- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01837589
Quantitative Computed Tomodensitometry in Patients With Cystic Fibrosis (TOMODENS)
Evaluation of the Bone Mineralization by Quantitative Computed Tomodensitometry in Patients With Cystic Fibrosis : Validation Study
Study Overview
Detailed Description
Patients with cystic fibrosis can have a deficit in bone mineralization. This is particularly well described in adults. However, in the pediatric population the results are more heterogeneous. The evaluation is hindered by difficulties in standardization of DXA interpretation.
This measurement depends from the mass and size of the bone as well as the mass of soft tissue covering the bone area. These two characteristics, intrinsic to the measurement, pose a significant problem of interpretations in children because a change in bone density may reflect both a change in bone mineral content or changes related to growth, for example, the increase in bone size or volume of soft tissue covering the bone of interest.
Quantitative computed tomography (QCT) provides a direct measure of bone mineralization densitometry volume. It quantifies bone mineral content in relation to the volume of the bone, in reference to an external phantom. This method therefore overcomes the size size.
This technique can be considered without an additional radiation exposure to patients during a lung CT because it is usual that lumbar vertebrae are included in the measurement window because of pulmonary hyperinflation. This exam would be ideal for patients with Cystic fibrosis.
All patients have these two evaluations during their routine management. This study compare study on the bone mineralization evaluated by (QCT) compared to the reference technique by (DXA) for the patient affected by cystic fibrosis for each patient.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Paris, France, 75014
- Necker Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients affected by cystic fibrosis
- Aged over 5 years
- Patients whose clinical condition warrants an indication of chest CT in relation to the criteria of the french consensus conference on Cystic fibrosis in May 2002 (Palace of the Luxembourg).
- Patients whose clinical condition warrants an indication of DXA examination in accordance with French recommendations (Consensus of the Working Group "bone mineralization and cystic fibrosis" In children, the examination is recommended for ages 8 every 2 years if the Z-score is greater than - 1, every year if the Z-score is less than - 1.. In adults, the exam is recommended every 5 years if the T-score is greater than> - 1, every 2 years if it is between -1 and - 2; annually if less than - 2.)
- Patient does not exhibit a phase of bronchial exacerbation
- Collection of non-opposition of the patient
- Patient affiliated to social security
Exclusion Criteria:
- Patient transplanted
- Patient with an infective exacerbation phase
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Other: QCT and DXA
All the patients will have both QCT and DXA
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Other Names:
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evaluation of the mineralization with DXA(Dual-energy X-ray absorptiometry) as a Zscore of Bone mineral density and the Zscore of QCT (Quantitative computed tomography)
Time Frame: 1 day
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Evaluation of the mineralization with DXA(Dual-energy X-ray absorptiometry) as a Zscore of Bone mineral density(reference population: same sex, same bone age) and the Zscore of QCT (Quantitative computed tomography) (reference population: same sex, same age)
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1 day
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
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Evaluation of the prevalence of osteopenia in children and adult affected by cystic fibrosis.
Time Frame: 1 day
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1 day
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Correlation of bone mineralization with nutritional status (BMI)
Time Frame: 1 day
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1 day
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Correlation of bone mineralization with respiratory status (FEV % predicted)
Time Frame: 1 day
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1 day
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Correlation of bone mineralization with Vitamine D (25(OH)vitD)
Time Frame: 1 day
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1 day
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Correlation of bone mineralization with the amount of total inhaled and oral corticosteroids administered (total number of days of steroids according to diiferent modalities: inhaled, oral IV)
Time Frame: 1 day
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1 day
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Isabelle Sermet-Gaudelus, Professor, Necker Hospital
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- N° ID RCB : 2009-A00292-55
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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The Hospital for Sick ChildrenCanadian Cystic Fibrosis FoundationActive, not recruitingCystic Fibrosis | Cystic Fibrosis Gastrointestinal Disease | Cystic Fibrosis in ChildrenCanada
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Arrowhead PharmaceuticalsTerminatedCystic Fibrosis, PulmonaryAustralia, New Zealand
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AzurRx SASCompletedCystic Fibrosis | Cystic Fibrosis Gastrointestinal Disease | Cystic Fibrosis of PancreasTurkey, Hungary
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University Hospital, BordeauxCompleted
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-
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