2</sub> 相似因子)計算自制制劑與原研制劑的溶出相似性;同時在健康成年受試者中進(jìn)行單劑量、兩制劑、兩序列、兩周期交叉試驗設(shè)計的藥代動力學(xué)研究,檢測空腹及高脂餐后兩種狀態(tài)下受試者的血藥濃度,計算藥代動力學(xué)參數(shù)。結(jié)果在4種溶出介質(zhì)中,自制制劑與原研制劑的累積溶出曲線相似;藥代動力學(xué)研究顯示,空腹及餐后狀態(tài)下,自制制劑與原研制劑的藥代參數(shù) C<sub>max,AUC0+</sub> 的幾何均值比值及其 90% 置信區(qū)間均在 80.00%~125.00% 范圍內(nèi)。結(jié)論自制制劑與原研制劑體外溶出相似,且在藥代動力學(xué)上生物等效。-龍源期刊網(wǎng)" />

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利格列汀片的制備及體內(nèi)外評價

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本文引用:龍世玉,劉,秀,秦杰峰,王玲蘭,任超,劉文龍。利格列汀片的制備及體內(nèi)外評價[JI.湖南中醫(yī)藥大學(xué)學(xué)報,2025,45(5):856-861.

[關(guān)鍵詞]利格列汀片;溶出曲線;原研制劑;生物等效;高效液相色譜法 [中圖分類號]R927 [文獻(xiàn)標(biāo)志碼]A [文章編號]doi:10.3969/j.issn.1674-070X.2025.05.010

[Abstract]Objective To developa generic linagliptintablet with consistentin vitro dissolutionandinvivo bioequivalence tothereferencepreparationMethodsLinagliptintabletswereprepared.Ahighperformanceliquidchromatography(HPLC)-based invitrodisslution testingmethodwasestablishedtodeterminethecumulativedisolutionofboththetestandthereference preparationsinfourmedia:pH1Ohydrochloricacidsolution,pH4.5sodiumacetatebufer,pH6.8potassiumdihydrogen phosphatebuffr,andwater.Thedissolutionsimilaritybetweenthepreparationswasassessedusingthemodel-independent approach ( I2 similarity factor).Concurrentlyasingle-dose,two-preparation,two-sequence,two-periodcrossverpharmacokinetic studywasconductedinhealthyadultsubjects,withbloodconcentrationsoflinagliptinmeasuredunderfastingandhighfatpostmeal conditions.Pharmacokineticparameters werecalculatedResultsThecumulativedisolutionprofilesofthetestandreference preparationsweresimilarinallfourdissolutionmediaPharmacokineticanalysisrevealedthatunderbothfastingandfed conditions,the geometric mean ratios (GMRs) and 90% confidence intervals (CIs) for Cmax and AUC 10+ of the test preparation relative to the reference preparation fell entirely within the acceptance range of 80.00% 1 .125.00% .Conclusion The test preparation of linagliptin tablets exhibited similar in vitro dissolutionand pharmacokinetic bioequivalence to thereference preparation.

[Keywords]nagliptintablets;diolutonprofileferencepreparatio;boeqilene;hghpformanceliquidhomtoga

利格列汀作為二肽基肽酶-4(dipeptidyl pepti-dase-4,DPP-4)抑制劑,最初由勃林格殷格翰公司開發(fā),并于2011年首次在美國批準(zhǔn)上市,適應(yīng)證為2型糖尿病。(剩余9066字)

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