OA10687A - Pharmaceutical formulations - Google Patents

Pharmaceutical formulations Download PDF

Info

Publication number: OA10687A
Authority: OA; OAPI
Prior art keywords: formulation; weight; drug compound; range; active drug
Prior art date: 1995-11-21

Application number

OA9800058A

Other languages

English (en)

Inventor

Ross James Macrae

Janet Sarah Smith

Original Assignee

Pfizer Res & Dev

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1995-11-21

Filing date

1998-05-19

Publication date

2002-11-27

1998-05-19 Application filed by Pfizer Res & Dev filed Critical Pfizer Res & Dev

2002-11-27 Publication of OA10687A publication Critical patent/OA10687A/en

Links

239000008194 pharmaceutical composition Substances 0.000 title claims abstract description 10
239000000203 mixture Substances 0.000 claims abstract description 66
238000009472 formulation Methods 0.000 claims abstract description 62
229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 31
229940079593 drug Drugs 0.000 claims abstract description 26
239000003814 drug Substances 0.000 claims abstract description 26
150000001875 compounds Chemical class 0.000 claims abstract description 21
239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims abstract description 18
229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims abstract description 18
UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims abstract description 18
235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims abstract description 18
238000013270 controlled release Methods 0.000 claims abstract description 8
229920000642 polymer Polymers 0.000 claims abstract description 8
239000000546 pharmaceutical excipient Substances 0.000 claims abstract description 7
238000000034 method Methods 0.000 claims description 15
239000012736 aqueous medium Substances 0.000 claims description 9
239000011159 matrix material Substances 0.000 claims description 5
229920002678 cellulose Polymers 0.000 claims description 4
239000001913 cellulose Substances 0.000 claims description 4
238000006467 substitution reaction Methods 0.000 claims description 4
239000002702 enteric coating Substances 0.000 claims description 3
238000009505 enteric coating Methods 0.000 claims description 3
238000002156 mixing Methods 0.000 claims description 3
239000004698 Polyethylene Substances 0.000 claims description 2
239000002253 acid Substances 0.000 claims description 2
125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
238000004519 manufacturing process Methods 0.000 claims description 2
SGPGESCZOCHFCL-UHFFFAOYSA-N Tilisolol hydrochloride Chemical compound [Cl-].C1=CC=C2C(=O)N(C)C=C(OCC(O)C[NH2+]C(C)(C)C)C2=C1 SGPGESCZOCHFCL-UHFFFAOYSA-N 0.000 claims 4
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
238000003825 pressing Methods 0.000 claims 1
210000001035 gastrointestinal tract Anatomy 0.000 abstract description 6
238000010874 in vitro model Methods 0.000 abstract description 2
229960001389 doxazosin Drugs 0.000 description 19
RUZYUOTYCVRMRZ-UHFFFAOYSA-N doxazosin Chemical compound C1OC2=CC=CC=C2OC1C(=O)N(CC1)CCN1C1=NC(N)=C(C=C(C(OC)=C2)OC)C2=N1 RUZYUOTYCVRMRZ-UHFFFAOYSA-N 0.000 description 19
GUBGYTABKSRVRQ-XLOQQCSPSA-N Alpha-Lactose Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@H](O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-XLOQQCSPSA-N 0.000 description 12
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 12
229920003091 Methocel™ Polymers 0.000 description 12
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
