Total Knee Replacement Component Alignment Using Manual Versus Custom Instrumentation

ClinicalTrials.gov ID: NCT02579174

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Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

1. To determine whether the low-dose, biplanar x-ray imaging (EOS) has the same accuracy as computed axial tomography (CT) 2. To validate low-dose, biplanar x-ray imaging (EOS) as a tool to evaluate 3-dimensional alignment of Total Knee Replacement implants. 3. To evaluate differences in total knee replacement implant alignment in patients whose arthroplasty is performed using manual or custom instrumentation derived from preoperative CT

Study identification

NCT ID: NCT02579174
Recruitment status: Completed
Study type: Interventional
Phase: Not applicable
Lead sponsor: Northwestern University; Other
Enrollment: 112 participants

Conditions and interventions

Conditions

Osteoarthritis of Knee

Interventions

Medacta GMK Sphere Device

Device

Eligibility (public fields only)

Age range: 18 Years to 90 Years
Sex: All
Healthy volunteers: Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date: Jan 2015 (Actual)
Primary completion: Sep 8, 2020 (Actual)
Completion: Nov 30, 2020 (Actual)
Last update posted: Nov 15, 2022

2015 – 2020

United States locations

U.S. sites: 1
U.S. states: 1
U.S. cities: 1

Facility	City	State	ZIP	Site status
Northwestern Medicine Department of Orthopaedic Surgery	Chicago	Illinois	60611	—

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows: Public field values for ClinicalTrials.gov record NCT02579174, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do: No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from: Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh: Last update posted Nov 15, 2022 · Synced Nov 13, 2026