NO340156B1 - Fremgangsmåte for fremstilling av en fast, oralt administrerbar farmasøytisk sammensetning - Google Patents
Fremgangsmåte for fremstilling av en fast, oralt administrerbar farmasøytisk sammensetning Download PDFInfo
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- NO340156B1 NO340156B1 NO20062942A NO20062942A NO340156B1 NO 340156 B1 NO340156 B1 NO 340156B1 NO 20062942 A NO20062942 A NO 20062942A NO 20062942 A NO20062942 A NO 20062942A NO 340156 B1 NO340156 B1 NO 340156B1
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- UYXAWHWODHRRMR-UHFFFAOYSA-N hexobarbital Chemical compound O=C1N(C)C(=O)NC(=O)C1(C)C1=CCCCC1 UYXAWHWODHRRMR-UHFFFAOYSA-N 0.000 description 1
- 229960002456 hexobarbital Drugs 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 201000004332 intermediate coronary syndrome Diseases 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 229960001375 lactose Drugs 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229940099273 magnesium trisilicate Drugs 0.000 description 1
- 235000019793 magnesium trisilicate Nutrition 0.000 description 1
- 229910000386 magnesium trisilicate Inorganic materials 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000845 maltitol Substances 0.000 description 1
- 235000010449 maltitol Nutrition 0.000 description 1
- VQHSOMBJVWLPSR-WUJBLJFYSA-N maltitol Chemical compound OC[C@H](O)[C@@H](O)[C@@H]([C@H](O)CO)O[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O VQHSOMBJVWLPSR-WUJBLJFYSA-N 0.000 description 1
- 229940035436 maltitol Drugs 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 229960001855 mannitol Drugs 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 208000010125 myocardial infarction Diseases 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001983 poloxamer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 208000037803 restenosis Diseases 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229960001148 rivaroxaban Drugs 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- 229940023144 sodium glycolate Drugs 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 229940035049 sorbitan monooleate Drugs 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- 235000010356 sorbitol Nutrition 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 229960002920 sorbitol Drugs 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 201000010875 transient cerebral ischemia Diseases 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 235000019731 tricalcium phosphate Nutrition 0.000 description 1
- 229940078499 tricalcium phosphate Drugs 0.000 description 1
- 229910000391 tricalcium phosphate Inorganic materials 0.000 description 1
- 239000001069 triethyl citrate Substances 0.000 description 1
- 235000013769 triethyl citrate Nutrition 0.000 description 1
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 description 1
- JEJAMASKDTUEBZ-UHFFFAOYSA-N tris(1,1,3-tribromo-2,2-dimethylpropyl) phosphate Chemical compound BrCC(C)(C)C(Br)(Br)OP(=O)(OC(Br)(Br)C(C)(C)CBr)OC(Br)(Br)C(C)(C)CBr JEJAMASKDTUEBZ-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
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Description
Foreliggende oppfinnelse angår en fremgangsmåte for fremstilling av en fast, oralt administrerbar farmasøytisk sammensetning som innbefatter 5-klor-N-({(5S)-2-okso-3-[4-(3-okso-4-morfolinyl)-fenyl]-l ,3-oksazolidin-5-yl}-metyl)-2-tiofenekarboksamid i hydrofilisert form, og dens anvendelse for fremstilling av medikament for profylakse og/eller behandling av sykdommer.
5-klor-A^-({(5S)-2-okso-3-[4-(3-okso-4-morfolinyl)-fenyl]-l,3-oksasolidin-5-yl]}-metyl)-2-tiofenekarboksamid (I) er en lavmolekylvekt oralt administrerbar inhibitor av blodlevringsfaktor Xa, som kan anvendes for profylakse og/eller behandling av forskjellige tromboemboliske sykdommer (for dette se WO-A 01/47919, hvis beskrivelse herved er inkludert som referanse). Hvis diskusjonen nedenfor angår den aktive forbindelsen (I), er alle modifikasjoner av 5-kloro-7/-({(5S)-2-okso-3-[4-(3-okso-4-morfolinyl)-fenyl]-l,3-oksazolidin-5-yl}-metyl)-2-tiofenekarboksamid (I), og respektive hydrater i tillegg inkludert.