229920003145 methacrylic acid copolymer Polymers 0.000 description 8
229940117841 methacrylic acid copolymer Drugs 0.000 description 8
238000013268 sustained release Methods 0.000 description 8
230000000694 effects Effects 0.000 description 7
239000012730 sustained-release form Substances 0.000 description 7
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
239000011575 calcium Substances 0.000 description 6
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 5
239000008101 lactose Substances 0.000 description 5
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
229920003135 Eudragit® L 100-55 Polymers 0.000 description 4
229910052791 calcium Inorganic materials 0.000 description 4
FUFJGUQYACFECW-UHFFFAOYSA-L calcium hydrogenphosphate Chemical compound [Ca+2].OP([O-])([O-])=O FUFJGUQYACFECW-UHFFFAOYSA-L 0.000 description 4
235000019700 dicalcium phosphate Nutrition 0.000 description 4
229940095079 dicalcium phosphate anhydrous Drugs 0.000 description 4
RFHAOTPXVQNOHP-UHFFFAOYSA-N fluconazole Chemical compound C1=NC=NN1CC(C=1C(=CC(F)=CC=1)F)(O)CN1C=NC=N1 RFHAOTPXVQNOHP-UHFFFAOYSA-N 0.000 description 4
229960004884 fluconazole Drugs 0.000 description 4
DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 3
-1 chlorpherii-ramine Chemical compound 0.000 description 3
229960002677 darifenacin Drugs 0.000 description 3
HXGBXQDTNZMWGS-RUZDIDTESA-N darifenacin Chemical compound C=1C=CC=CC=1C([C@H]1CN(CCC=2C=C3CCOC3=CC=2)CC1)(C(=O)N)C1=CC=CC=C1 HXGBXQDTNZMWGS-RUZDIDTESA-N 0.000 description 3
238000004090 dissolution Methods 0.000 description 3
229960000220 doxazosin mesylate Drugs 0.000 description 3
VJECBOKJABCYMF-UHFFFAOYSA-N doxazosin mesylate Chemical compound [H+].CS([O-])(=O)=O.C1OC2=CC=CC=C2OC1C(=O)N(CC1)CCN1C1=NC(N)=C(C=C(C(OC)=C2)OC)C2=N1 VJECBOKJABCYMF-UHFFFAOYSA-N 0.000 description 3
239000012467 final product Substances 0.000 description 3
239000000454 talc Substances 0.000 description 3
229910052623 talc Inorganic materials 0.000 description 3
239000001069 triethyl citrate Substances 0.000 description 3
VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 description 3
235000013769 triethyl citrate Nutrition 0.000 description 3
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
230000002378 acidificating effect Effects 0.000 description 2
229910021529 ammonia Inorganic materials 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
238000000576 coating method Methods 0.000 description 2
229920001577 copolymer Polymers 0.000 description 2
238000009506 drug dissolution testing Methods 0.000 description 2
239000012530 fluid Substances 0.000 description 2
239000002609 medium Substances 0.000 description 2
BQJCRHHNABKAKU-KBQPJGBKSA-N morphine Chemical compound O([C@H]1[C@H](C=C[C@H]23)O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4O BQJCRHHNABKAKU-KBQPJGBKSA-N 0.000 description 2
XQYZDYMELSJDRZ-UHFFFAOYSA-N papaverine Chemical compound C1=C(OC)C(OC)=CC=C1CC1=NC=CC2=CC(OC)=C(OC)C=C12 XQYZDYMELSJDRZ-UHFFFAOYSA-N 0.000 description 2
XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 2
AKNNEGZIBPJZJG-MSOLQXFVSA-N (-)-noscapine Chemical compound CN1CCC2=CC=3OCOC=3C(OC)=C2[C@@H]1[C@@H]1C2=CC=C(OC)C(OC)=C2C(=O)O1 AKNNEGZIBPJZJG-MSOLQXFVSA-N 0.000 description 1
SGTNSNPWRIOYBX-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)pentanenitrile Chemical compound C1=C(OC)C(OC)=CC=C1CCN(C)CCCC(C#N)(C(C)C)C1=CC=C(OC)C(OC)=C1 SGTNSNPWRIOYBX-UHFFFAOYSA-N 0.000 description 1
