WO1997030736A2 - Contrast medium - Google Patents
Contrast medium Download PDFInfo
- Publication number
- WO1997030736A2 WO1997030736A2 PCT/GB1997/000473 GB9700473W WO9730736A2 WO 1997030736 A2 WO1997030736 A2 WO 1997030736A2 GB 9700473 W GB9700473 W GB 9700473W WO 9730736 A2 WO9730736 A2 WO 9730736A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- composition
- modifier
- osmotic
- viscosity
- viscosity modifier
- Prior art date
Links
- 239000002872 contrast media Substances 0.000 title claims abstract description 62
- 239000003607 modifier Substances 0.000 claims abstract description 48
- 239000004034 viscosity adjusting agent Substances 0.000 claims abstract description 40
- 230000003204 osmotic effect Effects 0.000 claims abstract description 39
- 239000011248 coating agent Substances 0.000 claims abstract description 33
- 238000000576 coating method Methods 0.000 claims abstract description 33
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 210000003750 lower gastrointestinal tract Anatomy 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 120
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical group [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 53
- 238000003384 imaging method Methods 0.000 claims description 40
- 210000001035 gastrointestinal tract Anatomy 0.000 claims description 21
- 230000000112 colonic effect Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 150000004676 glycans Chemical class 0.000 claims description 11
- 229920001282 polysaccharide Polymers 0.000 claims description 11
- 239000005017 polysaccharide Substances 0.000 claims description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 8
- 210000004877 mucosa Anatomy 0.000 claims description 8
- 229920001515 polyalkylene glycol Polymers 0.000 claims description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 7
- 229920000233 poly(alkylene oxides) Polymers 0.000 claims description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 6
- 238000002604 ultrasonography Methods 0.000 claims description 6
- 229920001206 natural gum Polymers 0.000 claims description 5
- 150000002170 ethers Chemical class 0.000 claims description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 3
- 229920001400 block copolymer Polymers 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 claims description 3
- 229910001385 heavy metal Inorganic materials 0.000 claims description 3
- 229910052740 iodine Inorganic materials 0.000 claims description 3
- 239000011630 iodine Substances 0.000 claims description 3
- 230000003232 mucoadhesive effect Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 235000010443 alginic acid Nutrition 0.000 claims description 2
- 229920000615 alginic acid Polymers 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 238000003745 diagnosis Methods 0.000 claims description 2
- 239000003814 drug Substances 0.000 claims description 2
- 238000012377 drug delivery Methods 0.000 claims description 2
- 230000006872 improvement Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000008194 pharmaceutical composition Substances 0.000 claims description 2
- 229940124597 therapeutic agent Drugs 0.000 claims description 2
- 210000002438 upper gastrointestinal tract Anatomy 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims 6
- 239000007900 aqueous suspension Substances 0.000 claims 6
- 229920000642 polymer Polymers 0.000 claims 1
- 238000009472 formulation Methods 0.000 description 53
- 210000001072 colon Anatomy 0.000 description 28
- 241000282472 Canis lupus familiaris Species 0.000 description 15
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 14
- 229920001223 polyethylene glycol Polymers 0.000 description 14
- 239000002202 Polyethylene glycol Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000000796 flavoring agent Substances 0.000 description 11
- 239000000839 emulsion Substances 0.000 description 10
- 230000001174 ascending effect Effects 0.000 description 9
- -1 methylceUulose Polymers 0.000 description 9
- 235000019634 flavors Nutrition 0.000 description 8
- 238000009877 rendering Methods 0.000 description 8
- FTLYMKDSHNWQKD-UHFFFAOYSA-N (2,4,5-trichlorophenyl)boronic acid Chemical compound OB(O)C1=CC(Cl)=C(Cl)C=C1Cl FTLYMKDSHNWQKD-UHFFFAOYSA-N 0.000 description 7
- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical compound [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 description 7
- 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 7
- 229920003123 carboxymethyl cellulose sodium Polymers 0.000 description 7
- 229940063834 carboxymethylcellulose sodium Drugs 0.000 description 7
- AMTWCFIAVKBGOD-UHFFFAOYSA-N dioxosilane;methoxy-dimethyl-trimethylsilyloxysilane Chemical compound O=[Si]=O.CO[Si](C)(C)O[Si](C)(C)C AMTWCFIAVKBGOD-UHFFFAOYSA-N 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 239000004302 potassium sorbate Substances 0.000 description 7
- 235000010241 potassium sorbate Nutrition 0.000 description 7
- 229940069338 potassium sorbate Drugs 0.000 description 7
- 239000008213 purified water Substances 0.000 description 7
- 229940085605 saccharin sodium Drugs 0.000 description 7
- 229940083037 simethicone Drugs 0.000 description 7
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 7
- 235000010234 sodium benzoate Nutrition 0.000 description 7
- 239000004299 sodium benzoate Substances 0.000 description 7
- 229920003091 Methocel™ Polymers 0.000 description 6
- 229920000168 Microcrystalline cellulose Polymers 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 6
- 229910052788 barium Inorganic materials 0.000 description 6
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 6
- 235000010980 cellulose Nutrition 0.000 description 6
- 229920002678 cellulose Polymers 0.000 description 6
- 229940039231 contrast media Drugs 0.000 description 6
