CN102119922A - 以酸作为增溶剂的21(s)阿加曲班静脉注射液 - Google Patents
以酸作为增溶剂的21(s)阿加曲班静脉注射液 Download PDFInfo
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- argatroban
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- KXNPVXPOPUZYGB-XYVMCAHJSA-N argatroban Chemical compound OC(=O)[C@H]1C[C@H](C)CCN1C(=O)[C@H](CCCN=C(N)N)NS(=O)(=O)C1=CC=CC2=C1NC[C@H](C)C2 KXNPVXPOPUZYGB-XYVMCAHJSA-N 0.000 title claims abstract description 50
- 229960003856 argatroban Drugs 0.000 title claims abstract description 47
- 239000002253 acid Substances 0.000 title claims abstract description 21
- 239000002904 solvent Substances 0.000 title claims abstract description 16
- 238000010253 intravenous injection Methods 0.000 title abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 239000003978 infusion fluid Substances 0.000 claims description 28
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 26
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 14
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 230000000065 osmolyte Effects 0.000 claims description 13
- 235000011007 phosphoric acid Nutrition 0.000 claims description 13
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 239000011780 sodium chloride Substances 0.000 claims description 7
- 235000002639 sodium chloride Nutrition 0.000 claims description 7
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 claims description 6
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 6
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 6
- 150000007522 mineralic acids Chemical class 0.000 claims description 6
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- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 claims description 4
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 claims description 4
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
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- 239000008103 glucose Substances 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- CYDQOEWLBCCFJZ-UHFFFAOYSA-N 4-(4-fluorophenyl)oxane-4-carboxylic acid Chemical compound C=1C=C(F)C=CC=1C1(C(=O)O)CCOCC1 CYDQOEWLBCCFJZ-UHFFFAOYSA-N 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- 239000005711 Benzoic acid Substances 0.000 claims description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 2