UIAGMCDKSXEBJQ-IBGZPJMESA-N 3-o-(2-methoxyethyl) 5-o-propan-2-yl (4s)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate Chemical compound COCCOC(=O)C1=C(C)NC(C)=C(C(=O)OC(C)C)[C@H]1C1=CC=CC([N+]([O-])=O)=C1 UIAGMCDKSXEBJQ-IBGZPJMESA-N 0.000 description 1
RZTAMFZIAATZDJ-HNNXBMFYSA-N 5-o-ethyl 3-o-methyl (4s)-4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate Chemical compound CCOC(=O)C1=C(C)NC(C)=C(C(=O)OC)[C@@H]1C1=CC=CC(Cl)=C1Cl RZTAMFZIAATZDJ-HNNXBMFYSA-N 0.000 description 1
229930008281 A03AD01 - Papaverine Natural products 0.000 description 1
102220487426 Actin-related protein 2/3 complex subunit 3_K15M_mutation Human genes 0.000 description 1
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
229920000623 Cellulose acetate phthalate Polymers 0.000 description 1
IIUZTXTZRGLYTI-UHFFFAOYSA-N Dihydrogriseofulvin Natural products COC1CC(=O)CC(C)C11C(=O)C(C(OC)=CC(OC)=C2Cl)=C2O1 IIUZTXTZRGLYTI-UHFFFAOYSA-N 0.000 description 1
229920003139 Eudragit® L 100 Polymers 0.000 description 1
229920003141 Eudragit® S 100 Polymers 0.000 description 1
UXWOXTQWVMFRSE-UHFFFAOYSA-N Griseoviridin Natural products O=C1OC(C)CC=C(C(NCC=CC=CC(O)CC(O)C2)=O)SCC1NC(=O)C1=COC2=N1 UXWOXTQWVMFRSE-UHFFFAOYSA-N 0.000 description 1
PWWVAXIEGOYWEE-UHFFFAOYSA-N Isophenergan Chemical compound C1=CC=C2N(CC(C)N(C)C)C3=CC=CC=C3SC2=C1 PWWVAXIEGOYWEE-UHFFFAOYSA-N 0.000 description 1
KLDXJTOLSGUMSJ-JGWLITMVSA-N Isosorbide Chemical compound O[C@@H]1CO[C@@H]2[C@@H](O)CO[C@@H]21 KLDXJTOLSGUMSJ-JGWLITMVSA-N 0.000 description 1
239000007836 KH2PO4 Substances 0.000 description 1
DDUHZTYCFQRHIY-UHFFFAOYSA-N Negwer: 6874 Natural products COC1=CC(=O)CC(C)C11C(=O)C(C(OC)=CC(OC)=C2Cl)=C2O1 DDUHZTYCFQRHIY-UHFFFAOYSA-N 0.000 description 1
SNIOPGDIGTZGOP-UHFFFAOYSA-N Nitroglycerin Chemical compound [O-][N+](=O)OCC(O[N+]([O-])=O)CO[N+]([O-])=O SNIOPGDIGTZGOP-UHFFFAOYSA-N 0.000 description 1
239000002202 Polyethylene glycol Substances 0.000 description 1
229920002125 Sokalan® Polymers 0.000 description 1
XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
229940116024 aftera Drugs 0.000 description 1
NDAUXUAQIAJITI-UHFFFAOYSA-N albuterol Chemical compound CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1 NDAUXUAQIAJITI-UHFFFAOYSA-N 0.000 description 1
AKNNEGZIBPJZJG-UHFFFAOYSA-N alpha-noscapine Natural products CN1CCC2=CC=3OCOC=3C(OC)=C2C1C1C2=CC=C(OC)C(OC)=C2C(=O)O1 AKNNEGZIBPJZJG-UHFFFAOYSA-N 0.000 description 1
FQPFAHBPWDRTLU-UHFFFAOYSA-N aminophylline Chemical compound NCCN.O=C1N(C)C(=O)N(C)C2=C1NC=N2.O=C1N(C)C(=O)N(C)C2=C1NC=N2 FQPFAHBPWDRTLU-UHFFFAOYSA-N 0.000 description 1
229960003556 aminophylline Drugs 0.000 description 1
235000011114 ammonium hydroxide Nutrition 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
150000007514 bases Chemical class 0.000 description 1
229960000830 captopril Drugs 0.000 description 1
FAKRSMQSSFJEIM-RQJHMYQMSA-N captopril Chemical compound SC[C@@H](C)C(=O)N1CCC[C@H]1C(O)=O FAKRSMQSSFJEIM-RQJHMYQMSA-N 0.000 description 1
229960000623 carbamazepine Drugs 0.000 description 1
FFGPTBGBLSHEPO-UHFFFAOYSA-N carbamazepine Chemical compound C1=CC2=CC=CC=C2N(C(=O)N)C2=CC=CC=C21 FFGPTBGBLSHEPO-UHFFFAOYSA-N 0.000 description 1
229940081734 cellulose acetate phthalate Drugs 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
230000006835 compression Effects 0.000 description 1
229960002287 darifenacin hydrobromide Drugs 0.000 description 1
UQAVIASOPREUIT-VQIWEWKSSA-N darifenacin hydrobromide Chemical compound Br.C=1C=CC=CC=1C([C@H]1CN(CCC=2C=C3CCOC3=CC=2)CC1)(C(=O)N)C1=CC=CC=C1 UQAVIASOPREUIT-VQIWEWKSSA-N 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
