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Arthroplasty, Replacement, HipNCT00957658

Accolade® TMZF® Hip Stem Outcomes Study

A study testing Accolade® TMZF® Hip Stem in people with Arthroplasty, Replacement, Hip, run by Stryker Orthopaedics at 11 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to evaluate clinical and radiographic outcome data in patients implanted with the Accolade® TMZF® femoral stem. Read more about this study

Who is it for?
Ages 18 to 90 years
Conditions the study is for
Arthroplasty, Replacement, Hip
What is being tested?
Accolade® TMZF® Hip Stem
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
241 participants
Where
11 sitesUnited States
Study dates
Mar 2006to May 2014
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 90 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patient is a candidate for a primary total hip replacement.
  • Patient has primary diagnosis of osteoarthritis (OA).
  • Male and non-pregnant female patients ages 18 to 90.
  • Patient has signed an Institutional Review Board (IRB) approved, study specific Informed Patient Consent Form.
  • Patient willing and able to comply with postoperative scheduled clinical and radiographic evaluations and rehabilitation.
  • Patient capable of undergoing a pre-op central DXA (dual-energy x-ray absorptiometry) scan for a bone mineral density (BMD) reading.

Who cannot join

  • Patient has an active infection within the affected hip joint.
  • Patient requires a revision surgery of a previously implanted total hip arthroplasty or hip fusion to the affected joint.
  • Patient who is morbidly obese, Body Mass Index (BMI) > 40.
  • Patient has a neuromuscular or neurosensory deficiency, which limits ability to evaluate the safety and efficacy of the device.
  • Patient has the following diagnosed systemic diseases: Paget's disease, renal osteodystrophy, lupus erythematosus, rheumatoid arthritis, metabolic bone disease and sickle cell anemia.
  • Patient is immunologically suppressed or receiving chronic steroids more than 30 days. Patients receiving oral or IV steroids within one month of surgery.
  • Patient is a prisoner.

Trial locations and contacts

11 sites in 1 country.

11 sites in 1 country

United States11 sites
  • Orthopaedic Surgery Associates

    Boynton Beach, Florida, 33435

  • Coastal Orthopaedics

    Bradenton, Florida, 34209

  • Hughston Clinic P.A.

    Columbus, Georgia, 31908

  • Plymouth Bay Ortho Association

    Duxbury, Massachusetts, 02332

  • Specialty Orthopaedics

    Harrison, New York, 10528

  • Mayo Clinic Jacksonville

    Jacksonville, Florida, 32224

  • Newport Orthopaedic Institute

    Newport Beach, California, 92660

  • Alvarado Ortho Medical Group

    San Diego, California, 92120

  • Spartanburg Regional Medical Center

    Spartanburg, South Carolina, 23907

  • New England Orthopaedic Surgeons

    Springfield, Massachusetts, 01107

  • Northwest Orthopaedic Institute

    Tacoma, Washington, 98402

Other trials in United States

About this study

Official title: Accolade® TMZF® Study A Prospective, Post-market, Non-randomized, Multi-center Evaluation of the Accolade® TMZF® Hip Stem

The purpose of this study is to evaluate clinical and radiographic outcome data in patients implanted with the Accolade® TMZF® femoral stem.

Read the detailed description

A prospective, post-market, multi-centered clinical evaluation of the Accolade® TMZF® hip stem device. All patients enrolled will receive the study device. All study patients will undergo a preoperative central Dual energy X-ray absorptiometry (DXA) scan to determine bone mineral density (BMD) values.

Being tested
Accolade® TMZF® Hip Stem
Keywords
Osteoarthritis
Medical subject headings
Osteoarthritis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Accolade® TMZF® Hip StemDevice

    Accolade® TMZF® Hip Stem

Study groups in NCT00957658
Study groupRoleWhat they receive
Accolade® TMZF® Hip StemOtherAccolade® TMZF® Hip Stem Study Device
Receives: Device: Accolade® TMZF® Hip Stem

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Combined Percentage (%) Cases Without Aseptic Loosening, Intraoperative Femoral Fracture or Thigh Pain

    Measured: 2 years

Secondary outcomes (9)
  1. Percentage (%) of Hip Stems With Aseptic Loosening

    Aseptic loosening is defined as a continuous radiolucency that surrounds the entire femoral stem porous coating-bone interface and that measures greater than 2 mm in thickness, and 5 mm or more of stem subsidence. Continuous radiolucency must be present in Zones 1, 2, 6 and 7 of the AP radiographic view and/or present in Zones 8, 9, 13 and 14 of the M/L radiographic view.

