WO2012013117A1 - 含维生素c或其衍生物的替莫唑胺药物组合物及其制备方法 - Google Patents

含维生素c或其衍生物的替莫唑胺药物组合物及其制备方法 Download PDF

Info

Publication number
WO2012013117A1
WO2012013117A1 PCT/CN2011/077095 CN2011077095W WO2012013117A1 WO 2012013117 A1 WO2012013117 A1 WO 2012013117A1 CN 2011077095 W CN2011077095 W CN 2011077095W WO 2012013117 A1 WO2012013117 A1 WO 2012013117A1
Authority
WO
WIPO (PCT)
Prior art keywords
temozolomide
pharmaceutical composition
vitamin
pharmaceutically acceptable
acceptable salt
Prior art date
Application number
PCT/CN2011/077095
Other languages
English (en)
French (fr)
Inventor
孙飘扬
张辉
吴玉霞
Original Assignee
江苏恒瑞医药股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏恒瑞医药股份有限公司 filed Critical 江苏恒瑞医药股份有限公司
Priority to CN2011800037655A priority Critical patent/CN102481287B/zh
Priority to TW100141217A priority patent/TWI619716B/zh
Publication of WO2012013117A1 publication Critical patent/WO2012013117A1/zh

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/19Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles lyophilised, i.e. freeze-dried, solutions or dispersions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/20Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing sulfur, e.g. dimethyl sulfoxide [DMSO], docusate, sodium lauryl sulfate or aminosulfonic acids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0012Galenical forms characterised by the site of application
    • A61K9/0019Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents

Definitions

  • Temozolomide pharmaceutical composition containing vitamin C or its derivative and preparation method thereof
  • the present invention relates to a stable temozolomide pharmaceutical composition
  • a stable temozolomide pharmaceutical composition comprising the antitumor drug temozolomide or a pharmaceutically acceptable salt thereof, vitamin c or a derivative thereof or a pharmaceutically acceptable salt thereof.
  • the domestic temozolomide market preparation is a hard capsule.
  • the oral preparation is convenient to use, and can be completely absorbed after oral administration.
  • the bioavailability is as high as 98%.
  • the main side effects are nausea, vomiting, fatigue, constipation and mild myelosuppression, among which severe nausea, Side effects such as vomiting are common. This often causes fluctuations in drug absorption, which affects bioavailability.
  • Some patients have nausea and vomiting reactions that are too severe to be administered orally, and many patients in the clinic have difficulty swallowing and cannot be administered orally.
  • temozolomide preparations that can be administered intravenously.
  • temozolomide is stable at pH ⁇ 7, and easily decomposes at pH>7.
  • Temozolomide is a prodrug and is easily degraded into an active product in aqueous solution. Preparation of a conventional intravenous solution does not guarantee long-term stability.
  • temozolomide formulation administered in a micronized suspension is disclosed in U.S. Patent No. 6,251,886, however, suspension formulations are not preferred and can cause vascular occlusion.
  • suspension formulations are not preferred and can cause vascular occlusion.
  • temozolomide in aqueous solution it is prepared by freeze-drying and solidification to prepare a sterile lyophilized powder. It is reconstituted with an aqueous diluent for injection before use to obtain a temozolomide injection which can be administered parenterally. , will be A good strategy.
  • U.S. Patent No. 6,987,108 discloses a lyophilized powder injection of temozolomide for intravenous administration of temozolomide.
  • concentration of temozolomide before lyophilization was 2.5 mg/mL, and the concentration was too low, which caused the volume to be too large before lyophilization, which was not conducive to the preparation of the preparation. Therefore, there is a need to develop a technique and a preparation thereof which are capable of ensuring the parenteral administration of temozolomide, which is stable and capable of increasing the solubility of temozolomide. Summary of the invention
  • a primary object of the present invention is to provide a stable temozolomide pharmaceutical composition in which temozolomide is well soluble and a method of preparing the composition.
  • the inventors found through research that vitamin C and its derivatives have an effect of improving the solubility of temozolomide.
  • the present invention provides a pharmaceutical composition comprising temozolomide or a pharmaceutically acceptable salt thereof, and at least one vitamin C or a derivative thereof or a pharmaceutically acceptable salt thereof.
  • Vitamin C or derivatives thereof useful in the present invention include various ester or structural modifications of vitamin C, such as phosphates, palmitates, gluconates, etc., and pharmaceutically acceptable salts of vitamin C include various metal salts such as VC. Sodium, VC calcium, VC phosphate sodium, and the like.
  • Vitamin C or a derivative thereof or a pharmaceutically acceptable salt thereof which is preferably used in the present invention is vitamin C.
  • composition of the present invention further comprises at least one aqueous diluent.
  • the pharmaceutical composition of the present invention is preferably an injectable parenteral pharmaceutical preparation, more preferably the composition is in the form of a lyophilized powder.
  • the addition of the vitamin C of the present invention or its derivative may have an effect of improving the solubility of temozolomide, and the amount thereof is not particularly limited.
  • the weight ratio of vitamin C to temozolomide is 0.5.
  • the salt content in the total weight of the pharmaceutical composition on acceptable vitamin C or a derivative thereof or a pharmaceutically was 10wt% -80wt%, preferably 25wt% -65wt%; pharmaceutical composition
  • the total weight of the temozolomide or a pharmaceutically acceptable salt thereof is from 5 wt% to 60 wt%, preferably from 10 wt% to 30 wt%.
  • the pharmaceutical composition of the present invention may comprise one or more of an excipient, a wetting agent, a pH adjuster or a buffer, preferably the excipient is mannitol; the wetting agent is a polysorbate, Preferably, the polysorbate 80; the pH adjuster is hydrochloric acid; and the buffer is selected from the group consisting of sodium citrate, acetic acid and acetate.
  • the present invention also provides a method of preparing a pharmaceutical composition.
  • the preparation method comprises the step of uniformly mixing temozolomide or a pharmaceutically acceptable salt thereof with at least one vitamin C or a derivative thereof or a pharmaceutically acceptable salt thereof.
  • the preparation method of the present invention comprises the following steps:
  • Temozolomide or a pharmaceutically acceptable salt thereof is dissolved in the above solution.
  • the above preparation method specifically includes the following steps:
