CN1177590C - 环磷酰胺包衣片剂 - Google Patents

环磷酰胺包衣片剂 Download PDF

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CN1177590C
CN1177590C CNB998074330A CN99807433A CN1177590C CN 1177590 C CN1177590 C CN 1177590C CN B998074330 A CNB998074330 A CN B998074330A CN 99807433 A CN99807433 A CN 99807433A CN 1177590 C CN1177590 C CN 1177590C
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cyclophosphamide
talcum
magnesium stearate
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corn starch
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CN1305381A (zh
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J·恩格尔
J·拉沃特
D·绍尔比尔
B·维彻特
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Asta Medica GmbH
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/66Phosphorus compounds
    • A61K31/675Phosphorus compounds having nitrogen as a ring hetero atom, e.g. pyridoxal phosphate
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    • A61K9/286Polysaccharides, e.g. gums; Cyclodextrin
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/28Dragees; Coated pills or tablets, e.g. with film or compression coating
    • A61K9/2806Coating materials
    • A61K9/2833Organic macromolecular compounds
    • A61K9/284Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone
    • A61K9/2846Poly(meth)acrylates
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents

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Abstract

本发明涉及以环磷酰胺作为活性化合物的包衣片剂,其中在片芯中包含环磷酰胺、一种或多种填充剂、一种或多种干燥粘合剂但不是预膨胀淀粉、流动调节剂和润滑剂。在本发明优选的实施方案中,该膜片剂的片芯包含乳糖一水合物、D-甘露醇或CaHPO4作为填充剂,非预膨胀玉米淀粉或超细纤维素作为干燥粘合剂,包含高分散二氧化硅作为流动调节剂,和硬脂酸镁、硬脂酸、棕榈酸硬脂酸甘油酯、聚乙二醇、滑石或单山萮酸甘油酯作为润滑剂。

