Eldecalcitol

别名: Eldecalcitol; ED 71; ED-71; ED71; Edirol; 1,25-dihydroxyvitamin D3; 2-(3-Hydroxypropoxy)calcitriol 1α,25-二羟基-2β-(3-羟基丙氧基)维生素D3;2-(3-羟基丙氧基)-1,25-二羟基维他命 D3;艾地骨化醇;艾尔骨化醇;2-(3-羟基丙氧基)-1,25-二羟基维他命 D3
目录号: V12291 纯度: ≥98%
Eldecalcitol 是日本用于治疗骨质疏松症的药物。
Eldecalcitol CAS号: 104121-92-8
产品类别: VD VDR
产品仅用于科学研究,不针对患者销售
规格 价格 库存 数量
2mg
5mg
10mg
25mg
Other Sizes

Other Forms of Eldecalcitol:

  • Eldecalcitol-d6 (Eldecalcitol d6)
点击了解更多
InvivoChem产品被CNS等顶刊论文引用
纯度/质量控制文件

纯度: ≥98%

产品描述
Eldecalcitol 是日本用于治疗骨质疏松症的药物。它的作用相当于维生素 D 类似物。艾德骨化醇是一种患者口服的药物。它与结合蛋白和维生素 D 受体结合,以提高钙吸收结合的特异性。这种更高的亲和力是骨化三醇活性维生素 D 形式的 2.7 倍。艾德骨化醇消除半衰期长,超过8小时,易被人体吸收,3.4小时达到最大吸收。
生物活性&实验参考方法
体外研究 (In Vitro)
艾德骨化醇无细胞毒性,可减少 LPS (5 μg/mL) 诱导的细胞死亡(0.5–50 nM;24 小时)[2]。通过激活 Eldecalcitol (0.5-50 nM; 24 h),Eldecalcitol (5 nM; 24 h) 表现出抗焦亡能力,并诱导 NLRP3、caspase-1 和 IL 的剂量减少。 LPS 诱导的焦亡被 Nrf2 及其效应分子 HO-1 抑制[2]。 Eldecalcitol(0.04–40 nM;0-48 小时)可防止 SCC-15 和 CAL-27 细胞增殖和迁移 [3]。 -1β 处的细胞周期曲线表达由依德骨化醇(0.4 nM;48 小时)诱导[3]。 G0/G1 期,以及通过阻止细胞表达谷胱甘肽过氧化物酶或 GPx-1 [3]。
体内研究 (In Vivo)
通过抑制 GPx-1(谷胱甘肽过氧化物酶),艾德骨化醇(0.5 μg/kg;通道;每周两次,持续 4 周)具有抗癌作用 [3]。 Eldecalcitol,一种更有效的维生素 D3 类似物,可促进局灶性骨(微型模型),并且在抑制骨吸收方面比骨 Chetriol 更有效(10、30 或 90 ng/kg;侧向;每周 5 次,持续 12 周)。
细胞实验
蛋白质印迹分析 [2]
细胞类型:人类牙龈成纤维细胞 (HGF)
测试浓度:0、0.5、5 和 50 nM
孵育持续时间:24小时
实验结果:与LPS治疗组相比,TLR4、NLRP3、caspase-1 p20、ASC和GSDMD-N水平以剂量依赖性方式降低。 LPS 诱导的 IL-1β 和 IL-18 释放减少至正常水平。

细胞增殖测定 [3]
细胞类型: SCC-15 和 CAL-27 细胞
测试浓度: 0、0.04、 0.4、4 和 40 nM
孵育时间:6、8、12、24、48 小时
实验结果:使用 0.4 nM 的细胞活力,OSCC 细胞在 24 小时内达到 50%。

细胞增殖分析 [3]
细胞类型: OSCC 细胞
测试浓度: 0.4 nM
孵育时间:48小时
实验结果:晚期凋亡细胞比例从7.1%增加到16.1%。 Bax 和 caspase-3 上调,Bcl-2 下调。显着引发 SCC-15 和 CAL-27 细胞凋亡。
动物实验
Animal/Disease Models: Mouse xenograft tumor model (male athymic nude BALB/c mouse) [3]
Doses: 0.5 μg/kg
Route of Administration: po (oral gavage); [4]. Twice a week for 4 weeks.
Experimental Results: diminished tumor growth rate, down-regulated the expression levels of PCNA and MMP-2 in tumors, and up-regulated Bax expression. Resulting in diminished proliferation, inhibition of migration, and promotion of apoptosis.

