NCT01224522

Brief Summary

\- Title: PATIENT-MATCHED INSTRUMENTATION VS. STANDARD INSTRUMENTATION: A RANDOMIZED CLINICAL TRIAL COMPARING POSTOPERATIVE AXIAL ALIGNMENT and COMPONENT POSITION

  • Short Title: Visionaire Alignment
  • Methodology: Monocentric, Single Blinded, Randomized Controlled Trial
  • Study Duration: November 2010 to July 2014
  • Study Centres: Leicester General Hospital, United Kingdom (UK)

Trial Health

57
Monitor

Trial Health Score

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

Enrollment
70

participants targeted

Target at below P25 for phase_3

Timeline
Completed

Started Mar 2011

Typical duration for phase_3

Geographic Reach
1 country

1 active site

Status
terminated

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

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 14, 2010

Completed
6 days until next milestone

First Posted

Study publicly available on registry

October 20, 2010

Completed
4 months until next milestone

Study Start

First participant enrolled

March 1, 2011

Completed
3.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2014

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2014

Completed
Last Updated

April 14, 2015

Status Verified

April 1, 2015

Enrollment Period

3.4 years

First QC Date

October 14, 2010

Last Update Submit

April 13, 2015

Conditions

Keywords

Randomized Controlled TrialTotal Knee ArthroplastyPatient Matched Cutting Blocks

Outcome Measures

Primary Outcomes (1)

  • Axial Alignment

    Axial alignment will be measured by means of CT scan and long leg x-ray

    6 weeks,

Secondary Outcomes (1)

  • Clinical effectiveness and safety.

    1 year

Study Arms (2)

Visionaire

EXPERIMENTAL

the group who will be operated by the use of Visionaire patient matched cutting blocks

Procedure: Visionaire

Standard Surgical technique

ACTIVE COMPARATOR

The group who will be operated by means fo standard surgical technique

Procedure: Standard surgical technique

Interventions

VisionairePROCEDURE

Implantation of a Genesis II Total Knee by means of Visionaire patient matched cutting blocks.

Also known as: Standard Smith & Nephew instruments, Visionaire Instruments
Visionaire

Implantation of Genesis II Total Knee system by means of standard surgical technique.

Standard Surgical technique

Eligibility Criteria

Age40 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Indication for TKA, Axial alignment between 10 degrees valgus and 20 degrees varus, BMI \<36, patient must be amendable for both Genesis II total knee and Visioniare cutting blocks

You may not qualify if:

  • Insufficient femoral or tibia bone stock, inflammatory arthritis (e.g. rheumatoid arthritis), patient is immunosuppressed, has an active infection (local or systemic), patient has physical, emotional or neurological conditions that would compromise the patients compliance with rehabilitation and follow up.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Leicester General Hospital

Leicester, LE5 4PW, United Kingdom

Location

MeSH Terms

Conditions

Osteoarthritis, Knee

Condition Hierarchy (Ancestors)

OsteoarthritisArthritisJoint DiseasesMusculoskeletal DiseasesRheumatic Diseases

Study Officials

  • Urjit Chatterji, MD

    Leicester General Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 14, 2010

First Posted

October 20, 2010

Study Start

March 1, 2011

Primary Completion

August 1, 2014

Study Completion

August 1, 2014

Last Updated

April 14, 2015

Record last verified: 2015-04

Locations