NO312815B1 - Preparat med kontrollert frigivelse av aktiv substans - Google Patents
Preparat med kontrollert frigivelse av aktiv substans Download PDFInfo
- Publication number
- NO312815B1 NO312815B1 NO19975567A NO975567A NO312815B1 NO 312815 B1 NO312815 B1 NO 312815B1 NO 19975567 A NO19975567 A NO 19975567A NO 975567 A NO975567 A NO 975567A NO 312815 B1 NO312815 B1 NO 312815B1
- Authority
- NO
- Norway
- Prior art keywords
- dosage form
- weight
- tablet dosage
- crystals
- amount
- Prior art date
Links
- 238000002360 preparation method Methods 0.000 title claims description 27
- 238000013270 controlled release Methods 0.000 title claims description 22
- 239000013543 active substance Substances 0.000 title 1
- 239000013078 crystal Substances 0.000 claims description 134
- 239000002552 dosage form Substances 0.000 claims description 104
- 238000000576 coating method Methods 0.000 claims description 98
- 239000011248 coating agent Substances 0.000 claims description 69
- 230000002209 hydrophobic effect Effects 0.000 claims description 52
- 239000000463 material Substances 0.000 claims description 52
- 239000010410 layer Substances 0.000 claims description 51
- 239000000203 mixture Substances 0.000 claims description 39
- 235000015497 potassium bicarbonate Nutrition 0.000 claims description 37
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 37
- 239000011736 potassium bicarbonate Substances 0.000 claims description 37
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 37
- 239000000546 pharmaceutical excipient Substances 0.000 claims description 36
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 claims description 28
- 239000002966 varnish Substances 0.000 claims description 25
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 24
- 229940086066 potassium hydrogencarbonate Drugs 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 20
- 239000004014 plasticizer Substances 0.000 claims description 19
- 150000003839 salts Chemical class 0.000 claims description 18
- 239000001856 Ethyl cellulose Substances 0.000 claims description 14
- 229920001249 ethyl cellulose Polymers 0.000 claims description 14
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 13
- 239000004359 castor oil Substances 0.000 claims description 12
- 235000019438 castor oil Nutrition 0.000 claims description 12
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000004480 active ingredient Substances 0.000 claims description 7
- 239000002356 single layer Substances 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 5
- 229920003086 cellulose ether Polymers 0.000 claims description 5
- 229960003975 potassium Drugs 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- -1 b) a second Substances 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims 2
- 239000003826 tablet Substances 0.000 description 70
- 239000001993 wax Substances 0.000 description 44
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 36
- 238000004090 dissolution Methods 0.000 description 25
- 230000000052 comparative effect Effects 0.000 description 24
- 241001440269 Cutina Species 0.000 description 23
- 159000000001 potassium salts Chemical class 0.000 description 17
- 230000003113 alkalizing effect Effects 0.000 description 15
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 14
- 210000001035 gastrointestinal tract Anatomy 0.000 description 11
- QZCLKYGREBVARF-UHFFFAOYSA-N Acetyl tributyl citrate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 description 10
- 210000004379 membrane Anatomy 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 238000007906 compression Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 7
- 239000001103 potassium chloride Substances 0.000 description 7
- 235000011164 potassium chloride Nutrition 0.000 description 7
- 238000009472 formulation Methods 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 4
- 229920002261 Corn starch Polymers 0.000 description 4
- 208000001132 Osteoporosis Diseases 0.000 description 4
- 239000008120 corn starch Substances 0.000 description 4
- 239000003405 delayed action preparation Substances 0.000 description 4
- 239000007884 disintegrant Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000008172 hydrogenated vegetable oil Substances 0.000 description 4
- 238000001727 in vivo Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 239000012188 paraffin wax Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 206010020772 Hypertension Diseases 0.000 description 3
- 229920000168 Microcrystalline cellulose Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 235000019658 bitter taste Nutrition 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 239000008119 colloidal silica Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000007794 irritation Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 3
- 239000008108 microcrystalline cellulose Substances 0.000 description 3