Animal/Disease Models: Ovariectomized (OVX) rat model [4]
Doses: 10, 30 or 90 ng/kg
Route of Administration: po (oral gavage); 5 times per week for 12 weeks
Experimental Results: Lumbar spine and femur BMD in a dose-dependent manner way increased. The stimulation of local bone formation begins without prior bone resorption, a process called bone micromodelling.
参考文献

[1]. Matsumoto T.Osteoporosis Treatment by a New Active Vitamin D3 Compound, Eldecalcitol, in Japan.Curr Osteoporos Rep. 2012 Aug 24.

[2]. Eldecalcitol Inhibits LPS-Induced NLRP3 Inflammasome-Dependent Pyroptosis in Human Gingival Fibroblasts by Activating the Nrf2/HO-1 Signaling Pathway. Drug Des Devel Ther. 2020 Nov 13;14:4901-4913.

[3]. Eldecalcitol inhibits the progression of oral cancer by suppressing the expression of GPx-1. Oral Dis. 2021 Aug 24.

[4]. Eldecalcitol and calcitriol stimulates 'bone minimodeling,' focal bone formation without prior bone resorption, in rat trabecular bone. J Steroid Biochem Mol Biol. 2013 Jul;136:178-82.

其他信息
1alpha,25-dihydroxy-2beta-(3-hydroxypropoxy)vitamin D3 is a hydroxycalciol that is calcitriol with a 3-hydroxypropoxy group at position 2. It has a role as a metabolite. It is a tetrol, a member of D3 vitamins and a hydroxycalciol. It is functionally related to a calcitriol.
Eldecalcitol (ED-71), a vitamin D analog, is a more potent inhibitor of bone resorption than alfacalcidol in an estrogen-deficient rat model of osteoporosis. Eldecalcitol, effectively and safely increased lumbar and hip bone mineral density (BMD) in osteoporotic patients who also received vitamin D3 supplementation.
Drug Indication
Investigated for use/treatment in osteoporosis.
Mechanism of Action
Eldecalcitol [1a,25-DIHYDROXY-2ß-(3-hydroxypropoxy)vitamin D3] is an analog of 1a,25-dihydroxyvitamin D3 [1,25(OH)2D3], bearing a hydroxypropoxy residue at the 2b position. Eldecalcitol is also effective in increasing bone mass and was able to enhance bone strength in rodents. It binds to the vitamin D receptor (VDR) with less affinity but binds to vitamin D-binding protein with higher affinity than 1,25(OH)2D, showing a long half-life in plasma.
*注: 文献方法仅供参考, InvivoChem并未独立验证这些方法的准确性
化学信息 & 存储运输条件
分子式
C30H50O5
分子量
490.725
精确质量
490.365
元素分析
C, 73.43; H, 10.27; O, 16.30
CAS号
104121-92-8
相关CAS号
Eldecalcitol-d6
PubChem CID
6918141
外观&性状
White to off-white solid powder
密度
1.1±0.1 g/cm3
沸点
655.7±55.0 °C at 760 mmHg
熔点
126-128ºC
闪点
350.3±31.5 °C
蒸汽压
0.0±4.5 mmHg at 25°C
折射率
1.550
LogP
5.84
tPSA
90.15
氢键供体(HBD)数目
4
氢键受体(HBA)数目
5
可旋转键数目(RBC)
10
重原子数目
35
分子复杂度/Complexity
784
定义原子立体中心数目
7
SMILES
O([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])C([H])([H])C([H])([H])[C@@]([H])(C([H])([H])[H])[C@@]1([H])C([H])([H])C([H])([H])[C@@]2([H])/C(=C(\[H])/C(/[H])=C3\C(=C([H])[H])[C@]([H])([C@@]([H])([C@@]([H])(C\3([H])[H])O[H])OC([H])([H])C([H])([H])C([H])([H])O[H])O[H])/C([H])([H])C([H])([H])C([H])([H])[C@]12C([H])([H])[H]
InChi Key
FZEXGDDBXLBRTD-AYIMTCTASA-N
InChi Code
InChI=1S/C30H50O5/c1-20(9-6-15-29(3,4)34)24-13-14-25-22(10-7-16-30(24,25)5)11-12-23-19-26(32)28(27(33)21(23)2)35-18-8-17-31/h11-12,20,24-28,31-34H,2,6-10,13-19H2,1,3-5H3/b22-11+,23-12-/t20-,24-,25+,26-,27-,28-,30-/m1/s1
化学名
(1R,2R,3R,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-2-(3-hydroxypropoxy)-4-methylidenecyclohexane-1,3-diol
别名
Eldecalcitol; ED 71; ED-71; ED71; Edirol; 1,25-dihydroxyvitamin D3; 2-(3-Hydroxypropoxy)calcitriol
HS Tariff Code
2934.99.9001
存储方式

