Normative Database for HR-pQCT-Based Radius & Tibia Strength

Status Recruiting

Clinical Trial Summary

A novel methodology was recently developed and validated by the applicants to compute bone strength at the distal radius and tibia using second-generation HR-pQCT reconstructions. The methodology is expected to improve significantly the assessment of bone fracture risk in idiopathic and secondary osteoporosis, but no reference data and no reproducibility data are available.

The objective of the study is the determination of the sex- and age-specific distributions of accurate distal radius and tibia strength assessed by HR-pQCT in the Swiss population.

Clinical Trial Description

Objective: De novo determination of sex- and age-specific reference intervals for vBMD, bone architecture, and bone strength assessed by 3D HR-pQCT with a resolution of 61 µm (Xtreme CT II, Scanco Medical, Brütisellen, Switzerland) in the Swiss population.

Design: Population-based, age- and sex-stratified, cross-sectional study in a single centre.

Study Size: For the main part, 480 valid data sets will be needed for two age reference intervals for both women and men. The number of double/triple stack scans will be between 1 and 3 depending on graded motion artefacts.

Among the 120 participants of each reference interval, 21 will be needed to assess reproducibility. For these volunteers, the number of double/triple stack scans will be equal to 3.

Project Assessments, Procedures: participant demographics and physical activity will be obtained and the validated Swiss FRAX questionnaire will be filled to determine the epidemiology-based 10-year fracture risk. Grip strength will be measured. A DXA measurement at the hip will be done according to the standard protocol of the Universitätspoliklinik für Osteoporose. For participants at elevated vertebral fracture risk, lateral and antero-posterior DXA of the spine will be added for vertebral fracture assessment (VFA) and spine areal bone mineral density (aBMD). The HR-pQCT examination per se consists then of up to 3 repeated double stack scans at the distal radius and triple stack scans at the distal tibia. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03219099
Study type	Observational
Source	University Hospital Inselspital, Berne
Contact	Kurt Lippuner, M.D.
Phone	+41 31 632 31 28
Email	kurt.lippuner@insel.ch
Status	Recruiting
Phase
Start date	June 14, 2018
Completion date	May 2020

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Normative Database for HR-pQCT-Based Radius and Tibia Strength — NODARATIS

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms