Last updated on February 2020

14022 ATTUNE Cementless RP Clinical Performance Evaluation


Brief description of study

The primary objective of this study is to examine the change from pre-operative baseline to two year postoperative functional performance improvement for the ATTUNE primary, cementless TKA RP system as measured with the KOOS questionnaire (KOOS-ADL sub-score). This will be carried out for two configurations: cruciate retaining rotating platform (ATTUNE Cementless CR RP) and posterior stabilized rotating platform (ATTUNE Cementless PS RP).

Detailed Study Description

The secondary objectives of this study are:

  • Evaluate change from preoperative baseline in post-operative outcomes using additional patient reported measures at 2 years: PKIP (overall and sub-scores), KOOS (overall and sub-scores), AKS and EQ-5D-3L.
  • Evaluate change from preoperative baseline in pain and satisfaction over time as measured using a modified VAS Pain Score (discrete numbers rather than a continual scale) at 2yr.
  • Evaluate type and frequency of Adverse Events
  • Evaluate survivorship of the ATTUNE Primary Cementless TKA system for the CR RP and PS RP configurations using Kaplan-Meier survival analysis at 2yr and 5yrs.
  • Evaluate primary, cementless ATTUNE TKA fixation through zonal radiographic analysis of the bone-implant interface at 6wk, 6mo, 1yr, and 2yr after surgery.
  • Evaluate any changes in anatomic tibiofemoral, femoral component and tibial component alignment at 2 years compared to the first postoperative radiographs.

Clinical Study Identifier: NCT02839850

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Helmond, Netherlands
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Christchurch, New Zealand
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Wrightington Hospital

Wigan, United Kingdom
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New London Hospital

New London, NH United States
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Rothman Institute

Egg Harbor Township, NJ United States
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UNC Chapel Hill

Chapel Hill, NC United States
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Klinikum Garmisch-Partenkirchen GmbH

Garmisch-Partenkirchen, Germany
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University of Otago

Christchurch, New Zealand
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