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The bone mass benefits of antiresorbers in postmenopausal osteoporosis are limited by the rapid coupling of decreasing bone resorption with bone formation. Wnt signaling is involved in this coupling process during treatment with bisphosphonates, whereas its role during treatment with the anti-receptor activator of NF-κB ligand (RANKL) antibody denosumab is(More)
Patients with ankylosing spondylitis (AS) have an increased risk of bone loss and vertebral fractures. In this study, we explored the hypothesis that the excess bone loss and vertebral fractures might be related with the activity of the Wingless signaling pathway, and in particular with the serum levels of its circulating inhibitors, Sclerostin and(More)
OBJECTIVES The objective of this study is to compare the serum levels of Dickkopf-1 (DKK1), a natural inhibitor of Wnt signalling, with parathyroid hormone (PTH) and bone involvement in patients with rheumatoid arthritis (RA). METHODS This cross-sectional study includes 154 postmenopausal women with RA and 125 healthy controls. DKK1, 25OH vitamin D(More)
Osteogenesis imperfecta (OI) is a hereditary disease characterized by low bone mass, increased bone fragility, short stature, and skeletal deformities. This study focuses on OI type I, the mildest form of the disease. Bisphosphonates represent the prevailing standard of care in patients with OI. Teriparatide (TPD) is a PTH analog with bone-anabolic actions(More)
OBJECTIVE The objective of this study was to evaluate if the anti-inflammatory properties of bisphosphonates and their effect on bone turnover could be useful in the treatment of AS. METHODS Sixty patients were consecutively assigned in a 1:1 ratio in a 6-month open-label, single-centre study on active AS to receive monthly i.v. neridronate (100 mg) or(More)
We investigated the short-term effects on bone turnover markers of high doses of vitamin D3 in order to identify what initial therapeutic dose can be safely administered in vitamin D-deficient subjects. Thirty-seven elderly subjects [mean age 75 ± 3 (SD) years] were consecutively randomized to the administration of a single oral bolus of 600000, 300000, or(More)
OBJECTIVES To assess the effects of intramuscular (im) neridronate (NE) on lumbar and femoral neck BMD and on markers of bone turnover in rheumatic patients under chronic low-dose glucocorticoids (GC) therapy. METHODS Sixty-nine osteopoenic and osteoporotic patients, affected by rheumatic diseases and gastric or esophageal conditions which contraindicated(More)
Aim of this study was to evaluate the efficacy and tolerability of intra-articular (IA) clodronate, compared to saline solution, in patients with symptomatic knee osteoarthritis (KOA). In this double-blind phase 3 randomized clinical trial, patients were randomized to receive once weekly IA injection of 2 mg clodronate or placebo for 4 weeks with 12 weeks(More)
Clodronate (CLO) is a bisphosphonate (BP) with proved efficacy in the treatment of osteoporosis. The reason of its activity is the anti-resorptive action, which is a common characteristic of BPs. Contrary to other BPs, CLO has a relatively low affinity for bone and a peculiar mechanism of action. CLO is effective in several diseases associated to excessive(More)
Objective. The objective of this study was to evaluate if the anti-inflammatory properties of bisphosphonates and their effect on bone turnover could be useful in the treatment of AS. Methods. Sixty patients were consecutively assigned in a 1:1 ratio in a 6-month open-label, single-centre study on active AS to receive monthly i.v. neridronate (100 mg) or(More)