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Bone Metabolism (C-BM)

Membership

Name Position Country Term Time in Office
E. Cavalier Chair BE 1st  2019 01 - 2021 12
H.P. Bhattoa Member  HU 1st 2019 02 - 2021 12
A. Heijboer Member  NL 1st 2019 02 - 2021 12
C. Ulmer Member  US 1st 2019 02 - 2021 12
S. Vasikaran Member  AU 1st  2019 02 - 2021 12
C. Sempos Consultant  US    
H. Vesper Consultant  US    

 

 

As of January 2019 the IFCC has recently created a Committee on “Bone Metabolism (C-BM)”, formed by the joining of the already existing Working Groups:
- Standardization of Bone Markers Assays (WG-BMA) in collaboration with IOF
- Parathyroid Hormone (WG-PTH)
- Vitamin D Standardization Program (WG-Vit D)

The Terms of Reference

  • Standardize PTH assays
  • Standardize or harmonize bone markers assays
  • Standardize vitamin D metabolites assays

Current Projects   

 

1. PTH assays

  • Create liaison with International Endocrinological, Rheumatological and Nephological organizations
  • Define the measurand (what we need to measure for all clinical situations)
  • Develop a reference measurement procedure for PTH(1-84) and moieties of clinical interest
  • Evaluate the commutability of PTH International standard PTH 95/646 and the need to create primary reference material
  • Replicate the RMP in a second lab and create a network of 3-4 reference labs
  • Create an accuracy-based external quality assessment scheme
  • Constitute an appropriate and international panel of sera and plasma to establish PTH reference intervals
  • Specify performance criteria for RMP and routine methods
  • Provide services to manufacturers, notably by providing a reliable source for primary reference materials
  • Post-survey of the standardization effects

 

2. Bone markers assays 

  • Continue the liaison with IOF and extend to other relevant international societies

        Current CTX and PINP project:

  • complete the multicenter study and harmonize CTX and PINP assays
  • Collaborate with EQAS provider(s) to improve the surveys
  • Constitute an appropriate and international panel of sera and plasma to establish CTX and PINP reference intervals
  • Post-survey of the standardization/harmonization effects.

        Future projects:

  • Select biomarkers to be standardized/harmonized (g.: bone alkaline phosphatase, FGF-23, sclerostin).

 

3. Vitamin D metabolites

  • Re-evaluate current VDSP performance guidelines for 25(OH)D
  • Establish VDSP performance guidelines for 24,25(OH)2D, C3-epimer and vitamin D binding protein
  • Post-survey of the standardization effects
  • Propose services to reassess the true value of 25OHD obtained in former epidemiological or interventional studies that had used non-standardized methods

  

List of Corresponding Members, nominated by National Societies 

Name Full and Affiliate Member Societies
JP. Cristol Société Française de Biologie Clinique (SFBC)
G. Lombardi Italian Society of Clinical Chemistry and Clinical Molecular Biology (SIBioC)
G. Zemtsovskaja  Estonian Society for Laboratory Medicine
M. Miura  Japan Society of Clinical Chemistry (JSCC)

 

List of Corresponding Members, nominated by Corporate Members

Name Corporate Members
C. Vogl ROCHE Diagnostics GmbH
N. Parker SIEMENS Healthcare Diagnostics, Inc.

 

Committee Chair's contact

Prof Etienne Cavalier, PhD, EuSpLM
Head, Department of Clinical Chemistry
University of Liège, CHU de Liège
Route 52, Porte 53
Domaine du Sart-Tilman
B-4000 Liège, Belgium
Tel: +32 4 366 88 22 or 76 92
Fax:+32 4 366 88 23
E-mail: etienne.cavalier@chu.ulg.ac.be

 
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