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OsteoarthritisNCT00289081

Primary TKA Cruciate Retaining vs Cruciate Substituting With Rotating Platform Knee Prostheses

A study testing Total Knee Replacement in people with Osteoarthritis and Arthritis, Rheumatoid, run by DePuy Orthopaedics at 4 sites in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

The purpose of the study is to evaluate the clinical performance of the cruciate ligament retaining or cruciate ligament substituting implants by obtaining a series of primary TKAs. Outcome scoring and radiographic assessment will be the methods used to evaluate performance. Read more about this study

Who is it for?
Ages 18 to 75 years
What is being tested?
Total Knee Replacement
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
399 participants
Where
4 sitesUnited States
Study dates
Feb 2001to Jun 2006
Phase
Interventional
Are there results?
None posted in the registry

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 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Osteoarthritis
  • Rheumatoid arthritis
  • Avascular necrosis (AVN) of bone
  • Other inflammatory arthritis
  • Post-traumatic arthritis
  • Juvenile rheumatoid arthritis

Who cannot join

  • Prior ipsilateral TKA
  • Metabolic disorders
  • Joint replacement due to autoimmune disorders
  • History of recent/active joint sepsis
  • Charcot neuropathy
  • Psycho-social disorders that would limit rehabilitation
Show all 9Show fewer
  • Greater than 75 years of age at the time of surgery
  • Severe diabetes mellitus
  • Skeletal immaturity

Trial locations and contacts

4 sites in 1 country.

United States4 sites
  • Study site

    Cleveland Heights, Ohio, 44118

  • West Coast Orthopaedic Specialists

    Crystal River, Florida, 34429

  • Study site

    La Jolla, California, 92037

  • Study site

    Melbourne, Florida, 32901

Other trials in United States

About this study

Official title: Multi-center Prospective Clinical Evaluation of the P.F.C.® Sigma™ Rotating Platform Knee Primary Cases Cruciate Retaining Versus Cruciate Substituting

The purpose of the study is to evaluate the clinical performance of the cruciate ligament retaining or cruciate ligament substituting implants by obtaining a series of primary TKAs. Outcome scoring and radiographic assessment will be the methods used to evaluate performance.

Read the detailed description

The study will evaluate the clinical performance of cruciate ligament retaining or cruciate ligament substituting implants through a series of primary TKAs. Patients will receive either the P.F.C.® Sigma™ Rotating Platform Cruciate Retaining Knee implant or the P.F.C.® Sigma™ Rotating Platform Cruciate Substituting Knee implant and assignment will be randomized.

Being tested
Total Knee Replacement
Keywords
Total Knee Replacement
Medical subject headings
Osteoarthritis, Arthritis, Rheumatoid, Osteonecrosis

What participants receive

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

  • Total Knee ReplacementDevice

    Also called P.F.C.® Sigma™ RP Cruciate Retaining Knee implant

    Rotating Platform (RP) Cruciate Retaining Knee implant

  • Total knee replacementDevice

    Also called P.F.C.® Sigma™ RP Cruciate Substituting Knee implant.

    Rotating Platform (RP) Cruciate Substituting Knee implant.

Study groups in NCT00289081
Study groupRoleWhat they receive
1Active comparatorRotating Platform Cruciate Retaining Knee implant
Receives: Device: Total Knee Replacement
2Active comparatorRotating Platform Cruciate Substituting Knee implant.
Receives: Device: Total knee replacement

What is being measured

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

  1. Knee Society scores

    Measured: Pre-operative, 6 and 12 months and annually thereafter for at least 5 years.

Secondary outcomes (4)
  1. Complications

    Measured: On-going to end of study

  2. Revisions

    Measured: On-going to end of study

  3. Medical imaging

    Measured: Pre-operative, 6 and 12 months and annually thereafter for at least 5 years.

  4. SF-12 patient outcomes

    Measured: Pre-operative, 6 and 12 months and annually thereafter for at least 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 posted9 Feb 2006 (estimated)
  2. Study startFeb 2001
  3. Primary completionJun 2006
  4. Study completionJun 2006

Why it stopped: Business reasons

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
Non-randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
399 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00289081
Sponsor's protocol ID
SRP-1
Status last verified
May 2014
First submitted
7 Feb 2006
Last updated
13 May 2014
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A study testing Total Knee Replacement in people with Osteoarthritis and Arthritis, Rheumatoid, run by DePuy Orthopaedics at 4 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 9 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: stopped early, as of the sponsor's last update on 13 May 2014. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 4 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?

The study was stopped early (reason given: Business reasons). Results are not available in the source record.

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?

Knee Society scores (time frame: Pre-operative, 6 and 12 months and annually thereafter for at least 5 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 13 May 2014.

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