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    • 3. 发明申请
    • STERILE ALGINATE-BASED AQUEOUS COMPOSITION FOR MEDICAL USE AND PROCESS FOR THE PREPARATION THEREOF
    • 用于医疗用途的基于ALT的碱性水性组合物及其制备方法
    • WO2011112082A1
    • 2011-09-15
    • PCT/NL2011/050160
    • 2011-03-08
    • BENDER ANALYTICAL HOLDING B.V.BENDER, Johannes Caspar Mathias ElizabethPELLIKAAN, Hubert Clemens
    • BENDER, Johannes Caspar Mathias ElizabethPELLIKAAN, Hubert Clemens
    • A61K31/734
    • A61K31/734A61K9/0024A61K47/02A61K47/36
    • The present invention relates to ready-to-use sterile, alginate-based, aqueous compositions for medical use. More particularly, the invention relates to an aqueous composition for medical use that has been sterilized by heat sterilization and having a viscosity at 25 ºC of at least 300 cP (Helipath® T F spindle, 100 rpmat 25 °C), said composition having a pH in the range of 6.5-7.5; containing 0.5-10 wt.% of an alginate salt; and further containing 10-500 mM of one or more dissolved C 2 -C 7 mono-or dicarboxylates that are optionally substituted with up to 2 hydroxyl groups. The alginate-based composition of the present invention has excellent storage stability and is easy to manufacture. The alginate-based aqueous compositions of the present invention can advantageously be used, for instance, to prevent adhesions between a healing trauma site and adjacent surrounding tissue. These compositions can further be used in implants or in pharmaceutical preparations for oral administration.
    • 本发明涉及用于医疗用途的即用型无菌藻酸盐基水性组合物。 更具体地说,本发明涉及用于医疗用途的水性组合物,其已经通过热灭菌灭菌,并且在25℃下的粘度为至少300cP(Helipath?TF锭子,25 rpm,100 rpm),所述组合物具有pH 在6.5-7.5的范围内; 含有0.5-10重量%的藻酸盐; 并进一步含有10-500mM的一个或多个可任选被至多2个羟基取代的溶解的C 2 -C 7单或二羧酸酯。 本发明的基于藻酸盐的组合物具有优异的储存稳定性,易于制造。 本发明的藻酸盐基水性组合物可以有利地用于例如防止愈合创伤部位和相邻的周围组织之间的粘连。 这些组合物还可以用于植入物或用于口服给药的药物制剂中。
    • 4. 发明申请
    • METHOD FOR PARTICLE PRECIPITATION USING NEAR-CRITICAL AND SUPERCRITICAL ANTISOLVENTS
    • 使用临界和超临界反应的颗粒沉降的方法
    • WO2004006893A1
    • 2004-01-22
    • PCT/NL2003/000516
    • 2003-07-15
    • FEYECON DEVELOPMENT & IMPLEMENTATION B.V.UNIVERSITEIT LEIDENPELLIKAAN, Hubert, ClemensBORCHARD, Gerrit
    • PELLIKAAN, Hubert, ClemensBORCHARD, Gerrit
    • A61K9/16
    • A61K9/5161A61K9/1652A61K9/1694A61K9/5192A61K48/0008A61K48/0041A61K2039/55555
    • The present invention is concerned with a continuous or semi-continuous process for the preparation of small particles through precipitation, which process employs (i) a fluid solution comprising a solvent and a solute to be precipitated and (ii) a non-gaseous antisolvent, said solvent being soluble in or miscible with the antisolvent and said solute being substantially insoluble in the antisolvent, said process comprising the successive steps of: a. combining the fluid solution and the antisolvent so as to achieve a condition of super saturation; b. allowing nucleation to commence and the nuclei formed to grow to particles with a volume weighted average diameter of between 5 nm and 50,000 nm, c. collecting the resulting particles and separating them from the antisolvent; wherein the solvent contains an organic solvent and less than 20 wt.% water and the solute comprises a charged carbohydrate polymer in combination with a second biopolymer component selected from the group consisting of polynucleotides, amino acid polymers and mixtures thereof; and wherein step a. and b. are carried out under a substantially constant pressure. Suitable examples of the charged carbohydrate polymer include chitosan polymers, heparin, hyaluronic acid polymers and derivatives thereof. The particles obtained from the above process may suitably be used for intracellular delivery of a polynucleotide and/or a polyamino acid in animals and humans.