- 239000004615 ingredient Substances 0.000 description 6
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 6
- 239000008108 microcrystalline cellulose Substances 0.000 description 6
- 229940016286 microcrystalline cellulose Drugs 0.000 description 6
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 6
- 239000001913 cellulose Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 4
- 241000207199 Citrus Species 0.000 description 4
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 4
- 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 4
- 229960004543 anhydrous citric acid Drugs 0.000 description 4
- 210000001815 ascending colon Anatomy 0.000 description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 4
- 229940105329 carboxymethylcellulose Drugs 0.000 description 4
- OIQPTROHQCGFEF-UHFFFAOYSA-L chembl1371409 Chemical compound [Na+].[Na+].OC1=CC=C2C=C(S([O-])(=O)=O)C=CC2=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 OIQPTROHQCGFEF-UHFFFAOYSA-L 0.000 description 4
- 235000020971 citrus fruits Nutrition 0.000 description 4
- 210000001731 descending colon Anatomy 0.000 description 4
- 238000002059 diagnostic imaging Methods 0.000 description 4
- 229940051147 fd&c yellow no. 6 Drugs 0.000 description 4
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 4
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 210000003384 transverse colon Anatomy 0.000 description 4
- 239000004150 EU approved colour Substances 0.000 description 3
- 229920002359 Tetronic® Polymers 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 238000011833 dog model Methods 0.000 description 3
- 238000002594 fluoroscopy Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000002496 gastric effect Effects 0.000 description 3
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229940006093 opthalmologic coloring agent diagnostic Drugs 0.000 description 3
- 238000011176 pooling Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229920000945 Amylopectin Polymers 0.000 description 2
- YASYEJJMZJALEJ-UHFFFAOYSA-N Citric acid monohydrate Chemical compound O.OC(=O)CC(O)(C(O)=O)CC(O)=O YASYEJJMZJALEJ-UHFFFAOYSA-N 0.000 description 2
- 241000792859 Enema Species 0.000 description 2
- 239000001856 Ethyl cellulose Substances 0.000 description 2
- 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 2
- 206010073306 Exposure to radiation Diseases 0.000 description 2
- 229920002907 Guar gum Polymers 0.000 description 2
- 229920003094 Methocel™ K4M Polymers 0.000 description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 2
- RVGRUAULSDPKGF-UHFFFAOYSA-N Poloxamer Chemical compound C1CO1.CC1CO1 RVGRUAULSDPKGF-UHFFFAOYSA-N 0.000 description 2
- 229920002534 Polyethylene Glycol 1450 Polymers 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000013011 aqueous formulation Substances 0.000 description 2
- 229920003086 cellulose ether Polymers 0.000 description 2
- 229960004106 citric acid Drugs 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000013170 computed tomography imaging Methods 0.000 description 2
- 210000004921 distal colon Anatomy 0.000 description 2
- 239000007920 enema Substances 0.000 description 2
- 229940095399 enema Drugs 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 235000019325 ethyl cellulose Nutrition 0.000 description 2
- 229920001249 ethyl cellulose Polymers 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 235000013355 food flavoring agent Nutrition 0.000 description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 2
- SQORATIMOBOFKR-UHFFFAOYSA-H gadolinium(3+);oxalate Chemical compound [Gd+3].[Gd+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O SQORATIMOBOFKR-UHFFFAOYSA-H 0.000 description 2
- 239000000665 guar gum Substances 0.000 description 2
- 235000010417 guar gum Nutrition 0.000 description 2
- 229960002154 guar gum Drugs 0.000 description 2
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 2
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 2
- 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 2
- 238000011835 investigation Methods 0.000 description 2
- NTHXOOBQLCIOLC-UHFFFAOYSA-N iohexol Chemical compound OCC(O)CN(C(=O)C)C1=C(I)C(C(=O)NCC(O)CO)=C(I)C(C(=O)NCC(O)CO)=C1I NTHXOOBQLCIOLC-UHFFFAOYSA-N 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000001814 pectin Substances 0.000 description 2
- 235000010987 pectin Nutrition 0.000 description 2
- 229920001277 pectin Polymers 0.000 description 2
- 229920001983 poloxamer Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002603 single-photon emission computed tomography Methods 0.000 description 2
- 210000000813 small intestine Anatomy 0.000 description 2
- ZEYOIOAKZLALAP-UHFFFAOYSA-M sodium amidotrizoate Chemical compound [Na+].CC(=O)NC1=C(I)C(NC(C)=O)=C(I)C(C([O-])=O)=C1I ZEYOIOAKZLALAP-UHFFFAOYSA-M 0.000 description 2
- 210000002784 stomach Anatomy 0.000 description 2
- 238000002609 virtual colonoscopy Methods 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 239000000230 xanthan gum Substances 0.000 description 2
- 229920001285 xanthan gum Polymers 0.000 description 2
- 235000010493 xanthan gum Nutrition 0.000 description 2
- 229940082509 xanthan gum Drugs 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
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- 241000282465 Canis Species 0.000 description 1
- 208000001333 Colorectal Neoplasms Diseases 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- 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 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 239000004375 Dextrin Substances 0.000 description 1
- 229920001353 Dextrin Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 244000147568 Laurus nobilis Species 0.000 description 1
