HRP20180068T1 - Formulacije lijeka s produljenim oslobađanjem - Google Patents
Formulacije lijeka s produljenim oslobađanjem Download PDFInfo
- Publication number
- HRP20180068T1 HRP20180068T1 HRP20180068TT HRP20180068T HRP20180068T1 HR P20180068 T1 HRP20180068 T1 HR P20180068T1 HR P20180068T T HRP20180068T T HR P20180068TT HR P20180068 T HRP20180068 T HR P20180068T HR P20180068 T1 HRP20180068 T1 HR P20180068T1
- Authority
- HR
- Croatia
- Prior art keywords
- polymeric material
- polycarboxylic acid
- release drug
- acid polymer
- drug formulation
- Prior art date
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- 239000013583 drug formulation Substances 0.000 title claims 11
- 230000003111 delayed effect Effects 0.000 title 1
- 239000000463 material Substances 0.000 claims 17
- 239000002253 acid Substances 0.000 claims 11
- 229920000642 polymer Polymers 0.000 claims 11
- 238000013268 sustained release Methods 0.000 claims 10
- 239000012730 sustained-release form Substances 0.000 claims 10
- 238000000034 method Methods 0.000 claims 8
- 239000003814 drug Substances 0.000 claims 5
- 229940079593 drug Drugs 0.000 claims 5
- 125000002843 carboxylic acid group Chemical group 0.000 claims 4
- 239000011248 coating agent Substances 0.000 claims 4
- 238000000576 coating method Methods 0.000 claims 4
- 239000002904 solvent Substances 0.000 claims 4
- -1 carboxylate anions Chemical class 0.000 claims 3
- 239000008199 coating composition Substances 0.000 claims 3
- 229920000623 Cellulose acetate phthalate Polymers 0.000 claims 2
- 239000006172 buffering agent Substances 0.000 claims 2
- 229940081734 cellulose acetate phthalate Drugs 0.000 claims 2
- 230000000112 colonic effect Effects 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 2
- 229920003132 hydroxypropyl methylcellulose phthalate Polymers 0.000 claims 2
- 229940031704 hydroxypropyl methylcellulose phthalate Drugs 0.000 claims 2
- 229920000639 hydroxypropylmethylcellulose acetate succinate Polymers 0.000 claims 2
- 230000000968 intestinal effect Effects 0.000 claims 2
- 229920003145 methacrylic acid copolymer Polymers 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 229940100467 polyvinyl acetate phthalate Drugs 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 2
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims 1
- 241000894006 Bacteria Species 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims 1
- 229920001800 Shellac Polymers 0.000 claims 1
- ZUAAPNNKRHMPKG-UHFFFAOYSA-N acetic acid;butanedioic acid;methanol;propane-1,2-diol Chemical compound OC.CC(O)=O.CC(O)CO.OC(=O)CCC(O)=O ZUAAPNNKRHMPKG-UHFFFAOYSA-N 0.000 claims 1
- BAPJBEWLBFYGME-UHFFFAOYSA-N acrylic acid methyl ester Natural products COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims 1
- 229940072056 alginate Drugs 0.000 claims 1
- 235000010443 alginic acid Nutrition 0.000 claims 1
- 229920000615 alginic acid Polymers 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 230000001580 bacterial effect Effects 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 1
- 229920002301 cellulose acetate Polymers 0.000 claims 1
- WZNRVWBKYDHTKI-UHFFFAOYSA-N cellulose, acetate 1,2,4-benzenetricarboxylate Chemical compound OC1C(O)C(O)C(CO)OC1OC1C(CO)OC(O)C(O)C1O.OC1C(O)C(O)C(CO)OC1OC1C(CO)OC(O)C(O)C1O.CC(=O)OCC1OC(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C1OC1C(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C(COC(C)=O)O1.CC(=O)OCC1OC(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C1OC1C(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C(COC(C)=O)O1.OC(=O)C1=CC(C(=O)O)=CC=C1C(=O)OCC1C(OC2C(C(OC(=O)C=3C(=CC(=CC=3)C(O)=O)C(O)=O)C(OC(=O)C=3C(=CC(=CC=3)C(O)=O)C(O)=O)C(COC(=O)C=3C(=CC(=CC=3)C(O)=O)C(O)=O)O2)OC(=O)C=2C(=CC(=CC=2)C(O)=O)C(O)=O)C(OC(=O)C=2C(=CC(=CC=2)C(O)=O)C(O)=O)C(OC(=O)C=2C(=CC(=CC=2)C(O)=O)C(O)=O)C(OC(=O)C=2C(=CC(=CC=2)C(O)=O)C(O)=O)O1 WZNRVWBKYDHTKI-UHFFFAOYSA-N 0.000 claims 1
