CH652025A5 - Pharmazeutisches praeparat. - Google Patents
Pharmazeutisches praeparat. Download PDFInfo
- Publication number
- CH652025A5 CH652025A5 CH4867/82A CH486782A CH652025A5 CH 652025 A5 CH652025 A5 CH 652025A5 CH 4867/82 A CH4867/82 A CH 4867/82A CH 486782 A CH486782 A CH 486782A CH 652025 A5 CH652025 A5 CH 652025A5
- Authority
- CH
- Switzerland
- Prior art keywords
- dopa
- weight
- formulation
- trihydroxybenzyl
- seryl
- Prior art date
Links
- 239000000825 pharmaceutical preparation Substances 0.000 title description 7
- WTDRDQBEARUVNC-LURJTMIESA-N L-DOPA Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-LURJTMIESA-N 0.000 description 51
- WTDRDQBEARUVNC-UHFFFAOYSA-N L-Dopa Natural products OC(=O)C(N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-UHFFFAOYSA-N 0.000 description 49
- 239000000203 mixture Substances 0.000 description 44
- 239000002775 capsule Substances 0.000 description 32
- 238000002360 preparation method Methods 0.000 description 30
- 238000009472 formulation Methods 0.000 description 29
- 239000000416 hydrocolloid Substances 0.000 description 25
- 239000003954 decarboxylase inhibitor Substances 0.000 description 23
- 229940123736 Decarboxylase inhibitor Drugs 0.000 description 19
- 239000000126 substance Substances 0.000 description 18
- 239000004480 active ingredient Substances 0.000 description 16
- 230000003111 delayed effect Effects 0.000 description 13
- ULFCBIUXQQYDEI-UHFFFAOYSA-N benserazide hydrochloride Chemical compound Cl.OCC(N)C(=O)NNCC1=CC=C(O)C(O)=C1O ULFCBIUXQQYDEI-UHFFFAOYSA-N 0.000 description 11
- 239000012530 fluid Substances 0.000 description 10
- 230000002496 gastric effect Effects 0.000 description 10
- 239000000546 pharmaceutical excipient Substances 0.000 description 10
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 8
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 8
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 8
- 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 8
- 239000004615 ingredient Substances 0.000 description 8
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 8
- 230000036765 blood level Effects 0.000 description 7
- 210000004051 gastric juice Anatomy 0.000 description 7
- 239000008187 granular material Substances 0.000 description 7
- 229940124531 pharmaceutical excipient Drugs 0.000 description 7
- -1 2,3,4-trihydroxybenzyl Chemical group 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 239000003814 drug Substances 0.000 description 6
- 229940079593 drug Drugs 0.000 description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical class [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 5
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 5
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 5
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 5
- 210000002784 stomach Anatomy 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 4
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 4
- 229930195725 Mannitol Natural products 0.000 description 4
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 4
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 4
- 235000019359 magnesium stearate Nutrition 0.000 description 4
- 239000000594 mannitol Substances 0.000 description 4
- 235000010355 mannitol Nutrition 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 208000018737 Parkinson disease Diseases 0.000 description 3
- BIVUUOPIAYRCAP-UHFFFAOYSA-N aminoazanium;chloride Chemical compound Cl.NN BIVUUOPIAYRCAP-UHFFFAOYSA-N 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 239000001506 calcium phosphate Substances 0.000 description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000000338 in vitro Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 210000002381 plasma Anatomy 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- 230000001225 therapeutic effect Effects 0.000 description 3
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical group OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 102000004031 Carboxy-Lyases Human genes 0.000 description 2
