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    • 25. 发明申请
    • CHELATE NANOEMULSION FOR MRI
    • 用于MRI的CHELATE NANOEMULSION
    • US20130309176A1
    • 2013-11-21
    • US13995732
    • 2011-12-20
    • Marc PortCaroline RobicFernando Leal CalderonSamy Chadel
    • Marc PortCaroline RobicFernando Leal CalderonSamy Chadel
    • A61K49/18
    • A61K49/1809A61K49/1806
    • The present invention relates to an oil-in-water nanoemulsion composition for MRI, comprising: an aqueous phase, representing 70% to 90% by weight of the composition, advantageously 75% to 85% and more advantageously from 78% to 82% a lipid phase comprising an oil, representing 9.5% to 29.5% by weight of the composition, advantageously 14% to 25% and more advantageously 17% to 21%, a surfactant at the interface between the aqueous and lipid phases, the surfactant comprising at least one amphiphilic paramagnetic metal chelate and optionally an amphiphilic lipid; the total content of surfactant by weight relative to the oil being between 4% and 10% and advantageously between 5% and 8%; the total content of surfactant by weight relative to the composition being between 0.35% and 2.95% and advantageously between 0.5% and 2%; the oil comprising at least 70%, advantageously at least 80%, advantageously at least 95% by weight and especially at least 97% of saturated C6-C18, advantageously C6-C14 and more advantageously C6-C10 fatty acids.
    • 本发明涉及用于MRI的水包油纳米乳液组合物,其包含:水相,占组合物重量的70%至90%,有利地为75%至85%,更有利地为78%至82% 在水相和脂质相之间的界面处的表面活性剂占组合物重量的9.5%至29.5%,优选为14%至25%,更优选为17%至21%的脂质相,表面活性剂至少包含 一种两亲顺磁金属螯合物和任选的两亲性脂质; 相对于油的重量比的表面活性剂的总含量在4%至10%之间,有利地在5%和8%之间; 表面活性剂的总含量相对于组合物的总含量在0.35%至2.95%之间,有利地在0.5%和2%之间; 该油包含至少70%,有利地至少80%,有利地至少95%重量,特别是至少97%的饱和C 6 -C 18,有利地是C 6 -C 14,更有利地是C 6 -C 10脂肪酸。
    • 28. 发明申请
    • METHOD FOR PREPARING A PHARMACEUTICAL FORMULATION OF LANTHANIDE CHELATE IN POWDER FORM
    • 制备粉末形态中的柠檬酸盐的药物制剂的方法
    • US20120082624A1
    • 2012-04-05
    • US13319901
    • 2010-05-12
    • Marc Port
    • Marc Port
    • A61K49/10
    • A61K49/108A61K9/08A61K49/06
    • The present invention relates to a method for preparing a pharmaceutical formulation of lanthanide chelate in powder form, this powder comprising a mol/mol excess of free chelate of between 0.002 and 0.4%, said method comprising the following successive steps: 1) step 1: mixing the chelate and the lanthanide so as to obtain complexation of the lanthanide by the chelate, the complexation solution obtained comprising, in addition to the chelate-lanthanide complex, an excess amount X1 of free chelate; 2) step 2: preferably measuring X1; 3) step 3: precipitating the complexation solution obtained in step 1) from an organic solvent so as to obtain a powder of chelate-lanthanide complex, the powder containing an excess amount X2 of free chelate; 4) step 4: optionally adjusting X2 so as to obtain: 4.a) X2 is between 0.002 and 0.4%, and more especially between 0.02 and 0.3% mol/mol, very advantageously between 0.025 and 0.25% mol/mol, 4.b) X2 corresponds to between 0.2 and 2 times X1, in particular between 0.5 and 1.5 times X1, X2 advantageously belonging to the range: [0.5-0.95]×X1, or to the range [1.05-1.3]×X1; 5) step 5: preferably measuring X2.
    • 本发明涉及一种制备粉末形式的镧系元素螯合物的药物制剂的方法,该粉末包含0.002至0.4%的摩尔/摩尔过量的游离螯合物,所述方法包括以下连续步骤:1)步骤1: 混合螯合物和镧系元素,以便通过螯合物使镧系元素络合,得到的配合溶液除了螯合镧系元素络合物外还含有过量的游离螯合物X1; 2)步骤2:优选测量X1; 3)步骤3:从有机溶剂中沉淀步骤1)中得到的络合溶液,得到螯合镧系配合物的粉末,该粉末含有过量的游离螯合物X2; 4)步骤4:任选地调整X2以获得:4.a)X2为0.002至0.4%,更特别为0.02至0.3%mol / mol,非常有利地为0.025至0.25%mol / mol,4。 b)X2对应于X1的0.2和2倍之间,特别是X1和X2的0.5和1.5之间,X2有利地属于[0.5-0.95]×X1或范围[1.05-1.3]×X1; 5)步骤5:优选测量X2。