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The MOVEMENT study was designed to assess the effectiveness of monthly intravenous ibandronate on bone mineral density (BMD) in daily clinical practice in Japanese patients with primary osteoporosis whose lumbar spine BMD did not increase despite oral bisphosphonate therapy. This study was a multicenter, prospective, interventional study (52 sites; August 2015 to March 2018). Patients aged ≥ 50 years with primary osteoporosis, evaluated as low responders to oral bisphosphonate treatment for 1-3 years, continued on their existing oral bisphosphonate or switched to monthly intravenous ibandronate (1 mg) for 12 months. The primary endpoint was change in lumbar spine BMD from baseline to 12 months in the intravenous ibandronate group (IV IBN). A total of 240 and 141 patients were enrolled in the IV IBN and oral bisphosphonate groups (OBP), respectively. At 12 months, a significant increase in mean percent change from baseline in lumbar spine BMD was observed in the IV IBN (2.70%). This change was also significant at 6 months (1.92%). Similarly, the change in total hip BMD showed a significant increase at 12 months (0.78%). In the IV IBN, the responder rate, percentage of patient whose change from baseline of lumbar spine BMD has greater than 0%, for lumbar spine BMD was high at both 6 (72.3%, 141/195 patients) and 12 (78.0%, 145/186 patients) months. No new safety concerns were observed in either treatment group. Treatment with intravenous ibandronate significantly increased lumbar spine BMD without any new safety concerns in Japanese patients with osteoporosis who showed low response to existing oral bisphosphonates.

In the original publication of the article, the Figures 2 and 3 were published incorrectly. The corrected figures are given below.