Osteoporos Sarcopenia.  2022 Jun;8(2):75-79. 10.1016/j.afos.2022.05.001.

Two-year effectiveness of zoledronic acid with or without eldecalcitol in Japanese patients with osteoporosis: A randomized prospective study

Affiliations
  • 1Department of Orthopedic Surgery, Kamagaya General Hospital, Chiba, Japan
  • 2Department of Orthopedic Surgery, Tokyo Women's Medical University, Tokyo, Japan
  • 3Division of Multidisciplinary Management of Rheumatic Diseases, Tokyo Women's Medical University, Tokyo, Japan

Abstract


Objectives
This study aims to examine the 2-year outcomes of zoledronic acid (ZOL) with or without eldecalcitol (ELD) on bone mineral density (BMD) and fracture in Japanese patients with osteoporosis.
Methods
The subjects were 98 patients who were randomly (1:1) assigned to treatment with ZOL combined with ELD (ZOL + ELD group; n = 51) and ZOL alone (ZOL group; n = 47). Treatment efficacy was examined based on a comparison of changes in BMD from baseline (DBMD) in the lumbar spine, total hip, and femoral neck in the 2 groups.
Results
The percent change from baseline in BMD values for the lumbar spine, total hip, and femoral neck at 24 months were 10.8% ± 6.1%, 6.0% ± 6.6%, and 5.1% ± 5.1%, respectively, in the ZOL + ELD group, and 7.7% ± 6.2%, 5.1% ± 5.6%, and 2.9% ± 8.3%, respectively, in the ZOL group. The percent change from baseline BMD for the lumbar spine at 24 months differed significantly between the 2 groups.
Conclusions
The effect of a combination of ZOL + ELD on BMD for 24 months was more favorable than that of ZOL alone. This drug combination is promising for the treatment of drug-naïve Japanese patients with primary osteoporosis.

Keyword

Bone mineral density; Eldecalcitol; Osteoporosis; Zoledronic acid
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