- ACTIUHUUMQJHFO-UHFFFAOYSA-N Coenzym Q10 Natural products COC1=C(OC)C(=O)C(CC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)C)=C(C)C1=O ACTIUHUUMQJHFO-UHFFFAOYSA-N 0.000 claims description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-M D-gluconate Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O RGHNJXZEOKUKBD-SQOUGZDYSA-M 0.000 claims description 2
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- 239000004471 Glycine Substances 0.000 claims description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 2
- 229940022663 acetate Drugs 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 229940050390 benzoate Drugs 0.000 claims description 2
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- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 235000011148 calcium chloride Nutrition 0.000 claims description 2
- ACTIUHUUMQJHFO-UPTCCGCDSA-N coenzyme Q10 Chemical compound COC1=C(OC)C(=O)C(C\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CCC=C(C)C)=C(C)C1=O ACTIUHUUMQJHFO-UPTCCGCDSA-N 0.000 claims description 2
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- 229930195712 glutamate Natural products 0.000 claims description 2
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- 229940049920 malate Drugs 0.000 claims description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 2
- 239000011976 maleic acid Substances 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
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- 239000001103 potassium chloride Substances 0.000 claims description 2
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- 239000001540 sodium lactate Substances 0.000 claims description 2
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- 159000000000 sodium salts Chemical class 0.000 claims description 2
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 2
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- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 4
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- KXNPVXPOPUZYGB-IOVMHBDKSA-N (2R,4R)-1-[(2S)-5-(diaminomethylideneamino)-2-[(3-methyl-1,2,3,4-tetrahydroquinolin-8-yl)sulfonylamino]-1-oxopentyl]-4-methyl-2-piperidinecarboxylic acid Chemical compound OC(=O)[C@H]1C[C@H](C)CCN1C(=O)[C@H](CCCN=C(N)N)NS(=O)(=O)C1=CC=CC2=C1NCC(C)C2 KXNPVXPOPUZYGB-IOVMHBDKSA-N 0.000 description 2
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Abstract
一种以酸作为增溶剂的21(S)阿加曲班静脉注射液。其是利用酸来增加21(S)阿加曲班的溶解性,利用缓冲剂来维持pH,同时利用渗透调节剂增强输注特性。经测试,本静脉注射液能够有效地避免水解降解及其它化学反应,并且在光和热条件下储存稳定,室温下保存至少24个月。
Description
技术领域
本发明属于医药领域,特别是涉及一种以酸作为增溶剂的凝血酶抑制剂。