229960004166 diltiazem Drugs 0.000 description 1
HSUGRBWQSSZJOP-RTWAWAEBSA-N diltiazem Chemical compound C1=CC(OC)=CC=C1[C@H]1[C@@H](OC(C)=O)C(=O)N(CCN(C)C)C2=CC=CC=C2S1 HSUGRBWQSSZJOP-RTWAWAEBSA-N 0.000 description 1
229960002768 dipyridamole Drugs 0.000 description 1
IZEKFCXSFNUWAM-UHFFFAOYSA-N dipyridamole Chemical compound C=12N=C(N(CCO)CCO)N=C(N3CCCCC3)C2=NC(N(CCO)CCO)=NC=1N1CCCCC1 IZEKFCXSFNUWAM-UHFFFAOYSA-N 0.000 description 1
239000012738 dissolution medium Substances 0.000 description 1
OTLDLQZJRFYOJR-LJQANCHMSA-N eletriptan Chemical compound CN1CCC[C@@H]1CC1=CN=C2[C]1C=C(CCS(=O)(=O)C=1C=CC=CC=1)C=C2 OTLDLQZJRFYOJR-LJQANCHMSA-N 0.000 description 1
229960002472 eletriptan Drugs 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
229960003580 felodipine Drugs 0.000 description 1
229960003711 glyceryl trinitrate Drugs 0.000 description 1
DDUHZTYCFQRHIY-RBHXEPJQSA-N griseofulvin Chemical compound COC1=CC(=O)C[C@@H](C)[C@@]11C(=O)C(C(OC)=CC(OC)=C2Cl)=C2O1 DDUHZTYCFQRHIY-RBHXEPJQSA-N 0.000 description 1
229960002867 griseofulvin Drugs 0.000 description 1
229920003132 hydroxypropyl methylcellulose phthalate Polymers 0.000 description 1
229940031704 hydroxypropyl methylcellulose phthalate Drugs 0.000 description 1
229960002479 isosorbide Drugs 0.000 description 1
125000005395 methacrylic acid group Chemical group 0.000 description 1
IUBSYMUCCVWXPE-UHFFFAOYSA-N metoprolol Chemical compound COCCC1=CC=C(OCC(O)CNC(C)C)C=C1 IUBSYMUCCVWXPE-UHFFFAOYSA-N 0.000 description 1
229960002237 metoprolol Drugs 0.000 description 1
229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
235000019796 monopotassium phosphate Nutrition 0.000 description 1
229960005181 morphine Drugs 0.000 description 1
PLPRGLOFPNJOTN-UHFFFAOYSA-N narcotine Natural products COc1ccc2C(OC(=O)c2c1OC)C3Cc4c(CN3C)cc5OCOc5c4OC PLPRGLOFPNJOTN-UHFFFAOYSA-N 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
HYIMSNHJOBLJNT-UHFFFAOYSA-N nifedipine Chemical compound COC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1C1=CC=CC=C1[N+]([O-])=O HYIMSNHJOBLJNT-UHFFFAOYSA-N 0.000 description 1
229960001597 nifedipine Drugs 0.000 description 1
229960000715 nimodipine Drugs 0.000 description 1
229910000069 nitrogen hydride Inorganic materials 0.000 description 1
229960004708 noscapine Drugs 0.000 description 1
239000008203 oral pharmaceutical composition Substances 0.000 description 1
230000003204 osmotic effect Effects 0.000 description 1
229960001789 papaverine Drugs 0.000 description 1
239000004584 polyacrylic acid Substances 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
229920001223 polyethylene glycol Polymers 0.000 description 1
GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 1
239000000843 powder Substances 0.000 description 1
229960001289 prazosin Drugs 0.000 description 1
IENZQIKPVFGBNW-UHFFFAOYSA-N prazosin Chemical compound N=1C(N)=C2C=C(OC)C(OC)=CC2=NC=1N(CC1)CCN1C(=O)C1=CC=CO1 IENZQIKPVFGBNW-UHFFFAOYSA-N 0.000 description 1
229960003910 promethazine Drugs 0.000 description 1
AQHHHDLHHXJYJD-UHFFFAOYSA-N propranolol Chemical compound C1=CC=C2C(OCC(O)CNC(C)C)=CC=CC2=C1 AQHHHDLHHXJYJD-UHFFFAOYSA-N 0.000 description 1
229960002052 salbutamol Drugs 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
238000005507 spraying Methods 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
230000002459 sustained effect Effects 0.000 description 1
238000000870 ultraviolet spectroscopy Methods 0.000 description 1
229960001722 verapamil Drugs 0.000 description 1

