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A pilot study to evaluate the functional outcome of nanofractures for the treatment of cartilage lesions

NCT ID NCT05660161

NEW Sponsor: Ente Ospedaliero Cantonale, Bellinzona Source: ClinicalTrials.gov ↗

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Recruiting now This study
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By invitation only
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Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
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Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

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Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
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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

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Status unknown
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First seen Sep 09, 2026 · Last updated Sep 09, 2026

Summary

Articular cartilage lesions, with their inherent limited healing potential, remain a challenging problem for orthopaedic surgeons. Various techniques, both palliative and reparative, have been used to treat this injury with variable success rates. If not adequately treated, they may even lead to the development of early-onset osteoarthritis. Among all the available techniques, microfractures are used in restoring the cartilage tissue, especially in the deep and extended lesions. More recently, the need for minor bone trauma with still adequate bleeding resulted in the development of nanofractures. Nanofracturing means creating perforations with a smaller diameter that go deeper into the bone while damaging it less. This is supposed to reduce the injury to the subchondral bone and increase the amount of bone marrow-derived mesenchymal stromal cells at the bone surface. Thus, the aim of this pilot study is to evaluate the efficacy of nanofractures for the treatment of cartilage lesions of the knee, specifically focusing on the chondral healing that will be addressed with magnetic resonance imaging.

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Study facts

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

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2023

Expected to finish

Jan 2028

An estimate. End dates often move.

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.

Ages

16 to 50 years

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 with cartilage lesions of the knee scheduled for surgery * Age 16-50 * BMI between 18.5 and 30 points * Ability to give informed consent Exclusion Criteria: * Uncorrected knee instability * Meniscectomy \> 50% * Uncorrected knee misalignment * Uncontrolled metabolic diseases * Inability to give informed consent

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As listed by the trial registrant

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

Cartilage damage

How to take part

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  1. The places running it

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  2. The official record

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Contacts and locations

Locations

  • EOC

    RECRUITING

    Lugano, 6900, Switzerland

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