Den aktive forbindelsen (I) har en relativt dårlig vannløslighet (ca. 7 mg/L). Som et resultat kan dette gi problemer med den orale biotilgjengeligheten og en økt biologisk absorpsjonsvariasjon.
For å øke den orale biotilgjengeligheten har forskjellige konsepter tidligere blitt beskrevet: Således blir løsninger av de aktive forbindelsene ofte anvendt som f.eks. kan fylles i myke gelatinkapsler. På bekostning av dårlig løselighet av den aktive forbindelsen (I) i løsemidler som anvendt for dette formålet er denne muligheten imidlertid i foreliggende tilfelle ikke mulig siden den nødvendige dosestyrken og kapselstørrelsen vil ikke være mulig å svelge.
En alternativ fremgangsmåte er amortisering av den aktive forbindelsen. Her viser fremgangsmåten for oppløsning seg problematisk siden den aktive forbindelsen (I) er dårlig løselig i farmasøytisk akseptable løsemidler slike som etanol eller aceton. Amortisering av den aktive forbindelsen ved hjelp av fusjonsfremgangsmåten er også ufordelaktig på grunn av det høye smeltepunktet til den aktive forbindelsen (ca. 230°C), siden en uønsket høy andel av nedbrytningskomponenter dannes i løpet av fremstillingen.
Videre har en fremgangsmåte for hydrofilisering av de hydrofobe aktive forbindelsene som er eksemplifisert ved heksobarbital og fenytoin blitt beskrevet (Lerk, Lagas, Fell, Nauta, Journal ofPharmaceutical Sciences Vol. 67, No. 7, July 1978, 935 - 939: "Effect of Hydrophilization of Hydrophobic Drugs on Release Rate from Capsules"; Lerk, Lagas, Lie-A-Huen, Broersma, Zuurman, Journal ofPharmaceutical Sciences Vol. 68, No. 5, May 1979, 634-638: "In Vitro and In Vivo Availability of Hydrophilized Phenytoin from Capsules"). De aktive forbindelsespartiklene blandes her i en blander med en metyl- eller
hydroksyetylcelluloseløsning med unngåelse av et agglomereringstrinn og deretter tørking. Den
aktive forbindelsen således oppnådd blir deretter fylt i harde gelatinkapsler uten ytterligere behandling.
Det vises også til følgende publikasjoner: Shangraw R. "Compressed Tablets by Direct Compression", Pharmaceutical Dosage Forms tablets, Marcel Dekker, Inc. New York and Basel, 1989, vol. 1, s. 202-203; Aulton M.E. "Pharmaceutics: The Science of Dosage Form Design", Edinburg, 1998, side 136, 137, 154-156; Bauer Kurt H, Fromming Karl-Heinz, Fuhrer Claus "Lehrbuch der Pharmazeutischen Technologie", Stuttgart, 7. ed. s. 220-221, 311; Parikh Dilip M. "Handbook of Pharmaceutical Granulation Technology", Taylor & Francis, New York,
(1997), vol. 81, p 7-9; Bruchhausen, F. et al. "Hagers Handbuch der pharmazeutischen Praxis, Bd 2: Methoden", s. 730-734, Springer Verlag, Berlin Heidelberg New York 1991 og Staumpfuss J. et al. "The effect of food on the absorption and pharmacokinetics of rivaroxaban", International Journal of Clinical Pharmacology and Therapeutics, (2013) Vol. 51, no. 7, s. 549-561
Overraskende har det blitt funnet at en spesiell behandling av overflaten til den aktive forbindelsen (I) i løpet av den fuktige granuleringen avstedkommer forbedret absorpsjon. Anvendelsen av den aktive forbindelsen (I) i hydrofilisert form ved fremstilling av faste oralt administrerbar farmasøytisk sammensetninger fører til en signifikant økning i biotilgjengelighet av den således oppnådde formuleringen.
Den foreliggende oppfinnelse angår en fremgangsmåte for fremstilling av en fast oralt administrerbar farmasøytisk sammensetning som innbefatter 5-klor-N-({(5S)-2-okso-3-[4-(3-okso-4-morfolinyl)-fenyl]-1,3-oksazolidin-5-yl} -metyl)-2-tiofenekarboksamid i hydrofilisert form, hvori
(a) først granuler som innbefatter den aktive forbindelse (I) i hydrofilisert form fremstilles
ved fuktig granulering
(b) og granulene blir deretter omdannet til den farmasøytiske sammensetningen, hvis
hensiktsmessig med tilsetting av farmasøytisk egnede additiver,
hvor den fuktige granuleringsfremgangsmåten som anvendes er fluidisert seng granulering.