  • the pH is from 2.0 to 6.0, more preferably from 2.5 to 5, most preferably from 3 to 4.5;
  • the aqueous diluent used in the above preparation method is selected from the group consisting of water, physiological saline, 5% dextrose solution or a mixture thereof.
  • the pharmaceutical composition of the present invention can be further prepared into a lyophilized powder preparation, and a mixed solution of temozolomide or a pharmaceutically acceptable salt thereof and vitamin C or a derivative thereof or a pharmaceutically acceptable salt thereof is freeze-dried.
  • the effect of amine solubility which is unexpected to those skilled in the art.
  • the pharmaceutical composition further comprises at least one wetting agent.
  • the wetting agent is selected from the group consisting of polysorbate, polyoxyethylene castor oil, polyoxyethylene hydrogenated castor oil, bile salt, lecithin, polyethylene glycol or a mixture thereof, preferably polysorbate, most preferably It is a polysorbate-80.
  • the pharmaceutical composition further comprises at least one buffer.
  • the buffering agent is selected from the group consisting of citrate, lactate, acetate, tartrate, succinate, phosphate or mixtures thereof, preferably selected from the group consisting of citrate, acetate, phosphate or The mixture is most preferably acetate or citrate.
  • the pharmaceutical composition further comprises at least one pH adjusting agent.
  • the pH adjusting agent is selected from the group consisting of hydrochloric acid, sodium hydroxide, citric acid, phosphoric acid, lactic acid, tartaric acid, succinic acid or a mixture thereof, preferably hydrochloric acid or acetic acid.
  • the present invention is prepared as a solution preparation, and in particular, when the preparation is injected, the pH of the solution is from 2.0 to 6.0, more preferably from 2.5 to 5, most preferably from 3 to 4.5.
  • percent by weight (wt%) used in the present invention is calculated on the basis of the total weight of the pharmaceutical composition.
  • the present invention can increase the dissolution rate and solubility of temozolomide by the addition of vitamin C and/or its derivative, thereby enabling the volume of the solution to be reduced before lyophilization.
  • the invention improves the solubility of temozolomide due to poor water solubility, difficulty in being wetted by water by the addition of a wetting agent, increases the dissolution rate of temozolomide, reduces the preparation time of the whole solution, and reduces the time of degradation of temozolomide in solution. Thereby reducing the degradation of temozolomide.
  • the pharmaceutical composition of the present invention When the pharmaceutical composition of the present invention is prepared into a lyophilized preparation, the final formability of the temozolomide lyophilized powder injection is ensured by the addition of the excipient, and the protective support of the excipient is provided to reconstitute the temozolomide freeze-dried powder injection. The time for preparations suitable for administration to patients is greatly reduced.
  • the excipient When the excipient is used in a pharmaceutical formulation, it may be in a pharmaceutical formulation at a wt% of the total weight of the formulation of from 5 wt% to 80 wt%.
  • the addition of a buffering agent and a conventional pH adjusting agent in the present invention ensures that temozolomide reduces its degradation rate in a relatively low pH environment and a certain buffer system in a solution state.
  • the buffer when used in a pharmaceutical preparation, it may be in a pharmaceutical preparation at a wt% of 5 wt% to 60 wt%, based on the total weight of the preparation.
  • a conventional pH adjusting agent when used in a pharmaceutical preparation, it is used as a total weight of the preparation in the pharmaceutical preparation.
  • the wt% can be from 0.1 wt% to 20 wt%.
  • the invention can reduce the degradation rate of temozolomide, especially the degradation rate in the dissolution process and the solution state, thereby ensuring that temozolomide can be kept stable in a solution state for a long time, thereby facilitating preparation of temozolomide into various preparations, and industrialization is easy. Production.
  • the temperature should be appropriately controlled during the preparation of the chemical solution to reduce the degradation of temozolomide.
  • the pharmaceutical preparation of the present invention is usually obtained by the following steps:
  • aqueous diluent is about 90% of the prescription amount, water temperature Controlled at 0-60 °C.
  • a solution of 5.0 mg/mL of temozolomide was prepared according to Example 6, 7 to obtain a clear clear solution, and the prescribed amount of temozolomide bulk drug was completely dissolved.
  • Vitamin C has a significant ability to increase the solubility of temozolomide, and it has been found that even if the amount of L-threonine in Comparative Example 3 is increased, the effect on the solubility of the drug is limited.
  • a solution of temozolomide was prepared according to the formulation of Example 3, and the prepared solution was freeze-dried to prepare a temozolomide freeze-dried powder injection.
  • the prepared temozolomide lyophilized powder injection was taken at 2-8 ° C for investigation.
  • vitamin C can increase the solubility of temozolomide under the premise of ensuring the stability of the obtained lyophilized powder, which is of great significance for the preparation of temozolomide preparation.