- 210000001072 colon Anatomy 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 238000009472 formulation Methods 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 150000007529 inorganic bases Chemical class 0.000 claims 1
- 229910017053 inorganic salt Inorganic materials 0.000 claims 1
- 210000002429 large intestine Anatomy 0.000 claims 1
- 238000006386 neutralization reaction Methods 0.000 claims 1
- 229920000193 polymethacrylate Polymers 0.000 claims 1
- 229920002744 polyvinyl acetate phthalate Polymers 0.000 claims 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 claims 1
- 239000004208 shellac Substances 0.000 claims 1
- 229940113147 shellac Drugs 0.000 claims 1
- 235000013874 shellac Nutrition 0.000 claims 1
- 125000005591 trimellitate group Chemical group 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000000230 xanthan gum Substances 0.000 claims 1
- 235000010493 xanthan gum Nutrition 0.000 claims 1
- 229920001285 xanthan gum Polymers 0.000 claims 1
- 229940082509 xanthan gum Drugs 0.000 claims 1
Classifications
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- A61K9/5073—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals having two or more different coatings optionally including drug-containing subcoatings
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- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Grain Derivatives (AREA)
- General Preparation And Processing Of Foods (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
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Claims (16)
1. Formulacije lijeka s produljenim oslobađanjem za oralnu primjenu za isporuku lijeka u debelo crijevo pacijenta, pri čemu spomenuta formulacija sadrži jezgro, to jezgro sadrži lijek i prevlaku za jezgru, jezgru koja sadrži lijek i ovojnicu koja sadrži vanjski i unutarnji sloj, pri čemu vanjski sloj sadrži smjesu prvog polimernog materijala koji je osjetljiv na napad bakterija debelog crijeva i drugi polimerni materijal koji ima graničnu vrijednost pH na pH 6,5 ili više, i pri čemu unutarnji sloj sadrži treći polimerni materijal koji je topiv u crijevnoj tekućini, spomenuti treći polimerni materijal je polimer polikarboksilne kiseline koji je bar djelomično neutraliziran, pri čemu bar 10% skupina karboksilne kiseline polimera polikarboksilne kiseline su u obliku aniona karboksilata.
2. Polimer polikarboksilne kiseline koji je bar djelomično neutraliziran, pri čemu bar 90 % skupina karboksilne kiseline polimera polikarboksilne kiseline su u obliku anjona karboksilata.
3. Formulacija lijeka s produljenim oslobađanjem za koju se traži zaštita patentom u patentnom zahtjevu 1 ili patentnom zahtjevu 2, pri čemu je treći polimerni materijal potpuno neutraliziran.
4. Formulacija lijeka s produljenim oslobađanjem za koju se traži zaštita patentom u bilo kojem od patentnih zahtjeva 1 do 3, pri čemu su drugi i treći polimerni materijal na bazi istog polimera polikarboksilne kiseline s trećim polimernim materijalom koji ima viši stupanj neutralizacije od drugog polimernog materijala.
5. Formulacija lijeka s produljenim oslobađanjem za koju se traži zaštita patentom u bilo kojem od prethodnih patentnih zahtjeva, pri čemu je treći polimerni materijal odabran iz polimetakrilata; celuloznog acetat ftalata (CAP); polivinil acetat ftalata (PVAP); hidroksipropil metilceluloza ftalata (HPMCP); hidroksipropil metilceluloznog acetat sukcinata (HPMC-AS); celuloznog acetat trimelitata (CAT); ksantanove gume; alginata; i šelaka.
