New scanner could make joint imaging cheaper and easier
NCT ID NCT01771393
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether a cone-beam CT scanner (often used for dental imaging) can detect cartilage damage in the wrist, ankle, elbow, and knee as well as a standard multidetector CT scanner. 69 adults who needed an arthroscan (a joint X-ray with dye) received both scans in random order. Researchers compared how well each scanner showed cartilage injuries, image quality, and patient comfort. The goal is to see if the cone-beam scanner, which allows sitting or lying positions, could be a reliable alternative for joint imaging.
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 show that cone-beam CT is a reliable, lower-cost alternative to standard CT for diagnosing cartilage injuries in joints.
- What could go wrong
- This is a small, completed study (69 people) comparing imaging methods, not testing a treatment. Results may not apply to all patients or settings.
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.
- Phase
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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
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69 people
The number who actually took part.
- Start date
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Jul 2012
- Finished
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Jun 2013
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Patient age 18 years old or above, weight ≤ 160 Kg * Patient require knee or ankle or elbow or wrist arthroscanner * French spoken an read * Free and informed consent signed * Being affiliated to a French social security system or similar. Exclusion Criteria: * Patients already included in the ARCOBE study * Patient with severe pain and reduced spontaneous mobility that could prevent proper positioning for the cone-beam * Lack of effective contraception (risk of pregnancy) or pregnancy proven data on interrogations * Patient on protection of the court, under supervision or trusteeship * Inability to express a consent * Patients already enrolled in a study with a conflict of interest with this study.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Hospices Civils de Lyon- hôpital Edouard Herriot- service de radiologie pavillon B
Lyon, 69003, France