背景技术
阿加曲班作为一种凝血酶抑制剂已广泛应用于临床,其化学名称为(2R,4R)-4-甲基-1-[N2-((R,S)-3-甲基-1,2,3,4-四氢-8-喹啉磺酰基)-L-精氨酰基]-2-哌啶甲酸-水合物[141396-28-3]。临床上使用的阿加曲班为21(S)和21(R)两个非对映异构体的混合物,药品标准规定两者的比例为65∶35±2,该药物的化学结构式如下:
X=CH3,Y=H,21(S)阿加曲班
X=H,Y=CH3,21(R)阿加曲班
其中21(S)阿加曲班的化学名称为(2R,4R)-4-甲基-1-[N2-[(S)-3-甲基-1,2,3,4-四氢-8-喹啉磺酰基]-L-精氨酰基]-2-哌啶甲酸[121785-72-6]。经初步动物实验证明,21(S)阿加曲班抑制凝血酶的活性是21(R)阿加曲班的3-5倍,并且高于临床用阿加曲班[CN101032485]的活性。用高活性单一成分光学活体作为药物来替代消旋体或非对映异构体的混合物,可以提高疗效,降低用量,以减轻对人体的副作用,这是新药开发的一个发展趋势,因此21(S)阿加曲班有望作为一种新的凝血酶抑制剂而应用于临床。
由于21(S)阿加曲班在水中的溶解度小于0.04mg/mL,因此按照美国药典的溶质分类属于极微溶解,而且对光照和热极不稳定,因此,研究21(S)阿加曲班的制剂,并将其成功用于临床具有非常重要的意义。
发明内容
为了解决上述问题,本发明的目的在于提供一种溶解性好,并且在光和热条件下储存稳定的以酸作为增溶剂的21(S)阿加曲班静脉注射液。
为了达到上述目的,本发明提供的以酸作为增溶剂的21(S)阿加曲班静脉注射液包括21(S)阿加曲班和有机或无机酸;阿加曲班和有机或无机酸的用量比为0.1-10g∶0.5-50g;有机或无机酸选自乙酸、磷酸、酒石酸、柠檬酸、甲酸、盐酸、马来酸、硝酸、硫酸和苹果酸中的至少一种。
所述的以酸作为增溶剂的21(S)阿加曲班静脉注射液还包括缓冲剂,21(S)阿加曲班和缓冲剂的用量比为0.1-10g∶0.05-200mg;缓冲剂选自乙酸盐、酒石酸盐、苯甲酸盐、葡萄糖酸盐、磷酸盐、谷氨酸盐、柠檬酸盐、乳酸盐、甘氨酸和苹果酸盐中的至少一种。
所述的缓冲剂为乙酸、酒石酸、苯甲酸、葡萄糖酸、磷酸、谷氨酸、柠檬酸、乳酸、甘氨和苹果酸的钠盐。
所述的以酸作为增溶剂的21(S)阿加曲班静脉注射液还包括渗透调节剂,21(S)阿加曲班和渗透调节剂的用量比为0.1-10g∶1-100g;渗透调节剂选自氯化钠、氯化钙、氯化钾、葡萄糖、辅酶Q10氯化钠和乳酸钠中的至少一种。
所述的以酸作为增溶剂的21(S)阿加曲班静脉注射液还包括用于调节pH的氢氧化钠或酸。
本发明提供的以酸作为增溶剂的21(S)阿加曲班静脉注射液是利用酸来增加21(S)阿加曲班的溶解性,利用缓冲剂来维持pH,同时利用渗透调节剂增强输注特性。经测试,本静脉注射液能够有效地避免水解降解及其它化学反应,并且在光和热条件下储存稳定,室温下保存至少24个月。
具体实施方式
下面结合具体实施例对本发明提供的以酸作为增溶剂的21(S)阿加曲班静脉注射液进行详细说明。
实施例1
21(s)阿加曲班 10mg
盐酸,USP 0.33mg
NaCl,USP渗透调节剂 0.6g
盐酸或NaOH 按需调节pH
注射用水,USP 适量
实施例2
21(s)阿加曲班 10mg
磷酸,USP 0.33mg
磷酸钠,缓冲剂 2.8mg
磷酸或NaOH 按需调节pH
注射用水,USP 适量
实施例3
21(s)阿加曲班 10mg
柠檬酸,USP 0.33mg
柠檬酸钠,缓冲剂 1.8mg
乙酸或NaOH 按需调节pH
注射用水,USP 适量
实施例4
21(s)阿加曲班 10mg
酒石酸,USP 0.33mg
酒石酸钠,缓冲剂 0.6mg
酒石酸或NaOH 按需调节pH
注射用水,USP 适量
实施例5
21(s)阿加曲班 10mg
磷酸,USP 0.33mg
磷酸钠,USP 2.8mg
葡萄糖,USP渗透调节剂 50mg
磷酸或NaOH 按需调节pH
注射用水,USP 适量
实施例6
21(s)阿加曲班 10mg
磷酸,USP 0.33mg
磷酸钠 2.8mg
NaCl,USP渗透调节剂 0.6mg
磷酸或NaOH 按需调节pH
注射用水,USP 适量
实施例7
21(s)阿加曲班 20mg
磷酸,USP 0.33mg
磷酸钠 2.8mg
NaCl,USP渗透调节剂 0.6mg
磷酸或NaOH 按需调节pH
注射用水,USP 适量
制备方法:
将混合、过滤和填充用的设备及玻璃器皿彻底洗涤并除热原,将过滤器组件、填充管组件和其他部件及设备灭菌。
在刻度混合槽内加入最终体积80%的冷注射用水。在槽中加入渗透调节剂,搅拌溶液直至渗透调节剂溶解。然后向槽中加入缓冲剂,搅拌直至全部溶解。加注射用水至槽最终体积的90%,混合。在另一个容器中加入21(s)阿加曲班,用所需的酸将其溶解后,加入2L的水,以制备21(S)阿加曲班的浆态溶液。然后将该浆液加至上述混合槽中,并混合均匀。接着,如果有必要,用1N的氢氧化钠或者磷酸调节溶液pH值至5.5,在溶液国加注射用水至最终体积,混合。
然后将溶液装入250ml非PVC柔性袋(Intra Via柔性塑料容器,PL2408-3非PVC多层塑料薄膜),带有一个标准PL141PVC蓝色顶端封闭装置(blue-tip closure)(给药口保护器),将这些袋密封在铝箔袋中。然后将产品装入高压灭菌器,在121℃灭菌20min。
