Pre-Op THA Modelling

NCT ID: NCT05221554

Last Updated: 2025-05-13

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

80 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-08-01

Study Completion Date

2025-11-30

Brief Summary

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Replacing diseased hip joints with prosthetic implants in a procedure called total hip arthroplasty (THA) is associated with high rates of patient satisfaction, pain relief, and functional improvement when the implant is appropriately placed. Incorrect implant size or placement may lead to a breadth of negative outcomes, which could result in the need for implant revision. It is difficult to assess the precise orientation of patient hips on the operating table, with one study revealing that only 26% of acetabular cups placed without technological assistance are correctly positioned. Using computer navigation as a guide to achieve optimal implant alignment may improve successful placement rates. The additional incorporation of real-time modeling software may further help realize higher rates of successful implant placement. This study, therefore, aims to investigate a computer navigation system coupled with real-time modeling software to establish the benefit of such technology in the operating room, and further improve positive patient outcomes following THA. We hypothesize that including technological assistance in THAs will yield better patient outcomes compared to surgeries performed freehand.

Detailed Description

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Conditions

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Total Hip Arthroplasty Computer-Assisted Surgery

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Prospective Computer-Navigated Cohort

Patients in this arm will receive standard patient of care implants but navigation software will be used to plan optimal acetabular cup placement.

Group Type EXPERIMENTAL

Computer-navigated THA surgery

Intervention Type PROCEDURE

Navigation software coupled with real-time modeling software will be used to plan optimal acetabular cup for patients undergoing THA.

Cross-sectional Standard of Care Cohort

Patients in this arm will receive standard of care implants and undergo standard of care procedure for total hip arthroplasty.

Group Type ACTIVE_COMPARATOR

Standard of care THA surgery

Intervention Type PROCEDURE

Patients already underwent THA procedure with manual placement of acetabular cup with conventional instrumentation.

Interventions

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Computer-navigated THA surgery

Navigation software coupled with real-time modeling software will be used to plan optimal acetabular cup for patients undergoing THA.

Intervention Type PROCEDURE

Standard of care THA surgery

Patients already underwent THA procedure with manual placement of acetabular cup with conventional instrumentation.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* osteoarthritis of the hip requiring primary THA
* 40 years of age or older
* BMI \<40 kg/m2
* able to provide informed consent, able and willing to do study assessments and follow instructions

Exclusion Criteria

* prior surgery on the indicated hip with insertion of hardware
* prior surgery on the lower spine with insertion of hardware
* hip and/or spinal fixed deformities or inflammatory/ossification processes of the spine (e.g. DISH, ankylosing spondylolisthesis)
* limitations to range of motion of the contralateral hip
Minimum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's

OTHER

Sponsor Role lead

Responsible Party

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Brent Lanting

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Brent Lanting

Role: PRINCIPAL_INVESTIGATOR

London Health Sciences Centre/Lawson

Locations

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London Health Sciences Centre

London, Ontario, Canada

Site Status RECRUITING

Countries

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Canada

Central Contacts

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Brent Lanting

Role: CONTACT

519-663-3335

Lyndsay Somerville

Role: CONTACT

519-685-8500 ext. 36645

Facility Contacts

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Lyndsay Somerville, PhD

Role: primary

Other Identifiers

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11307

Identifier Type: -

Identifier Source: org_study_id

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