Spartan Stem, World Cup and World Liner Post Market Clinical Follow-up Study

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18-75
SponsorSignature Orthopaedics

About this trial

The aim of the study is to monitor the performance of the Signature Orthopaedics Spartan Stem, World Acetabular Cup and World Liner as a post-market vigilance and continuous improvement efforts.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

patient requires unilateral primary total hip arthroplasty due to non-inflammatory degenerative joint disease (e.g., osteoarthritis, traumatic arthritis, avascular necrosis, dysplasia/DDH)

patient must be a candidate for use of the products studied, as determined jointly by the surgeon and patient.

male and non-pregnant female patients aged 18-75

patients who understand the conditions of the clinical evaluation and are willing to participate for the length of the prescribed follow-up.

Disqualifiers

patient has active infection or sepsis(treated or untreated) enough to compromise implant stability or postoperative recovery

patient is a female of child-bearing age and not taking and not taking contraceptive pills

patient has inadequate bone stock to support the device (e.g. severe osteopenia, family history of severe osteoporosis or osteopenia)

patient has a known or suspected metal sensitivity

Trial population

Patients of the Cleveland Clinic

Trial design

Design model

Cohort

Time perspective

Prospective

Treatments tested in this trial

  • Spartan Stem, World Acetabular Cup and World Liner

    Device

    The Spartan Stem is a wedge-shaped fit and fill design stem with Titanium Plasma Spray(TPS) and Hydroxyapatite (HA) coating. The World Acetabular cup is Porous coated and mated with cross-linked polyethylene World Liner

Treatment groups

No treatment groups listed

Trial outcomes

Primary outcomes

1

Spartan Stem, World Acetabular Cup and World Liner Survival Rate

The implant survival rate is based on removal of the device for any reason as determined following the Kaplan-Meier method.

Time frame
up to 2 years

Secondary outcomes

1

Oxford Hip Score (OHS)

The OHS is a patient reported outcome measure (PROM) used to quantify patient satisfaction with the treatment. It consists of 12 questions scored 1 to 5 by the patient.

Time frame
up to 2 years

Other outcomes

1

Radiographic Analysis

Post-operative radiographs of the implant are analysed to identify locations and sizes of radiolucency, indicative of poor fixation. The size, location and progression of radiolucency is monitored. Smaller, non-progressive radiolucencies are preferred.

Time frame
up to 2 years.

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Signature Orthopaedics

Lead sponsor

The Cleveland Clinic

Collaborator