Classifications

- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
- A61K9/2054—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/517—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with carbocyclic ring systems, e.g. quinazoline, perimidine
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/2027—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/2031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2806—Coating materials
- A61K9/2833—Organic macromolecular compounds
- A61K9/284—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone
- A61K9/2846—Poly(meth)acrylates

Landscapes

Health & Medical Sciences (AREA)
Chemical & Material Sciences (AREA)
Medicinal Chemistry (AREA)
Pharmacology & Pharmacy (AREA)
Epidemiology (AREA)
Life Sciences & Earth Sciences (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Engineering & Computer Science (AREA)
Bioinformatics & Cheminformatics (AREA)
Medicinal Preparation (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

OA9800058A 1995-11-21 1998-05-19 Pharmaceutical formulations OA10687A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GBGB9523752.5A GB9523752D0 (en)	1995-11-21	1995-11-21	Pharmaceutical formulations

Publications (1)

Publication Number	Publication Date
OA10687A true OA10687A (en)	2002-11-27

Family

ID=10784188

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
OA9800058A OA10687A (en)	1995-11-21	1998-05-19	Pharmaceutical formulations

Country Status (29)

Country	Link
EP (1)	EP0862437A1 (is)
JP (1)	JPH10513481A (is)
KR (1)	KR19990071505A (is)
CN (1)	CN1215993A (is)
AP (1)	AP718A (is)
AR (1)	AR004335A1 (is)
AU (1)	AU709560B2 (is)
BG (1)	BG102438A (is)
BR (1)	BR9611626A (is)
CA (1)	CA2232715A1 (is)
CO (1)	CO4480020A1 (is)
CZ (1)	CZ155498A3 (is)
GB (1)	GB9523752D0 (is)
HR (1)	HRP960554A2 (is)
HU (1)	HUP9903734A3 (is)
IS (1)	IS4706A (is)
MA (1)	MA26410A1 (is)
MX (1)	MX9804008A (is)
NO (1)	NO982302L (is)
NZ (1)	NZ322053A (is)
OA (1)	OA10687A (is)
PE (1)	PE22898A1 (is)
PL (1)	PL326981A1 (is)
SK (1)	SK63098A3 (is)
TN (1)	TNSN96141A1 (is)
TR (1)	TR199800902T2 (is)
WO (1)	WO1997018814A1 (is)
YU (1)	YU62096A (is)
ZA (1)	ZA969722B (is)

