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Knee replacement failures under the microscope: new study analyzes costs and X-Rays

NCT ID NCT06821581

Knowledge-focused Sponsor: Istituto Ortopedico Rizzoli Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This completed study reviewed data from 31 patients who had knee replacement revision surgery due to aseptic loosening (the implant coming loose without infection). Researchers used a regional registry and X-ray analysis to understand the causes and economic impact. The goal was to identify patterns that could help improve future surgeries and reduce healthcare costs.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help healthcare systems better predict and manage knee replacement failures, potentially reducing costs and improving patient outcomes.
What could go wrong
This is a small, completed observational study with only 31 patients. It does not test a new treatment, so it cannot directly improve care.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

31 people

The number who actually took part.

Started

Jan 2026

Finished

May 2026

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

The analysis will be conducted on implants performed in the Emilia-Romagna region from 2003 to 2022 and on implants performed at the II Orthopedic and Traumatological Clinic of the Rizzoli Orthopedic Institute during the same period

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients undergoing knee prosthesis revision for aseptic mobilization * Follow-up ≥ 2 years * Willingness to participate in the study * Both sexes * Patients ≥ 18 years old Exclusion Criteria: * Patient refusal to participate in the study and sign the informed consent * Simultaneous participation in other studies

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Conditions

The condition(s) this trial relates to.

osteoarthritis, knee

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Arthropathy of knee Aseptic loosening

Contacts and locations

Locations

  • IRCCS Istituto Ortopedico Rizzoli

    Bologna, Bologna, 40136, Italy

More trials for these conditions

Other studies related to the condition(s) this trial covers.