现对上述实施例中制备出的21(s)阿加曲班注射液进行加速降解实验,以预测产品在水性介质中的稳定性。将该注射液样品分别置于25℃、40℃和55℃(避光)的温度下贮存6个月,然后测定其外观性状、pH、不溶性微粒及含量。其中21(s)阿加曲班注射液的含量使用高相液相(HPLC)法测定。由测定结果可知,本注射液的pH在5.0±0.5的范围内时稳定性最好;在40℃时,贮存期间内总降解产物小于1%。在25℃的温度下贮存时间不少于24个月。
为了进一步验证本发明提供的21(S)阿加曲班静脉注射液的药效,本发明申请人采用比格犬进行了药效学试验,以观察由上述实施例制备出的21(s)阿加曲班静脉注射液(S体)静脉注射后对犬凝血相关指标的影响,同时以相同条件下制备出的21(R)阿加曲班静脉注射液(R体)和空白样作为对比例,以期筛选有效的药物成分,为临床用药提供参考。实验过程如下:
每只动物给药前取血测定全血凝固时间(CT)、复钙时间(RT)、白陶土部分凝血活酶时间(APTT)、凝血酶原时间(PT)、凝血酶时间(TT)、血小板粘附率、血小板聚集率等指标作为药前值,测定完毕,每组动物按10ml/kg体积给予相应的药物溶液,每天一次,连续3天,第三天给药后15分钟取血测以上凝血相关指标。
全血凝固时间的测定方法:取试管3个,标号为1、2、3号。用一次性无菌注射器顺利地抽取犬静脉血3ml,自血流入针头开始计时,去针头后沿管壁每管缓慢注入血液1ml,置37℃水浴中。每隔一定时间将第一管倾斜1次,直至将试管倒置血液不流动为止;再依次观察第二管,第二管凝固后,再观察第三管。以第三管凝固时间为凝血时间。
复钙时间测定方法:取枸缘酸钠抗凝血1ml,离心取血浆0.2ml,加入0.025mol/L的氯化钙溶液0.2ml,混匀后置于37℃水浴,从加钙起计时,直至凝固的时间为复钙时间。
其它测试采用仪器测定。
数据统计及结果判定:
*P<0.05 **P<0.01与空白对照组比较
对比正常对照组,S体和R体均能明显延长全血凝固时间(CT),其中S体的作用效果约为R体的两倍。
*P<0.05 **P<0.01与空白对照组比较
对比正常对照组,S体和R体均能明显延长复钙时间(RT),其中S体的作用效果约为R体的三倍。
P>0.05与空白对照组比较
R体和S体对血小板粘附率都有一定的降低作用,但与空白对照组比较,无显著性差异(P>0.05)。
P>0.05与空白对照组比较
R体和S体对血小板聚集率都有一定的降低作用,但与空白对照组比较,无显著性差异(P>0.05)。
*P<0.05 **P<0.01与空白对照组比较
S体能明显延长犬凝血酶原时间(PT),与空白对照组比较,有显著性差异(P<0.05或P<0.01);R体亦有一定的作用,但与对照组比较无显著性差异(P>0.05)。S体的作用效果约为R体的两倍。
*P<0.05 **P<0.01与空白对照组比较
R体和S体均都能明显延长犬凝血酶时间(TT),与空白对照组比较,有显著性差异(P<0.01),其中S体的作用效果略强于R体。
*P<0.05 **P<0.01与空白对照组比较
S体能明显延长犬白陶土部分凝血活酶时间(APTT),与空白对照组比较,有显著性差异(P<0.05);R体亦有一定的作用,但与对照组比较无显著性差异(P>0.05)。S体的作用效果约为R体的两倍。
结论:
试验结果表明:阿加曲班S体和R体均能明显延长犬全血凝固时间(CT)、复钙时间(RT)和凝血酶时间(TT);S体能明显延长犬凝血酶原时间(PT)和白陶土部分凝血活酶时间(APTT),而R体对延长凝血酶原时间(PT)和白陶土部分凝血活酶时间(APTT)作用不明显;S体和R体对降低血小板粘附率、血小板聚集率亦有一定的作用。综合评价,S体对犬的各个凝血指标均有明显的作用,而R体仅对部分凝血指标作用明显,S体的抗凝血作用约为R体的2-3倍。
Claims (5)
1.一种以酸作为增溶剂的21(S)阿加曲班静脉注射液,其特征在于:所述的静脉注射液包括21(S)阿加曲班和有机或无机酸;阿加曲班和有机或无机酸的用量比为0.1-10g∶0.5-50g;有机或无机酸选自乙酸、磷酸、酒石酸、柠檬酸、甲酸、盐酸、马来酸、硝酸、硫酸和苹果酸中的至少一种。
2.根据权利要求1所述的以酸作为增溶剂的21(S)阿加曲班静脉注射液,其特征在于:所述的静脉注射液还包括缓冲剂,21(S)阿加曲班和缓冲剂的用量比为0.1-10g∶0.05-200mg;缓冲剂选自乙酸盐、酒石酸盐、苯甲酸盐、葡萄糖酸盐、磷酸盐、谷氨酸盐、柠檬酸盐、乳酸盐、甘氨酸和苹果酸盐中的至少一种。
3.根据权利要求2所述的以酸作为增溶剂的21(S)阿加曲班静脉注射液,其特征在于:所述的缓冲剂为乙酸、酒石酸、苯甲酸、葡萄糖酸、磷酸、谷氨酸、柠檬酸、乳酸、甘氨和苹果酸的钠盐。
4.根据权利要求1所述的以酸作为增溶剂的21(S)阿加曲班静脉注射液,其特征在于:所述的静脉注射液还包括渗透调节剂,21(S)阿加曲班和渗透调节剂的用量比为0.1-10g∶1-100g;渗透调节剂选自氯化钠、氯化钙、氯化钾、葡萄糖、辅酶Q10氯化钠和乳酸钠中的至少一种。
5.根据权利要求1所述的以酸作为增溶剂的21(S)阿加曲班静脉注射液,其特征在于:所述的静脉注射液还包括用于调节pH的氢氧化钠或酸。
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| CN101257890A (zh) * | 2005-09-01 | 2008-09-03 | 巴克斯特国际公司 | 含有酸作为增溶剂的阿加曲班制剂 |
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| CN101032485A (zh) * | 2007-04-13 | 2007-09-12 | 天津市炜杰科技有限公司 | 21(s)阿加曲班的应用 |
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