Description

环磷酰胺包衣片剂
技术领域
本发明涉及环磷酰胺膜包衣片剂及其制备方法。本发明可用于药物工业。
背景技术
环磷酰胺是具有很广抗肿瘤谱的治疗剂,并且已在化疗中使用了几十年来治疗实体瘤例如乳腺癌、支气管癌和生血组织增殖。
迄今为止,已知的药物制剂是使用各种辅料例如甘露醇或尿素的片剂、包衣片剂、以及冻干制剂。
EP 0519099中描述了通过直接制片法制备的、包含环磷酰胺和预膨胀淀粉的片剂。
因为环磷酰胺有害健康,所以出于该原因,与环磷酰胺直接接触有潜在危险,依据EP 0519099制备的片剂是用作压制包衣片的片芯,并由此通过第二制片技术来包衣。该操作在技术上是复杂的。此外还需要特殊制片机械来制备压制包衣片剂。
因此需要简单且经济的制备包含环磷酰胺的口服固体药物剂型的方法。
其中需要考虑,为了防止与该细胞毒活性化合物直接接触,必须将药物剂型包衣。
此外还已知环磷酰胺在化学上是不稳定的,因此还必须考虑药物剂型的稳定性。
发明内容
令人惊奇的是,不使用预膨胀淀粉也能制备包含环磷酰胺的膜包衣片剂。
本发明涉及以环磷酰胺作为活性化合物的膜包衣片剂,其中在片芯中包含环磷酰胺,选自乳糖一水合物、D-甘露醇和CaHPO4的填充剂,选自非预膨胀玉米淀粉和超细纤维素的干燥粘合剂,以高分散二氧化硅作为流动调节剂,和选自硬脂酸镁、硬脂酸、棕榈酸硬脂酸甘油酯、聚乙二醇、滑石和单山萮酸甘油酯的润滑剂。
优选地,在片芯中包含的每份环磷酰胺与乳糖一水合物、超细纤维素、非预膨胀玉米淀粉、滑石、高分散二氧化硅和硬脂酸镁的比例如下:
乳糖一水合物      0.2-1.5,优选0.5-1,特别是0.73;
超细纤维素        0.2-1.5,优选0.5-1,特别是0.74;
非预膨胀玉米淀粉  0.1-1.5,优选0.2-0.7,特别是0.37;
滑石              0.01-1.5,优选0.05-0.08,特别是0.07;
高分散二氧化硅    0.01-0.1,优选0.01-0.5,特别是0.04;
硬脂酸镁          0.01-0.1,优选0.01-0.05,特别是0.03。
合适的辅料是以在实施例1中提及的相容性研究为基础选择的。在该研究中惊奇地发现,在预膨胀淀粉存在下、环磷酰胺的稳定性没有什么差异。
此外还令人惊奇的是,尽管由于制备操作,该活性化合物在包衣过程中受到水分和热的影响,但是膜包衣片剂成品仍具有足够的稳定性。
实施例1
研究环磷酰胺与不同制片辅料的相容性。
将53.5mg环磷酰胺与86.5mg(辅料1-10)或3.0mg(辅料11-18)混合并压片。将压制片在31℃贮存6个月。通过氯化物测定来评价活性化合物的降解。
所得结果总结在下表中。
 辅料功能     辅料     环磷酰胺降解     褪色
 填充剂     1     无水乳糖     2.52     ++
    2     磷酸钙     3.85     -
    3     无水磷酸钙     2.02     -
    4     Emcompress(CaHPO4)     1.50     -
    5     D-甘露醇     1.15     -
    6     乳糖一水合物     0.70     -
 填充剂/干燥粘合剂/崩解促进剂     7     微晶纤维素     1.50-1.73*     -
    8     纤维素(Elcema)     0.85-1.32*     -+
    9     预膨胀淀粉     1.02     -+
    10     玉米淀粉     0.75     -
 崩解促进剂     11     交联聚乙烯吡咯烷酮     1.5     ++
 流动调节剂     12     高分散二氧化硅     0.46-1.72*     -+
 流动调节剂/润滑剂     13     硬脂酸镁     1.51     -+
    14     硬脂酸     0.94     -+
    15     棕榈酸硬脂酸甘油酯     0.82     -
    16     聚乙二醇     0.68     -
    17     滑石粉     0.55     -
    18     单山萮酸甘油酯     0.30     -
*根据类型
实施例2
制备片剂的片芯(50mg环磷酰胺)
直接制片
将0.535mg环磷酰胺、0.390mg乳糖一水合物、0.400mg超细纤维素、0.200mg玉米淀粉、0.040mg滑石和0.020mg高分散二氧化硅过筛并均化。然后加入0.015mg硬脂酸镁并混合。将以这种方式制得的物质加工成片剂:
重量:    160mg
硬度:    >30N
崩解度:  <10分钟
实施例3
制备膜包衣片剂(50mg环磷酰胺)
将11.83g聚乙二醇和2.37g聚山梨酸酯80溶于75.21g水中。将1.9g羧甲基纤维素钠溶于80.0g水。把上述溶液混合。然后加入23.67g滑石、23.67g二氧化钛和0.24g二甲硅油(simeticone),将该混合物均化。然后加入17.73g 30%浓度的丙烯酸乙酯/异丁烯酸甲酯共聚物在水中的分散液。然后在适当装置中用所制得的悬浮液对片芯喷雾:
膜包衣片剂的理论重量:166mg
实施例4
确定环磷酰胺膜包衣片剂的稳定性
            3个月后环磷酰胺的降解
    26℃/60%RH     31℃/40%
    第1批     0.30     4.12
    第2批     0.17     2.36
预计在低于25℃条件下贮存时该膜包衣片剂的稳定性可最高达3年。

Claims (9)