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

注意: (1). 本产品在运输和储存过程中需避光。  (2). 请将本产品存放在密封且受保护的环境中(例如氮气保护),避免吸湿/受潮。
运输条件
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
溶解度数据
溶解度 (体外实验)
Methanol: ~8.3 mg/mL (~17 mM)
DMSO: ~3.3 mg/mL (~6.8 mM)
溶解度 (体内实验)
注意: 如下所列的是一些常用的体内动物实验溶解配方,主要用于溶解难溶或不溶于水的产品(水溶度<1 mg/mL)。 建议您先取少量样品进行尝试,如该配方可行,再根据实验需求增加样品量。

注射用配方
(IP/IV/IM/SC等)
注射用配方1: DMSO : Tween 80: Saline = 10 : 5 : 85 (如: 100 μL DMSO 50 μL Tween 80 850 μL Saline)
*生理盐水/Saline的制备:将0.9g氯化钠/NaCl溶解在100 mL ddH ₂ O中,得到澄清溶液。
注射用配方 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (如: 100 μL DMSO 400 μL PEG300 50 μL Tween 80 450 μL Saline)
注射用配方 3: DMSO : Corn oil = 10 : 90 (如: 100 μL DMSO 900 μL Corn oil)
示例: 注射用配方 3 (DMSO : Corn oil = 10 : 90) 为例说明, 如果要配制 1 mL 2.5 mg/mL的工作液, 您可以取 100 μL 25 mg/mL 澄清的 DMSO 储备液,加到 900 μL Corn oil/玉米油中, 混合均匀。
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注射用配方 4: DMSO : 20% SBE-β-CD in Saline = 10 : 90 [如:100 μL DMSO 900 μL (20% SBE-β-CD in Saline)]
*20% SBE-β-CD in Saline的制备(4°C,储存1周):将2g SBE-β-CD (磺丁基-β-环糊精) 溶解于10mL生理盐水中,得到澄清溶液。
注射用配方 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (如: 500 μL 2-Hydroxypropyl-β-cyclodextrin (羟丙基环胡精) 500 μL Saline)
注射用配方 6: DMSO : PEG300 : Castor oil : Saline = 5 : 10 : 20 : 65 (如: 50 μL DMSO 100 μL PEG300 200 μL Castor oil 650 μL Saline)
注射用配方 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (如: 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
注射用配方 8: 溶解于Cremophor/Ethanol (50 : 50), 然后用生理盐水稀释。
注射用配方 9: EtOH : Corn oil = 10 : 90 (如: 100 μL EtOH 900 μL Corn oil)
注射用配方 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (如: 100 μL EtOH 400 μL PEG300 50 μL Tween 80 450 μL Saline)


口服配方
口服配方 1: 悬浮于0.5% CMC Na (羧甲基纤维素钠)
口服配方 2: 悬浮于0.5% Carboxymethyl cellulose (羧甲基纤维素)
示例: 口服配方 1 (悬浮于 0.5% CMC Na)为例说明, 如果要配制 100 mL 2.5 mg/mL 的工作液, 您可以先取0.5g CMC Na并将其溶解于100mL ddH2O中,得到0.5%CMC-Na澄清溶液;然后将250 mg待测化合物加到100 mL前述 0.5%CMC Na溶液中,得到悬浮液。
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口服配方 3: 溶解于 PEG400 (聚乙二醇400)
口服配方 4: 悬浮于0.2% Carboxymethyl cellulose (羧甲基纤维素)
口服配方 5: 溶解于0.25% Tween 80 and 0.5% Carboxymethyl cellulose (羧甲基纤维素)
口服配方 6: 做成粉末与食物混合