- 108090000489 Carboxy-Lyases Proteins 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 229920000168 Microcrystalline cellulose Polymers 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 230000008499 blood brain barrier function Effects 0.000 description 2
- 210000001218 blood-brain barrier Anatomy 0.000 description 2
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 229940096529 carboxypolymethylene Drugs 0.000 description 2
- 235000010980 cellulose Nutrition 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000011436 cob Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000001530 fumaric acid Substances 0.000 description 2
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 2
- 150000004677 hydrates Chemical class 0.000 description 2
- 239000010514 hydrogenated cottonseed oil Substances 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 235000010981 methylcellulose Nutrition 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 2
- 239000008108 microcrystalline cellulose Substances 0.000 description 2
- 229940016286 microcrystalline cellulose Drugs 0.000 description 2
- 229910000150 monocalcium phosphate Inorganic materials 0.000 description 2
- 235000019691 monocalcium phosphate Nutrition 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 1
- OFKWWALNMPEOSZ-UHFFFAOYSA-N 3-(hydrazinylmethyl)phenol Chemical compound NNCC1=CC=CC(O)=C1 OFKWWALNMPEOSZ-UHFFFAOYSA-N 0.000 description 1
- 229920001817 Agar Polymers 0.000 description 1
- 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 1
- 241000416162 Astragalus gummifer Species 0.000 description 1
- NNBNKIMRZZMHMX-UHFFFAOYSA-N Cl.NC(CO)C(=O)N(N)CC1=C(C(=C(C=C1)O)O)O Chemical group Cl.NC(CO)C(=O)N(N)CC1=C(C(=C(C=C1)O)O)O NNBNKIMRZZMHMX-UHFFFAOYSA-N 0.000 description 1
- 235000019739 Dicalciumphosphate Nutrition 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- 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 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229920002907 Guar gum Polymers 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- 229920000569 Gum karaya Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 101710096582 L-tyrosine decarboxylase Proteins 0.000 description 1
- 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 1
- 229920000161 Locust bean gum Polymers 0.000 description 1
- 241000934878 Sterculia Species 0.000 description 1
- 229920001615 Tragacanth Polymers 0.000 description 1
- 229920002494 Zein Polymers 0.000 description 1
- 206010000059 abdominal discomfort Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000008272 agar Substances 0.000 description 1
- 229940023476 agar Drugs 0.000 description 1
- 235000010419 agar Nutrition 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- CJCSPKMFHVPWAR-JTQLQIEISA-N alpha-methyl-L-dopa Chemical compound OC(=O)[C@](N)(C)CC1=CC=C(O)C(O)=C1 CJCSPKMFHVPWAR-JTQLQIEISA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 229940069428 antacid Drugs 0.000 description 1
- 239000003159 antacid agent Substances 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 230000000648 anti-parkinson Effects 0.000 description 1
- 239000000939 antiparkinson agent Substances 0.000 description 1
- 235000013871 bee wax Nutrition 0.000 description 1
- 239000012166 beeswax Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000037058 blood plasma level Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- FUFJGUQYACFECW-UHFFFAOYSA-L calcium hydrogenphosphate Chemical compound [Ca+2].OP([O-])([O-])=O FUFJGUQYACFECW-UHFFFAOYSA-L 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 235000010418 carrageenan Nutrition 0.000 description 1
- 239000000679 carrageenan Substances 0.000 description 1
- 229920001525 carrageenan Polymers 0.000 description 1
- 229940113118 carrageenan Drugs 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229960000541 cetyl alcohol Drugs 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 229910000390 dicalcium phosphate Inorganic materials 0.000 description 1
