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Medacta GMK Sphere® vs. Medacta GMK PS Post-Market Outcomes Study

NCT03391323 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 218

Last updated 2026-04-29

No results posted yet for this study

Summary

The study is a prospective, randomized comparison of total knee arthroplasty with the Medacta GMK Sphere® knee compared to the Medacta GMK PS knee, with comparison to data from previous trials of similar study design.

Conditions

Interventions

DEVICE

Medacta GMK Sphere® Medial-Pivot Knee Prosthesis

DEVICE

Medacta GMK PS Posterior Stabilized Knee Prosthesis

Sponsors & Collaborators

  • Medacta USA

    collaborator INDUSTRY

  • David F. Scott, MD

    lead OTHER

Principal Investigators

  • David Scott, MD · Spokane Joint Replacement Center

Study Design

Allocation
RANDOMIZED
Purpose
OTHER
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
21 Years
Max Age
80 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2015-04-30
Primary Completion
2023-11-27
Completion
2023-11-27
FDA Device
Yes

Countries

  • United States

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03391323 on ClinicalTrials.gov