6. Formulacija lijeka s produljenim oslobađanjem za koju se traži zaštita patentom u bilo kojem od prethodnih patentnih zahtjeva, pri čemu je treći polimerni materijal bar djelomično neutraliziran kopolimera (met)akrilne kiseline i (met)akrilna kiselina C1-4 alkil ester.
7. Formulacija lijeka s produljenim oslobađanjem za koju se traži zaštita patentom bilo kojem od prethodnih patentnih zahtjeva, pri čemu je treći polimerni materijal potpuno neutraliziran kopolimer (met)akrilne kiseline i (met)akrilne kiseline metil estera.
8. Formulacija lijeka s produljenim oslobađanjem za koju se traži zaštita patentom u bilo kojem od prethodnih patentnih zahtjeva, pri čemu unutarnji sloj sadrži puferski agens odabran iz anorganske soli ili farmaceutski prihvatljive karboksilne kiseline koja ima od 1 do 16 atoma ugljika.
9. Formulacija lijeka s produljenim oslobađanjem za koju se traži zaštita patentom u bilo kojem od prethodnih patentnih zahtjeva, pri čemu unutarnji sloj sadrži farmaceutski prihvatljivu osnovu odabranu od anorganske osnove ili fiziološki toleriranog amina.
10. Formulacija lijeka s produljenim oslobađanjem za koju se traži zaštita patentom u bilo kojem od prethodnih patentnih zahtjeva, pri čemu je treći polimerni materijal topiv u vodi neovisno od pH.
11. Postupak proizvodnje formulacije lijeka s produljenim oslobađanjem za oralnu primjenu za isporuku lijeka u debelo crijevo za koju se traži zaštita patentom u patentnom zahtjevu 1, navedeni postupak sadrži:
formiranje jezgra koje sadrži lijek;
oblaganje jezgre upotrebom unutarnjeg preparata za oblaganje sadrži treći polimerni materijal koji je topiv u crijevnoj tekućini, u sustavu otapala da se formira unutrašnje obložena jezgra; i
oblaganje unutarnje obložene jezgre s vanjskim premaznim pripravkom sadrži prvi polimerni materijal koji je osjetljiv na napad bakterija debelog crijeva i drugi polimerni materijal koji ima pH granicu od pH 6,5 ili više u sustavu otapala, da se dobije vanjska obložena jezgra;
pri čemu je spomenuti treći polimerni materijal je polimer polikarboksilne kiseline koji je barem djelimično neutraliziran, pri čemu najmanje 10% skupina karboksilne kiseline polimera polikarboksilne kiseline su u obliku aniona karboksilata.
12. Postupak za koji se traži zaštita patenta u patentnom zahtjevu 11, pri čemu je sustav otapala unutarnjeg pripravka za oblaganje vodik.
13. Postupak za koji se traži zaštita patentom u patentom zahtjevu 11 ili patentnom zahtjevu 12, spomenuti postupak sadrži disperziju polimera polikarboksilne kiseline u otapalu, izborno s puferskim sredstvom, i dodavanje baze da se barem delimično neutralizira polimer polikarboksilne kiseline da bi se formirao preparat unutarnje obloge.
14. Postupak za koji se traži zaštita patentom u patentnom zahtjevu 13, pri čemu je dodana količina baze najmanje dovoljna da neutralizira bar 90% skupina karboksilne kiseline u polimeru polikarboksilne kiseline.
15. Postupak za koji se traži zaštita patentom u patentnom zahtjevu 13, ili patentnom zahtjevu 14, pri čemu je dodana količina baze više nego dovoljna da potpuno neutralizira polimer polikarboksilne kiseline.
16. Postupak za koji se traži zaštita patentom u bilo kojem od patentnih zahtjeva 11 do 15, pri čemu je pH unutarnjeg pripravka za oblaganje podešen da bude od pH 7,5 do pH 10.
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