    Measured: 5 years

  2. Revision/Removal Rates

    The percentage (%) of hips with revision or removal of any total hip replacement component (acetabular cup, femoral stem or femoral head) is reported at the 2 and 5 year postoperative intervals.

    Measured: 2 and 5 years

  3. Change in Harris Hip Score (HHS)

    The change in HHS is reported by comparing the mean preoperative, 2 and 5 year postoperative scores. Scores can range from 0 to 100 with 0 being the worst and 100 being the best score. A score of 80-100 is considered good-excellent and a score of less than or equal to 79 is considered fair-poor. 90-100 = excellent, 80-89 = good, 70-79 = fair, 0-69 = poor.

    Measured: Preoperative, 2 and 5 years

  4. Change in SF-12 Score

    The change in SF-12 is reported by comparing the mean preoperative, 2 and 5 year postoperative scores.The SF-12 Health Survey is a 12-item patient completed questionnaire to measure general health and well-being. It includes a physical and mental status component score; each ranging from 0-100. Low values represent a poor health state and high values represent a good health state.

    Measured: Preoperative, 2 and 5 years

  5. Change in Lower Extremity Activity Scale (LEAS) Score

    The change in LEAS is reported by comparing the mean preoperative, 2 and 5 year postoperative scores.The LEAS is completed by the participant to assess activity level. Activity levels were ordered in terms of intensity from 1 to 18, with 18 indicating the highest activity level. The mean preoperative, 2 and 5 year scores are reported to assess improvement.

    Measured: Preoperative, 2 and 5 years

  6. PEQ (Patient Expectation Questionnaire) Overall Satisfaction

    The PEQ is a study sponsor generated outcomes form. It is a one page questionnaire completed by the participant to assess lifestyle recovery post-surgery. Preoperatively, participants are asked to identify 3 of 12 different expectations that they most want to achieve after hip surgery. At 6 months,1 year and 2 years post-surgery participants evaluated the 3 expectations they identified and assessed their overall satisfaction and percent achievement.

    EXPECTATIONS KEY:

    Participate in recreational activities (dancing,traveling,gardening)

    Exercise or participate in sports

    Independently perform household chores/daily routine

    Easily change position,sit to stand/stand to sit

    Remove need for cane crutch or walker

    Use stairs normally step by step

    Ability to sleep through night

    Maintain social activites,caring for someone,playing with children

    Use public transportation or drive

    Maintain psychological well-being

    Maintain sexual activity

    Maintain employment

    Measured: 6 months, 1 year and 2 years

  7. PEQ (Patient Evaluation Questionnaire) Percent Achievement

    The PEQ is a study sponsor generated outcomes form. It is a one page questionnaire completed by the participant to assess lifestyle recovery post-surgery. Preoperatively, participants are asked to identify 3 of 12 different expectations that they most want to achieve after hip surgery. At 6 months,1 year and 2 years post-surgery participants evaluated the 3 expectations they identified and assessed their overall satisfaction and percent achievement.

    EXPECTATIONS KEY:

    Participate in recreational activities (dancing,traveling,gardening)

    Exercise or participate in sports

    Independently perform household chores/daily routine

    Easily change position,sit to stand/stand to sit

    Remove need for cane crutch or walker

    Use stairs normally step by step

    Ability to sleep through night

    Maintain social activites,caring for someone,playing with children

    Use public transportation or drive

    Maintain psychological well-being

    Maintain sexual activity

    Maintain employment

    Measured: 6 months, 1 year, 2 years

  8. Acetabular Insert Wear

    The linear wear rate of the polyethylene acetabular insert is measured radiographically and reported at 5 years.

    Measured: 5 years

  9. Wrist DXA Scan Analysis

    DXA is a bone densitometry scan that measures bone mineral density and assigns a T-score. This score shows the amount of bone a patient has compared with a young adult of the same gender with peak bone mass. A score above -1 is considered normal. A score between -1 and -2.5 is classified as osteopenia (low bone mass). A score below -2.5 is defined as osteoporosis.

    Measured: 5 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted12 Aug 2009 (estimated)
  2. Study startMar 2006
  3. Primary completionMay 2011
  4. Study completionMay 2014

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
241 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00957658
Sponsor's protocol ID
59
Status last verified
Jul 2016
First submitted
10 Aug 2009
Last updated
14 Aug 2017
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A study testing Accolade® TMZF® Hip Stem in people with Arthroplasty, Replacement, Hip, run by Stryker Orthopaedics at 11 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 14 Aug 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 11 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 15 Aug 2014). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Combined Percentage (%) Cases Without Aseptic Loosening, Intraoperative Femoral Fracture or Thigh Pain (time frame: 2 years). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 14 Aug 2017.

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