Comparison of Two CT-Based Navigation Systems in Total Hip Arthroplasty

A Prospective Randomized Controlled Trial Comparing Implant Positioning Accuracy Between CT-Based Navigation Systems in Total Hip Arthroplasty - THA-Navi Trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000061295

Enrollment

Registered

2026-05-01

Start date

2026-07-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Osteoarthritis of the hip, osteonecrosis of the femoral head, and femoral neck fracture

Interventions

Total hip arthroplasty will be performed using the Stryker CT-based navigation system. The navigation system will be used intraoperatively for implant positioning within the standard surgical procedur

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients scheduled for primary total hip arthroplasty, Patients who provide written informed consent

Exclusion criteria

Exclusion criteria: Revision total hip arthroplasty, Cemented cup cases, Patients with prior pelvic osteotomy or pelvic trauma

Design outcomes

Primary

Measure	Time frame
Absolute error between planned and postoperative cup anteversion measured on CT within 2 weeks after surgery	—

Secondary

Measure	Time frame
Absolute error of cup inclination measured on CT within 2 weeks after surgery, Femoral head center position, Clinical outcomes (Modified Harris Hip Score), Patient-reported outcomes (JHEQ, JOANR THA PROMs), Postoperative complications	—

Countries

Japan

Contacts

Public ContactYu Takeda

Hyogo Medical University Department of Orthopaedic Surgery

takeda.yu.0127@gmail.com(0798)45-6452

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026