Impact of long-term cinacalcet, ibandronate or teriparatide therapy on bone mineral density of hemodialysis patients: a pilot study.

Abstract:

BACKGROUND:Insufficient evidenced-based information is available for the treatment of osteoporosis in hemodialysis (HD) patients. METHODS:In 102 HD patients, bone mineral density (BMD) was measured twice 16 ± 3 months apart. In the second BMD measurement 66 of them had a femoral neck (FN) T-score <-2.5. Of these 66 patients, 38 consented to a bone biopsy. Depending on both the bone biopsy findings and parathyroid hormone levels, patients were assigned to treatment groups. Eleven patients with osteitis fibrosa and iPTH >300 pg/ml received cinacalcet, 11 with osteitis fibrosa and iPTH <300 pg/ml received ibandronate, 9 with adynamic bone disease received teriparatide, and 7 with mild abnormalities received no treatment. A third BMD measurement was done after an average treatment period of 13-16 months. We compared the annual percent change of FN and lumbar spine (LS) BMD before and during treatment. RESULTS:FN and LS BMD decreased significantly in the cinacalcet group, with an annual change of 3.6 and 3.4% before treatment to -4.2% (p = 0.04) and -7.7% (p = 0.02) during treatment, respectively. In the teriparatide group, FN and LS BMD increased, although not significantly, with an annual change of -5.4 and -2.6% before treatment to 2.7 and 4.9% during treatment, respectively. In both the ibandronate and the no treatment groups, BMD change rate remained negative during the whole study. CONCLUSIONS:Teriparatide administration improved BMD in HD patients with adynamic bone disease, although these results did not reach statistical significance. In HD patients with osteitis fibrosa, ibandronate did not improve BMD while cinacalcet reduced BMD.

journal_name

Am J Nephrol

authors

Mitsopoulos E,Ginikopoulou E,Economidou D,Zanos S,Pateinakis P,Minasidis E,Memmos D,Thodis E,Vargemezis V,Tsakiris D

doi

10.1159/000341864

subject

Has Abstract

pub_date

2012-01-01 00:00:00

pages

238-44

issue

3

eissn

0250-8095

issn

1421-9670

pii

000341864

journal_volume

36

pub_type

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