- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03162068
Cushing's Osteoporosis Specificities (SOCS)
Specificities of Cushing's Osteoporosis Compare to Postmenopausal Osteoporosis : pQCT Analysis in Comparison With a Group of Controls.
Osteoporosis induced by glucocorticoids excess constitutes the main cause of secondary osteoporosis. Most of data available are provided from cohort studies of patients treated by corticosteroids, affecting among 1% of population. In contrast, very few data on osteoporosis are available in the Cushing syndrome (CS), a rare disease affecting 1 or 2 million of inhabitants, and characterized by an endogen glucocorticoid excess production. This affection is responsable of frequent fractures, occuring in 30-60% of patients (vertebral asymptomatic in 50% of case, hip, ribs). Fractures occurs often frequently above the threshold usually used for osteoporosis (T-score<-2.5), most often in the range of osteopenia. These data suggest that surface bone density isn't sufficient to characterize bone fragility, architectural factors are probably involved, and should be evaluated. The specificity of osteoporosis induced by endogen glucocorticoids excess in comparison with osteoporosis induced by estrogenic deficiency in post-menopausal women is poorly known, especially in endogen glucocorticoid excess.
A recent microarchitecture studies showed alterations of cortical compartment in patients with Cushing's syndrome, confirming by our preliminary preclinical data from a transgenic murin model of Cushing's syndrome.
In these ten last years, new radiologic tools have been developped, and are able to evaluate bone architecture. The peripheral Quantitative Computed analyses the bone architecture with distinction between cortical and trabecular compartment.
Therefore, we aim to determine the specificity of osteoporosis induced by glucocorticoids excess in comparison to post menopausal osteoporosis thanks to pQCT analysis.
Study Overview
Status
Intervention / Treatment
Detailed Description
This study are divided in two parts :
- Cross sectional cohort with both comparison between : Cushing syndrome versus control and cushing syndrome versus post-menopausal women
Outcomes :
Primary outcomes : Analysis thanks to pQCT will be carried out in order to compare radius and tibia bone mineral volume (total, trabecular and cortical)
Secondary outcomes :
Strength parameters, muscle area adipose tissue surface will be assessed. Analysis of body composition thanks to DXA (Dual Energy X ray Absorptiometry), and surface bone mineral density.
Evaluation of Vertebral Fracture Assesment
- Prospective cohort with a longitudinal follow up on 5 years to assess the evolution of osteoporosis after treatment of Cushing syndrome (surgery or medical treatment).
CS patients are recruited during hospitalisation in endocrinology service Post-menopausal women are recruited within rheumatology service. Cases are recruited thanks to advertisement within CHU.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Marie BATISSE-LIGNIER
- Phone Number: 04 73 75 15 29
- Email: mbatisse@chu-clermontferrand.fr
Study Locations
-
-
Auvergne
-
Clermont-Ferrand, Auvergne, France, 63003
- Recruiting
- CHU Clermont-Ferrand
-
Contact:
- Marie BATISSE-LIGNIER
- Phone Number: 04 73 75 15 29
- Email: mbatisse@chu-clermontferrand.fr
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Cushing syndrome group (CS): both Menopausal women Control: both
Control = 24 Post menopausal women = 24 Cushing'syndrome group : n = 12
Description
Inclusion Criteria:
Cases
- Healthy Volunteers
- Men and women> 18 years
- No known chronic treatment or pathology
- Absence of tobacco or alcohol
- Normal bone mineral density for age (Z-score> -2 and T-score> -2.5) and markers of bone remodeling in normal values for age and menopausal status (osteocalcin, CTX)
- Free 24-hour urinary cortisol (CLU / 24 h) normal Cushing matching by menopausal status, age group, BMI, sex
Postmenopausal women
- Menopause confirmed by hormonal assays
- Amenorrhea for more than one year
- Free 24-hour urinary cortisol (CLU / 24 h) normal
- Osteoporosis confirmed at DXA (T score ≤ -2.5 DS) Post menopausal women matching according to BMI, T-DXA score (T score ≤ -2.5 DS)
Cushing's syndrome
- Endogenous hypercorticism, whatever the cause (dependent or independent ACTH)
- Active or controlled for less than 5 years
Exclusion Criteria:
Diseases with bone resonance:
- Disease that can affect phosphocalcium metabolism or promote bone loss: endocrine diseases (hyperparathyroidism, hyperthyroidism); Osteomalacia, malabsorptive intestinal or inflammatory or chronic liver diseases, chronic inflammatory rheumatism.
- Heavy comorbidities: heart failure or chronic respiratory insufficiency, known severe renal insufficiency.
Treatments:
- Anti-osteoporotic treatments (bisphosphonates, raloxifene, denosumab)
- Teriparatide; Lithium, thiazide diuretic, treatment with levothyrox suppressive dose, hormone replacement therapy of menopause, anticonvulsants, corticotherapy in progress or in the previous 5 years, anti-aromatases, anti-androgenic
Other:
- Minors, pregnant women
- Patients unable to express their will (sub-tutelage, curators, dementia).
- Lack of social security
- Lack of follow-up
- Excessive consumption of alcohol
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Control group
Cases are recruited thanks to advertisement within CHU.
|
The peripheral Quantitative Computed analyses the bone architecture with distinction between cortical and trabecular compartment.
We aim to determine the specificity of osteoporosis induced by glucocorticoids excess in comparison to post menopausal osteoporosis thanks to pQCT analysis.
|
Post menopausal women
Post-menopausal women are recruited within rheumatology service.
|
The peripheral Quantitative Computed analyses the bone architecture with distinction between cortical and trabecular compartment.
We aim to determine the specificity of osteoporosis induced by glucocorticoids excess in comparison to post menopausal osteoporosis thanks to pQCT analysis.
|
Cushing' syndrome group
Cushing' syndrome patients are recruited during hospitalisation in endocrinology service
|
The peripheral Quantitative Computed analyses the bone architecture with distinction between cortical and trabecular compartment.
We aim to determine the specificity of osteoporosis induced by glucocorticoids excess in comparison to post menopausal osteoporosis thanks to pQCT analysis.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Comparison of volumetric bone mineral density
Time Frame: at day 1
|
thanks to pQCT with evaluation of total, trabecular and cortical compartment, between patients affecting by cushing'syndrome and post-menopausal women
|
at day 1
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Assessment of strength bone of radius and tibia of the non-dominant limb
Time Frame: at day 1
|
comparison Cushing syndrome versus both menopause women and controls : pQCT analysis
|
at day 1
|
Assessment of trabecular and cortical compartment
Time Frame: at day 1
|
comparison Cushing syndrome versus both menopause women and controls : pQCT analysis
|
at day 1
|
Comparison of muscle area and surface, adipose tissue
Time Frame: at day 1
|
comparison Cushing syndrome versus both menopause women and controls : pQCT analysis
|
at day 1
|
Collaborators and Investigators
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- CHU-334
- 2016-A01482-49 (Other Identifier: 2016-A01482-49)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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