注意: 以上为较为常见方法,仅供参考, InvivoChem并未独立验证这些配方的准确性。具体溶剂的选择首先应参照文献已报道溶解方法、配方或剂型,对于某些尚未有文献报道溶解方法的化合物,需通过前期实验来确定(建议先取少量样品进行尝试),包括产品的溶解情况、梯度设置、动物的耐受性等。

请根据您的实验动物和给药方式选择适当的溶解配方/方案:
1、请先配制澄清的储备液(如:用DMSO配置50 或 100 mg/mL母液(储备液));
2、取适量母液,按从左到右的顺序依次添加助溶剂,澄清后再加入下一助溶剂。以 下列配方为例说明 (注意此配方只用于说明,并不一定代表此产品 的实际溶解配方):
10% DMSO → 40% PEG300 → 5% Tween-80 → 45% ddH2O (或 saline);
假设最终工作液的体积为 1 mL, 浓度为5 mg/mL: 取 100 μL 50 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中,混合均匀/澄清;向上述体系中加入50 μL Tween-80,混合均匀/澄清;然后继续加入450 μL ddH2O (或 saline)定容至 1 mL;

3、溶剂前显示的百分比是指该溶剂在最终溶液/工作液中的体积所占比例;
4、 如产品在配制过程中出现沉淀/析出,可通过加热(≤50℃)或超声的方式助溶;
5、为保证最佳实验结果,工作液请现配现用!
6、如不确定怎么将母液配置成体内动物实验的工作液,请查看说明书或联系我们;
7、 以上所有助溶剂都可在 Invivochem.cn网站购买。
制备储备液 1 mg 5 mg 10 mg
1 mM 2.0378 mL 10.1889 mL 20.3778 mL
5 mM 0.4076 mL 2.0378 mL 4.0756 mL
10 mM 0.2038 mL 1.0189 mL 2.0378 mL

1、根据实验需要选择合适的溶剂配制储备液 (母液):对于大多数产品,InvivoChem推荐用DMSO配置母液 (比如:5、10、20mM或者10、20、50 mg/mL浓度),个别水溶性高的产品可直接溶于水。产品在DMSO 、水或其他溶剂中的具体溶解度详见上”溶解度 (体外)”部分;

2、如果您找不到您想要的溶解度信息,或者很难将产品溶解在溶液中,请联系我们;

3、建议使用下列计算器进行相关计算(摩尔浓度计算器、稀释计算器、分子量计算器、重组计算器等);

4、母液配好之后,将其分装到常规用量,并储存在-20°C或-80°C,尽量减少反复冻融循环。

计算器

摩尔浓度计算器可计算特定溶液所需的质量、体积/浓度,具体如下:

  • 计算制备已知体积和浓度的溶液所需的化合物的质量
  • 计算将已知质量的化合物溶解到所需浓度所需的溶液体积
  • 计算特定体积中已知质量的化合物产生的溶液的浓度
使用摩尔浓度计算器计算摩尔浓度的示例如下所示:
假如化合物的分子量为350.26 g/mol,在5mL DMSO中制备10mM储备液所需的化合物的质量是多少?
  • 在分子量(MW)框中输入350.26
  • 在“浓度”框中输入10,然后选择正确的单位(mM)
  • 在“体积”框中输入5,然后选择正确的单位(mL)
  • 单击“计算”按钮
  • 答案17.513 mg出现在“质量”框中。以类似的方式,您可以计算体积和浓度。

稀释计算器可计算如何稀释已知浓度的储备液。例如,可以输入C1、C2和V2来计算V1,具体如下:

制备25毫升25μM溶液需要多少体积的10 mM储备溶液?
使用方程式C1V1=C2V2,其中C1=10mM,C2=25μM,V2=25 ml,V1未知:
  • 在C1框中输入10,然后选择正确的单位(mM)
  • 在C2框中输入25,然后选择正确的单位(μM)
  • 在V2框中输入25,然后选择正确的单位(mL)
  • 单击“计算”按钮
  • 答案62.5μL(0.1 ml)出现在V1框中
g/mol

