Article(id=1193548062523097206, tenantId=1146029695717560320, journalId=1190317699101192196, issueId=1193548058421064688, articleNumber=1001-2494(2025)05-0488-09, orderNo=null, doi=10.11669/cpj.2025.05.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1710691200000, receivedDateStr=2024-03-18, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1762493633156, onlineDateStr=2025-11-07, pubDate=1741363200000, pubDateStr=2025-03-08, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1762493633156, onlineIssueDateStr=2025-11-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1762493633156, creator=13701087609, updateTime=1762493633156, updator=13701087609, issue=Issue{id=1193548058421064688, tenantId=1146029695717560320, journalId=1190317699101192196, year='2025', volume='60', issue='5', pageStart='441', pageEnd='552', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1762493632178, creator=13701087609, updateTime=1762493856082, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1193548997664146365, tenantId=1146029695717560320, journalId=1190317699101192196, issueId=1193548058421064688, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1193548997664146366, tenantId=1146029695717560320, journalId=1190317699101192196, issueId=1193548058421064688, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=488, endPage=496, ext={EN=ArticleExt(id=1193548062997053564, articleId=1193548062523097206, tenantId=1146029695717560320, journalId=1190317699101192196, language=EN, title=Optimization of Formulation Drug Design for Hot Melt Extrusion with Aid of Rheology and Discriminatory Dissolution, columnId=null, journalTitle=Chinese Pharmaceutical Journal, columnName=null, runingTitle=null, highlight=null, articleAbstract=

OBJECTIVE To develop appropriate formulation and process design for hot melt extrusion (HME) of poorly soluble drug posaconazole with aid of rheology and discriminatory dissolution. METHODS The viscoelastic properties of polymer matrices were assessed for oscillation shear strain on a rotation disc rheometer within temperature of 14-180 ℃ and angular frequency of 100-0.1 rads·s-1, respectively. A paddle method and an open flow cell method were developed alternatively to screen key critical quality attributes. RESULTS The selected polymer carrier showed storage modulus (G') >loss modulus (G″) with loss factor Tan(delta) <1 within the assessed temperature range, for better HME processability. Oscillation-frequency assessments further demonstrated that G'and G″ were more shear stable with angular strain at 140 ℃ compared with the increasing modulus trends at 150 and 160 ℃. Based on quality by design, discriminatory dissolution helped in defining if need to add excipient hydroxypropylcellulose in the process, as well as in designing HME granule size for formulation drug T. DSC, XRPD, Raman and optical microscopy characterization showed that the morphology of API changed from multicrystalline state to amorphous molecule dispersion after extrusion. CONCLUSION The drug release in vitro and in vivo of formulation drug posaconazole T is in bioequivalence with that of reference listing drug.

, correspAuthors=Zhouming ZHAO, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Lijun ZHANG, Zhouming ZHAO, Jinping LU, Donghao LIU, Jinzhou ZHANG), CN=ArticleExt(id=1193548411782791864, articleId=1193548062523097206, tenantId=1146029695717560320, journalId=1190317699101192196, language=CN, title=通过流变学和区分性溶出优化制剂热熔挤出的工艺处方设计, columnId=1190352405612040510, journalTitle=中国药学杂志, columnName=论著, runingTitle=null, highlight=null, articleAbstract=

目的 本研究旨在通过流变学和区分性溶出来助推难溶性药物泊沙康唑的热熔挤出制剂的工艺处方设计。方法 通过旋转平行板流变仪对聚合物的黏弹性在温度140~180 ℃和角频率 100~0.1 rads·s-1的范围内进行了振荡剪切评估。溶出:通过桨法与开环流池法分别筛选确立了关键工艺质量属性。结果 所选载体在实验温度范围内的储存模量 (G')>损耗模量(G″),损耗因子 Tan(delta)<1, 具有较好的可加工性。振幅-频率实验进一步揭示模量G'和G″在140 ℃时随着角应变提高要比在150、160 ℃时更趋于稳定。根据质量源于设计借助区分性溶出, 明确了片剂中辅料羟丙基纤维素的处方设计并确定了用于片剂的热熔挤出物混颗粒的尺寸。通过差示扫描量热法、X射线衍射技术、拉曼、偏光显微镜对挤出件的表征显示原料药的型态已从其原先的多晶态变成了挤出后的无定型分子分散体。结论 泊沙康唑的热熔挤出自研制剂T的体内外药物释放与参比制剂一致。

, correspAuthors=赵周明, authorNote=null, correspAuthorsNote=
* 赵周明,男,博士,正高级工程师 研究方向:药物制剂研发、高分子材料与工程、化学计量学 Tel:(0576) 85016418
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张丽君,女,硕士,中级工程师 研究方向:制剂质量研究

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PTB Rep, 2016, 2(3):47-51., articleTitle=Hot-melt extrusion(HME) and its application for pharmacoki-netic improvement of poorly water soluble drugs, refAbstract=null), Reference(id=1193576457222976159, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, doi=null, pmid=null, pmcid=null, year=2014, volume=66, issue=2, pageStart=167, pageEnd=179, url=null, language=null, rfNumber=[6], rfOrder=5, authorNames=VYNCKIER A, DIERICK X L, VOORSPOELS J, journalName=J Pharm Pharmacol, refType=null, unstructuredReference=VYNCKIER A, DIERICK X L, VOORSPOELS J, et al. Hot-melt coextrusion: requirements, challenges and opportunities for pharm aceutical applications[J]. 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J Int Pharm Res(国际药学研究杂志), 2014, 41 ( 4 ) : 437-443., articleTitle=Application of hot melt extrusion technology in pharmaceutical research, refAbstract=null), Reference(id=1193576457348805281, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, doi=null, pmid=null, pmcid=null, year=2013, volume=450, issue=1-2, pageStart=259, pageEnd=267, url=null, language=null, rfNumber=[8], rfOrder=7, authorNames=CHOM CHAM N, X ANTHOS M, journalName=Int J Pharm, refType=null, unstructuredReference=CHOM CHAM N, X ANTHOS M. Properties of aspirin modified enteric polymer prepared by hot-melt mixing[J]. 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Shenyang: Shenyang pharmaceutical university,2006:299-304., articleTitle=Progress in research and application of hydroxypropyl methylcellulose acetate hyaloacetate [A] The 2nd International Academic Conference on Modern New Dosage Forms and New Technologies of Traditional Chinese Medicine, refAbstract=null), Reference(id=1193576457592074917, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, doi=null, pmid=null, pmcid=null, year=2013, volume=null, issue=null, pageStart=47, pageEnd=null, url=null, language=null, rfNumber=[12], rfOrder=11, authorNames=MARTIN C, journalName=Melt Extrusion-Materials, Thechnology and Drug Product Design, refType=null, unstructuredReference=MARTIN C. Melt Extrusion-Materials, Thechnology and Drug Product Design[M]. New york: Springer, 2013: 47-79., articleTitle=null, refAbstract=null), Reference(id=1193576457646600870, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=http://www.accessdata.fda.gov/scripts/cder/dissolutiom, language=null, rfNumber=[13], rfOrder=12, authorNames=Food and Drug Administration, journalName=null, refType=null, unstructuredReference=Food and Drug Administration. Dissolution Methods:Posaconazole[EB/OL]. [2022-07-07]. http://www.accessdata.fda.gov/scripts/cder/dissolutiom., articleTitle=Dissolution Methods:Posaconazole, refAbstract=null), Reference(id=1193576457701126823, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=http://www.cde.org.cn, language=null, rfNumber=[14], rfOrder=13, authorNames=null, journalName=null, refType=null, unstructuredReference=Center For Drug Evaluation, NMPA. Technical guidelines for the study of human bioavailability and bioequivalence of chemical drug preparations[EB/OL]. [2005-03-18]. http://www.cde.org.cn., articleTitle=Center For Drug Evaluation, NMPA. Technical guidelines for the study of human bioavailability and bioequivalence of chemical drug preparations, refAbstract=null), Reference(id=1193576457785012904, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=http://www.gov.cn, language=null, rfNumber=[15], rfOrder=14, authorNames=Central People's Government the of People's Republic of China, journalName=null, refType=null, unstructuredReference=Central People's Government the of People's Republic of China.Opinions of The General Office of the State Council on the Consistency Evaluation of the Quality and efficacy of generic drugs [2016] No.8 [EB/OL]. [2016-02-06]. http://www.gov.cn., articleTitle=Opinions of The General Office of the State Council on the Consistency Evaluation of the Quality and efficacy of generic drugs [2016] No.8, refAbstract=null)], funds=[Fund(id=1193576456681910937, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, awardId=2019R01009, language=CN, fundingSource=浙江省领军型创新创业团队建设项目资助(2019R01009), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1193576453267747419, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, xref=null, ext=[AuthorCompanyExt(id=1193576453276136028, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, companyId=1193576453267747419, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Zhejiang Huahai Pharmaceutical Co.,Ltd., Linhai 317000, China), AuthorCompanyExt(id=1193576453284524637, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, companyId=1193576453267747419, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=浙江华海药业股份有限公司, 浙江 临海 317000)])], figs=[ArticleFig(id=1193576455100658305, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=EN, label=Fig.1, caption=The viscoelasticity of different types of polymer carriers under Oscillation-Temperature

A-HPMCAS; B-PVPVA64; C-Soluplus; D-Viscosity of different types of polymer carriers mixed with API.

, figureFileSmall=U9AZ8X3MEep2pAGNjMv/wg==, figureFileBig=EIcGV3L6kEkiTIhpKSx7Dw==, tableContent=null), ArticleFig(id=1193576455163572866, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=CN, label=图1, caption=不同种聚合物载体在振幅变温下的黏弹性

A-羟丙甲基纤维素乙酸琥珀酸酯(HPMCAS);B-乙烯基吡咯烷酮-乙酸乙烯酯共聚物(PVPVA64);C-聚乙烯己内酰胺-聚乙酸乙烯酯-聚乙二醇接枝共聚物(Soluplus);D-不同种聚合物载体与API的混合物的黏度。

, figureFileSmall=U9AZ8X3MEep2pAGNjMv/wg==, figureFileBig=EIcGV3L6kEkiTIhpKSx7Dw==, tableContent=null), ArticleFig(id=1193576455234876035, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=EN, label=Fig.2, caption=The viscoelasticity of different types of HPMCAS under oscillation-temperature

A-HPMCAS-LF Type; B-HPMCAS-MMP Type; C-HPMCAS-MG Type; D-Viscosity of different types of HPMCAS.

, figureFileSmall=8/RBES3xI4/Ru7jf8tRtkQ==, figureFileBig=FNO2nkPBRwLVhUertCEB6A==, tableContent=null), ArticleFig(id=1193576455297790596, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=CN, label=图2, caption=不同型号的HPMCAS在振幅变温下的黏弹性

A-HPMCAS-LF型号;B-HPMCAS-MMP型号;C-HPMCAS-MG型号;D-不同型号HPMCAS的黏度。

, figureFileSmall=8/RBES3xI4/Ru7jf8tRtkQ==, figureFileBig=FNO2nkPBRwLVhUertCEB6A==, tableContent=null), ArticleFig(id=1193576455348122245, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=EN, label=Fig.3, caption=Shear strain plot of HPMCAS mixed with API(150 ℃), figureFileSmall=02o3hNkY0cZ5JdleahUiXw==, figureFileBig=t3UuNimajruBIs4FYoXM/g==, tableContent=null), ArticleFig(id=1193576455402648198, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=CN, label=图3, caption=HPMCAS 与API混合物的剪切应变关系(150 ℃), figureFileSmall=02o3hNkY0cZ5JdleahUiXw==, figureFileBig=t3UuNimajruBIs4FYoXM/g==, tableContent=null), ArticleFig(id=1193576455465562759, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=EN, label=Fig.4, caption=Influence of the viscoelasticity of the melt under Oscillation-Frequency@different temperatures

A-140 ℃; B-150 ℃; C-160 ℃; D-comparison of tan(δ).

, figureFileSmall=SctnImygrbjV5KnDs7iTxA==, figureFileBig=p82N+CWdNieWa3eEesp+5w==, tableContent=null), ArticleFig(id=1193576455524283016, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=CN, label=图4, caption=不同温度对熔体的振幅变频黏弾性的影响

A-140 ℃;B-150 ℃;C-160 ℃;D-损耗因子比较。

, figureFileSmall=SctnImygrbjV5KnDs7iTxA==, figureFileBig=p82N+CWdNieWa3eEesp+5w==, tableContent=null), ArticleFig(id=1193576455587197577, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=EN, label=Fig.5, caption=Influence of HPC addition on dissolution of the formulation drug. x -±s

A-paddle method(n=3); B-flow cell method(n=6).

, figureFileSmall=tnAUB1dYNVXlKO9enIjbAA==, figureFileBig=Z1Y/wohfaDiXLAMCgRh+0w==, tableContent=null), ArticleFig(id=1193576455658500746, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=CN, label=图5, caption=不同羟丙基纤维素(HPC)加入量对制剂溶出曲线的影响。 x -±s

A-桨法(n=3);B-流池法(n=6)。

, figureFileSmall=tnAUB1dYNVXlKO9enIjbAA==, figureFileBig=Z1Y/wohfaDiXLAMCgRh+0w==, tableContent=null), ArticleFig(id=1193576455729803915, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=EN, label=Fig.6, caption=Influence of mixed particle granule particle size on dissolution of the formulation drug. x -±s

A-paddle method(n=3); B-flow cell method(n=6).

, figureFileSmall=hCkGZv/gUYutUvcF8iBsew==, figureFileBig=W5eCtqz5q4jeQze15Iop6A==, tableContent=null), ArticleFig(id=1193576455780135564, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=CN, label=图6, caption=不同混颗粒粒径对制剂溶出曲线的影响。 x -±s

A-桨法(n=3);B-流池法(n=6)。

, figureFileSmall=hCkGZv/gUYutUvcF8iBsew==, figureFileBig=W5eCtqz5q4jeQze15Iop6A==, tableContent=null), ArticleFig(id=1193576455859827341, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=EN, label=Fig.7, caption=The DSC thermograms of API, hot melt extrudate and HPMCAS, figureFileSmall=cMpfJL2I5db3f8PfY56CQA==, figureFileBig=EeMQi+Gd8fAHxlMqrUmltQ==, tableContent=null), ArticleFig(id=1193576455914353294, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=CN, label=图7, caption=API、热熔挤出物及HPMCAS的差示扫描量热(DSC)曲线图, figureFileSmall=cMpfJL2I5db3f8PfY56CQA==, figureFileBig=EeMQi+Gd8fAHxlMqrUmltQ==, tableContent=null), ArticleFig(id=1193576455973073551, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=EN, label=Fig.8, caption=The XRD diffraction diagrams of API, hot melt extrudate and HPMCAS, figureFileSmall=LzcqutoC3qzbrLSSJOzibw==, figureFileBig=eph3yl+JhCWynT+U/BOaSg==, tableContent=null), ArticleFig(id=1193576456031793808, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=CN, label=图8, caption=API、热熔挤出物及HPMCAS的X射线衍射(XRD)图, figureFileSmall=LzcqutoC3qzbrLSSJOzibw==, figureFileBig=eph3yl+JhCWynT+U/BOaSg==, tableContent=null), ArticleFig(id=1193576456094708369, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=EN, label=Fig.9, caption=The Raman spectra of API, hot melt extrudate and HPMCAS, figureFileSmall=VU6SzOf+eC7Y7Cf8X0FsDw==, figureFileBig=jxRqMeS9zwec5QbDBQAlnQ==, tableContent=null), ArticleFig(id=1193576456149234322, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=CN, label=图9, caption=API、热熔挤出物及HPMCAS的拉曼光谱图, figureFileSmall=VU6SzOf+eC7Y7Cf8X0FsDw==, figureFileBig=jxRqMeS9zwec5QbDBQAlnQ==, tableContent=null), ArticleFig(id=1193576456207954579, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=EN, label=Fig.10, caption=The white light imaging and the Raman imaging of physical mixture of physical mixture and Hot melt extrudate

A-the white light imaging of physical mixture (API+HPMCAS); B-the Raman imaging of physical mixture (API+HPMCAS); C-the white light imaging of the Hot melt extrudate; D-the Raman imaging of the Hot melt extrudate.

, figureFileSmall=EOc16bkNBcbe6JzncUZNdg==, figureFileBig=XaQmBLJNimuGxpNkFhMxow==, tableContent=null), ArticleFig(id=1193576456296034964, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=CN, label=图10, caption=热熔挤出物和物理混合物的白光成像和拉曼成像图

A-物理混合物(API+HPMCAS)的白光成像图;B-物理混合物(API+HPMCAS)的拉曼成像图;C-热熔挤出物的白光成像图;D-热熔挤出物的拉曼成像图。

, figureFileSmall=EOc16bkNBcbe6JzncUZNdg==, figureFileBig=XaQmBLJNimuGxpNkFhMxow==, tableContent=null), ArticleFig(id=1193576456350560917, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=EN, label=Fig.11, caption=The Polarized imaging of physical mixture and the hot melt extrudate

A-physical mixture (API+HPMCAS) under parallel polarizers; B-physical mixture (API+HPMCAS) under crossed polarizers; C-the hot melt extrudate under parallel polarizers; D-the hot melt extrudate under crossed polarizers.

, figureFileSmall=M74VMjBMVIVUkT0FI+7xTg==, figureFileBig=m2ioa02STqNnBte7TPcfXg==, tableContent=null), ArticleFig(id=1193576456409281174, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=CN, label=图11, caption=物理混合物和热熔挤出物的偏光场成像

A-平行偏光时的物理混合物(API+HPMCAS);B-正交偏光时的物理混合物(API+HPMCAS);C-平行偏光时的热熔挤出物; D-正交偏光时的热熔挤出物。

, figureFileSmall=M74VMjBMVIVUkT0FI+7xTg==, figureFileBig=m2ioa02STqNnBte7TPcfXg==, tableContent=null), ArticleFig(id=1193576456459612823, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=EN, label=Tab.1, caption=

Structure and properties of 3 types of HPMCAS

, figureFileSmall=null, figureFileBig=null, tableContent=
Type Acetyl content/% Succinyl content/% Methoxy content/% Hydroxypropyl oxygencontent/% Tg/℃ pH Value of dissolutin
L 5-9 14-18 20-24 5-9 119 5
M 7-11 10-14 21-25 5-9 120 5.5
H 10-14 4-8 22-26 6-10 122 6.5
), ArticleFig(id=1193576456543498904, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1193548062523097206, language=CN, label=表1, caption=

3种型号的HPMCAS 的结构与性能比较

, figureFileSmall=null, figureFileBig=null, tableContent=
Type Acetyl content/% Succinyl content/% Methoxy content/% Hydroxypropyl oxygencontent/% Tg/℃ pH Value of dissolutin
L 5-9 14-18 20-24 5-9 119 5
M 7-11 10-14 21-25 5-9 120 5.5
H 10-14 4-8 22-26 6-10 122 6.5
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通过流变学和区分性溶出优化制剂热熔挤出的工艺处方设计
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张丽君 , 赵周明 * , 卢金萍 , 刘东昊 , 张津州
中国药学杂志 | 论著 2025,60(5): 488-496
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中国药学杂志 | 论著 2025, 60(5): 488-496
通过流变学和区分性溶出优化制剂热熔挤出的工艺处方设计
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张丽君, 赵周明*, 卢金萍, 刘东昊, 张津州
作者信息
  • 浙江华海药业股份有限公司, 浙江 临海 317000
  • 张丽君,女,硕士,中级工程师 研究方向:制剂质量研究

通讯作者:

* 赵周明,男,博士,正高级工程师 研究方向:药物制剂研发、高分子材料与工程、化学计量学 Tel:(0576) 85016418
Optimization of Formulation Drug Design for Hot Melt Extrusion with Aid of Rheology and Discriminatory Dissolution
Lijun ZHANG, Zhouming ZHAO*, Jinping LU, Donghao LIU, Jinzhou ZHANG
Affiliations
  • Zhejiang Huahai Pharmaceutical Co.,Ltd., Linhai 317000, China
出版时间: 2025-03-08 doi: 10.11669/cpj.2025.05.006
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目的 本研究旨在通过流变学和区分性溶出来助推难溶性药物泊沙康唑的热熔挤出制剂的工艺处方设计。方法 通过旋转平行板流变仪对聚合物的黏弹性在温度140~180 ℃和角频率 100~0.1 rads·s-1的范围内进行了振荡剪切评估。溶出:通过桨法与开环流池法分别筛选确立了关键工艺质量属性。结果 所选载体在实验温度范围内的储存模量 (G')>损耗模量(G″),损耗因子 Tan(delta)<1, 具有较好的可加工性。振幅-频率实验进一步揭示模量G'和G″在140 ℃时随着角应变提高要比在150、160 ℃时更趋于稳定。根据质量源于设计借助区分性溶出, 明确了片剂中辅料羟丙基纤维素的处方设计并确定了用于片剂的热熔挤出物混颗粒的尺寸。通过差示扫描量热法、X射线衍射技术、拉曼、偏光显微镜对挤出件的表征显示原料药的型态已从其原先的多晶态变成了挤出后的无定型分子分散体。结论 泊沙康唑的热熔挤出自研制剂T的体内外药物释放与参比制剂一致。

流变学  /  热熔挤出  /  黏度  /  模量  /  溶出

OBJECTIVE To develop appropriate formulation and process design for hot melt extrusion (HME) of poorly soluble drug posaconazole with aid of rheology and discriminatory dissolution. METHODS The viscoelastic properties of polymer matrices were assessed for oscillation shear strain on a rotation disc rheometer within temperature of 14-180 ℃ and angular frequency of 100-0.1 rads·s-1, respectively. A paddle method and an open flow cell method were developed alternatively to screen key critical quality attributes. RESULTS The selected polymer carrier showed storage modulus (G') >loss modulus (G″) with loss factor Tan(delta) <1 within the assessed temperature range, for better HME processability. Oscillation-frequency assessments further demonstrated that G'and G″ were more shear stable with angular strain at 140 ℃ compared with the increasing modulus trends at 150 and 160 ℃. Based on quality by design, discriminatory dissolution helped in defining if need to add excipient hydroxypropylcellulose in the process, as well as in designing HME granule size for formulation drug T. DSC, XRPD, Raman and optical microscopy characterization showed that the morphology of API changed from multicrystalline state to amorphous molecule dispersion after extrusion. CONCLUSION The drug release in vitro and in vivo of formulation drug posaconazole T is in bioequivalence with that of reference listing drug.

rheology  /  hot melt extrusion  /  viscosity  /  modulus  /  dissolution
张丽君, 赵周明, 卢金萍, 刘东昊, 张津州. 通过流变学和区分性溶出优化制剂热熔挤出的工艺处方设计. 中国药学杂志, 2025 , 60 (5) : 488 -496 . DOI: 10.11669/cpj.2025.05.006
Lijun ZHANG, Zhouming ZHAO, Jinping LU, Donghao LIU, Jinzhou ZHANG. Optimization of Formulation Drug Design for Hot Melt Extrusion with Aid of Rheology and Discriminatory Dissolution[J]. Chinese Pharmaceutical Journal, 2025 , 60 (5) : 488 -496 . DOI: 10.11669/cpj.2025.05.006
随着技术的发展,研究者对药物的研发不断深入,药物的分子结构也越来越复杂,溶解性也越来越差。目前在药品市场上大约有40%的药物水溶性差,而在研药物则高达90%[1]。对于难溶性药物,存在生物利用度低和变异性等问题[2],特别是对于在肠道吸收的药物,需要通过黏膜吸收达到全身循环,一旦药物溶解度过低,便会降低药效,因此这些活性好、溶解性低的分子,是制剂开发的一大难题。泊沙康唑是美国食品药品监督管理局(FDA)批准上市的第二代三唑类抗真菌药物,属于生物药剂学分类系统(BCS)Ⅱ类[3],是一种低溶解性的药物,其有效吸收部位在小肠段,由于其具有一定的pH依赖性,在肠道介质(pH 6.8)中会发生药物结晶析出,因而影响体内吸收。
热熔挤出(hot melt extrusion,HME)技术是近年来新兴的一项药物制备技术,它是将药物与聚合物载体或其他辅料混合后加入单螺杆或双螺杆挤出机中,旋转的螺杆推动物理混合物进一步地挤压,同时挤出机夹层进行高温加热,最后以一定的压力、速度和形状从机头口模挤出成型或制粒[4],可以有效解决药品储藏过程中的析晶问题和提高难溶性药物的溶解度[5-7]。HME具有过程无溶剂[8],可连续化生产、自动化控制程度高、工艺重现性好、易于在线工艺过程分析及产能扩大等优点,正越来越多地被应用于固体分散剂及口服缓控释制剂的开发。
在HME技术中,聚合物载体是长链高分子材料,其成型加工在熔融状态下完成,加工机械力与温度的变化、材料的黏弹性对高分子挤出制品的外观形状和质量有较大影响[9]。因而,在塑料工业生产中,常通过测定流变学性质来评估聚合物熔体的加工成型性。作为材料领域的一门跨学科手段,通过聚合物流变学辅助药物制剂开发目前尚处于起步阶段,而应用于难溶药物的工艺处方设计与优化更为鲜见。
本研究以难溶性药物泊沙康唑HME制剂为例,引入流变学评估筛选多种聚合物材料在挤出过程中的黏弾态行为差异,优化聚合物熔体的加工成型性,同时结合质量源于设计,通过区分性溶出方法助推制剂产品的工艺处方设计。
泊沙康唑肠溶片原研片(MERCK 公司,批号:U020061);泊沙康唑肠溶片(浙江华海药业股份有限公司,批号:2110-397030、R202200167、2203-397100);泊沙康唑对照品(浙江奥翔股份有限公司,含量以100.0%计,批号:WS-PSK-PI-0005);聚乙烯己内酰胺-聚乙酸乙烯酯-聚乙二醇接枝共聚物Soluplus(德国巴斯福公司,药用级辅料,批号:77868636WO);羟丙甲基纤维素乙酸琥珀酸酯(HPMCAS,日本信越化学工业株式会社,药用级辅料,批号:0033083、0063169、8053126);乙烯基吡咯烷酮-醋酸乙烯酯共聚物(PVPVA64,德国瑞登梅尔公司,药用级辅料,批号:031218009);甲醇、乙腈、纯化水、十二烷基硫酸钠为色谱纯;无水磷酸氢二钠、无水磷酸二氢钠、聚山梨酯80、盐酸为分析纯。
旋转流变仪(TA HR30),差示扫描量热仪DSC[DSC250型,沃特世科技(上海)有限公司],X射线衍射XRD(Panalytical,Malvern公司),激光共聚焦拉曼光谱仪(Invia Qontor, Renishaw公司),偏光显微镜(DM2700P,德国Leica公司),溶出桨杆法(708-DS/850-DS型,美国Agilent公司),溶出流池法(CE7 Smart,瑞士SOTAX公司),高效液相色谱法仪(2489/e2695型,美国Waters公司)。
方法1(振幅变温扫描):25 mm平行板,应变1.0%,角频率10.0 rad·s-1,温度范围:140~180 ℃;方法2(振幅频率扫描):应变1.0%,角频率100~0.1 rad·s-1,温度140、150、160 ℃。
在10 ℃·min-1的氮气下由40 ℃升至180 ℃。
X射线管: Empyrean XRD tube Cu LFF HR,电压和电流:45 kV,40 mA。
激发波长:785 nm,激光功率:10%,物镜倍率:50倍,采集次数:1次。面扫描区域:1 mm2,步长:10 μm。
物镜倍率:50倍,模式:透射,分别在0°和90°偏光场下观察。
75 r·min-1,37 ℃,体积:1 000 mL,介质1: 0.01 mol·L-1 盐酸溶液;介质2:0.37 g·L-1十二烷基硫酸钠的pH 6.0磷酸盐缓冲液:750 mL 0.01 mol·L-1盐酸溶液加250 mL 0.2 mol·L-1磷酸盐缓冲液1。第一阶段(耐酸性实验)取泊沙康唑肠溶片3片于溶出杯中运行2 h后取10 mL,用10 μm过滤头过滤,同时补充10 mL新鲜介质;第二阶段(溶出度实验)在完成第一阶段的取样后,加入250 mL 0.2 mol·L-1 磷酸盐缓冲液1,使最终溶出介质为:0.37 g·L-1十二烷基硫酸钠的pH 6.0磷酸盐缓冲液,1 000 mL,于第5、10、15、20、30、45、60 min取溶液10 mL,用10 μm过滤头过滤,用高效液相定量分析。
0.2 mol·L-1 磷酸盐缓冲液1配制:17.76 g磷酸二氢钠,加7.384 g磷酸氢二钠,加14.6 g十二烷基硫酸钠至1 000 mL水中溶解。
0.2 mol·L-1 磷酸盐缓冲液2配制:9 g磷酸二氢钠加19.12 g磷酸氢二钠,加14.6 g聚山梨酯80至1 000 mL水中溶解。
流速4 mL·min-1,37 ℃,开环系统,红宝石,研究中选择通用规格的片剂流通池(φ22.6 mm,14 mL)。介质1: 0.01 mol·L-1 盐酸溶液;介质2: 0.37 g·L-1 聚山梨酯80的pH 6.8磷酸盐缓冲液: 750 mL 0.01 mol·L-1 盐酸溶液加250 mL 0.2 mol·L-1磷酸盐缓冲液2。取泊沙康唑肠溶片6片,在介质1中运行45 min后更换介质2,于第45、85、105、125、145、165、225 min过滤取样,用0.45 μm过滤膜过滤,用高效液相定量分析。
Waters Xterra PR18 C18色谱柱(4.6 mm×50 mm,3.5 μm);以水-乙腈-磷酸(64∶36∶0.15)为流动相,流速1.5 mL·min-1,柱温40 ℃,进样体积 10 μL,检测波长254 nm。
在流变学中,聚合物材料的黏弹性介于弹性固体和黏性流体之间,其黏弹性通过模量来反映和表征。储存(弹性)模量(storage modulus,G')表示材料的弹性,即材料变形时由于弹性形变储存的能量;损耗(黏性)模量(loss modulus,G″)表示材料的黏性,指材料变形时不可逆黏性形变的能量损耗。G″和G'的比值则为损耗因子(δ),当δ<1时,说明材料G″<G',材料主要发生弹性形变,而δ>1时,说明材料的G″>G'大于储存模量,材料主要发生黏性形变而产生能耗或发热。通常来说,具有弹性形变的材料,更有利于在HME中应用。此外,复数黏度(complex viscosity,η*)是指在旋转流变中的复数特性,是流体内部固体和液体之间的相互作用力导致的阻力大小计算见公式1。
η*= G ' w 2 + G w 2 10
w为角频率,η*也是评估材料相对分子质量和流动性的重要指标。
本实验中分别研究了分子链结构为聚乙烯内酰胺类、纤维素衍生物和其他[聚乙二醇(PEG)及丙烯酸树脂类等],其中PVP-VA64,Soluplus属于聚乙烯内酰胺类,羟丙甲基纤维素醋酸琥珀酸酯(HPMCAS,MG规格)属于纤维素衍生物。为获得相关流变学性质参数,我们使用平行几何板依照“2.1”项下方法1进行了振荡剪切实验,考察温度对聚合物载体黏弹性的影响,以测量这3种聚合物温度与模量、黏度的关系。其中,图1A~C分别反映HPMCAS、PVP-VA64、Soluplus的流变学参数和温度之间的关系。图1D反映了这些聚合物加入小分子药物活性成分(API)后熔体的黏度随温度的变化。
图1A~1C可看出,在140~180 ℃之间HPMCAS的G'>G″,δ<1,而PVPVA64及Soluplus的G″一直大于G',δ>1,材料主要发生黏性形变。同时由图1D可知,相比于纯聚合物载体,加入难溶性药物泊沙康唑后熔体的黏度都有所下降说明小分子难溶性药物本身具有一定的增塑作用,其G'、G″的变化情况与各自的聚合物载体变化趋势一致。HPMCAS的G'>G″,其具有较好的挤出成型性,PVPVA64、Soluplus G″大,黏度低较难保持形状,易于从模口处流出。综上所述,选择HPMCAS作为聚合物载体进行后续研究。
HPMCAS有3种规格,根据乙酰基和琥珀酰基的取代水平的不同可分为L型、M型和H型。3种型号HPMCAS的具体取代基百分含量及玻璃态转化温度(Tg)见表1[11]
载体材料的结构与属性影响到药物-聚合物间的相互作用、挤出机工作效率及物料混匀性等,其中乙酰化和琥珀酰化程度则影响制品在不同pH值环境下的药物释放行为及结晶抑制作用。疏水性高的乙酰基含量高,可增强抑晶作用,但会减缓药物释放速率。相对于L型和M型而言,H型溶解的pH值为6.5不利于难溶性药物泊沙康唑在肠道的吸收,另外H型的Tg也相对较高,意味着其加工可能需要更高的温度或能量来实现分子链流动,故选择L型和M型进一步筛选。其中L型具体为LF规格,M型又分为MG和MMP两种规格。通过 “2.1”项下方法1对这3个规格使用平行几何板进行振荡剪切实验,图2A~2C分别为LF、MG、MMP 3种规格的黏弹性能变化。图2D对比了3种规格HPMCAS的复数黏度随温度的变化。
随温度升高,3种规格HPMCAS载体的模量都呈现下降趋势,在140~180 ℃温度范围内G'一直大于G″,具有一定的弹性(图2A~C)。在热熔挤出过程中发现LF规格与泊沙康唑进行混合时容易发生黏壁,损耗较大,不利于成本控制,而HPMCAS-MG、HPMCAS-MMP没有出现此类问题,适合作为聚合物载体进行HME研究。但由图2D可知,MG规格在相同温度下黏度高于MMP规格,这就需要在挤出机中使用更大的扭矩才能使两相混合,而增加扭矩会产生额外的机械能或热能,有导致样品降解的风险,因此选择MMP规格的HPMCAS作为后续应用。
热熔挤出工艺参数包括温度、扭矩、压力、挤出速度等。熔体黏度增大直接导致挤出物的扭矩变大,从而需要借助额外的机械能或热能来完成挤出。提升温度可以降低熔体温度,然而有些药物及辅料随温度升高会出现降解,导致杂质产生,不利于药品的质量稳定性,因此需要知道剪切速率、黏度与温度之间的关系[12]。对载体HPMCAS(型号:MMP)与难溶性药物的物理混合样品在整个的剪切速率范围进行研究,其结果见图3,该聚合物载体具有剪切稀化的非牛顿流体特性,说明该聚合物可以通过增加螺杆转速,达到降低熔体黏度效果,因此后续工艺开发时,可以结合提高转速来改善工艺。
表1中HPMCAS(型号:MMP)的玻璃化转变温度Tg在120 ℃左右,结合DSC热分析结果可知,泊沙康唑存在多晶型态,其熔点分别为134.52 ℃(Tm1)和167.94 ℃ (Tm2),此温度为泊沙康唑2种不同晶态的熔点。为确保泊沙康唑与载体能够达到充分的混合流动,综合API的熔点范围和API的增塑作用、聚合物载体的Tg以及剪切致稀特性,选择140、150、160 ℃作为潜在的热熔挤出温度进行频率扫描以评估其熔体剪切黏弹性能,结果见图4A~4C。同时,图4D比较了熔体的δ在这些温度条件下随频率的变化关系。
图4A~4C可知,随着角频率的增长,140 ℃时熔体G'始终大于G″且不相交,其相分离倾向性低,G'与G″随剪切均逐步趋于平缓,表明熔体稳定性高,受应变影响小,理论上挤出成形性好,挤出后形变小,全范围δ<1。而150和160 ℃的G'与G″都随着角频率的增长而增加,说明样品在150和160 ℃均具有一定的频率依赖性,受应变影响大,且低频时δ>1。由图4D可知,随频率增加,这3个温度下δ随剪切频率的增加趋于降低,说明此时聚合物样品处在玻璃态和橡胶态的过渡区,都具有一定黏弹性,G'在高应变时起主导作用, 有助于热熔挤出时通过螺杆扭矩调节加工参数。对比3个温度下的δ曲线,图4D进一步显示δ随着熔体温度增高而增加,亦即单纯提升加工温度可能增加熔体降解风险。基于本实验,优选140 ℃作为热熔挤出温度。
通过流变学考察,选择纤维素衍生物类聚合物载体HPMCAS并进一步确定MMP规格作为泊沙康唑的热熔挤出分散载体,优选140 ℃作为挤出温度确保熔体的流动性和可加工性。
基于开放流池法溶出系统的特殊设计,使得样品溶出不受溶解度限制,尤其适合难溶药物固体分散体的体外溶出测试。鉴于泊沙康唑的吸收部位在小肠,故参考FDA推荐介质(0.37 g·L-1聚山梨酯80的pH 6.8磷酸盐缓冲液)作为考察介质[13]。另一方面,考虑到流池法有限的流体剪切力度有时也会对溶出区分力造成一定的局限性,故考虑同步增加桨法溶出,但在桨法条件下,FDA推荐介质为快速溶出,无区分能力,故选用0.37 g·L-1十二烷基硫酸钠的pH 6.0磷酸盐缓冲液作为桨法区分性介质,以两种溶出方法并行互补来区分和筛选HME关键质量属性,共推制剂药物的处方设计。
HPC具有一定的亲水性,理用论上有助于提升制剂的溶出。在热熔挤出处方中分别加入不同质量分数的HPC(0%、2.5%)制备成两种自研片剂。通过两种溶出方法对这两种自研片剂对比参比片剂进行溶出研究,结果见图5。在桨法0.37 g·L-1十二烷基硫酸钠的pH 6.0磷酸盐缓冲液条件下各片剂溶出行为基本一致,由于桨法中的溶出介质体积为1 000 mL,API在浆法条件下始终未达到饱和状态,溶出区分力不足,3条溶出曲线相似,无法区分不同工艺处方制备的药物。而在流池法实验中发现(图5B),随着热熔挤出处方HPC加入量的改变,溶出结果有着明显差异。这是因为流池法所用的溶出介质较少,溶解度高的物质溶出较快,鉴于HPC具有亲水作用,随溶出介质不断冲击,热熔挤出处方含有HPC的样品溶出较快,因此,在处方加入质量分数2.5% HPC的自研片剂溶出快于处方中不加HPC的自研片剂。鉴于参比制剂与处方不加HPC的自研片剂溶出结果相似,因此自研片剂无须在热熔挤出处方中加入HPC。
随后考察了粗细2种不同挤出物粒径的自研片剂和参比片剂在2种方法下的溶出行为。桨法的溶出曲线见图6A,热熔挤出混颗粒粒径越小,在桨法中溶出越快,这是由于比表面积不同所引起的。而在流池法中(图6B),3种药物的溶出曲线相似。这是因为药物本身片质量较大,药物崩散后在流池杯所占体积较大,即使增大流速仍不能将药物冲散,且在介质中共聚物膨胀变成白色团聚物,随时间推移,其在溶出介质中已经不是以单一粒子的形式存在,而是形成更大的聚团,导致无法区分由不同粒径大小的热熔挤出混颗粒所制备的片剂。根据两种溶出方法比较,细粒径制备的制剂溶出行为与参比制剂基本一致(f2=81),故选择细粒挤出混颗粒作为处方工艺。
通过流池法(0.37 g·L-1聚山梨酯80的pH 6.8磷酸盐缓冲液)以及桨法(0.37 g·L-1十二烷基硫酸钠的pH 6.0磷酸盐缓冲液)对标参比制剂的溶出释放曲线,工艺处方选择不在热熔挤出处方中添加HPC,同时优选粒径较细的挤出混颗粒制备成片剂。
晶型是药物的一项重要性能参数,不同晶型的同种药物,其药理学、毒理学、溶解度等理化性质往往会有较大差异。鉴于药物活性成分在热熔挤出时,可能会因为在外力、温度、湿度、其他成分的作用下,导致晶型的转变,因此有必要对挤出物晶型进行研究。
泊沙康唑API,载体HPMCAS,以及热熔挤出物的DSC结果见图7,泊沙康唑在134.52 ℃(Tm1)和167.94 ℃(Tm2)有明显的吸热峰,此温度为泊沙康唑2种不同晶态的熔点,载体HPMCAS玻璃化转变温度Tg为121.55 ℃,但经热熔挤出工艺后,无熔点峰,且玻璃化转变温度Tg1降为96.24 ℃,表明泊沙康唑API已分散至HPMCAS中形成无定型药物,API小分子对挤出物具有明显的增塑效应。DSC的Tm1TgTg1窗口从热力学层面证明和支持了前面流变学的评估,在双螺杆的剪切致稀推动下,HME选择140 ℃作为挤出温度兼顾了熔体的流动性和可加工性,避免了因设定过高挤出温度可能引发的产品降解风险。
X衍射谱图(图8)显示,泊沙康唑API在2θ为7.78°、9.99°、11.77°、14.52°、15.22°、15.74°、16.06°、16.38°、17.92°、18.33°、19.17°、19.55°、20.9°、22.34°、25.67°处有特征峰,根据上述DSC的热谱,应为2种晶型的混合体,而药物热熔挤出物及载体中没有出现泊沙康唑晶型的特征衍射峰,也没有产生其他任何新的特征衍射峰,故推测经热熔挤出工艺后,泊沙康唑API的晶型已转变为无定型。
API、HPMCAS和热熔挤出物的拉曼光谱见图9,API最主要的特征峰为1 613 cm-1,源于泊沙康唑本身具有的多个苯环形成的C=C双键,并在500~1 500 cm-1和2 700~3 000 cm-1存在其他特征峰。HPMCAS在2 700~3 000 cm-1的峰源于C-H键,热熔挤出物的光谱中不仅具有1 613 cm-1这一泊沙康唑最强特征峰,并且在2 700~3 000 cm-1和HPMCAS的光谱相似,这说明热熔挤出物同时包括这2种组分。但是在500~1 500 cm-1波段中API特征峰变弱或消失,光谱的变化可能与挤出物的聚集态有关。
进一步在显微拉曼光谱仪下考察API、HPMCAS的直接物理混合物(API + HPMCAS)与热熔挤出物的形貌,并分别以图9所示的拉曼光谱API(红)、HPMCAS(绿)和热熔挤出物(紫)作为参比进行拉曼成像对组分分布进行比较,结果见图10。其中红色成像区域表示该物质的光谱与API光谱相符合,为API分布;而绿色成像区域与HPMCAS光谱相符合,为HPMCAS分布;紫色成像区域与热熔挤出物光谱相符合,为热熔挤出物分布。从图10A、B中,可明显看到API+HPMCAS物理直混物是由无规则颗粒形态的API和长条状的HPMCAS组成,在整个体系中未有热熔挤出物成像被检出。而在图10C和D中,发现热熔挤出物颗粒呈现不规则状态,且粒径明显大于单独的API,同时在整个体系中未有API和HPMCAS成像被检出。拉曼成像结果表明,热熔挤出后的组分已经不再是API和HPMCAS的直接物理混合,而是形成了一种新的分子层级的固体分散体。
在偏光显微镜下考察物理混合物(API+HPMCAS),当起偏器和检偏器夹角为0°时(平行偏光),可以观测到不规则状的API和长条状的HPMCAS(图11A),而当起偏器和检偏器夹角为90°时(正交偏光),HPMCAS无法被观测到,说明该粒子为非晶体,API所处的区域则透射着晶态双折射织纹。在平行偏光中观察到的热熔挤出物(图11C),在正交偏光视野下已无晶体透射光织纹(图11D),这说明在热熔挤出物中,已经不存在晶体结构。
综合DSC、XRD和偏光显微镜的结果表明,泊沙康唑在热熔挤出过程中其型态本身已从多晶体转变成无定形,而拉曼显微成像则进一步证明泊沙康唑已经与聚合物载体HPMCAS形成分子层级的固体分散体。
根据研究结果最后确定聚合物载体为HPMCAS(型号:MMP),热熔挤出物中不加入羟丙基纤维素及选用细颗粒挤出物,140 ℃作为热熔挤出温度并在此基础上进行了3批10万片的申报批生产。在体外溶出相似的基础上,根据国家对化学仿制药质量和疗效一致性的要求[14-15],采用两周期、双交叉临床试验设计,进行了泊沙康唑肠溶片在空腹及餐后状态下人体生物等效性研究(空腹48例,餐后30例),临床试验进一步表明自研制剂T(批号:0000045285)与参比制剂RLD(批号:U025070)在体内也达到了药物释放匹配,其空腹和餐后药动学指标cmax、AUC0-t、AUC0-∞在90%置信区间内的自研对原研的T/R比值在92.03%~98.92%之间,均在80%~125%内,达到生物等效,为产品的质量和疗效的一致性奠定了基础。
流变学有效地衔接了制剂处方与热熔挤出工艺参数的设定,包括但不限于聚合物载体的筛选、热熔挤出温度的优化和工艺成型性,避免了中小试放大的摸索盲目性,降低了高成本原料药的研发放大成本,在确保药物关键质量属性的同时大幅度提高了药物研发的效率。该研究对其他热熔挤出制剂的处方工艺开发具有借鉴作用,也为“质量源于设计”理念提供了新的思路,并拓展了流变学、流通池等方法在药物开发过程中的应用。
  • 浙江省领军型创新创业团队建设项目资助(2019R01009)
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2025年第60卷第5期
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doi: 10.11669/cpj.2025.05.006
  • 接收时间:2024-03-18
  • 首发时间:2025-11-07
  • 出版时间:2025-03-08
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  • 收稿日期:2024-03-18
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浙江省领军型创新创业团队建设项目资助(2019R01009)
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    浙江华海药业股份有限公司, 浙江 临海 317000

通讯作者:

* 赵周明,男,博士,正高级工程师 研究方向:药物制剂研发、高分子材料与工程、化学计量学 Tel:(0576) 85016418
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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