    • 本发明涉及通过沉淀制备小颗粒的连续或半连续方法,该方法使用(i)包含溶剂和待沉淀的溶质的流体溶液,和(ii)非气态反溶剂, 所述溶剂可溶于抗溶剂或与溶液混溶,所述溶质基本上不溶于抗溶剂,所述方法包括以下连续步骤:a。 结合流体溶液和抗溶剂,以达到超饱和状态; 湾 允许成核开始,并且形成的细胞核生长成体积加权平均直径在5nm和50,000nm之间的颗粒,c。 收集所得颗粒并将其与抗溶剂分离; 其中所述溶剂含有有机溶剂和少于20重量%的水,并且所述溶质包含带电荷的碳水化合物聚合物与选自多核苷酸,氨基酸聚合物及其混合物的第二生物聚合物组分; 并且其中步骤a。 和b。 在基本恒定的压力下进行。 带电碳水化合物聚合物的合适实例包括壳聚糖聚合物,肝素,透明质酸聚合物及其衍生物。 从上述方法获得的颗粒可适合用于动物和人体中多核苷酸和/或多氨基酸的细胞内递送。
    • 5. 发明申请
    • GRANULATE CONTAINING A PHARMACEUTICALLY ACTIVE SUBSTANCE AND METHOD FOR ITS MANUFACTURE
    • 含有药物活性物质的颗粒及其制造方法
    • WO2008033023A2
    • 2008-03-20
    • PCT/NL2007/050448
    • 2007-09-14
    • FEYECON DEVELOPMENT & IMPLEMENTATION B.V.PELLIKAAN, Hubert ClemensVERMEULEN, Pieter SebastiaanBENDER, Johannes Caspar Mathias ElizabethFERNANDEZ CID, Maria, Vanesa
    • PELLIKAAN, Hubert ClemensVERMEULEN, Pieter SebastiaanBENDER, Johannes Caspar Mathias ElizabethFERNANDEZ CID, Maria, Vanesa
    • A61K9/2059A61K9/1617A61K9/1623A61K9/1694A61K9/2013A61K9/2018
    • One aspect of the present invention relates to a granulate having a volume weighted mean diameter of 1-200 m and containing: at least 0.1 wt.% of a pharmaceutically active substance; at least 10 wt.% of emulsifier selected from the group consisting of sugar fatty acid esters, mono-glycerides, di-glycerides, diacetyl tartaric acid ester of monoglyceride, diacetyl tartaric acid esters of diglyceride, polyglycerol esters, calcium stearoyl lactylate, sodium stearoyl lactylate and combinations thereof; and 0-89.9 wt.% of a water-dispersible saccharide; the combination of the pharmaceutically active substance, the emulsifier and the water-dispersible saccharide together represening at least 60 wt.% of the granulate; wherein the granulate is monophasic or wherein the granulate comprises a dispersed phase containing the pharmaceutically active substance, said dispersed phase having a volume weighted mean diameter of less than 300 nm. The granulates of the present invention enable the manufacture of transmucosal dosage units that exhibit improved solubility and/or bioavailability of the pharmaceutically active substance. Another aspect of the invention relates to a process for the preparation of a granulate containing a pharmaceutically active substance, which process employs: a pumpable emulsion comprising (i) a continuous phase containing a polar solvent and (ii) a dispersed phase containing an emulsifier and a pharmaceutically active substance; an extractant comprising a supercritical, subcritical or liquefied gas; said solvent being substantially more soluble in the extractant than said emulsifier; the process comprising the successive steps of : a. combining the pumpable emulsion with the extractant under mixing conditions; b. allowing the formation of granules containing the emulsifier and the pharmaceutically active substance; c. collect ing the granules and separating them from the extractant.
