Archives of Osteoporosis

, 13:2 | Cite as

The QUALYOR (QUalité Osseuse LYon Orléans) study: a new cohort for non invasive evaluation of bone quality in postmenopausal osteoporosis. Rationale and study design

  • Roland ChapurlatEmail author
  • Jean-Baptiste Pialat
  • Blandine Merle
  • Elisabeth Confavreux
  • Florence Duvert
  • Elisabeth Fontanges
  • Farida Khacef
  • Sylvie Loiseau Peres
  • Anne-Marie Schott
  • Eric Lespessailles
Original Article



The diagnostic performance of densitometry is inadequate. New techniques of non-invasive evaluation of bone quality may improve fracture risk prediction. Testing the value of these techniques is the goal of the QUALYOR cohort.


The bone mineral density (BMD) of postmenopausal women who sustain osteoporotic fracture is generally above the World Health Organization definition for osteoporosis. Therefore, new approaches to improve the detection of women at high risk for fracture are warranted.


We have designed and recruited a new cohort to assess the predictive value of several techniques to assess bone quality, including high-resolution peripheral quantitative computerized tomography (HRpQCT), hip QCT, calcaneus texture analysis, and biochemical markers. We have enrolled 1575 postmenopausal women, aged at least 50, with an areal BMD femoral neck or lumbar spine T-score between − 1.0 and − 3.0. Clinical risk factors for fracture have been collected along with serum and blood samples.


We describe the design of the QUALYOR study. Among these 1575 women, 80% were aged at least 60. The mean femoral neck T-score was − 1.6 and the mean lumbar spine T-score was −1.2. This cohort is currently being followed up.


QUALYOR will provide important information on the relationship between bone quality variables and fracture risk in women with moderately decreased BMD.


Osteoporosis Fracture Osteopenia Microarchitecture 


Compliance with ethical standards

Approval of the conduct of the QUALYOR study was obtained from the Ethics Committee (CPP Sud-Est IV) and written informed consent was obtained from all study women, including a specific consent for DNA testing as required by French law. The study has been registered at under the # NCT01150032.

Conflict of interest



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Copyright information

© International Osteoporosis Foundation and National Osteoporosis Foundation 2017

Authors and Affiliations

  • Roland Chapurlat
    • 1
    Email author
  • Jean-Baptiste Pialat
    • 1
  • Blandine Merle
    • 1
  • Elisabeth Confavreux
    • 1
  • Florence Duvert
    • 1
  • Elisabeth Fontanges
    • 1
  • Farida Khacef
    • 2
  • Sylvie Loiseau Peres
    • 2
  • Anne-Marie Schott
    • 3
    • 4
  • Eric Lespessailles
    • 2
    • 3
  1. 1.INSERM UMR 1033, Université de LyonLyon cedex 03France
  2. 2.Hopital d’OrleansOrléans Cedex 2France
  3. 3.EA 4708-I3MTOUniversité d’OrléansOrléansFrance
  4. 4.EA 7425 HESPERUniversité de LyonLyonFrance

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