Accuracy and functional outcome between iAssist versus conventional instrument in total knee arthroplasty

Accuracy and functional outcome between iAssist versus conventional instrument in total knee arthroplasty: a randomized controlled study

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20200521001

Enrollment

Unknown

Registered

2020-05-21

Start date

2015-10-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Knee osteoarthritis osteoarthritis alignment

Interventions

A hand&#45

held navigation system&#44

iAssist&#44

will be used to aid surgeons to perform the total knee arthroplasty. ,Surgeons perform surgery using conventional instruments.

Experimental Device,Experimental Device

iAssist,Conventional

Eligibility

Sex/Gender

All

Age

18 Years to 85 Years

Inclusion criteria

Inclusion criteria: Patients with osteoarthritis who underwent primary TKA

Exclusion criteria

Exclusion criteria: Inflammatory arthritis Complex TKA due to significant bone loss Lost follow-up

Design outcomes

Primary

Measure	Time frame
Mechanical alignments 6 weeks after surgery CT Scan ,Hip-Knee-Ankle angle (HKA) 6 weeks after surgery CT Scan	—

Secondary

Measure	Time frame
Functional outcome 6 months, 1 year and 2 years after surgery Knee Society Scores (KSS),Quality of life 6 months, 1 year and 2 years after surgery EQ5D	—

Countries

Thailand

Contacts

Public ContactRapeepat Narkbunnam

Faculty of Medicine Siriraj Hospital

mai_parma@hotmail.com+66819351669

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026