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RCT: Mako Medial Unicondylar Knee Arthroplasty vs Oxford Unicondylar Knee Arthroplasty | Clinical Trials | Clareo Health

RECRUITINGNA

RCT: Mako Medial Unicondylar Knee Arthroplasty vs Oxford Unicondylar Knee Arthroplasty

A Prospective Randomised Control Trial of Mako Medial Unicondylar Knee Arthroplasty Versus Jig-based Oxford Unicompartmental Knee Arthroplasty With Navigation Contro

NCT04095637•University College, London

View on ClinicalTrials.gov

Summary

The overall aim of this prospective, randomised, single-blinded, controlled trial is to compare clinical outcomes and accuracy of implant positioning in Mako robotic UKA versus jig-based Oxford UKA with navigation control. Patients receiving the Mako robotic UKA (Stryker Ltd) will form the investigation group and those undergoing the jig-based Oxford UKA (Zimmer-Biomet Ltd) with navigation control will form the control group. The primary objective in this study is to compare accuracy of component positioning as assessed by postoperative low radiation dose CT scan between conventional Jig-based Oxford UKA with navigation control and Mako robotic UKA.

Eligibility

Age

40 - 80 years

Sex

ALL

Healthy Volunteers

Yes

Inclusion Criteria

•• Patient has medial unicompartmental knee osteoarthritis requiring primary UKA
•* Patient and Surgeon are in agreement that UKA is the most appropriate treatment
•* Patient is fit for surgical intervention following review by surgeon and anaesthetist
•* Patient is between 40-80 years of age at time of surgery
•* Gender: male and female
•* Patient must be capable of giving informed consent and agree to comply with the postoperative review program
•* Patient must be a permanent resident in an area accessible to the study site
•* Patient must have sufficient postoperative mobility to attend follow-up clinics and allow for radiographs to be taken

Exclusion Criteria

•• Patient is not suitable for primary UKA e.g. multi-compartmental knee osteoarthritis, anterior cruciate ligament rupture
•* Patient is not medically fit for surgical intervention
•* Patient requires revision surgery following previously failed correctional osteotomy or ipsilateral UKA
•* Patient is immobile or has another neurological condition affecting musculoskeletal function
•* Patient is less than 40 years of age or greater than 80 years of age
•* Patient is already enrolled on another concurrent clinical trial
•* Patient is unable or unwilling to sign the informed consent form specific to this study
•* Patient is unable to attend the follow-up programme
•* Patient is non-resident in local area or expected to leave the catchment area postoperatively

Locations (1)

UCL Hospital NHS Foundation Trust

London, United Kingdom

Key Dates

Start Date

November 24, 2017

Primary Completion Date

December 31, 2025

Completion Date

January 1, 2026

Last Updated

July 9, 2025

Enrollment

140

ESTIMATED participants

Conditions

Unicompartmental Knee ReplacementOsteo Arthritis KneeSurgery

Interventions

Medial knee arthroplasty

DEVICE

Contacts

Jenni Tahmassebi

CONTACT

02034479413 jenni.tahmassebi1@nhs.net

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Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: July 9, 2025Data synced to Clareo: March 29, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

View ClinicalTrials.gov Terms and Conditions

RCT: Mako Medial Unicondylar Knee Arthroplasty vs Oxford Unicondylar Knee Arthroplasty

Inclusion Criteria

Exclusion Criteria

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