Osteoporos Sarcopenia.  2019 Dec;5(4):122-127. 10.1016/j.afos.2019.11.004.

Effects of monthly minodronate with or without eldecalcitol addition in osteoporosis patients with rheumatoid arthritis: An 18-month prospective study

Affiliations
  • 1Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto, Japan. yxn14@aol.jp
  • 2Department of Human Nutrition, Faculty of Human Nutrition, Tokyo Kasei Gakuin University, Tokyo, Japan.
  • 3Department of Orthopedic Surgery, Showa-Inan General Hospital, Komagane, Japan.

Abstract


OBJECTIVES
Increasing bone mineral density (BMD) to reduce fracture risk is a primary goal of osteoporosis treatment. This prospective, observational study evaluates the effects of monthly minodronate (MIN; 50 mg) with or without eldecalcitol (ELD) addition in osteoporosis patients with rheumatoid arthritis (RA) during 18 months.
METHODS
The cohort was prospectively and randomly split into the MIN monotherapy group (14 cases) and MIN plus ELD group (combination group; 14 cases) due to no reports on the effectiveness and safety of MIN therapy in relation to ELD addition for comparisons of serum tartrate-resistant acid phosphatase (TRACP)-5b, bone alkaline phosphatase (BAP), and BMD of the lumbar 1-4 vertebrae (L-BMD), bilateral total hips (H-BMD; the mean value of the right and left hips), and bilateral femoral necks (FN-BMD) at baseline and at 6, 12, and 18 months of treatment.
RESULTS
Baseline values were comparable between the groups apart from a tendency for higher TRACP5b in the combination group. Seven of 14 patients in the combination group had received previous bisphosphonate treatment. BAP was significantly more reduced in the monotherapy group at 6 months, with no other remarkable differences for TRACP5b, L-BMD, H-BMD, or FN-BMD during the observation period.
CONCLUSIONS
The above findings suggest that regardless of ELD addition, MIN potentially improves BMD during 18 months in osteoporosis patients with RA.

Keyword

Bone mineral density; Eldecalcitol; Minodronate; Osteoporosis; Rheumatoid arthritis
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