1.以环磷酰胺作为活性化合物的膜包衣片剂,其中在片芯中包含环磷酰胺,选自乳糖一水合物、D-甘露醇和CaHPO4的填充剂,选自非预膨胀玉米淀粉和超细纤维素的干燥粘合剂,作为流动调节剂的高分散二氧化硅,和选自硬脂酸镁、硬脂酸、棕榈酸硬脂酸甘油酯、聚乙二醇、滑石和单山萮酸甘油酯的润滑剂。
2.权利要求1的膜包衣片剂,其中在片芯中包含的每份环磷酰胺与乳糖一水合物、超细纤维素、非预膨胀玉米淀粉、滑石、高分散二氧化硅和硬脂酸镁的比例如下:
乳糖一水合物        0.2-1.5;
超细纤维素          0.2-1.5;
非预膨胀玉米淀粉    0.1-1.5;
滑石                0.01-1.5;
高分散二氧化硅      0.01-0.1;
硬脂酸镁            0.01-0.1。
3.权利要求1的膜包衣片剂,其中在片芯中包含的每份环磷酰胺与乳糖一水合物、超细纤维素、非预膨胀玉米淀粉、滑石、高分散二氧化硅和硬脂酸镁的比例如下:
乳糖一水合物        0.5-1;
超细纤维素          0.5-1;
非预膨胀玉米淀粉    0.2-0.7;
滑石                0.05-0.08;
高分散二氧化硅      0.01-0.5;
硬脂酸镁            0.01-0.05。
4.权利要求3的膜包衣片剂,其中在片芯中包含的每份环磷酰胺与乳糖一水合物、超细纤维素、非预膨胀玉米淀粉、滑石、高分散二氧化硅和硬脂酸镁的比例如下:
乳糖一水合物        0.73;
超细纤维素            0.74;
非预膨胀玉米淀粉      0.37;
滑                    0.07;
高分散二氧化硅        0.04;
硬脂酸镁              0.03。
5.权利要求1的膜包衣片剂,其中在片芯中包含53.5mg环磷酰胺、39.0mg乳糖一水合物、20.0mg非预膨胀玉米淀粉、40.0mg超细纤维素、2.0mg高分散二氧化硅、4.0mg滑石和1.5mg硬脂酸镁。
6.一种制备适合于膜包衣的片芯的方法,其中将环磷酰胺、乳糖一水合物、超细纤维素、非预膨胀玉米淀粉、滑石和高分散二氧化硅过筛并均化,然后加入硬脂酸镁并混合,将以这种方式得到的物质加工成片芯,其中在片芯中包含53.5mg环磷酰胺、39.0mg乳糖一水合物、20.0mg非预膨胀玉米淀粉、40.0mg超细纤维素、2.0mg高分散二氧化硅、4.0mg滑石和1.5mg硬脂酸镁。
7.按照权利要求6的方法获得的片芯。
8.一种制备膜包衣片剂的方法,其中用下列悬浮液对按权利要求6的方法制备的片芯喷雾,所述悬浮液是如此获得的:
将11.83g聚乙二醇和2.37g聚山梨酸酯80溶于75.21g水中,将1.9g羧甲基纤维素钠溶于80.0g水,把上述溶液混合,然后加入23.67g滑石、23.67g二氧化钛和0.24g二甲硅油,将该混合物均化,然后加入17.73g 30%浓度的丙烯酸乙酯/异丁烯酸甲酯共聚物在水中的分散液。
9.按照权利要求8的方法获得的膜包衣片剂。
CNB998074330A 1998-06-15 1999-06-08 环磷酰胺包衣片剂 Expired - Fee Related CN1177590C (zh)

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DE19826517A DE19826517B4 (de) 1998-06-15 1998-06-15 Verfahren zur Herstellung von Filmtabletten mit Cyclophosphamid als Wirkstoff und daraus hergestellte Cyclophosphamid-Filmtablette
DE19826517.4 1998-06-15

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AR019670A1 (es) 2002-03-13
ATE310523T1 (de) 2005-12-15
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EP1089739A1 (de) 2001-04-11
AU771284B2 (en) 2004-03-18
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US20010046504A1 (en) 2001-11-29
DE19826517B4 (de) 2006-03-23
NO20006325L (no) 2000-12-12
BR9911276A (pt) 2001-10-23
CZ302157B6 (cs) 2010-11-18
PL193398B1 (pl) 2007-02-28
BG65253B1 (bg) 2007-10-31
CZ20004489A3 (cs) 2001-08-15
WO1999065499A1 (de) 1999-12-23
HK1037959A1 (en) 2002-03-01
AU4508599A (en) 2000-01-05
PL344832A1 (en) 2001-11-19
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JP2002518334A (ja) 2002-06-25
KR20010052819A (ko) 2001-06-25
HUP0102788A2 (hu) 2002-03-28
EP1089739B1 (de) 2005-11-23
ZA200006998B (en) 2001-11-20
CO5070588A1 (es) 2001-08-28
CN1305381A (zh) 2001-07-25
UA75566C2 (en) 2006-05-15
BG105139A (en) 2001-07-31
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RU2236231C2 (ru) 2004-09-20
JP4891478B2 (ja) 2012-03-07

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