Description

含维生素 C或其衍生物的替莫唑胺药物组合物及其制备方法 技术领域
本发明涉及一种稳定的替莫唑胺药物组合物, 其由包含抗肿瘤药 替莫唑胺或其可药用盐、 维生素 c或其衍生物或它们的药学上可接受 的盐。 背景技术
替莫唑胺(temozolomide)化学名: 3,4-二氢 -3-甲基 -4-氧代咪唑并 [5,l-d]-l,2,3,5-四嗪 -8-酰胺,为咪唑并四嗪类具有抗肿瘤活性的垸化剂, 由先灵葆雅公司开发。替莫唑胺适用于新诊断的多形性胶质母细胞瘤, 开始先与放疗联合治疗, 随后作为辅助治疗; 替莫唑胺还适用于常规 治疗后复发或进展的多形性胶质母细胞瘤或间变性星形细胞瘤。 1998 年替莫唑胺胶囊在欧盟首先上市, 随后 1999年经美国 FDA批准在美国 上市。 替莫唑胺是目前治疗恶性脑瘤的一线药物, 被美国与欧洲医学 界评定为治疗恶性脑瘤的"金标准"。
目前国内替莫唑胺上市制剂为硬胶囊, 口服制剂使用方便, 口服 后可被完全吸收, 生物利用度高达 98%, 主要的副作用为恶心、 呕吐、 乏力、 便秘和轻度的骨髓抑制, 其中重度恶心、 呕吐等副反应常见。 这常常造成药物吸收的波动, 从而影响生物利用度。 一些患者恶心、 呕吐反应过于严重而难以通过口服给药, 并且在临床上有很多患者吞 咽困难, 不能通过口服给药, 临床急需能够静脉给药的替莫唑胺制剂。 但是替莫唑胺在 pH<7下稳定, pH>7时易分解,替莫唑胺作为前体药物, 在水溶液中易降解为活性产物, 制备成为常规的静脉注射液不能保证 长期稳定性。
为实现替莫唑胺的非胃肠道给药,美国专利 US6251886中公开了一 种以微粒化的悬浮液给药的替莫唑胺制剂, 但是, 悬浮制剂并不理想, 它可以导致血管堵塞。 考虑到替莫唑胺在水溶液中不稳定的特性, 因 此将其通过冷冻干燥固化而制备成为无菌冻干粉临用前将其使用注射 用的水性稀释剂重建得到能够非胃肠道给药的替莫唑胺注射剂, 将是 一个很好的策略。
此外, 美国专利 US6987108公开了一种替莫唑胺的冻干粉针剂,用 于替莫唑胺的静脉注射给药。 但是其替莫唑胺的冻干前溶液浓度为 2.5mg/mL, 浓度过低, 这就导致其冻干前体积过大, 不利于制剂的制 备。 因此需要研究开发一种能够保证替莫唑胺非胃肠道给药, 稳定的 并且能够增加替莫唑胺溶解度的技术及其制剂。 发明内容
本发明的主要目的是提供一种稳定的替莫唑胺药物组合物, 在其 中替莫唑胺能够很好的溶解, 以及该组合物的制备方法。 发明人通过 研究发现维生素 C及其衍生物有改善替莫唑胺溶解性的作用。
本发明提供一种药物组合物, 其特征在于包含替莫唑胺或其药学 上可接受的盐, 以及至少一种维生素 C或其衍生物或它们的药学上可 接受的盐。 可用于本发明的维生素 C或其衍生物包括维生素 C的各种 酯或结构修饰物, 例如磷酸酯、 棕榈酸酯、 葡萄糖化物等, 维生素 c 的可药用盐包括各种金属盐, 例如 VC钠、 VC钙、 VC磷酸酯钠等。
优选应用于本发明的维生素 C或其衍生物或它们的可药用盐是维 生素 c。
进一步, 本发明的药物组合物还包含至少一种水性稀释剂。
本发明的药物组合物优选是可注射的胃肠外用药物制剂, 更优选 所述组合物是冻干粉形式。
本领域技术人员可以认识到, 只要添加本发明的维生素 C或其衍 生物就会对替莫唑胺有提高溶解性的作用, 其用量没有特别限制。 优 选的药物组合物中, 以替莫唑胺或其药学上可接受的盐以替莫唑胺计, 维生素 C或其衍生物或它们的药学上可接受的盐以维生素 C计, 维生 素 C与替莫唑胺的重量比为 0.5-10: 1 ; 优选重量比为 1-5: 1 ; 更优选重 量比为 2: 1。
在本发明的药物组合物中, 以药物组合物总重量计维生素 C或其 衍生物或它们的药学上可接受的盐的含量为 10wt%-80wt%, 优选 25wt%-65wt%; 以药物组合物总重量计替莫唑胺或其药学上可接受的 盐含量为 5wt%-60wt%, 优选 10wt%-30wt%。 本发明的药物组合物可以包含赋形剂、 润湿剂、 pH调节剂或缓冲 剂中的一种或多种, 优选赋形剂为甘露醇; 所述的润湿剂为聚山梨醇 酯, 优选为聚山梨醇酯 80; 所述的 pH调节剂为盐酸; 所述的缓冲剂 选自枸橼酸钠、 醋酸和醋酸盐。
本发明提供了以下两种具体实施方式, 药物组合物含有以下重量 比的组分, 或由以下重量比的组分组成:
以替莫唑胺计的替莫唑胺或其盐 5份
维生素 C 10份
聚山梨酯 80 3份
甘露醇 6份
另外, 本发明还提供了药物组合物的制备方法。 所述的制备方法 包括将替莫唑胺或其可药用盐与至少一种维生素 C或其衍生物或它们 的药学上可接受的盐均匀混合的步骤。
具体的, 本发明的制备方法包括下列步骤:
1 )将至少一种维生素 C或其衍生物或它们的药学上可接受的盐溶 解在水性稀释剂中形成溶液, 优选溶液温度控制在 0-60 °C ;
