title: The safety and effectiveness profile of eldecalcitol in a prospective, post-marketing observational study in Japanese patients with osteoporosis: interim report.
abstract: This large-scale post-marketing surveillance study was conducted to assess the safety and effectiveness of eldecalcitol treatment in patients with osteoporosis in a Japanese clinical setting. A total of 3567 patients with osteoporosis were enrolled and received eldecalcitol 0.75 μg/day for 12 months. For this interim report, 3285 patients were eligible for analysis. Mean age was 74.9 ± 8.7 years; 86.8 % (2854/3285) were women. There were 142 reported adverse drug reactions (ADRs) in 129 patients (3.92 % of the total 3285 patients): the most common were hypercalcemia and increased blood calcium (0.88 %), renal impairment (0.27 %), abdominal discomfort (0.24 %), constipation (0.24 %), and pruritus (0.24 %). The incidence of ADRs was 5.10 % in men and 3.74 % in women. Although 10 serious ADRs were reported in 9 patients (0.27 %), no clinically significant safety issues were identified. Incidence of hypercalcemia or increased blood calcium was 8.47 % in patients with renal impairment and only 0.74 % in patients without renal impairment. At last observation, the incidence of new vertebral and nonvertebral fractures was 2.44 % and 1.70 %, respectively. There was a significant increase in bone mineral density at the lumbar spine and distal radius. The bone turnover markers BAP, serum NTX, urinary NTX, and TRACP-5b were suppressed by eldecalcitol treatment in both sexes. In conclusion, consistent with the findings of the phase III pivotal clinical trial, eldecalcitol was shown to have a favorable safety profile and effectiveness in Japanese patients with osteoporosis. However, periodic measurements of serum calcium were required to prevent occurrence of hypercalcemia during eldecalcitol treatment, especially in patients with renal impairment.
authors.affiliation: Medical Affairs Division, Medical Science Department, Chugai Pharmaceutical Co., Ltd, 2-1-1 Nihonbashi-Muromachi, Chuo-ku, Tokyo, 103-8324, Japan. saitohts@chugai-pharm.co.jp.
authors.forename: Hitoshi
authors.initials: H
authors.lastname: Saito
authors.affiliation: Medical Affairs Division, Medical Science Department, Chugai Pharmaceutical Co., Ltd, 2-1-1 Nihonbashi-Muromachi, Chuo-ku, Tokyo, 103-8324, Japan.
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Kakihata
authors.affiliation: Medical Affairs Division, Medical Science Department, Chugai Pharmaceutical Co., Ltd, 2-1-1 Nihonbashi-Muromachi, Chuo-ku, Tokyo, 103-8324, Japan.
authors.forename: Yosuke
authors.initials: Y
authors.lastname: Nishida
authors.affiliation: Medical Affairs Division, Medical Science Department, Chugai Pharmaceutical Co., Ltd, 2-1-1 Nihonbashi-Muromachi, Chuo-ku, Tokyo, 103-8324, Japan.
authors.forename: Sawako
authors.initials: S
authors.lastname: Yatomi
authors.affiliation: Medical Affairs Division, Medical Science Department, Chugai Pharmaceutical Co., Ltd, 2-1-1 Nihonbashi-Muromachi, Chuo-ku, Tokyo, 103-8324, Japan.
authors.forename: Shigeru
authors.initials: S
authors.lastname: Nihojima
authors.affiliation: Taisho Toyama Pharmaceutical Co., Ltd, 3-25-1 Takada, Toshima-ku, Tokyo, 170-8635, Japan.
authors.forename: Yumiko
authors.initials: Y
authors.lastname: Kobayashi
authors.affiliation: Medical Affairs Division, Medical Science Department, Chugai Pharmaceutical Co., Ltd, 2-1-1 Nihonbashi-Muromachi, Chuo-ku, Tokyo, 103-8324, Japan.
authors.forename: Hidehiro
authors.initials: H
authors.lastname: Tabata
authors.affiliation: Medical Affairs Division, Medical Science Department, Chugai Pharmaceutical Co., Ltd, 2-1-1 Nihonbashi-Muromachi, Chuo-ku, Tokyo, 103-8324, Japan.
authors.forename: Makoto
authors.initials: M
authors.lastname: Nomura
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D015415:Biomarkers / Q000378:metabolism; D015519:Bone Density / Q000187:drug effects; D050071:Bone Density Conservation Agents / Q000009:adverse effects / Q000627:therapeutic use; D016723:Bone Remodeling / Q000187:drug effects; D005260:Female; D050723:Fractures, Bone / Q000188:drug therapy / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D008297:Male; D040541:Marketing; D008875:Middle Aged; D010024:Osteoporosis / Q000188:drug therapy* / Q000503:physiopathology; D011446:Prospective Studies; D058028:Research Report; D000071681:Tartrate-Resistant Acid Phosphatase / Q000378:metabolism; D016896:Treatment Outcome; D014807:Vitamin D / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000627:therapeutic use
chemical_list: D015415:Biomarkers; D050071:Bone Density Conservation Agents; D014807:Vitamin D; D000071681:Tartrate-Resistant Acid Phosphatase; C547512:eldecalcitol
keywords: Adverse drug reactions; Bone mineral density; Eldecalcitol; Osteoporosis; Post-marketing surveillance