Computer-assisted preoperative design on total knee arthroplasty compared with standard X-ray design: A prospective randomized study

Computer-assisted preoperative design on total knee arthroplasty compared with standard X-ray design: A prospective randomized study - Computer-assited preoperative design

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000002706

Enrollment

100

Registered

2009-11-05

Start date

2009-11-01

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

Knee arthropathy

Interventions

Total knee arthroplasty will be performed based on standard X-ray-based preoperative design Total knee arthroplasty will be performed based on computer-assisted preoperative design

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: knee OA patient with KL grade III or more and knee RA patients with Larsen 3 or more suitable for primary total knee arthroplasty

Exclusion criteria

Exclusion criteria: Patients who; 1, have severe diseases unsuitable for total knee arthroplasty 2, have severe deformity unsuitable for total knee arthroplasty 3, have milder deformity more suitable for joint preserving operation 4, have knee deformity suitable for more constrained implant 5, have had metal implant not suitable for CT evaluation or intramedually rod

Design outcomes

Primary

Measure	Time frame
Femoral and tibial component position will be assessed in CT and X-ray based preoperative design groups	—

Countries

Japan

Contacts

Public ContactHiromu Ito

Kyoto University Graduate School of Medicine Department of Orthopaedic Surgery

hiromu@kuhp.kyoto-u.ac.jp075-751-3652

Outcome results

None listed

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