2 ) 将替莫唑胺或其药学上可接受的盐加入上述溶液中溶解。
上述制备方法, 具体包括以下步骤:
1 ) 称取处方量的维生素 C 或其衍生物或它们的药学上可接受的 盐, 以及任选的润湿剂、 赋形剂或缓冲剂, 搅拌溶解在水性稀释剂中;
2 )称取处方量的替莫唑胺或其可药用盐,搅拌溶解在上述溶液中, 使用 pH调节剂对溶液 pH值进行调整;
优选 pH为 2.0至 6.0, 更优选为 2.5至 5, 最优选为 3至 4.5;
3 ) 加入水性稀释剂至最终体积, 搅拌均匀。
上述制备方法中所使用的水性稀释剂选自水、 生理盐水、 5%的右 旋糖溶液或它们的混合物。
制备本发明的药物组合物, 可以进一步制备成冻干粉制剂, 将替 莫唑胺或其可药用盐和维生素 C或其衍生物或它们的药学上可接受的 盐的混合溶液进行冷冻干燥。
发明人在研究中发现在替莫唑胺组合物中加入维生素 C后, 在保 证最终制备得到的替莫唑胺冻干粉的稳定的情况下, 具有增加替莫唑 胺溶解度的作用, 这是本领域的技术人员预料不到的。
在本发明的另一个具体实施方案中, 所述的药物组合物还包含至 少一种润湿剂。 所述的润湿剂选自聚山梨醇酯、 聚氧乙烯蓖麻油、 聚 氧乙烯氢化蓖麻油、 胆汁盐、 卵磷脂、 聚乙二醇或它们的混合物, 优 选为聚山梨醇酯, 最优选为聚山梨醇酯 -80。
在本发明的另一个具体实施方案中, 所述的药物组合物还包括至 少一种缓冲剂。 所述的缓冲剂选自枸橼酸盐, 乳酸盐, 醋酸盐、 酒石 酸盐、 琥珀酸盐、 磷酸盐或它们的混合物, 优选选自枸橼酸盐、 醋酸 盐、 磷酸盐或它们的混合物, 最优选为醋酸盐或枸橼酸盐。
在本发明的另一个具体实施方案中, 所述的药物组合物它还包括 至少一种 pH调节剂。所述的 pH调节剂选自盐酸、氢氧化钠、枸橼酸、 磷酸、 乳酸、 酒石酸、 琥珀酸或它们的混合物, 优选为盐酸或醋酸。 本发明制备成溶液制剂, 特别注射制剂时, 溶液的 pH为 2.0至 6.0, 更优选为 2.5至 5, 最优选为 3至 4.5。
用于本发明的术语"重量百分比"(wt%)是在药物组合物的总重量 的基础上计算的。
本发明通过维生素 C和 /或其衍生物的加入, 能够增加替莫唑胺的 溶解速度和溶解度, 从而能够使冻干前溶液体积减小。
本发明通过润湿剂的加入, 改善了替莫唑胺因为水难溶性, 难以 被水润湿溶解的特点, 增加了替莫唑胺的溶解速率, 减少了整个溶液 的配制时间, 减少了替莫唑胺在溶液中降解的时间, 从而减少了替莫 唑胺的降解。
将本发明的药物组合物制备成冻干制剂时, 通过赋形剂的加入, 保证了替莫唑胺冻干粉针剂最后的成形性, 并且有赋形剂的保护支撑 作用, 使替莫唑胺冻干粉针剂重建为适宜患者给药的制剂的时间, 大 大减少。 当赋形剂在药物制剂中使用时, 它在药物制剂中以制剂总重 量计的 wt%可以在 5wt%至 80 wt%。本发明通过缓冲剂和常规 pH调节 剂的加入,保证了替莫唑胺在溶液状态时在一个比较低的 pH环境和一 定的缓冲体系中, 降低了其的降解速率。 当缓冲剂在药物制剂中使用 时, 它在药物制剂中以制剂总重量计的 wt%可以在 5 wt%至 60 wt%。 当常规 pH调节剂在药物制剂中使用时,它在药物制剂中以制剂总重量 计的 wt%可以在 0.1 wt%至 20 wt%。
本发明通过降低替莫唑胺的降解速度, 特别是溶解过程和溶液状 态时的降解速度, 从而保证了替莫唑胺在溶液状态下可以较长时间保 持稳定, 因此有利于将替莫唑胺制备成各种制剂, 易于实现工业化的 生产。
该制备方法中, 在药液的配制过程中应适当的控制温度, 以降低 替莫唑胺降解。 具体实施方式
为了阐述发明, 以冻干制剂的制剂形式作为实施例进行比较说明。 本发明的药物制剂通常通过下面的步骤制得:
1.称取处方量的维生素 C和 /或其衍生物、 润湿剂、 赋形剂, 缓冲 剂, 搅拌溶解在至少一种水性稀释剂中, 水性稀释剂为处方量的 90%左右, 水温控制在 0-60 °C。
2.称取处方量的替莫唑胺, 搅拌溶解在上述溶液中, 完全溶解后 测定溶液的 pH值, 根据需要, 使用常规 pH调节剂对溶液 pH值 进行调整。
3.加入水性稀释剂至最终体积, 将溶液继续搅拌至混合均匀。
4.将上述的溶液过滤灭菌, 冷冻干燥。 实施例 1
称取 2.50 g维生素 C, 2.50 g甘露醇, 2.35 g枸橼酸钠, 0.80 g盐 酸, 加入 900 mL注射用水, 于 40°C水浴下搅拌溶解, 加入 2.50 g替 莫唑胺 (江苏恒瑞医药股份有限公司, 以下实施例中来源相同), 搅拌 溶解, 加水至 1000 mL, 用 0.22 μηι微孔滤膜过滤, 分装, 冷冻干燥, 得到替莫唑胺冻干粉。
实施例 2