- 229940016286 microcrystalline cellulose Drugs 0.000 description 3
- 210000004400 mucous membrane Anatomy 0.000 description 3
- 231100000252 nontoxic Toxicity 0.000 description 3
- 230000003000 nontoxic effect Effects 0.000 description 3
- 239000006186 oral dosage form Substances 0.000 description 3
- 239000007909 solid dosage form Substances 0.000 description 3
- 235000019640 taste Nutrition 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 208000016261 weight loss Diseases 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 208000020084 Bone disease Diseases 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 2
- 208000017667 Chronic Disease Diseases 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 2
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 2
- HLCFGWHYROZGBI-JJKGCWMISA-M Potassium gluconate Chemical compound [K+].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O HLCFGWHYROZGBI-JJKGCWMISA-M 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 208000025865 Ulcer Diseases 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 230000001684 chronic effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 235000010947 crosslinked sodium carboxy methyl cellulose Nutrition 0.000 description 2
- 230000003412 degenerative effect Effects 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 2
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 239000012669 liquid formulation Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000003094 microcapsule Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 2
- 239000001508 potassium citrate Substances 0.000 description 2
- 229960002635 potassium citrate Drugs 0.000 description 2
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 description 2
- 235000011082 potassium citrates Nutrition 0.000 description 2
- 239000004224 potassium gluconate Substances 0.000 description 2
- 229960003189 potassium gluconate Drugs 0.000 description 2
- 235000013926 potassium gluconate Nutrition 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
- 230000036269 ulceration Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229920000623 Cellulose acetate phthalate Polymers 0.000 description 1
- 229920002785 Croscarmellose sodium Polymers 0.000 description 1
- PYGXAGIECVVIOZ-UHFFFAOYSA-N Dibutyl decanedioate Chemical compound CCCCOC(=O)CCCCCCCCC(=O)OCCCC PYGXAGIECVVIOZ-UHFFFAOYSA-N 0.000 description 1
- 208000035859 Drug effect increased Diseases 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 208000019025 Hypokalemia Diseases 0.000 description 1
- 235000010643 Leucaena leucocephala Nutrition 0.000 description 1
- 240000007472 Leucaena leucocephala Species 0.000 description 1
- 244000062730 Melissa officinalis Species 0.000 description 1
- 235000010654 Melissa officinalis Nutrition 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- MHQJUHSHQGQVTM-HNENSFHCSA-N Octadecyl fumarate Chemical class CCCCCCCCCCCCCCCCCCOC(=O)\C=C/C(O)=O MHQJUHSHQGQVTM-HNENSFHCSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 240000006394 Sorghum bicolor Species 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 229920003064 carboxyethyl cellulose Polymers 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 229940081734 cellulose acetate phthalate Drugs 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000007891 compressed tablet Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000001767 crosslinked sodium carboxy methyl cellulose Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 239000012738 dissolution medium Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000007903 gelatin capsule Substances 0.000 description 1
- 235000001727 glucose Nutrition 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 235000013773 glyceryl triacetate Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 229920003063 hydroxymethyl cellulose Polymers 0.000 description 1
- 229940031574 hydroxymethyl cellulose Drugs 0.000 description 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
- 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 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000000865 liniment Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000008297 liquid dosage form Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- FSECXOMJYVHKJJ-UHFFFAOYSA-N methanol;toluene Chemical compound OC.OC.CC1=CC=CC=C1 FSECXOMJYVHKJJ-UHFFFAOYSA-N 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- BDRTVPCFKSUHCJ-UHFFFAOYSA-N molecular hydrogen;potassium Chemical compound [K].[H][H] BDRTVPCFKSUHCJ-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical class CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Chemical class CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000021962 pH elevation Effects 0.000 description 1
- 239000008177 pharmaceutical agent Substances 0.000 description 1
- 208000024896 potassium deficiency disease Diseases 0.000 description 1