- 229940038472 dicalcium phosphate Drugs 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 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 description 1
- 229940075507 glyceryl monostearate Drugs 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 235000010494 karaya gum Nutrition 0.000 description 1
- 239000000231 karaya gum Substances 0.000 description 1
- 229940039371 karaya gum Drugs 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 235000010420 locust bean gum Nutrition 0.000 description 1
- 239000000711 locust bean gum Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 229960000292 pectin Drugs 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000008194 pharmaceutical composition Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000036470 plasma concentration Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000009492 tablet coating Methods 0.000 description 1
- 239000002700 tablet coating Substances 0.000 description 1
- 239000002278 tabletting lubricant Substances 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- 238000005550 wet granulation Methods 0.000 description 1
- 239000005019 zein Substances 0.000 description 1
- 229940093612 zein Drugs 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 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
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
- A61K9/0065—Forms with gastric retention, e.g. floating on gastric juice, adhering to gastric mucosa, expanding to prevent passage through the pylorus
-
- 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
- A61K31/185—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
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Physiology (AREA)
- Nutrition Science (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US30149881A | 1981-09-14 | 1981-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH652025A5 true CH652025A5 (de) | 1985-10-31 |
Family
ID=23163649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH4867/82A CH652025A5 (de) | 1981-09-14 | 1982-08-13 | Pharmazeutisches praeparat. |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5857315A (nl) |
| AT (1) | AT385199B (nl) |
| BE (1) | BE894376A (nl) |
| BG (1) | BG60526B2 (nl) |
| CH (1) | CH652025A5 (nl) |
| DE (1) | DE3232873A1 (nl) |
| FR (1) | FR2512676B1 (nl) |
| GB (1) | GB2105590B (nl) |
| IT (1) | IT1158048B (nl) |
| MX (1) | MX9203173A (nl) |
| NL (1) | NL190746C (nl) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6143108A (ja) * | 1984-08-03 | 1986-03-01 | Nippon Shinyaku Co Ltd | 医薬品製剤及びその製造法 |
| GB8507779D0 (en) * | 1985-03-26 | 1985-05-01 | Fujisawa Pharmaceutical Co | Drug carrier |
| EP0198769A3 (en) * | 1985-04-12 | 1987-09-02 | Forest Laboratories, Inc. | Floating sustained release therapeutic compositions |
| US4983400A (en) * | 1986-06-16 | 1991-01-08 | Merck & Co., Inc. | Controlled release combination of carbidopa/levodopa |
| SE460947B (sv) * | 1986-08-26 | 1989-12-11 | Lejus Medical Ab | En multiple-unit-dos komposition av l-dopa |
| DE3642668A1 (de) * | 1986-12-13 | 1988-06-23 | Kamprad Joachim | Schmerzmittel fuer menschen |
| DE3875716D1 (de) * | 1987-12-31 | 1992-12-10 | Asta Medica Ag | Synergistische kombination von decarboxylasehemmern und l-dopa-pellets. |
| DE69017915T2 (de) * | 1989-10-26 | 1995-07-27 | Nippon Shinyaku Co Ltd | Zubereitung für den magen. |
| DE4101873C2 (de) | 1991-01-23 | 1993-12-09 | Isis Pharma Gmbh | Peroral applizierbare Arzneiform zur Behandlung zentraler Dopaminmangelzustände |
| US5227167A (en) * | 1991-06-11 | 1993-07-13 | Alza Corporation | Long-term delivery device including hydrophobic loading dose |
| US5169638A (en) * | 1991-10-23 | 1992-12-08 | E. R. Squibb & Sons, Inc. | Buoyant controlled release powder formulation |
| SE9203594D0 (sv) * | 1992-11-30 | 1992-11-30 | Christer Nystroem | Laekemedel i dispersa system |
| AU8000494A (en) * | 1993-10-29 | 1995-05-22 | Reckitt & Colman Products Limited | Gelatin capsule fill able to foam |
