- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01771393
Cone-beam vs Multidetector Computed Tomography (CT) for Arthrography of the Wrist, Ankle, Elbow and Knee (ARCOBE)
August 2, 2013 updated by: Hospices Civils de Lyon
Performance of Cone-beam Computed Tomography (CT) Compared to Multidetector CT for Arthrography of the Wrist, Ankle, Elbow and Knee
ConeBeam scanner (CBCT) is a widely technique used for dental and maxillofacial imaging.
Patients can be set up in a sitting or a laying position in the, Newtom 5G CBCT allowing for an analysis of the limbs distal joints.
Our hypothesis is that the cone-beam scanner could detect and characterize chondral lesions the cartilage similarly to a multidetector CT (MDCT).
100 patients over 18 years requiring arthroscanner of the wrist, ankle, elbow or knee will be enrolled The primary endpoint based on the ability of cone-beam scanner to detect cartilage lesions.
Secondary endpoints will concern the depiction of the joint lesions, quality of the images, tolerability of the exams and inter- intra-operator reproducibility.
After arthrography, patients will have a MDCT considered as the reference exam, and a CBCT on a randomized order.
Exams will be anonymized and read twice by two trained radiologists with 3-6 week intervals.
The inter-observer agreement for the diagnosis of cartilage lesion type between the two techniques will be evaluated by a kappa coefficient.
The evaluation of diagnostic performance will be achieved by studying the sensitivity, specificity, negative predictive value and positive predictive value, and its likelihood ratio.
Kappa test will be performed to evaluate the consistency of the depiction of the lesions.
A Student t test will be performed for paired data if distributions are normal, a Wilcoxon test if not.
To assess patient's tolerance, the percentages of (painful, not painful) will be calculated for each technique and will be compared using the Chi2 test (or Fisher's exact test if the chi can not apply).
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
69
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Lyon, France, 69003
- Hospices Civils de Lyon- hôpital Edouard Herriot- service de radiologie pavillon B
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
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.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: CBCT prior to MDCT
To avoid systematic bias in performance or image quality due to dilution of the contrast enhancement within the joint, the order of the CBCT and the MDCT will be randomized.
This arm is composed of patients who will have the CBCT performed prior to the MDCT.
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Cone-beam scanner is performed immediately after arthrography, then multidetector scanner is performed.
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Experimental: MDCT prior to CBCT
To avoid systematic bias in performance or image quality due to dilution of the contrast enhancement within the joint, the order of the CBCT and the MDCT will be randomized.
This arm is composed of patients who will have the MDCT performed prior to the CBCT.
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Multidetector scanner is performed immediately after arthrography, then Cone-beam scanner is performed.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
cartilage damage thickness
Time Frame: participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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0- normal, 1- Linear cartilage tear, 2- focal ulceration of less than 50% of the cartilage thickness, 3-: - focal ulceration of greater than 50% of the cartilage thickness, 4- Full thickness ulceration of the cartilage
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participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
cartilage damage measurements
Time Frame: participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Quantitative assessment of each location of cartilage damage by maximal diameter in two orthogonal planes tangential to the surface
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participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Image quality (for CBCT and MDCT)
Time Frame: participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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0 - Insufficient, 1 - Poor, 2 - Average, 3 - Good, 4 - Excellent
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participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Tolerability of the exam (for CBCT and MDCT)
Time Frame: participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Perfect, tolerable, hardly tolerable, intolerable
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participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Duration of the exam (for CBCT and MDCT)
Time Frame: participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Perfect, tolerable, hardly tolerable, intolerable
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participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Subchondral bone lesion (for CBCT and MDCT)
Time Frame: participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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No subchondral bone lesion, subchondral bone thickening, subchondral cyst <3mm diameter, subchondral cyst 3 to 5 mm diameter, subchondral cyst >5mm diameter
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participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Lesion of intrinsic ligament (for CBCT and MDCT)
Time Frame: participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Yes / No
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participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Osteochondroma (for CBCT and MDCT)
Time Frame: participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Each osteochondroma is located (anterior/posterior Medial/ lateral recess, and diameter is measured.: >3mm, 3 to 5 mm, >5mm
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participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Meniscal lesion (for arthrography CBCT and MDCT of the knee)
Time Frame: participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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No lesion, longitudinal tear, radial tear, complex tear, displaced tear, bucket handle tear
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participants will be followed for the duration of the arthrography CT , an expected average of 2 hours
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Jean-Baptiste PIALAT, MD, Hospices Civils de Lyon- Hôpital Edouard Herriot
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
July 1, 2012
Primary Completion (Actual)
June 1, 2013
Study Completion (Actual)
June 1, 2013
Study Registration Dates
First Submitted
October 18, 2012
First Submitted That Met QC Criteria
January 16, 2013
First Posted (Estimate)
January 18, 2013
Study Record Updates
Last Update Posted (Estimate)
August 5, 2013
Last Update Submitted That Met QC Criteria
August 2, 2013
Last Verified
August 1, 2013
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2012.711
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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