- 238000009138 potassium supplementation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000008117 stearic acid Chemical class 0.000 description 1
- 229940071138 stearyl fumarate Drugs 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 239000000454 talc Chemical class 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- 239000001069 triethyl citrate Substances 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
- 235000013769 triethyl citrate Nutrition 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
-
- 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
- A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
- A61K9/2077—Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets
- A61K9/2081—Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets with microcapsules or coated microparticles according to A61K9/50
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
- A61K33/06—Aluminium, calcium or magnesium; Compounds thereof, e.g. clay
- A61K33/10—Carbonates; Bicarbonates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/08—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease
- A61P19/10—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease for osteoporosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
-
- 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
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—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
- A61K9/5005—Wall or coating material
- A61K9/5015—Organic compounds, e.g. fats, sugars
-
- 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
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—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
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
- A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
- A61K9/5047—Cellulose ethers containing no ester groups, e.g. hydroxypropyl methylcellulose
-
- 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
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—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
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Physical Education & Sports Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rheumatology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/472,693 US5674529A (en) | 1995-06-06 | 1995-06-06 | Alkalinizing potassium salt controlled release preparations |
| PCT/US1996/009016 WO1996039127A1 (en) | 1995-06-06 | 1996-06-06 | Alkalinizing potassium salt controlled release preparations |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO975567D0 NO975567D0 (no) | 1997-12-03 |
| NO975567L NO975567L (no) | 1998-02-05 |
| NO312815B1 true NO312815B1 (no) | 2002-07-08 |
Family
ID=23876566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19975567A NO312815B1 (no) | 1995-06-06 | 1997-12-03 | Preparat med kontrollert frigivelse av aktiv substans |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US5674529A (ko) |
| EP (1) | EP0840598A4 (ko) |
| JP (1) | JPH11506778A (ko) |
| KR (1) | KR19990022537A (ko) |
| CN (1) | CN1106837C (ko) |
| AR (1) | AR003131A1 (ko) |
| AU (1) | AU698784B2 (ko) |
| BR (1) | BR9608392A (ko) |
| CA (1) | CA2223281A1 (ko) |
| CO (1) | CO4700033A1 (ko) |
| CZ (1) | CZ288129B6 (ko) |
| HU (1) | HUP9900856A2 (ko) |
| NO (1) | NO312815B1 (ko) |
| NZ (1) | NZ310138A (ko) |
| PL (1) | PL323939A1 (ko) |
| SK (1) | SK167797A3 (ko) |
| WO (1) | WO1996039127A1 (ko) |
| ZA (1) | ZA964427B (ko) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4759099A (en) * | 1998-09-21 | 2000-03-23 | Mcneil-Ppc, Inc. | Heat stable antacid and antigas suspensions |
| JP5014554B2 (ja) * | 2000-06-14 | 2012-08-29 | ジェイカムアグリ株式会社 | 被覆生物活性粒状物の製造方法 |
| US8101209B2 (en) | 2001-10-09 | 2012-01-24 | Flamel Technologies | Microparticulate oral galenical form for the delayed and controlled release of pharmaceutical active principles |
| US20030190343A1 (en) * | 2002-03-05 | 2003-10-09 | Pfizer Inc. | Palatable pharmaceutical compositions for companion animals |
| FR2837100B1 (fr) * | 2002-03-18 | 2004-07-23 | Flamel Tech Sa | Comprimes a bases de microcapsules a liberation modifiee |
| MXPA04009968A (es) | 2002-04-09 | 2004-12-13 | Flamel Tech Sa | Formulacion farmaceutica oral bajo forma de suspension acuosa de microcapsulas que permiten la liberacion modificada de principio (s) activo (s). |
| KR20050005437A (ko) | 2002-04-09 | 2005-01-13 | 플라멜 테크놀로지스 | 아목시실린의 변형 방출을 위한 마이크로캡슐 수성 현탁액형태의 경구 제약학적 제제 |
| FR2838647B1 (fr) * | 2002-04-23 | 2006-02-17 | Particules enrobees a liberation prolongee, leur procede de preparation et comprimes les contenant | |
| US20040109889A1 (en) * | 2002-12-04 | 2004-06-10 | Bunick Frank J. | Surface treatment composition for soft substrates |
| US20050019395A1 (en) * | 2003-04-14 | 2005-01-27 | Gabor Pragai | Formulations of amlodipine maleate |
