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    • 3. 发明授权
    • Compositions and methods of treating calcium renal stones
    • 治疗钙肾结石的组成和方法
    • US4966776A
    • 1990-10-30
    • US412801
    • 1989-09-27
    • Charles Y. C. Pak
    • Charles Y. C. Pak
    • A61K31/19
    • A61K31/19Y10S514/891
    • Methods and compositions useful for the treatment and prophylaxis of calcium renal stones in persons with hypocitraturia or undergoing allopurinol therapy are disclosed. The methods involve administering potassium citrate compositions to persons afflicted with or susceptible to calcium renal stone formations. A typical dosage scheme involves administering about 30 to 120 meq potassium citrate per day in divided doses. Such treatments are effective in dissolving existing calcium stones and preventing formation of new calcium stones. Moreover, the results of a comparative clinical assay indicate the potassium citrate is superior to sodium citrate in the treatment of uric acid lithiasis. Potassium citrate therapy averts calcium renal stone formation, a complication which is often associated with sodium citrate or sodium bicarbonate alkalinization therapy.
    • 公开了用于治疗和预防患有hypoitraturia或正在进行别嘌呤醇治疗的患者中的钙肾结石的方法和组合物。 所述方法涉及将柠檬酸钾组合物施用于患有钙敏感性肾结石形成的患者或易受影响的人。 典型的剂量方案包括每天以分剂量施用约30至120毫克柠檬酸钾。 这种治疗有效地溶解现有的钙结石并防止形成新的钙结石。 此外,比较临床检验的结果表明柠檬酸钾在治疗尿酸结石时优于柠檬酸钠。 柠檬酸钾治疗可以避免钙肾结石形成,这种并发症通常与柠檬酸钠或碳酸氢钠碱化治疗相关。
    • 8. 发明授权
    • Calcium supplementation by dicalcium citrate-lactate
    • 钙柠檬酸钙补充钙
    • US5075499A
    • 1991-12-24
    • US275046
    • 1988-11-21
    • Neill B. WalsdorfGeorge AlexandridesCharles Y. C. Pak
    • Neill B. WalsdorfGeorge AlexandridesCharles Y. C. Pak
    • A61K31/19C07C59/08C07C59/265
    • A61K31/19C07C59/08C07C59/265
    • One aspect of the present invention includes the novel compound having the formula:Ca.sub.2 (OOC--CH.sub.2 --COHCOO-CH.sub.2 COO)(CH.sub.3 CHOH-COO)In another aspect of the present invention, a method is provided for the treatment of a calcium related pathology. The inventive method includes the steps of providing a pharmaceutically acceptable composition, including as the active principle the compound dicalcium citrate-lactate, and administering to an individual in need thereof a therapeutically effective amount of said pharmaceutically acceptable composition.In yet another aspect of the present invention, a process is provided for producing the compound dicalcium citrate-lactate. The inventive process comprising the steps of: (a) admixing stoichiometric quantities of citric acid and a calcium compound selected from the group consisting of calcium carbonate, calcium oxide and calcium hydroxide; (b) initiating a reaction by admixing stoichiometric quantities of lactic acid and water with said citric acid and calcium compound of step (a); (c) mixing the reactance of step (b) to produce a dense, hydrated mixture comprising calcium ions, citrate ions and lactate ions in a ratio of about 2:1:1; and (d) dehyrating the dense, hydrated mixture of step (c).
    • 本发明的一个方面包括具有下式的新化合物:Ca2(OOC-CH2-COHCOO-CH2COO)(CH3CHOH-COO)在本发明的另一方面,提供了一种治疗钙相关病理学的方法。 本发明的方法包括提供药学上可接受的组合物的步骤,其包括作为活性成分的柠檬酸二钙 - 乳酸盐化合物,以及向有需要的个体施用治疗有效量的所述药学上可接受的组合物。 在本发明的另一方面,提供了一种制备柠檬酸二钙柠檬酸酯化合物的方法。 本发明的方法包括以下步骤:(a)混合化学计量的柠檬酸和选自碳酸钙,氧化钙和氢氧化钙的钙化合物; (b)通过将化学计量的乳酸和水与步骤(a)的所述柠檬酸和钙化合物混合来引发反应; (c)将步骤(b)的电抗混合以产生约2:1:1比例的钙离子,柠檬酸根离子和乳酸盐离子的致密的水合混合物; 和(d)使步骤(c)的致密,水合的混合物脱氢。
    • 10. 发明授权
    • Compositions and methods of treating calcium renal stones
    • 治疗钙肾结石的组成和方法
    • US4888182A
    • 1989-12-19
    • US019056
    • 1987-02-26
    • Charles Y. C. Pak
    • Charles Y. C. Pak
    • A61K31/19
    • A61K31/19Y10S514/891
    • Methods and compositions useful for the treatment and prophylaxis of calcium renal stones are disclosed. The methods involve administering potassium citrate compositions to persons afflicted with or susceptible to calcium renal stone formations. A typical dosage scheme involves administering about 30 to 120 meq potassium citrate per day in divided doses. Such treatments are effective in dissolving existing calcium stones and preventing formation of new calcium stones. Moreover, the results of a comparative clinical assay indicate the potassium citrate is superior to sodium citrate in the treatment of uric acid lithiasis. Potassium citrate therapy averts calcium renal stone formation, a complication which is often associated with sodium citrate or sodium bicarbonate alkalinization therapy.
    • 公开了用于治疗和预防钙肾结石的方法和组合物。 所述方法涉及将柠檬酸钾组合物施用于患有钙敏感性肾结石形成的患者或易受影响的人。 典型的剂量方案包括每天以分剂量施用约30至120毫克柠檬酸钾。 这种治疗有效地溶解现有的钙结石并防止形成新的钙结石。 此外,比较临床检验的结果表明柠檬酸钾在治疗尿酸结石时优于柠檬酸钠。 柠檬酸钾治疗可以避免钙肾结石形成,这种并发症通常与柠檬酸钠或碳酸氢钠碱化治疗相关。