaborators
Encore Medical, L.P.
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Principal Investigator: Omar Hussamy, M.D. Hussamy Orthopedics

Additional Information:
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Responsible Party: Jane M. Jacob Ph.D., DJO Surgical Identifier: NCT00764959    
Other Study ID Numbers: PS - 800
First Posted: October 2, 2008    Key Record Dates
Last Update Posted: February 9, 2011
Last Verified: February 2011
Additional relevant MeSH terms:
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Femoral Fractures
Pathologic Processes
Fractures, Bone
Wounds and Injuries
Leg Injuries