I den fuktige granuleringen kan den aktive forbindelsen (I) enten introduseres til forhåndsblandingen (opprinnelig blanding) som et faststoff eller den suspenderes i granuleringsvæsken. Foretrukket blir den aktive forbindelsen (I) suspendert i granuleringsvæsken introdusert i den fuktige granuleringen (suspensjonsfremgangsmåte).
I en foretrukket utførelsesform ifølge oppfinnelsen blir den aktive forbindelsen (I) anvendt i krystallinsk form.
I en svært foretrukket utførelsesform ifølge oppfinnelsen blir den krystallinske aktive forbindelse (I) anvendt i mikronisert form. Den aktive forbindelsen (I) har i dette tilfellet foretrukket en gjennomsnittlig partikkelstørrelse X50på mindre enn 10 um, særlig mellom 1 og 8 um, og X90(90% andel) på mindre enn 20 um, særlig mindre enn 15 um.
Granuleringsvæsken som anvendes ifølge oppfinnelsen inneholder et løsemiddel, et hydrofilt bindemiddel og, hvis hensiktsmessig, et fuktemiddel. Det hydrofile bindemiddelet blir i dette tilfellet dispergert i granuleringsvæsken eller foretrukket oppløst deri.
Løsemidlene anvendt for granuleringsvæsken kan være organiske løsemidler, slik som for eksempel metanol eller aceton, eller vann eller blandinger derav. Foretrukket blir vann anvendt som løsemiddel.
De hydrofile bindemidlene anvendt for granuleringsvæsken er farmasøytisk egnede hydrofile additiver, foretrukket de som løses opp i løsemiddelet i granuleringsvæsken.
Foretrukket blir hydrofile polymerer slike som for eksempel hydroksypropylmetylcellulose (HPMC), karboksymetylcellulose (natrium og kalsiumsalter), etylcellulose, metylcellulose, hydroksyetylcellulose, etylhydroksyetylcellulose, hydroksypropylcellulose (HPC), L-HPC
(lavsubstituert HPC), polyvinylpyrrolidon, polyvinyl alkohol, polymerer av akrylsyre eller dens salter, vinylpyrrolidonvinylasetat kopolymerer (for eksempel Kollidon® VA64, BASF), gelatin, guargummi, særlig hydrolysert stivelse, alginater eller eksantan anvendt her. Særlig foretrukket blir HPMC anvendt som et hydrofilt bindemiddel.
Det hydrofile bindemiddelet kan presenteres her i en konsentrasjon på 1 til 15% (basert på totalmassen til den farmasøytiske sammensetningen), foretrukket 1 til 8%.
De eventuelt tilstedeværende fuktemidlene anvendt for granuleringsvæsken er farmasøytisk akseptable fuktemidler (surfaktanter). Følgende kan for eksempel nevnes: Natriumsalter av fett alkoholsulfater slike som natriumlaurylsulfat, sulfosukkinater slik som natriumdioktylsulfosukkinater, delvise fettsyreestere av polyhydroksyalkoholer slike som glyserolmonostearate, delvise fettsyreestere av sorbitan slik som sorbitanmonolaurat, delvise fettsyreestere av polyhydroksyetylensorbitan slik som pulyetylen glykol sorbitan monolaurat, monostearat eller monooleat, polyhydroksyetylen fettalkoholetere, polyhydroksyetylen fettsyreestere, etylen oksidpropylen oksid blokk kopolymerer (Pluronic®) eller etoksylerte triglyserider. Foretrukket blir natriumlauryl sulfat anvendt som et fuktemiddel.
Hvis påkrevet blir fuktemiddelet anvendt i en konsentrasjon på 0,1 til 5% (basert på totalmassen av den farmasøytiske sammensetningen), foretrukket 0,1 til 2%.
