Comparing custom and standard knee replacements

Comparison of Customized and Standard Total Knee Replacements: a Pilot Study

Not applicable Interventional Istituto Ortopedico Rizzoli · NCT06122727

This study is testing if custom 3D-printed knee implants can help people with knee osteoarthritis have better surgery results and feel more satisfied compared to standard knee replacements.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment20 (estimated)
Ages40 Years to 70 Years
SexAll
SponsorIstituto Ortopedico Rizzoli Academic / other
Locations1 site (Bologna)
Trial IDNCT06122727 on ClinicalTrials.gov

What this trial studies

This study evaluates the effectiveness of custom 3D-printed knee implants compared to standard total knee arthroplasty (TKA) in patients with knee osteoarthritis. The approach utilizes patient-specific instrumentation to ensure precise bone cuts and a better fit of the prosthesis, potentially enhancing stability and durability. Participants will undergo a primary cemented total knee replacement, with the aim of assessing outcomes related to the custom implants. The study seeks to determine if personalized implants can improve surgical results and patient satisfaction.

Who should consider this trial

Good fit: Ideal candidates are males and females aged 40 to 70 who are scheduled for primary cemented total knee replacement.

Not a fit: Patients with significant knee deformities, neurological disorders, or a history of certain medical conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this could lead to improved outcomes and satisfaction for patients undergoing knee replacement surgery.

How similar studies have performed: Previous studies have shown promise in the use of custom implants for knee replacements, indicating a potential for success in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Male and female subjects older than 40 years and younger than 70 years (≥ 40 age ≤ 70 years) candidates for primary cemented total knee replacement.
* Consenting patients and able to complete scheduled study procedures and follow-up evaluations.
* Patients who have signed the "informed consent" approved by the Ethics Committee.

Exclusion Criteria:

* Social conditions (homeless patients, with restrictions on personal freedom)
* ASA 3
* Deep venous insufficiency Lower limbs
* History of Erisipelas lower limbs
* Neurological or psychocognitive disorders
* Neurological diseases
* Post-traumatic arthritis
* Axial deformities of the knee \>10°
* Personal or family history of DVT or EP
* Prosthetic and/or arthrodesis surgeries at another joint of the lower extremities lower limb except that candidate for knee prosthesis
* Pregnant women
* Patients with rheumatic diseases

Where this trial is running

Bologna

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Knee Osteoarthritis
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.