Osteoporosis International

, Volume 23, Issue 3, pp 1171–1176 | Cite as

Serum sclerostin levels positively correlate with lumbar spinal bone mineral density in postmenopausal women—the six-month effect of risedronate and teriparatide

  • S. A. Polyzos
  • A. D. Anastasilakis
  • C. Bratengeier
  • W. Woloszczuk
  • A. Papatheodorou
  • E. Terpos
Short Communication

Abstract

Summary

Sclerostin is expressed by osteocytes and inhibits bone formation by osteoblasts. In this study, serum sclerostin was positively correlated with either lumbar spinal bone mineral density or T-score. Furthermore, serum sclerostin was increased after 6 months treatment with risedronate, whereas remained unchanged after 6 months teriparatide treatment.

Introduction

The primary aim of this study was the evaluation of serum sclerostin levels in postmenopausal women and their association with bone mineral density (BMD) and bone turnover markers. The secondary aim was the evaluation of treatment with either teriparatide (TPTD) or risedronate (RIS) on serum sclerostin levels in women with postmenopausal osteoporosis.

Methods

Women with postmenopausal osteoporosis, assigned to receive either TPTD (TPTD group, n = 13) or RIS (RIS group, n = 36) for 6 months, and non-osteoporotic early postmenopausal women (NOEP group, n = 13) were recruited. Main outcome measure was serum sclerostin levels.

Results

Serum sclerostin was higher in the NOEP group at baseline compared with either TPTD group (p = 0.007) or RIS group (p = 0.049). Sclerostin was positively correlated with both lumbar spinal (LS) BMD (r = 0.353; p = 0.005) and T-score (r = 0.501; p < 0.001) and negatively correlated with intact parathyroid hormone (r = −0.343; p = 0.024) at baseline. Multiple regression analysis showed that either LS BMD (Beta = 0.653; p = 0.018) or T-score (Beta = 0.711; p = 0.005) were independent predictors of serum sclerostin levels. No significant correlation was observed between serum sclerostin and bone turnover markers or estradiol at baseline. Sclerostin was significantly increased 6 months post-treatment in RIS group (p = 0.002), whereas remained statistically unaffected in the TPTD group.

Conclusions

Serum sclerostin is decreased in women with postmenopausal osteoporosis compared with non-osteoporotic early postmenopausal women and is positively correlated to either LS BMD or LS T-score. Furthermore, serum sclerostin was increased after 6 months treatment with RIS, whereas remained essentially unchanged after 6 months TPTD treatment.

Keywords

Bisphosphonate Bone mineral density Dickoppf-1 Risedronate Sclerostin Teriparatide 

Notes

Conflicts of interest

None.

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Copyright information

© International Osteoporosis Foundation and National Osteoporosis Foundation 2010

Authors and Affiliations

  • S. A. Polyzos
    • 1
  • A. D. Anastasilakis
    • 2
  • C. Bratengeier
    • 3
  • W. Woloszczuk
    • 4
  • A. Papatheodorou
    • 5
  • E. Terpos
    • 6
  1. 1.Second Medical Clinic, Medical SchoolAristotle University of Thessaloniki, Ippokration HospitalThessalonikiGreece
  2. 2.Department of Endocrinology424 General Military HospitalThessalonikiGreece
  3. 3.Biomarker Design Forschungs GmbHViennaAustria
  4. 4.Biomedica Medizinprodukte GmbH & Co KGViennaAustria
  5. 5.Department of Medical Research251 General Airforce HospitalAthensGreece
  6. 6.Department of Clinical Therapeutics, School of MedicineUniversity of AthensAthensGreece

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