| US8481083B2 (en) | 2007-10-12 | 2013-07-09 | Ferring International Center S.A. | Granular compositions of magnesium oxide and citric acid and uses thereof |
| FR2967578B1 (fr) * | 2010-11-18 | 2012-12-28 | Advicenne Pharma | Composition pharmaceutique comportant des sels de citrate et de bicarbonate, et son utilisation pour le traitement de la cystinurie |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3538214A (en) * | 1969-04-22 | 1970-11-03 | Merck & Co Inc | Controlled release medicinal tablets |
| US4140756A (en) * | 1976-06-10 | 1979-02-20 | Mead Johnson & Company | Film-coated matrix core tablet |
| US4259315A (en) * | 1980-06-13 | 1981-03-31 | A. H. Robins Company, Inc. | Controlled release potassium dosage form |
| DK152744C (da) * | 1982-08-13 | 1988-10-31 | Benzon As Alfred | Fremgangsmaade til fremstilling af et farmaceutisk peroralt polydepotpraeparat |
| DK151608C (da) * | 1982-08-13 | 1988-06-20 | Benzon As Alfred | Fremgangsmaade til fremstilling af et farmaceutisk peroralt polydepotpraeparat med kontrolleret afgivelse |
| DK62184D0 (da) * | 1984-02-10 | 1984-02-10 | Benzon As Alfred | Diffusionsovertrukket polydepotpraeparat |
| JPH0759499B2 (ja) * | 1984-02-10 | 1995-06-28 | ベンツォン ファーマ エイ／エス | 拡散被覆された複合単位服用剤 |
| CH658188A5 (de) * | 1984-03-23 | 1986-10-31 | Ciba Geigy Ag | Lagerstabile schnellzerfallende pharmazeutische presslinge. |
| US4863743A (en) * | 1985-02-19 | 1989-09-05 | Key Pharmaceuticals, Inc. | Controlled release potassium chloride |
| GB8519310D0 (en) * | 1985-07-31 | 1985-09-04 | Zyma Sa | Granular active substances |
| GB8702411D0 (en) * | 1987-02-03 | 1987-03-11 | Zyma Sa | Swellable pellets |
| US4822619A (en) * | 1987-02-18 | 1989-04-18 | Ionor, Inc. | Controlled release pharmaceutical preparation containing a gastrointestinal irritant drug |
| US5035898A (en) * | 1987-11-27 | 1991-07-30 | Schering Corporation | Potassium/magnesium supplement |
| US5498428A (en) * | 1988-10-21 | 1996-03-12 | The Regents Of The University Of California | Treatment of hypertension by oral administration of potassium bicarbonate |
| US5171583A (en) * | 1988-10-21 | 1992-12-15 | The Regents Of The University Of California | Treatment of osteoporosis using potassium bicarbonate |
| WO1990004403A1 (en) * | 1988-10-21 | 1990-05-03 | The Regents Of The University Of California | Treatment of hypertension |
| DE3838094A1 (de) * | 1988-11-10 | 1990-05-17 | Nordmark Arzneimittel Gmbh | Feste pharmazeutische retardform |
| US5077051A (en) * | 1990-04-10 | 1991-12-31 | Warner-Lambert Company | Sustained release of active agents from bioadhesive microcapsules |
| US5445805A (en) * | 1993-05-06 | 1995-08-29 | Church & Dwight Co., Inc. | Large potassium bicarbonate crystals and process for the preparation thereof |
-
1995
- 1995-06-06 US US08/472,693 patent/US5674529A/en not_active Expired - Lifetime
-
1996
- 1996-05-30 ZA ZA9604427A patent/ZA964427B/xx unknown
- 1996-06-03 AR ARP960102873A patent/AR003131A1/es not_active Application Discontinuation
- 1996-06-06 EP EP96918140A patent/EP0840598A4/en not_active Withdrawn
- 1996-06-06 CO CO96029255A patent/CO4700033A1/es unknown
- 1996-06-06 KR KR1019970709018A patent/KR19990022537A/ko not_active Application Discontinuation
- 1996-06-06 AU AU60473/96A patent/AU698784B2/en not_active Ceased
- 1996-06-06 SK SK1677-97A patent/SK167797A3/sk unknown
- 1996-06-06 CZ CZ19973892A patent/CZ288129B6/cs not_active IP Right Cessation
- 1996-06-06 NZ NZ310138A patent/NZ310138A/en unknown
- 1996-06-06 BR BR9608392-1A patent/BR9608392A/pt not_active IP Right Cessation
- 1996-06-06 HU HU9900856A patent/HUP9900856A2/hu unknown
- 1996-06-06 CA CA002223281A patent/CA2223281A1/en not_active Abandoned
- 1996-06-06 CN CN96194592A patent/CN1106837C/zh not_active Expired - Fee Related
- 1996-06-06 WO PCT/US1996/009016 patent/WO1996039127A1/en not_active Application Discontinuation
- 1996-06-06 JP JP9501435A patent/JPH11506778A/ja not_active Ceased
- 1996-06-06 PL PL96323939A patent/PL323939A1/xx unknown
-
1997
- 1997-12-03 NO NO19975567A patent/NO312815B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NO975567L (no) | 1998-02-05 |
| CO4700033A1 (es) | 1998-12-29 |
| AR003131A1 (es) | 1998-07-08 |
| AU698784B2 (en) | 1998-11-05 |
| AU6047396A (en) | 1996-12-24 |
| WO1996039127A1 (en) | 1996-12-12 |
| SK167797A3 (en) | 1998-06-03 |
| NO975567D0 (no) | 1997-12-03 |
| KR19990022537A (ko) | 1999-03-25 |
| PL323939A1 (en) | 1998-04-27 |
| EP0840598A1 (en) | 1998-05-13 |
| ZA964427B (en) | 1997-02-24 |
| US5674529A (en) | 1997-10-07 |
| CN1187121A (zh) | 1998-07-08 |
| EP0840598A4 (en) | 2001-08-29 |
| BR9608392A (pt) | 1999-11-30 |
| HUP9900856A2 (hu) | 1999-08-30 |
| CZ389297A3 (cs) | 1998-06-17 |
| NZ310138A (en) | 1999-04-29 |
| JPH11506778A (ja) | 1999-06-15 |
| CZ288129B6 (cs) | 2001-04-11 |
| CA2223281A1 (en) | 1996-12-12 |
| CN1106837C (zh) | 2003-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |