Article(id=1321425837358957274, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1321425776323449136, articleNumber=null, orderNo=null, doi=10.20251/j.cnki.1003-3734.2026.14.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=1770912000000, acceptedDateStr=2026-02-13, onlineDate=1792982070531, onlineDateStr=2026-10-26, pubDate=1785340800000, pubDateStr=2026-07-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792982070531, onlineIssueDateStr=2026-10-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792982070531, creator=13701087609, updateTime=1792982070531, updator=13701087609, issue=Issue{id=1321425776323449136, tenantId=1146029695717560320, journalId=1235980733773295621, year='2026', volume='35', issue='14', pageStart='1457', pageEnd='1568', issueExtLink='null', onlineDate='null', pubDate='1785340800000', pubDateStr='2026-07-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792982055979, creator='13701087609', updateTime=1792982930455, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321429444191966074, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1321425776323449136, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321429444196160379, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1321425776323449136, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1527, endPage=1538, ext={EN=ArticleExt(id=1321425837522535131, articleId=1321425837358957274, tenantId=1146029695717560320, journalId=1235980733773295621, language=EN, title=Preparation and in vitro-in vivo evaluation of lasmiditan tablets, columnId=null, journalTitle=Chinese Journal of New Drugs, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Objective:

To prepare lasmiditan tablets and study the in vitro dissolution and pharmacokinetics.

Methods:

Literature and patents were investigated for designing and optimizing the formulation composition and preparation process. Based on the wet granulation preparation process, taking Reyow® as the reference preparation, the optimal excipient ratios of pregelatinized starch, croscarmellose sodium and magnesium stearate were screened out by Box-Behnken experiment. The particle size and tableting hardness of the API before granulation were determined by single factor experiment. The relevant permeation parameters and pharmacokinetic characteristics of the self-developed tablets and reference preparation in the PAMPA (parallel artificial membrane permeability assay) and the pharmacokinetic characteristics in Beagle dogs were further studied.

Results:

The particle size of the API was determined to be 220 μm, and the hardness of the tablet was 80 N. The content of pregelatinized starch was 8.77%, and the content of croscarmelase sodium was 4.58%. The magnesium stearate content was 2.67%. The membrane permeability of the self-developed tablets and the reference preparation were 1.125×10-4 and 1.117×10-4 cm·s-1, respectively, and the permeability rates were 0.846 804 and 0.847 113 μg·min-1·cm-2, respectively. The in vivo experiments showed that the Cmax of the self-made tablets and Reyow® were 189 and 188 ng·L-1, the Tmax was 3 h. The oral relative bioavailability of homemade tablets was 93.32%.

Conclusion:

The PAMPA permeation and release behavior in Beagle dogs were basically the same between the self-developed tablets and the reference tablets. The self-developed preparation is preliminary bioequivalent to the original product. The process is suitable for the preparation of lasmiditan tablets.

, authors=Jun-wei JIA1, Jian-cheng HAN2, Hui WANG3, Chun WANG4, Zhong FENG1, 2, 3, 4, *, authorsList=Jun-wei JIA, Jian-cheng HAN, Hui WANG, Chun WANG, Zhong FENG, authorCompany=null, correspAuthors=Zhong FENG, 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, fund=null), CN=ArticleExt(id=1321425837824525020, articleId=1321425837358957274, tenantId=1146029695717560320, journalId=1235980733773295621, language=CN, title=拉米地坦片制备及体内外评价, columnId=1236330556003242277, journalTitle=中国新药杂志, columnName=实验研究, runingTitle=null, highlight=null, articleAbstract=
目的:

调研文献并设计自研制剂处方组成,对其处方组成以及制备工艺进行优化,制备拉米地坦片,同时对其体外溶出、药动学进行研究。

方法:

基于湿法制粒制备工艺,通过Box-Behnken实验法,以Reyow®作为参比制剂,筛选出预胶化淀粉、交联羧甲基纤维素钠、硬脂酸镁最佳辅料配比;通过单因素实验法确定制粒前原料药粒径和压片硬度;进一步研究自研制剂和参比制剂在体外平行人工膜(parallel artificial membrane permeability assay, PAMPA)中相关渗透参数及在Beagle犬体内的药动学特征。

结果:

经实验确定原料药的最优粒径为220 μm,压片硬度为80 N;预胶化淀粉含量为8.77%,交联羧甲基钠含量为4.58%,硬脂酸镁含量为2.67%。自研制剂与参比制剂的膜渗透性分别为1.125×10-4和1.117×10-4 cm·s-1,渗透速率分别为0.846 804和0.847 113 μg·min-1·cm-2。体内试验表明,自研制剂和Reyow®的Cmax分别为189和188 ng·L-1,Tmax为3 h。自研制剂的口服相对生物利用度为93.32%。

结论:

自研制剂与参比制剂,在体外PAMPA渗透和Beagle犬体内释放行为基本一致,自研制剂与原研片剂体内生物初步等效,该工艺适用于拉米地坦片的制备。

, authors=贾俊伟1, 韩建成2, 王慧3, 王纯4, 冯中1, 2, 3, 4, *, authorsList=贾俊伟, 韩建成, 王慧, 王纯, 冯中, authorCompany=null, correspAuthors=冯中, authorNote=

贾俊伟,男,高级工程师,主要从事新药研究和开发。E-mail: 。

, correspAuthorsNote=
* 冯中,男,正高级工程师,主要从事新药研究与开发。E-mail: 。
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贾俊伟,男,高级工程师,主要从事新药研究和开发。E-mail: 。

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贾俊伟,男,高级工程师,主要从事新药研究和开发。E-mail: 。

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贾俊伟 1 , 韩建成 2 , 王慧 3 , 王纯 4 , 冯中 1, 2, 3, 4, *
中国新药杂志 | 实验研究 2026,35(14): 1527-1538
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中国新药杂志 |实验研究 2026 , 35 (14) : 1527 -1538
拉米地坦片制备及体内外评价
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贾俊伟1 , 韩建成2, 王慧3, 王纯4, 冯中1, 2, 3, 4, *
作者信息
  • 1鲁南制药集团股份有限公司/山东省药物国际化工程实验室,临沂 276006
  • 2延边大学药学院,延吉 133002
  • 3天津中医药大学研究生院,天津 301617
  • 4山东中医药大学药学院,济南 250355
通讯作者:
* 冯中,男,正高级工程师,主要从事新药研究与开发。E-mail: 。
作者简介:

贾俊伟,男,高级工程师,主要从事新药研究和开发。E-mail: 。

Preparation and in vitro-in vivo evaluation of lasmiditan tablets
Jun-wei JIA1 , Jian-cheng HAN2, Hui WANG3, Chun WANG4, Zhong FENG1, 2, 3, 4, *
Affiliations
  • 1Pharmaceutical Internationalization Engineering Laboratory of Shandong Province, Lunan Pharmaceutical Group Co., Ltd., Linyi 276006, China
  • 2College of Pharmacy, Yanbian University, Yanji 133002, China
  • 3Graduate School, Tianjin University of traditional Chinese Medicine, Tianjin 301617, China
  • 4School of Pharmaceutical Sciences, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
出版时间: 2026-07-30 doi: 10.20251/j.cnki.1003-3734.2026.14.011
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目的:

调研文献并设计自研制剂处方组成,对其处方组成以及制备工艺进行优化,制备拉米地坦片,同时对其体外溶出、药动学进行研究。

方法:

基于湿法制粒制备工艺,通过Box-Behnken实验法,以Reyow®作为参比制剂,筛选出预胶化淀粉、交联羧甲基纤维素钠、硬脂酸镁最佳辅料配比;通过单因素实验法确定制粒前原料药粒径和压片硬度;进一步研究自研制剂和参比制剂在体外平行人工膜(parallel artificial membrane permeability assay, PAMPA)中相关渗透参数及在Beagle犬体内的药动学特征。

结果:

经实验确定原料药的最优粒径为220 μm,压片硬度为80 N;预胶化淀粉含量为8.77%,交联羧甲基钠含量为4.58%,硬脂酸镁含量为2.67%。自研制剂与参比制剂的膜渗透性分别为1.125×10-4和1.117×10-4 cm·s-1,渗透速率分别为0.846 804和0.847 113 μg·min-1·cm-2。体内试验表明,自研制剂和Reyow®的Cmax分别为189和188 ng·L-1,Tmax为3 h。自研制剂的口服相对生物利用度为93.32%。

结论:

自研制剂与参比制剂,在体外PAMPA渗透和Beagle犬体内释放行为基本一致,自研制剂与原研片剂体内生物初步等效,该工艺适用于拉米地坦片的制备。

拉米地坦  /  处方开发  /  体内外生物等效性评价  /  Box-Behnken实验法  /  PAMPA模型
Objective:

To prepare lasmiditan tablets and study the in vitro dissolution and pharmacokinetics.

Methods:

Literature and patents were investigated for designing and optimizing the formulation composition and preparation process. Based on the wet granulation preparation process, taking Reyow® as the reference preparation, the optimal excipient ratios of pregelatinized starch, croscarmellose sodium and magnesium stearate were screened out by Box-Behnken experiment. The particle size and tableting hardness of the API before granulation were determined by single factor experiment. The relevant permeation parameters and pharmacokinetic characteristics of the self-developed tablets and reference preparation in the PAMPA (parallel artificial membrane permeability assay) and the pharmacokinetic characteristics in Beagle dogs were further studied.

Results:

The particle size of the API was determined to be 220 μm, and the hardness of the tablet was 80 N. The content of pregelatinized starch was 8.77%, and the content of croscarmelase sodium was 4.58%. The magnesium stearate content was 2.67%. The membrane permeability of the self-developed tablets and the reference preparation were 1.125×10-4 and 1.117×10-4 cm·s-1, respectively, and the permeability rates were 0.846 804 and 0.847 113 μg·min-1·cm-2, respectively. The in vivo experiments showed that the Cmax of the self-made tablets and Reyow® were 189 and 188 ng·L-1, the Tmax was 3 h. The oral relative bioavailability of homemade tablets was 93.32%.

Conclusion:

The PAMPA permeation and release behavior in Beagle dogs were basically the same between the self-developed tablets and the reference tablets. The self-developed preparation is preliminary bioequivalent to the original product. The process is suitable for the preparation of lasmiditan tablets.

lasmiditan  /  prescription development  /  evaluation of bioequivalence in vivo and in vitro  /  Box-Behnken experiment  /  PAMPA model
贾俊伟, 韩建成, 王慧, 王纯, 冯中. 拉米地坦片制备及体内外评价. 中国新药杂志, 2026 , 35 (14) : 1527 -1538 . DOI: 10.20251/j.cnki.1003-3734.2026.14.011
Jun-wei JIA, Jian-cheng HAN, Hui WANG, Chun WANG, Zhong FENG. Preparation and in vitro-in vivo evaluation of lasmiditan tablets[J]. Chinese Journal of New Drugs, 2026 , 35 (14) : 1527 -1538 . DOI: 10.20251/j.cnki.1003-3734.2026.14.011
  • 泰山产业领军人才项目(tscx202306086)
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2026年第35卷第14期
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doi: 10.20251/j.cnki.1003-3734.2026.14.011
  • 首发时间:2026-10-26
  • 出版时间:2026-07-30
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  • 录用日期:2026-02-13
基金
泰山产业领军人才项目(tscx202306086)
作者信息
    1鲁南制药集团股份有限公司/山东省药物国际化工程实验室,临沂 276006
    2延边大学药学院,延吉 133002
    3天津中医药大学研究生院,天津 301617
    4山东中医药大学药学院,济南 250355

通讯作者:

* 冯中,男,正高级工程师,主要从事新药研究与开发。E-mail: 。
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
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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