I forhåndsblandingen (opprinnelig blanding) av den fuktige granuleringen er ytterligere farmasøytiske additiver tilstede. Følgende kan nevnes, for eksempel: tørre bindemidler slik som cellulosepulver, mikrokrystallinsk cellulose, silisiumreagert
mikrokrystallinsk cellulose, dikalsiumfosfat, trikalsiumfosfat, magnesiumtrisilikat, mannitol, maltitol, sorbitol, xylitol, laktose (vannfri eller som et hydrat, for eksempel monohydrat), dekstrose, maltose, sukrose, glukose, fruktose eller maltodekstriner desintegrasjonsfremmende midler (desintegrater) slik som karboksymetyl cellulose,
kroskarmellose (tverrbundet karboksymetyl cellulose), krospovidon (tverrbundet polyvinylpyrrolidon), L-HPC (lavsubstituert hydroksypropylcellulose), natrium karboksymetylstivelse, natriumglykolat av potetstivelse, delvis hydrolisert stivelse, hvetestivelse, maisstivelse, risstivelse eller potetstivelse.
I tilfeller hvor tablettformuleringer har modifisert (forsinket) frigivelse av aktiv forbindelse kan istedenfor desintegrasjonspromotoren (desintegrant) substanser være tilstede som influerer frigivelseshastigheten. Følgende kan for eksempel nevnes: hydroksypropylcellulose, hydroksypropylmetylcellulose, metylcellulose, etylcellulose, karboksymetyl cellulose, galaktomannan, xantan, glyserider, vokser, akryl og/eller metakrylsyreesterkopolymerer med trimetylammonium metylakrylat, kopolymerer av dimetylaminometakrylsyre og naturlige metakrylsyreestere, polymerer av metakrylsyre eller metakrylsyreestere, etylakrylat-metyl metakrylat kopolymerer eller metakrylsyre-metylakrylat kopolymerer.
Granulene oppnådd i fremgangsmåtetrinn (a) blir deretter omdannet til den farmasøytiske sammensetningen ifølge oppfinnelsen i fremgangsmåtetrinn (b).
Fremgangsmåtetrinn (b) innbefatter for eksempel tablettering, fylling i kapsler, foretrukket harde gelatinkapsler, eller fylling som sasjeer, i hvert tilfelle i henhold til vanlige fremgangsmåter kjente for fagmannen, hvis hensiktsmessig med tilsetning av ytterligere farmasøytisk egnede additiver.
Farmasøytisk egnede additiver som kan nevnes er for eksempel:
smøremidler, glidemidler, strømningsregulerende midler slik som fumarsyre,
stearinsyre, magnesiumstearat, kalsiumstearat, natriumstearylfAimarat, høymolekylvekt fettalkoholer, polyetylenglykoler, stivelse (hvete, ris, mais eller potetstivelse), talkum, høydispers (kolloidal) silika, magnesiumoksid, magnesiumkarbonat eller kalsiumsilikat
desintegrasjonspromotorer (desintegranter) slik som karboksymetylcellulose,
kroskarmellose (tverrbundet karboksymetylcellulose) krospovidon (tverrbundet polyvinylpyrrolidon), L-HPC (lavsubstituert hydroksypropylcellulose), natrium karboksymetylstivelse, delvis hydrolysert stivelse, hvete stivelse, maisstivelse, risstivelse eller potetstivelse.
Foreliggende oppfinnelse angår videre en fast oralt administrerbar farmasøytisk sammensetning som innbefatter 5-klor-A^-({(5S)-2-okso-3-[4-(3-okso-4-morfolinyl)-fenyl]-l,3-oksazolidin-5-yl}-metyl)-2-tiofenekarboxamid (I) i hydrofilisert form.
Den faste oralt administrerbare farmasøytiske sammensetningen ifølge oppfinnelsen innbefatter for eksempel og foretrukket granuler, harde gelatinkapsler eller sasjeer fylt med granuler, og tabletter som frigir den aktive forbindelsen (I) raskt eller på en
modifisert (forsinket) måte. Tabletter er foretrukket, særlig tabletter som raskt frigir den aktive forbindelsen (I). I sammenheng med foreliggende oppfinnelse er raskt frigivende
tabletter særlig de som, i henhold til USP frigivelsesmetoden som anvender apparatur 2 (rørverk), slik som beskrevet i eksperimentdelen som har en Q verdi (30 minutter) på 75%.
Den aktive forbindelsen (I) kan presenteres i den farmasøytiske sammensetningen ifølge oppfinnelsen i en konsentrasjon på 0,1 til 60%, foretrukket i en konsentrasjon på 1 til 40%, basert på totalmassen til formuleringen. Her er dosen av den aktive forbindelsen (I) foretrukket 1 til 100 mg.
Hvis hensiktsmessig blir granulene av tablettene ifølge oppfinnelsen belagt i et ytterligere trinn under vanlige betingelser kjente for fagmannen. Belegningen utføres med tilsetting av vanlige belegnings og filmdannende midler kjente for fagmannen, slik som hydroksypropylcellulose, hydroksypropylmetylcellulose, etylcellulose, polyvinylpyrrolidon, vinylpyrrolidon vinylasetat kopolymerer (for eksempel Kollidon® VA64, BASF), shellak, akryl og/eller metakrylsyre ester kopolymerer med trimetylammonium metylakrylat, kopolymerer av dimetylaminometakrylsyre og naturligere metakrylsyreestere, polymerer av metakrylsyre eller metakrylsyreestere, etyl akrylatmetyl metakrylat kopolymerer, metakryl syremetylakrylatkopolymerer, propylen glykol, polyetylen glykol, glyserol triasetat, trietyl sitrat og/eller farveadditiver/pigmenter slik som for eksempel titaniumdioksyd, jernoksid, indigitin eller egnede farvelaker.
Foreliggende oppfinnelse angår videre anvendelse av den farmasøytiske sammensetningen ifølge oppfinnelsen for fremstilling av medikament for profilakse og/eller behandling av sykdommer, særlig tromboemboliske sykdommer slik som hjerteinfarkt, angina pektoris (som inkluderer ustabil angina), reokklusjon og restenose etter en angioplasti eller aortokoronar bypass, serebralt infarkt, transistoriske iskermiske angrep, periferale arteriale okklusive sykdommer, pulmonær embolismer eller dypvenetromboser.
Oppfinnelsen vil bli illustrert mer i detalj nedenfor ved hjelp av foretrukne eksemplifiserte utførelsesformer, til hvilke imidlertid oppfinnelsen ikke er begrenset. Hvis ikke annet er angitt angår alle kvantitative data nedenfor prosentandeler i forhold til vekt.
Eksperimentell del
Tablettfremstilling ved anvendelse av granuler som innbefatter den aktive forbindelse ( I) i hydrofilisert form/ fluidisert seng granuleringsprosess
Tablettsammensetning (i mg/tablett)
Hydroksypropylmetylcellulose (5 cp) og natrium laurylsulfat løses i vann. Den mikroniserte aktive forbindelsen (I) suspenders i denne løsningen. Suspensjonen således fremstilt blir sprayet på den opprinnelige blandingen av mikrokrystallinsk cellulose, lactose monohydrat og kroskarmellose som en granuleringsvæske i løpet av en fluidisert senggranulering. Etter tørking og sikting (0,8 mm mesh bredde) av granulene blir magnesiumstearat tilsatt og blandet inn. Den sammenpresningsklare blandingen således oppnådd sammenpresses for å gi tabletter som har en 6 mm diameter og en fraktur resistens på 50 - 100 N. Etterfølgende belegging av tablettene utføres ved anvendelse av titandioksid, som suspenderes i en vandig løsning av hydroksypropylmetylcellulose (15 cp) og polyetylen glykol.
Fremstilling av granuler som innbefatter en aktiv forbindelse ( I) i hydrofilisert form og fylling som sasjer
Granulsammensetning (i mg/sasjer)
Hydroksypropylmetylcellulose (5 cp) og natriumlaurylsulfat løses i vann. Den mikroniserte aktive forbindelse (I) suspenders i denne løsning. Suspensjonen således fremstilt sprayes på den opprinnelige blandingen av monitol og kroskarmellose som en granuleringsvæske i løpet av fluidisert senggranuleringen. Etter tørking og sikting (0,8 mm maskebredde) blir de resulterende granulene, høydisperssilica (Aerosil®) og jordbærsmak tilsatt og blandet inn. Blandingen således oppnådd fylles i sasjerpunsjer til 750 mg ved hjelp av en sasjerfyllemaskin.
Fremstilling av granuler som innbefatter en aktiv forbindelse ( I) i hydrofilisert form og fylling i harde gelatinkapsler
Granulsammensetning (i mg/kapsel)
Hydroksypropylmetylcellulose (5 cp) og natriumlaurylsulfat løses i vann. Den mikroniserte aktive forbindelse (I) suspenderes i denne løsningen. Suspensjonen således fremstilt blir sprayet på den opprinnelige blandingen av mikrokrystallin cellulose, laktose monohydrat og maisstivelse som en granuleringsvæske i løpet av fluidisert senggranulering. Etter tørking og sikting (0,8 mm maskebredde) av de resulterende granulene blir høydisperssilica (Aerosil®) og blandet inn. Den oppnådde blandingen fylles til 160 mg i hvert tilfelle i harde gelatinkapsler med kapselstørrelse 2.
Sammenligning av tabletter med/ uten hydrofilisert aktiv forbindelse ( I)
For å undersøke tablettegenskapene og den forbedrede biotilgjengeligheten til formuleringene som inneholder hydrofilisert aktiv forbindelse (I) blir ikke-belagte tabletter som har et 10 mg aktiv forbindelse innhold (I) i følgende sammensetning fremstilt (i mg/tablett):
Tablett A: fremstilt ved direkte tablettering uten granulering
Tablett B: fremstilt ved fluidisert senggranulering/suspensjonsprosess beskrevet
tidligere
Blandingen for tablett A og granulene for tablett B blir i hvert tilfelle presset for å gi
tabletter som har en diameter på 6 mm og en frakturstyrke på ca 70 - 80 N.
Desintegrasjonstid i vann (USP desintegrasjonstester, Erweka):
TabletA: ca. 1,5 minutter
TabletB: ca. 6,5 minutter
Mengden av aktiv forbindelse frigitt basert på deklarert totalinnhold av tablettene er vist i tabell 1 nedenfor:
For undersøkelsen av biotilgjengeligheten ble tre hunder i hvert tilfelle administrert tre tabletter av A og tre tabletter av B på en krysset måte. De korresponderende farmakokinetiske parametrene etter oral administrasjon av 3 mg aktiv forbindelse (I)/kg er listet i tabell 2 nedenfor:
Resultater: Til tross for langsommere desintegrasjon (se tidligere) og svært tilsvarende in-vitro frigivelse (se tidligere) av tablett B sammenlignet med tablett A, har tablett B en markert fordel når det gjelder absorpsjon og således en biotilgjengelighet økt med ca 35%. Samtidig noteres en markert reduksjon i variabilitet. Den eneste forskjellen mellom tablett A og tablett B er hydrofilisasjonen av den aktive forbindelsen (I) i tablett B ved hjelp av suspensjonsprosessen i løpet av den fuktige granuleringen.
Claims (19)
1.
Fremgangsmåte for fremstilling av en fast oralt administrerbar farmasøytisk sammensetning som innbefatter 5-klor-N-({(55)-2-okso-3-[4-(3-okso-4-morfolinyl)-fenyl]-l,3-oksazolidin-5-yl}-metyl)-2-tiofenekarboksamid (I) i hydrofilisert form,karakterisert vedat (a) først granuler som innbefatter den aktive forbindelsen (I) i hydrofilisert form fremstilles ved fuktig granulering (b) og granulene blir deretter omdannet til den farmasøytiske sammensetningen,
hvis hensiktsmessig ved tilsetting av farmasøytisk egnede additiver,
hvor den fuktige granuleringsfremgangsmåten som anvendes er fluidisert seng granulering.
2.
Fremgangsmåte ifølge krav 1,karakterisert vedat den aktive forbindelse (I) anvendes i krystallinsk form.
3.
Fremgangsmåte ifølge krav 2,karakterisert vedat den aktive forbindelse (I) anvendes i mikronisert form.
4.
Fremgangsmåte ifølge et hvilket som helst av kravene 1 til 3,karakterisert vedat den aktive forbindelse (I) suspendert i granuleringsvæsken introduseres i den fuktige granuleringen.
5.
Fremgangsmåte ifølge et hvilket som helst av kravene 1 til 4,karakterisert vedat den farmasøytiske sammensetningen er en tablett som lett frigir den aktive forbindelse (I).
6.
Fast oralt administrerbar sammensetning,karakterisertv e d at den fremstilles ved fremgangsmåten ifølge krav 1.
7.
Fast oralt administrerbar farmasøytisk sammensetning,karakterisert vedat den innbefatter 5-klor-iV-({(55)-2-okso-3-[4-(3-okso-4-morfolinyl)-fenyl]-l,3-oksazolidin-5-yl}-metyl)-2-tiofenekarboksamid (I) i hydrofilisert form som kan fremstilles ved en fremgangsmåte ifølge krav 1.
8.
Farmasøytisk sammensetning ifølge krav 7,karakterisertv e d at den innbefatter den aktive forbindelsen (I) i krystallinsk form.
9.
Farmasøytisk sammensetning ifølge krav 8,karakterisertv e d at den innbefatter den aktive forbindelsen (I) i mikronisert form.
10.
Farmasøytisk sammensetning ifølge et hvilket som helst av kravene 6 til 9,karakterisert vedat den aktive forbindelsen (I) er tilstede i en konsentrasjon på 1 til 60% basert på totalmassen av formuleringen.
11.
Farmasøytisk sammensetning ifølge et hvilket som helst av kravene 6 til 10,karakterisert vedat den innbefatter natriumlaurylsulfat som et fuktemiddel.
12.
Farmasøytisk sammensetning ifølge krav 11,karakterisertv e d at den innbefatter natriumlaurylsulfat i en konsentrasjon på 0,1 til 5%, basert på totalmassen.
13.
Farmasøytisk sammensetning ifølge et hvilket som helst av kravene 6 til 12,karakterisert vedat den innbefatter hydroksypropylmetylcellulose som et hydrofilisk bindemiddel.
14.
Farmasøytisk sammensetning ifølge krav 13,karakterisertv e d at den innbefatter hydroksypropylmetylcellulose i en konsentrasjon på 1 til 15%, basert på totalmassen.
15.
Farmasøytisk sammensetning ifølge et hvilket som helst av kravene 6 til 14,karakterisert vedat den er i form av en tablett.
16.
Farmasøytisk sammensetning ifølge krav 15,karakterisertv e d at den er i form av en raskt frigivende tablett.
17.
Farmasøytisk sammensetning ifølge krav 15 eller 16,karakterisert vedat tabletten er dekket med et belegg.
18.
Anvendelse av en farmasøytisk sammensetning ifølge et hvilket som helst av kravene 6 til 17 for fremstilling av et medikament for profylaksen og/eller behandling av tromboemboliske sykdommer.
19.
Anvendelse av 5-klor-iV-( {(5S)-2-okso-3 -[4-(3 -okso-4-morfolinyl)-fenyl]-1,3-oksazolidin-5-yl}-metyl)-2-tiofenekarboksamid (I) i hydrofilisert form for fremstilling av en fast oralt administrerbar farmasøytisk sammensetning ifølge krav 6 eller 7 for profylaksen og/eller behandling av tromboemboliske sykdommer.
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RU2429236C2 (ru) | 2005-10-04 | 2011-09-20 | Байер Шеринг Фарма Акциенгезельшафт | Новая полиморфная форма и аморфная форма 5-хлор-n-({(5s)-2-оксо-3-[4-(3-оксо-4-морфолинил)-фенил]-1, 3-оксазолидин-5-ил}-метил)-2-тиофенкарбоксамида |
DE102005048824A1 (de) | 2005-10-10 | 2007-04-12 | Bayer Healthcare Ag | Behandlung und Prophylaxe von Mikroangiopathien |
DE102006034916A1 (de) | 2006-07-28 | 2008-01-31 | Bayer Healthcare Ag | Beschichtung künstlicher Oberflächen von medizinischen Hilfsmitteln und Geräten sowie Reinigung und/oder Vorbehandlung von Kathetern und anderen medizinischen Hilfsmitteln und Geräten |
DE102006051625A1 (de) | 2006-11-02 | 2008-05-08 | Bayer Materialscience Ag | Kombinationstherapie substituierter Oxazolidinone |
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