| US5888540A (en) * | 1993-10-29 | 1999-03-30 | Sugden; Keith | Pharmaceutical products |
| DE69423643T2 (de) * | 1993-10-29 | 2000-09-07 | R.P. Scherer Corp., Troy | Schäumende gelatinkapselfüllung |
| US5840756A (en) * | 1995-07-21 | 1998-11-24 | Teva Pharmaceutical Industries Ltd. | Pharmaceutical composition of L-DOPA ester |
| AU2003282603A1 (en) * | 2002-10-11 | 2004-05-04 | Depomed Development Ltd | Gastro-retentive levodopa delivery form |
| DE102004039196B4 (de) | 2004-08-12 | 2008-07-31 | Dr.Kamprad Kg | Neue Formulierung für L-Tryptophan |
| DE102010023828A1 (de) * | 2010-06-15 | 2011-12-15 | IIP - Institut für industrielle Pharmazie, Forschungs- und Entwicklungsgesellschaft mbH | Pharmazeutisches Präparat, welches Entacapon, Levodopa und Carbidopa enthält |
| DE102014003744A1 (de) | 2014-03-10 | 2015-09-10 | Laboratorium für Lebensmittelwissenschaft (FPE) - Eidgenössische Technische Hochschule Zürich (ETH) | Produkt zur oralen Verabreichung bei Menschen oder Tieren mit mikrostrukturierten, gekapselten Inhaltsstoffen sowie Vorrichtung zum Herstellen eines derartigen Produkts und Verfahren zum Herstellen dieses Produkts |
| DE102022103658A1 (de) | 2022-02-16 | 2023-08-17 | Joachim Kamprad | Arzneimittelzusammensetzung enthaltend L-Tryptophan (L-Try) und L-5-Hydroxytryptophan (5-HTP) sowie einen peripheren Abbauhemmer |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH409996A (de) * | 1961-06-16 | 1966-03-31 | Hoffmann La Roche | Verfahren zur Herstellung von substituierten Hydrazinen |
| US3557292A (en) * | 1968-08-16 | 1971-01-19 | Hoffmann La Roche | Compositions and methods for treating parkinson's disease with combinations of l-3,4-dihydroxyphenylalanine and a hydrazine |
| US3632778A (en) * | 1970-06-10 | 1972-01-04 | Hoffmann La Roche | Tablets containing l-dopa |
| ZA713877B (en) * | 1970-07-24 | 1972-03-29 | Hoffmann La Roche | Pharmaceutical composition |
| DE2305209A1 (de) * | 1972-02-14 | 1973-08-23 | Hoffmann La Roche | Pharmazeutisches praeparat |
| CA1018456A (en) * | 1972-06-26 | 1977-10-04 | Hans Lowey | Prolonged release lozenges |
| CH630257A5 (en) * | 1975-03-17 | 1982-06-15 | Hoffmann La Roche | Sustained release formulation |
| US4126672A (en) * | 1976-02-04 | 1978-11-21 | Hoffmann-La Roche Inc. | Sustained release pharmaceutical capsules |
| US4167558A (en) * | 1976-02-13 | 1979-09-11 | Hoffmann-La Roche Inc. | Novel sustained release tablet formulations |
| US4140755A (en) * | 1976-02-13 | 1979-02-20 | Hoffmann-La Roche Inc. | Sustained release tablet formulations |
-
1982
- 1982-08-13 CH CH4867/82A patent/CH652025A5/de not_active IP Right Cessation
- 1982-08-26 NL NL8203343A patent/NL190746C/nl not_active IP Right Cessation
- 1982-09-03 DE DE19823232873 patent/DE3232873A1/de not_active Ceased
- 1982-09-07 IT IT23147/82A patent/IT1158048B/it active Protection Beyond IP Right Term
- 1982-09-10 FR FR8215334A patent/FR2512676B1/fr not_active Expired
- 1982-09-13 AT AT0341582A patent/AT385199B/de not_active IP Right Cessation
- 1982-09-13 BE BE0/208995A patent/BE894376A/fr not_active IP Right Cessation
- 1982-09-13 GB GB08226087A patent/GB2105590B/en not_active Expired
- 1982-09-13 JP JP57158240A patent/JPS5857315A/ja active Granted
-
1992
- 1992-06-23 MX MX9203173A patent/MX9203173A/es unknown
-
1994
- 1994-02-21 BG BG098501A patent/BG60526B2/bg unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2512676A1 (fr) | 1983-03-18 |
| GB2105590B (en) | 1985-05-30 |
| NL190746C (nl) | 1994-08-01 |
| FR2512676B1 (fr) | 1987-01-23 |
| MX9203173A (es) | 1992-07-01 |
| DE3232873A1 (de) | 1983-03-31 |
| NL8203343A (nl) | 1983-04-05 |
| JPS5857315A (ja) | 1983-04-05 |
| BE894376A (fr) | 1983-03-14 |
| NL190746B (nl) | 1994-03-01 |
| AT385199B (de) | 1988-02-25 |
| ATA341582A (de) | 1987-08-15 |
| IT8223147A0 (it) | 1982-09-07 |
| BG60526B2 (bg) | 1995-07-28 |
| GB2105590A (en) | 1983-03-30 |
| IT1158048B (it) | 1987-02-18 |
| JPH0341447B2 (nl) | 1991-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: F. HOFFMANN-LA ROCHE AG |
|
| PL | Patent ceased |