分子量计算器可计算化合物的分子量 (摩尔质量)和元素组成,具体如下:

注:化学分子式大小写敏感:C12H18N3O4  c12h18n3o4
计算化合物摩尔质量(分子量)的说明:
  • 要计算化合物的分子量 (摩尔质量),请输入化学/分子式,然后单击“计算”按钮。
分子质量、分子量、摩尔质量和摩尔量的定义:
  • 分子质量(或分子量)是一种物质的一个分子的质量,用统一的原子质量单位(u)表示。(1u等于碳-12中一个原子质量的1/12)
  • 摩尔质量(摩尔重量)是一摩尔物质的质量,以g/mol表示。
/

配液计算器可计算将特定质量的产品配成特定浓度所需的溶剂体积 (配液体积)

  • 输入试剂的质量、所需的配液浓度以及正确的单位
  • 单击“计算”按钮
  • 答案显示在体积框中
动物体内实验配方计算器(澄清溶液)
第一步:请输入基本实验信息(考虑到实验过程中的损耗,建议多配一只动物的药量)
第二步:请输入动物体内配方组成(配方适用于不溶/难溶于水的化合物),不同的产品和批次配方组成不同,如对配方有疑问,可先联系我们提供正确的体内实验配方。此外,请注意这只是一个配方计算器,而不是特定产品的确切配方。
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+
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计算结果:

工作液浓度 mg/mL;

DMSO母液配制方法 mg 药物溶于 μL DMSO溶液(母液浓度 mg/mL)。如该浓度超过该批次药物DMSO溶解度,请首先与我们联系。

体内配方配制方法μL DMSO母液,加入 μL PEG300,混匀澄清后加入μL Tween 80,混匀澄清后加入 μL ddH2O,混匀澄清。

(1) 请确保溶液澄清之后,再加入下一种溶剂 (助溶剂) 。可利用涡旋、超声或水浴加热等方法助溶;
            (2) 一定要按顺序加入溶剂 (助溶剂) 。

临床试验信息
Pharmacokinetic study of Eldecalcitol in healthy male volunteers
CTID: jRCT2080223085
Phase:    Status: completed
Date: 2016-01-22
Quantitative assessment of the eldecalcitol effect on intestinal calcium absorption
CTID: UMIN000020267
PhaseNot applicable    Status: Complete: follow-up complete
Date: 2015-12-19
Effect of vitaminD for osteoporosis with hand osteoarthritis
CTID: UMIN000018945
Phase:    Status: Complete: follow-up complete
Date: 2015-09-09
Impact of raloxifene, eldecalcitol and their combination therapy on bone indices in postmenopausal subjects with osteoporosis and chronic kidney disease stage 3: Re Bone Study
CTID: UMIN000018296
Phase:    Status: Complete: follow-up continuing
Date: 2015-07-13
ED-71 clinical Study in Patients With Primary Osteoporosis
CTID: jRCT2080222852
Phase:    Status: completed
Date: 2015-05-19
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The beneficial effect and safety Eldecalcitol with combined peginterferon alpha-2a plus ribavirin for chronic hepatitis C patients with osteoporosis
CTID: UMIN000007070
Phase:    Status: Complete: follow-up complete
Date: 2015-03-31


Prospective randomised clinical trial for the medication in Metabolic Bone Diseases after Gastrectomy
CTID: UMIN000015517
Phase:    Status: Recruiting
Date: 2014-10-24
Eldecalcitol for GLucocorticoid induced OsteopoRosIs versus Alfacalcidol
CTID: UMIN000011700
Phase:    Status: Complete: follow-up complete
Date: 2013-09-10
Eldecalcitol for GLucocorticoid induced OsteopoRosIs versus Alfacalcidol
CTID: UMIN000011700
Phase:    Status: Complete: follow-up complete
Date: 2013-09-10
The effect of activated vitamin D on reducing the progression from impaired glucose tolerance (IGT) to type 2 diabetes (Phase IV, multicenter, randomized, double blind, placebo controlled, and parallel group comparison)
CTID: UMIN000010758
Phase: Phase IV    Status: Complete: follow-up complete
Date: 2013-05-20
Open randomized intergroup trial about efficacy and the safety of minodronate raloxifene and eldecalcitol in the drug choice after teriparatide 24 months administration for osteoporosis.
CTID: UMIN000010413
PhaseNot applicable    Status: Complete: follow-up complete
Date: 2013-04-03
The additive effect of Eldecalcitol for glucocorticoid induced osteoporosis responding poorly to Alendronate.
CTID: UMIN000009586
Phase:    Status: Complete: follow-up complete
Date: 2012-12-20
The effect of combination therapy with Alendronate and Eldecalcitol for glucocorticoid induced osteoporosis -switch from Alfacalcidol to Eldecalcitol-
CTID: UMIN000009588
Phase:    Status: Complete: follow-up complete
Date: 2012-12-20
The effect of Eldecalcitol for glucocorticoid induced osteoporosis patients who are not recommended bisphosphonates therapy
CTID: UMIN000009589
Phase:    Status: Complete: follow-up complete
Date: 2012-12-20
Clinical study to evaluate the efficacy of a new vitamin D derivative to the patients with a long history of bisphosphonate treatment
CTID: UMIN000009495
Phase:    Status: Complete: follow-up complete
Date: 2012-12-06
Effects of Eldecalcitol and Raloxifene on the suppression of new vertebral fracture with osteoporosis in perimenopausal women or ovariectomy patients: Randomized controlled trial
CTID: UMIN000009378
Phase:    Status: Recruiting
Date: 2012-11-21
Evaluation of Falls and Frailty; Eldecalcitol Clinical Trial (EFFECT) study
CTID: jRCT1080221967
Phase:    Status: completed
Date: 2012-11-19
The comparison of Eldecalcitol and Alfacalcidol on early osteoporosis caused by Anastrozole / Letrozole for post-operative breast cancer.
CTID: UMIN000009183
Phase:    Status: Pending
Date: 2012-10-26
The effect of switching to Eldecalcitol from Alfacalcidol on osteoporosis caused by Anastrozole / Letrozole for post-operative breast cancer.
CTID: UMIN000009182
Phase:    Status: Pending
Date: 2012-10-26
Examination for the effect of eldecalcitol on muscle strength in primary osteoporotic patients
CTID: UMIN000008464
Phase:    Status: Recruiting
Date: 2012-07-18
The effect of eldecalcitol on bone mineral density and bone markers for osteoporotic patients with type 2 diabetes.-Open label multicenter study-
CTID: UMIN000008417
Phase:    Status: Pending
Date: 2012-07-17
Combination therapy of Eldecalcitol with Risedronate on Aromatase inhibitor treated post-operative Mammary carcinoma In the prevention of bone QUality and quantity Exacerbation (CERAMIQUE) randomized trial
CTID: UMIN000008286
PhaseNot applicable    Status: Complete: follow-up complete
Date: 2012-07-01
Effect of Eldcalcitol/ Raloxifene combination therapy for fall prevention in primary osteoporosis patients: a randomized controlled study.
CTID: UMIN000008216
Phase:    Status: Recruiting
Date: 2012-06-20
Examination for the effect of combination therapy with Eldecalcitol and Alendronate in primary osteoporotic patients
CTID: UMIN000008191
Phase: Phase IV    Status: Complete: follow-up complete
Date: 2012-06-18
Examination for the effect of combination therapy with raloxifene and eldecalcitol in primary osteoporotic patients -Switch from alfacalcidol to eldecalcitol-
CTID: UMIN000007742
Phase:    Status: Recruiting
Date: 2012-04-13
Examination for the effect of combination therapy with alendronate and eldecalcitol in primary osteoporotic patients :A randomized active comparator study -Switch from alfacalcidol to eldecalcitol-
CTID: UMIN000006964
Phase:    Status: Complete: follow-up complete
Date: 2011-12-27
Eldeacalcitol Phase IV study; combination therapy with alendronate
CTID: jRCT1080221612
Phase:    Status:
Date: 2011-10-11
Active vitamin D treatment and Prevention of Sarcopenia in Adults with Prediabetes
CTID: UMIN000005394
Phase: Phase IV    Status: Complete: follow-up continuing
Date: 2011-04-07

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