Role of bone markers in monitoring the therapeutic effect of bisphosphonates in postmenopausal osteoporosis

Selma Agić-Bilalagić, Amela Begić, Šejla Cerić, Elma Kučukalić-Selimović

Abstract


Objective: Aim of the study was to detect values of bone markers
as a way to reflect response to therapy in osteoporosis .
Materials and methods: The study involved data of 73 female
patients suffering from postmenopausal osteoporosis that were
treated with bisphosphonates in the period of twelve months.
Values of osteocalcin, P1NP and β-Cross Laps were measured
before starting therapy, six months and twelve months after the
start of therapy. Bone mass density (BMD) was measured with
densitometry before therapy and twelve months after the start
of therapy. Values of bone markers were determined by in vitro
quantitative determination in human serum and plasma. Data
base was configured in Microsoft Office Excel 2010. Statistical
analysis was done by IBM SPSS Statistics v. 21.0 for Windows
programme. Data was represented in table and graph form with
help of classic methods of descriptive statistics.
Results: Results in this study have showed significant reduction
in serum values of bone formation markers (osteocalcin, P1NP)
and also bone resorption markers (β-cross laps) after inducing
bisphosphonate therapy in patients with postmenopausal osteoporosis
during a period of 12 months.Results have also showed
significant increase in bone mass density respectively increase
in vertebral T-score values and also increase in femoral T-score
values.
Conclusion: dinamics of bone markers significantly reflects
therapeutic effect of bisphosphonate therapy in postmenopausal
osteoporosis.
Keywords: osteoporosis, therapy, bisphosphonates, P1NP, osteocalcin,
β-Cross Laps


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