NCT01542580

Brief Summary

The purpose of this study is to evaluate performance of the Vanguard 360 revision knee system utilizing offset on either the tibial component, femoral component, or both in terms of the restoration of mechanical alignment, clinical outcomes and survivorship.

Trial Health

82
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
255

participants targeted

Target at P75+ for all trials

Timeline
67mo left

Started Mar 2012

Longer than P75 for all trials

Geographic Reach
8 countries

12 active sites

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress72%
Mar 2012Dec 2031

First Submitted

Initial submission to the registry

February 27, 2012

Completed
3 days until next milestone

Study Start

First participant enrolled

March 1, 2012

Completed
1 day until next milestone

First Posted

Study publicly available on registry

March 2, 2012

Completed
19.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2031

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2031

Last Updated

November 25, 2025

Status Verified

November 1, 2025

Enrollment Period

19.8 years

First QC Date

February 27, 2012

Last Update Submit

November 20, 2025

Conditions

Keywords

Revision surgery

Outcome Measures

Primary Outcomes (1)

  • AMERICAN KNEE SOCIETY KNEE SCORE

    Improvement of American Knee Society Knee Score between pre-operative and 2 years post-operative follow up

    24 months postoperative

Secondary Outcomes (1)

  • Survivorship

    10 years postoperative

Study Arms (5)

Vanguard SSK 360 with PS Bearing

Patients enrolled using a Vanguard SSK 360 Posterior-Stabilized (non-constrained) tibial bearing.

Device: Vanguard SSK 360 with PS Bearing

Vanguard SSK 360 with PSC Bearing

Patients enrolled using a Vanguard SSK 360 Posterior-Stabilized Constrained tibial bearing.

Device: Vanguard SSK 360 with PSC bearing

Vanguard DA 360

Patients enrolled using a Vanguard DA 360 component.

Device: Vanguard DA 360

Vanguard 360 TiNbN Femur with PS Bearing

The Vanguard 360 TiNbN is the same system and functions in the same manner as the non-coated device.

Device: Vanguard 360 TiNbN Femur with PS bearing

Vanguard 360 TiNbN Femur with PSC Bearing

The Vanguard 360 TiNbN is the same system and functions in the same manner as the non-coated device.

Device: Vanguard 360 TiNbN Femur with PSC bearing

Interventions

non-constrained tibial bearing

Vanguard SSK 360 with PS Bearing

constrained tibial bearing

Vanguard SSK 360 with PSC Bearing

Dual-articulation device, only cleared in EU

Vanguard DA 360

non-constrained tibial bearing, titanium niobium nitride coated Vanguard 360 femur

Vanguard 360 TiNbN Femur with PS Bearing

constrained tibial bearing, titanium niobium nitride coated Vanguard 360 femur

Vanguard 360 TiNbN Femur with PSC Bearing

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients prescribed the Vanguard 360 Revision Knee System

You may qualify if:

  • Painful and disabled knee joint resulting from osteoarthritis, rheumatoid arthritis, traumatic arthritis where one or more compartments are involved.
  • Correction of varus, valgus or post-traumatic deformity
  • Correction or revision of unsuccessful osteotomy, arthrodesis, or failure of previous joint replacement procedure
  • Ability and willingness of the patient to attend follow-up visit.
  • Willing to give written informed consent
  • Patients are at least 18 years of age, no upper age limit, must have reached full skeletal maturity.

You may not qualify if:

  • infection
  • sepsis
  • osteomyelitis
  • Relative Contraindications:
  • An uncooperative patient or a patient with neurologic disorders who is incapable of following directions
  • Osteoporosis
  • Metabolic disorders which may impair brain function
  • Osteomalacia
  • Distant foci of infections which may spread to the implant site
  • Rapid joint destruction, marked bone loss, or bone resorption apparent on roentgenogram
  • Vascular insufficiency, muscular atrophy, neuromuscular disease
  • Incomplete or deficient soft tissue surrounding the knee

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (12)

Illinois Bone and Joint

Morton Grove, Illinois, 60053, United States

Location

Orthopedic Institute of Henderson

Henderson, Nevada, 89052, United States

Location

University of Utah Orthopedic Center

Salt Lake City, Utah, 84108, United States

Location

OrthoVirginia West End Orthopedic Clinic

Richmond, Virginia, 23235, United States

Location

University Hopital Pellenberg

Pellenberg, Belgium

Location

Aarhus university hospital

Aarhus, Denmark

Location

Ch Lyon Sud

Lyon, 69000, France

Location

Klinik fur Endoprothetik und gelenkchirurgie

Bad Wildbad, Germany

Location

IRCCS Istituto Ortopedico Galeazzi

Milan, Italy

Location

Azienda Ospedaliero Universitaria Pisana

Pisa, Italy

Location

University Hospital Mutua de Terrasa

Terrassa, Spain

Location

Royal Orthopaedic Hospital

Birmingham, B31 2AP, United Kingdom

Location

MeSH Terms

Conditions

OsteoarthritisArthritis, Rheumatoid

Condition Hierarchy (Ancestors)

ArthritisJoint DiseasesMusculoskeletal DiseasesRheumatic DiseasesConnective Tissue DiseasesSkin and Connective Tissue DiseasesAutoimmune DiseasesImmune System Diseases

Study Officials

  • Emilie Rohmer

    Zimmer Biomet

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 27, 2012

First Posted

March 2, 2012

Study Start

March 1, 2012

Primary Completion (Estimated)

December 1, 2031

Study Completion (Estimated)

December 1, 2031

Last Updated

November 25, 2025

Record last verified: 2025-11

Data Sharing

IPD Sharing
Will not share

Locations