    • 本发明的一个方面涉及体积加权平均直径为1-200μm并含有至少0.1wt%的药物活性物质的颗粒; 至少10重量%的选自糖脂肪酸酯,单甘油酯,二甘油酯,甘油单酯的二乙酰酒石酸酯,甘油二酯的二乙酰酒石酸酯,聚甘油酯,硬脂酰乳酸钙,硬脂酰基硬脂酸钠 乳酸盐及其组合; 和0-89.9重量%的水分散性糖; 药物活性物质,乳化剂和水分散性糖的组合共同表示至少60重量%的颗粒; 其中所述颗粒是单相的或其中所述颗粒包含含有所述药物活性物质的分散相,所述分散相的体积加权平均直径小于300nm。 本发明的颗粒能够制造显示改善的药物活性物质的溶解度和/或生物利用度的经粘膜剂量单位。 本发明的另一方面涉及一种制备含有药物活性物质的颗粒的方法,该方法采用:可泵送乳液,其包含(i)含有极性溶剂的连续相和(ii)含有乳化剂的分散相和 药物活性物质; 包括超临界,亚临界或液化气体的萃取剂; 所述溶剂比所述乳化剂在萃取剂中更可溶; 该过程包括以下连续步骤:a。 将可泵送乳液与萃取剂在混合条件下结合; 湾 允许形成含有乳化剂和药物活性物质的颗粒; C。 收集颗粒并将其与萃取剂分离。
    • 6. 发明申请
    • PROCESS FOR SMALL PARTICLE FORMATION
    • 小粒子形成过程
    • WO2003086606A1
    • 2003-10-23
    • PCT/NL2003/000168
    • 2003-03-06
    • FEYECON DEVELOPMENT & IMPLEMENTATION B.V.PELLIKAAN, Hubert, ClemensWUBBOLTS, Frank, Emile
    • PELLIKAAN, Hubert, ClemensWUBBOLTS, Frank, Emile
    • B01J2/04
    • B01J2/04
    • The present invention is concerned with a process for the preparation of small particles through precipitation. More particularly, the present invention relates to such a process which employs a fluid solution comprising a solvent and solute to be precipitated and a non-gaseous antisolvent, said solvent being soluble in or miscible with the antisolvent and said solute being substantially insoluble in the antisolvent, wherein the process comprises the successive steps of: a. feeding a stream of the fluid solution and a stream of the antisolvent into a mixing zone (5) where both streams are thoroughly mixed to achieve a condition of super saturation whilst ensuring that hardly any nucleation occurs during the mixing; b. feeding the resulting mixture of the fluid solution and the antisolvent into a nucleation zone (6) allowing nucleation to commence; c. allowing the nuclei formed in the nucleation zone the grow to particles with a volume weighted average diameter of no more than 50 µm, preferably of no more than 7 µm. d. collecting the particles and separating them from the antisolvent.
    • 本发明涉及通过沉淀制备小颗粒的方法。 更具体地说,本发明涉及使用包含溶剂和溶质沉淀的流体溶液和非气态反溶剂的方法,所述溶剂可溶于抗溶剂或与抗溶剂混溶,所述溶质基本上不溶于抗溶剂 ,其中所述方法包括以下连续步骤:a。 将流体溶液流和反应溶剂流流入混合区(5),其中两个流充分混合以实现超饱和状态,同时确保在混合期间几乎不发生任何成核; 湾 将所得到的流体溶液和抗溶剂的混合物进料到允许成核开始的成核区域(6)中; C。 允许在成核区域中形成的核生长成体积加权平均直径不超过50μm,优选不大于7μm的颗粒。 天。 收集颗粒并将其与抗溶剂分离。