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J Rheumatol. 1996 Nov;23(11):1875-9.

Is continuous intranasal salmon calcitonin effective in treating axial bone loss in patients with active rheumatoid arthritis receiving low dose glucocorticoid therapy?

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  • 1Rheumatism Foundation Hospital, Heinola, Finland.

Abstract

OBJECTIVE:

To investigate the efficacy of intranasal salmon calcitonin (sCT) in treating axial bone loss in patients with rheumatoid arthritis (RA) taking low dose glucocorticoids.

METHODS:

In this open, multicenter study 32 women with RA were treated one year with sCT 100 IU/day and calcium (Ca) 500 mg/day; 31 women were treated with Ca alone. Bone mineral density (BMD) was measured at the lumbar spine and proximal femur (femoral neck, Ward's triangle, trochanter) before sCT therapy and again after 6 and 12 months.

RESULTS:

Among valid completers treated with sCT and Ca (n = 26), the mean BMD increased at the lumbar spine (L1-L4), femoral neck, and Ward's triangle. In contrast, valid completers treated with Ca (n = 23) showed bone loss at the spine (L1-L4), femoral neck, Ward's triangle, and trochanter area. The differences of the changes in BMD were statistically significant between these groups at the femoral neck, Ward's triangle, and trochanter. There were no significant differences between groups in bone loss over 12 months at the lumbar spine (L1-L4), although analysis of the upper segment (L1-L2) suggested some possible benefit of sCT.

CONCLUSION:

Intranasal sCT (100 IU/day) appears to have beneficial effects on bone loss at the proximal femur in patients with active RA treated with low dose glucocorticoids for 12 months; longer studies are needed to exclude transient bone remodelling effects.

PMID:
8923359
[PubMed - indexed for MEDLINE]
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