称取 3.00 g聚山梨醇酯 -80 , 2.50 g维生素 C, 2.50 g甘露醇, 2.35 g枸橼酸钠, 0.80 g盐酸, 加入 900 mL注射用水, 于 40°C水浴下搅拌 溶解, 加入 2.50 g替莫唑胺, 搅拌溶解, 加水至 1000 mL, 用 0.22 μηι 微孔滤膜过滤, 分装, 冷冻干燥, 得到替莫唑胺冻干粉。
实施例 3
称取 3.00 g聚山梨醇酯 -80 , 10.00 g维生素 C, 6.00 g甘露醇, 2.35 g枸橼酸钠, 加入 900 mL已冷至室温的注射用水, 搅拌溶解, 使用盐 酸调节溶液 pH为 4.0, 加入 5.00 g替莫唑胺, 搅拌溶解, 加水至 1000 mL, 用 0.22 μηι微孔滤膜过滤, 分装, 冷冻干燥, 得到替莫唑胺冻干 粉。
实施例 4
称取 3.00 g聚山梨醇酯 -80 , 25.00 g维生素 C, 6.00 g甘露醇, 2.35 g枸橼酸钠, 加入 900 mL已冷至室温的注射用水, 搅拌溶解, 使用盐 酸调节溶液 pH为 4.0, 加入 5.00 g替莫唑胺, 搅拌溶解, 加水至 1000 mL, 用 0.22 μηι微孔滤膜过滤, 分装, 冷冻干燥, 得到替莫唑胺冻干 粉。
实施例 5
称取 3.00 g聚山梨醇酯 -80 , 50.00 g维生素 C, 6.00 g甘露醇, 2.35 g枸橼酸钠, 加入 900 mL已冷至室温的注射用水, 搅拌溶解, 使用盐 酸调节溶液 pH为 4.0,加入 10.00 g替莫唑胺, 搅拌溶解,加水至 1000 mL, 用 0.22 μηι微孔滤膜过滤, 分装, 冷冻干燥, 得到替莫唑胺冻干 粉。
实施例 6
称取 3.00 g聚山梨醇酯 -80 , 10.00 g维生素 C, 15.00 g甘露醇,
5.88 g枸橼酸钠, 加入 900 mL已冷至室温的注射用水, 搅拌溶解, 使 用盐酸调节溶液 pH为 3.7, 加入 5.00 g替莫唑胺, 搅拌溶解, 加水至 1000 mL, 用 0.22 μηι微孔滤膜过滤, 分装, 冷冻干燥, 得到替莫唑胺 冻干粉。
实施例 7
称取 3.00 g聚山梨醇酯 -80 , 25.00 g维生素 C, 15.00 g甘露醇,
5.88 g枸橼酸钠, 加入 900 mL已冷至室温的注射用水, 搅拌溶解, 使 用盐酸调节溶液 pH为 3.7, 加入 5.00 g替莫唑胺, 搅拌溶解, 加水至 1000 mL, 用 0.22 μηι微孔滤膜过滤, 分装, 冷冻干燥, 得到替莫唑胺 冻干粉。
对照例 1 (常规冷冻干燥处方)
称取 15.00 g甘露醇, 5.88 g枸橼酸钠, 加入 900 mL已冷至室温 的注射用水, 搅拌溶解, 使用盐酸调节溶液 pH为 3.7, 加入 2.50 g替 莫唑胺, 搅拌溶解, 加水至 1000 mL, 用 0.22 μηι微孔滤膜过滤, 冷冻 干燥, 得到替莫唑胺冻干粉。
对照例 2
称取 15.00 g甘露醇, 3.00 g聚山梨酯 80, 5.88 g枸橼酸钠, 加入 900 mL已冷至室温的注射用水, 搅拌溶解, 使用盐酸调节溶液 pH为 3.7, 加入 2.50 g替莫唑胺, 搅拌溶解, 加水至 1000 mL, 用 0.22 μηι 微孔滤膜过滤, 冷冻干燥, 得到替莫唑胺冻干粉。
对照例 3 (美国专利 US6987108实施例 2 )
称取 15.00 g甘露醇, 3.00 g聚山梨酯 80, 4.00 g L-苏氨酸, 5.88 g 枸橼酸钠, 加入 900 mL已冷至室温的注射用水, 搅拌溶解, 使用盐酸 调节溶液 pH为 3.7,加入 2.50 g替莫唑胺,搅拌溶解,加水至 1000 mL, 用 0.22 μηι微孔滤膜过滤, 冷冻干燥, 得到替莫唑胺冻干粉。
溶解度对比试验
按照实施例 6, 7处方配制 5.0mg/mL的替莫唑胺溶液, 得到透明 的澄清溶液, 处方量替莫唑胺原料药可以完全溶解。
按照对照例 1, 2, 3, 其他辅料处方不变, 替莫唑胺投料量增大为
5.00g (浓度 5.0mg/mL), 配制替莫唑胺的相应溶液, 结果替莫唑胺在 相应的溶液中不能完全溶解, 有大量未溶解的药物沉淀在溶液底部。
上述的对比试验结果说明: 维生素 C具有显著的增加替莫唑胺溶 解度的能力, 研究中还发现即便提高对照例 3中 L-苏氨酸的用量后其 对于提高药物的溶解度影响也有限。
长期稳定性实验
按照实施例 3 处方配制替莫唑胺的溶液, 并将配制得到的溶液冷 冻干燥, 制备得到替莫唑胺冻干粉针剂。 将制备得到的替莫唑胺冻干 粉针剂 2-8°C留样考察。
表 1 替莫唑胺冻干粉稳定性结果 处方 时间 (M) 有关物质 (%)
0 0.30
实施例 3 1 0.30
2 0.33 由表 1 中结果可知, 实施例 3制备得到的冻干粉稳定性良好, 留 样 2月有关物质均无变化, 说明制备得到的替莫唑胺冻干粉稳定。
从上述两个实验可知, 维生素 C能在保证得到的冻干粉的稳定性 良好的前提下, 增加替莫唑胺的溶解度, 对于替莫唑胺制剂的制备具 有重要意义。

Claims

权利要求书:
1、 一种药物组合物, 其特征在于包含替莫唑胺或其药学上可接受 的盐, 以及至少一种维生素 C或其衍生物或它们的药学上可接受的盐, 优选维生素 c。
2、 根据权利要求 1所述的药物组合物, 其中所述的药物组合物还 包含至少一种水性稀释剂。
3、 根据权利要求 1所述的药物组合物, 其中所述的药物组合物为 可注射的胃肠外用药物制剂, 优选所述的药物组合物为冻干粉形式。
4、 根据权利要求 1或 2所述的药物组合物, 其中以替莫唑胺或其 药学上可接受的盐以替莫唑胺计, 维生素 C或其衍生物或它们的药学 上可接受的盐以维生素 C计,维生素 C与替莫唑胺的重量比为 0.5-10:1 ; 优选重量比为 1-5:1 ; 更优选重量比为 2:1。
5、 根据权利要求 1-4任意一项所述的药物组合物, 其中以药物组 合物总重量计维生素 C或其衍生物或它们的药学上可接受的盐的含量 为 10wt%-80wt%, 优选 25wt%-65wt%。
6、 根据权利要求 1-5任意一项所述的药物组合物, 其中以药物组 合物总重量计替莫唑胺或其药学上可接受的盐含量为 5wt%-60wt%,优 选 10wt%-30wt%。
7、 根据权利要求 1-6任意一项所述的药物组合物, 其中所述的药 物组合物包含赋形剂、 润湿剂、 pH调节剂或缓冲剂中的一种或多种。
8、 根据权利要求 7所述的药物组合物, 其中所述的赋形剂为甘露 醇; 所述的润湿剂为聚山梨醇酯 -80; 所述的 pH调节剂为盐酸; 所述 的缓冲剂为枸橼酸钠。
9、 根据权利要求 1-8任意一项所述的药物组合物, 其中所述的药 ί组合物含有以下重量比的组分, 或由以下重量比的组分组成:
以替莫唑胺计的替莫唑胺或其盐 5份
维生素 C 10份
聚山梨酯 -80 3份
6份 。
10、 一种制备如权利要求 1-9任意一项所述的药物组合物的方法, 包括将替莫唑胺或其可药用盐与至少一种维生素 C或其衍生物或它们 的药学上可接受的盐均匀混合的步骤。
11、 根据权利要求 10所述的方法, 包括下列步骤:
1 )将至少一种维生素 C或其衍生物或它们的药学上可接受的盐溶 解在水性稀释剂中形成溶液, 优选溶液温度控制在 0-60 °C ;
2) 将替莫唑胺或其药学上可接受的盐加入上述溶液中溶解。
12、 根据权利要求 11所述的方法, 包括以下步骤:
1 ) 称取处方量的维生素 C 或其衍生物或它们的药学上可接受的 盐, 以及任选的润湿剂、 赋形剂或缓冲剂, 搅拌溶解在水性稀释剂中;
2)称取处方量的替莫唑胺或其可药用盐,搅拌溶解在上述溶液中, 使用 pH调节剂对溶液 pH值进行调整;
优选 pH为 2.0至 6.0, 更优选为 2.5至 5, 最优选为 3至 4.5;
3 ) 加入水性稀释剂至最终体积, 搅拌均匀。
13、 根据权利要求 11或 12所述的方法, 其中所述的水性稀释剂 选自水、 生理盐水、 5%的右旋糖溶液或它们的混合物。
14、根据权利要求 11-13任意一项所述的方法,还包括将替莫唑胺 或其可药用盐和维生素 C或其衍生物或它们的药学上可接受的盐的混 合溶液进行冷冻干燥, 以得到一种冻干粉的步骤。
PCT/CN2011/077095 2010-07-29 2011-07-13 含维生素c或其衍生物的替莫唑胺药物组合物及其制备方法 WO2012013117A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2011800037655A CN102481287B (zh) 2010-07-29 2011-07-13 含维生素c或其衍生物的替莫唑胺药物组合物及其制备方法
TW100141217A TWI619716B (zh) 2011-07-13 2011-11-11 含維生素c或其衍生物的替莫唑胺醫藥組成物及其製備方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010244080.7 2010-07-29
CN201010244080.7A CN102342931B (zh) 2010-07-29 2010-07-29 替莫唑胺的可注射的胃肠外用药物制剂及其制备方法

Publications (1)

Publication Number Publication Date
WO2012013117A1 true WO2012013117A1 (zh) 2012-02-02

Family

ID=45529412

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/CN2011/077093 WO2012013116A1 (zh) 2010-07-29 2011-07-13 含氨基酸稳定剂的替莫唑胺药物组合物及其制备方法
PCT/CN2011/077095 WO2012013117A1 (zh) 2010-07-29 2011-07-13 含维生素c或其衍生物的替莫唑胺药物组合物及其制备方法

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/077093 WO2012013116A1 (zh) 2010-07-29 2011-07-13 含氨基酸稳定剂的替莫唑胺药物组合物及其制备方法

Country Status (2)

Country Link
CN (3) CN102342931B (zh)
WO (2) WO2012013116A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103705446A (zh) * 2012-10-08 2014-04-09 正大天晴药业集团股份有限公司 一种多烯磷脂酰胆碱注射液及其制备方法
US9033949B2 (en) * 2012-11-27 2015-05-19 Bang & Olufsen Medicom A/S Needle protection device
CN104274412A (zh) * 2013-07-01 2015-01-14 北京恒瑞康达医药科技发展有限公司 一种含有替莫唑胺、其药学上可接受的盐或其他衍生物的药物制剂
ES2545553B1 (es) 2014-11-26 2016-06-24 Saitec, S.A. Plataforma flotante de aprovechamiento de energía eólica
BR112020005703A2 (pt) * 2017-09-27 2020-10-20 Novartis Ag formulação parentérica compreendendo siponimod

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101467967A (zh) * 2007-12-29 2009-07-01 北京京卫燕康药物研究所有限公司 用于静脉和脑内注射的两元溶液型制剂
US20090270397A1 (en) * 2008-04-08 2009-10-29 Orlow Seth J Methods and compositions for the treatment of cancers, such as melanomas and gliomas

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ534378A (en) * 2002-02-22 2006-10-27 Schering Corp Pharmaceutical formulations of antineoplastic agents, in particular temozolomide, processes of making and using the same
CN101869551B (zh) * 2010-06-28 2012-04-18 江苏奥赛康药业股份有限公司 一种替莫唑胺冻干制剂
CN101984968A (zh) * 2010-10-29 2011-03-16 北京润德康医药技术有限公司 抗肿瘤剂替莫唑胺的药物制剂制备方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101467967A (zh) * 2007-12-29 2009-07-01 北京京卫燕康药物研究所有限公司 用于静脉和脑内注射的两元溶液型制剂
US20090270397A1 (en) * 2008-04-08 2009-10-29 Orlow Seth J Methods and compositions for the treatment of cancers, such as melanomas and gliomas

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BAEL, TIMOTHY E. ET AL.: "Phase II trial of arsenic trioxide and ascorbic acid with temozolomide in patients with metastatic melanoma with or without central nervous system metastases.", MELANOMA RESEARCH., vol. 18, no. 2, 2008, pages 147 - 151 *

Also Published As

Publication number Publication date
CN102481287B (zh) 2013-09-18
WO2012013116A1 (zh) 2012-02-02
CN102481287A (zh) 2012-05-30
CN102481288B (zh) 2014-02-19
CN102481288A (zh) 2012-05-30
CN102342931A (zh) 2012-02-08
CN102342931B (zh) 2014-04-23

Similar Documents

Publication Publication Date Title
EP2395979B1 (en) Delayed release, oral dosage compositions that contain amorphous cddo-me
JP2003506416A (ja) モキシフロキサシン/塩化ナトリウム製剤
JP7409772B2 (ja) ダントロレンを含む水性組成物
JP6265999B2 (ja) 光学活性のトルバプタンを含む注射用持効性製剤及びその製造方法
WO2012013117A1 (zh) 含维生素c或其衍生物的替莫唑胺药物组合物及其制备方法
JP2018531268A6 (ja) ダントロレンを含む水性組成物
KR101468153B1 (ko) 5α-안드로스테인-3β,5,6β-트리올 주사제 및 제조방법
JP6461945B2 (ja) ある含有量のマイトマイシンcを有する凍結乾燥医薬組成物を製造する方法
MX2007012166A (es) Composiciones y administracion de stannsoporfina.
KR890000907B1 (ko) 안정한 현탁액 제조용 고체 약물 제형의 제조방법
JP2002521335A (ja) 安定化したカルベジロール注射溶液
CN106943346B (zh) 甲地高辛液体制剂、其制备方法及其用途
WO2009112800A1 (en) Losartan composition
TWI619716B (zh) 含維生素c或其衍生物的替莫唑胺醫藥組成物及其製備方法
AU2006232330A1 (en) Stannsoporfin compositions and administration
JP4607761B2 (ja) 溶液医薬組成物
WO2017198224A1 (zh) 一种瑞马唑仑的药物组合物
TW201302755A (zh) 含胺基酸穩定劑的替莫唑胺醫藥組成物及其製備方法
CN116211840A (zh) 一种含有雷沙吉兰或其药用盐的药物组合物及其制备方法
TW202329977A (zh) 瑞博西尼藥物組成物
JP2024518225A (ja) 医薬組成物及びアプレピタント注射液並びに凍結乾燥粉末注射剤
CN103432085A (zh) 一种含氨基酸增溶剂的替莫唑胺冻干制剂及其制备方法
EA023081B1 (ru) Инъекционная лекарственная форма флупиртина
CN105982892A (zh) 含抗氧化剂的替莫唑胺药物组合物及其制备方法
CN102552259A (zh) 伊潘立酮的β-环糊精包合复合物及其药物组合物

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201180003765.5

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11811818

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11811818

Country of ref document: EP

Kind code of ref document: A1