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Association Between Serum Periostin Levels and Cortical Porosity in Patients With Secondary Hyperparathyroidism

NCT02524041 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 22

Last updated 2016-05-25

No results posted yet for this study

Summary

Based on the evidence that periostin is specifically involved in intra-cortical remodeling control, our working hypothesis is that assessment of its concentration in the serum would be helpful in identifying patients with severe cortical porosity, a critical parameter in bone fragility. Periostin expression by osteoblasts and osteocytes is part of the bone cortical response to anabolic stimuli such as mechanical strain or intermittent increase in parathyroid hormone. However, it remains unknown whether this expression may participate as well to mechanisms that will lead to exaggerated intra-cortical remodeling and subsequent bone loss.

In rare clinical situations in which trans-iliac bone biopsies will be necessary to better understand their bone status in addition to densitometry and biological bone markers assessment, specific analyses using immune-staining techniques will be performed on the bone sample. Data from routine follow-up every six months will be also collected in this specific sub-group.

High resolution peripheral quantitative computerized tomography (HR-pQCT) gives the opportunity of performing a virtual bone biopsy providing information on trabecular and cortical microarchitecture in vivo. These microarchitectural parameters allow a more accurate evaluation of the alteration of the bone structure and therefore of the fracture risk as compared to current tools used in clinical practice such as densitometry. However, the availability of such HRpQCT facilities is limited and there is on-going development on the best way of measuring porosity for example. The definition of a biological profile including key proteins such as periostin and sclerostin involved in porosity mechanisms is therefore of great interest. A better understanding of the relationship between bone matrix components and parathyroid hormone effects also appears as critical. Follow-up of routine evaluation parameters reflecting bone status in a subgroup of specific patients could also provide new and additional information.

Conditions

  • Hyperparathyroidism

Interventions

DEVICE

HR-pQCT

The Xtrem CT scanco device is a HR-pQCT used for 3D bone measurements at the tibia and the radius levels in humans

OTHER

blood specimen

blood specimen

Sponsors & Collaborators

  • University Hospital, Geneva

    collaborator OTHER

  • Centre Hospitalier Universitaire de Saint Etienne

    lead OTHER

Principal Investigators

  • Thierry THOMAS, MD PhD · CHU de SAINT-ETIENNE

Study Design

Allocation
NA
Purpose
BASIC_SCIENCE
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2014-03-31
Primary Completion
2016-04-30
Completion
2016-04-30

Countries

  • France

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02524041 on ClinicalTrials.gov