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1995
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1996
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- 1996-11-11 CN CN96198486A patent/CN1215993A/zh active Pending
- 1996-11-11 TR TR1998/00902T patent/TR199800902T2/xx unknown
- 1996-11-11 EP EP96938215A patent/EP0862437A1/en not_active Withdrawn
- 1996-11-11 AU AU75721/96A patent/AU709560B2/en not_active Ceased
- 1996-11-11 PL PL96326981A patent/PL326981A1/xx unknown
- 1996-11-11 SK SK630-98A patent/SK63098A3/sk unknown
- 1996-11-11 HU HU9903734A patent/HUP9903734A3/hu unknown
- 1996-11-11 KR KR1019980703777A patent/KR19990071505A/ko not_active Ceased
- 1996-11-11 JP JP9519364A patent/JPH10513481A/ja active Pending
- 1996-11-11 WO PCT/EP1996/005020 patent/WO1997018814A1/en not_active Ceased
- 1996-11-11 NZ NZ322053A patent/NZ322053A/xx unknown
- 1996-11-11 BR BR9611626A patent/BR9611626A/pt not_active Application Discontinuation
- 1996-11-11 CZ CZ981554A patent/CZ155498A3/cs unknown
- 1996-11-20 PE PE1996000831A patent/PE22898A1/es not_active Application Discontinuation
- 1996-11-20 AR ARP960105252A patent/AR004335A1/es unknown
- 1996-11-20 MA MA24397A patent/MA26410A1/fr unknown
- 1996-11-20 TN TNTNSN96141A patent/TNSN96141A1/fr unknown
- 1996-11-20 ZA ZA9609722A patent/ZA969722B/xx unknown
- 1996-11-20 YU YU62096A patent/YU62096A/sh unknown
- 1996-11-21 AP APAP/P/1996/000883A patent/AP718A/en active
- 1996-11-21 CO CO96061449A patent/CO4480020A1/es unknown
- 1996-11-21 HR HR9523752.5A patent/HRP960554A2/hr not_active Application Discontinuation
1998
- 1998-03-31 IS IS4706A patent/IS4706A/is unknown
- 1998-05-08 BG BG102438A patent/BG102438A/xx unknown
- 1998-05-19 OA OA9800058A patent/OA10687A/en unknown
- 1998-05-20 MX MX9804008A patent/MX9804008A/es unknown
- 1998-05-20 NO NO982302A patent/NO982302L/no not_active Application Discontinuation

Also Published As

Publication number	Publication date
BG102438A (en)	1999-01-29
HUP9903734A3 (en)	2000-04-28
NO982302D0 (no)	1998-05-20
AU709560B2 (en)	1999-09-02
CN1215993A (zh)	1999-05-05
HRP960554A2 (en)	1998-02-28
NO982302L (no)	1998-07-17
PE22898A1 (es)	1998-05-07
NZ322053A (en)	1999-11-29
AP718A (en)	1999-01-06
GB9523752D0 (en)	1996-01-24
IS4706A (is)	1998-03-31
HUP9903734A2 (hu)	2000-03-28
SK63098A3 (en)	1999-05-07
WO1997018814A1 (en)	1997-05-29
BR9611626A (pt)	1999-06-01
ZA969722B (en)	1998-05-20
AR004335A1 (es)	1998-11-04
MX9804008A (es)	1998-09-30
CA2232715A1 (en)	1997-05-29
TR199800902T2 (xx)	1998-09-21
PL326981A1 (en)	1998-11-09
CO4480020A1 (es)	1997-07-09
AP9600883A0 (en)	1997-01-31
EP0862437A1 (en)	1998-09-09
JPH10513481A (ja)	1998-12-22
YU62096A (sh)	1999-03-04
TNSN96141A1 (fr)	2005-03-15
AU7572196A (en)	1997-06-11
MA26410A1 (fr)	2004-12-20
CZ155498A3 (cs)	1999-03-17
KR19990071505A (ko)	1999-09-27

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RU98111607A (ru)	2000-08-27	Фармацевтические готовые формы
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JP2707023C (is)	1999-09-13