- 235000017858 Laurus nobilis Nutrition 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- 229930195725 Mannitol Natural products 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 229920002562 Polyethylene Glycol 3350 Polymers 0.000 description 1
- 229920002565 Polyethylene Glycol 400 Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 206010056626 Pseudopolyp Diseases 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000004141 Sodium laurylsulphate Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 235000005212 Terminalia tomentosa Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 235000008206 alpha-amino acids Nutrition 0.000 description 1
- 150000001371 alpha-amino acids Chemical class 0.000 description 1
- 239000008365 aqueous carrier Substances 0.000 description 1
- 150000001553 barium compounds Chemical class 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
- 239000011230 binding agent Substances 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 125000004181 carboxyalkyl group Chemical group 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000004697 chelate complex Chemical class 0.000 description 1
- 238000002052 colonoscopy Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- 239000000032 diagnostic agent Substances 0.000 description 1
- 229940039227 diagnostic agent Drugs 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 239000007884 disintegrant Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 239000002961 echo contrast media Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002593 electrical impedance tomography Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 230000005293 ferrimagnetic effect Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 210000004051 gastric juice Anatomy 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000000193 iodinated contrast media Substances 0.000 description 1
- 210000002429 large intestine Anatomy 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000002502 liposome Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 238000005404 magnetometry Methods 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910021645 metal ion Inorganic materials 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
- 238000003801 milling Methods 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 150000002482 oligosaccharides Polymers 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 235000019629 palatability Nutrition 0.000 description 1
- 230000005298 paramagnetic effect Effects 0.000 description 1
- 239000002907 paramagnetic material Substances 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 229960000502 poloxamer Drugs 0.000 description 1
- 229920001992 poloxamer 407 Polymers 0.000 description 1
- 229920001987 poloxamine Polymers 0.000 description 1
- 229920000191 poly(N-vinyl pyrrolidone) Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 208000022131 polyp of large intestine Diseases 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229940069328 povidone Drugs 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000010356 sorbitol Nutrition 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000009044 synergistic interaction Effects 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000012285 ultrasound imaging Methods 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/04—X-ray contrast preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/04—X-ray contrast preparations
- A61K49/0404—X-ray contrast preparations containing barium sulfate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/06—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations
- A61K49/18—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes
- A61K49/1806—Suspensions, emulsions, colloids, dispersions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/22—Echographic preparations; Ultrasound imaging preparations ; Optoacoustic imaging preparations
- A61K49/222—Echographic preparations; Ultrasound imaging preparations ; Optoacoustic imaging preparations characterised by a special physical form, e.g. emulsions, liposomes
- A61K49/226—Solutes, emulsions, suspensions, dispersions, semi-solid forms, e.g. hydrogels
Landscapes
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9529894A JP2000504742A (en) | 1996-02-20 | 1997-02-20 | Contrast medium |
BR9710946-0A BR9710946A (en) | 1996-02-20 | 1997-02-20 | Contrast medium |
EP97905227A EP0881916A2 (en) | 1996-02-20 | 1997-02-20 | Contrast medium |
AU18852/97A AU1885297A (en) | 1996-02-20 | 1997-03-20 | Contrast medium |
NO983828A NO983828L (en) | 1996-02-20 | 1998-08-20 | Imaging agents |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9603547.2A GB9603547D0 (en) | 1996-02-20 | 1996-02-20 | Contrast media |
GB9603547.2 | 1996-02-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1997030736A2 true WO1997030736A2 (en) | 1997-08-28 |
WO1997030736A3 WO1997030736A3 (en) | 1997-12-18 |
Family
ID=10789076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1997/000473 WO1997030736A2 (en) | 1996-02-20 | 1997-02-20 | Contrast medium |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0881916A2 (en) |
JP (1) | JP2000504742A (en) |
KR (1) | KR19990087196A (en) |
CN (1) | CN1215342A (en) |
AU (1) | AU1885297A (en) |
BR (1) | BR9710946A (en) |
CA (1) | CA2247041A1 (en) |
GB (1) | GB9603547D0 (en) |
HU (1) | HUP9901323A2 (en) |
NO (1) | NO983828L (en) |
WO (1) | WO1997030736A2 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1138331A2 (en) * | 2000-03-07 | 2001-10-04 | K.B.A.S. Pty Limited | Stool marker |
WO2001069539A3 (en) * | 2000-03-10 | 2002-01-24 | Mayo Foundation | Colonography of an unprepared colon |
US6928314B1 (en) | 1998-01-23 | 2005-08-09 | Mayo Foundation For Medical Education And Research | System for two-dimensional and three-dimensional imaging of tubular structures in the human body |
US7591998B2 (en) | 2000-03-07 | 2009-09-22 | Kevin Tait | Stool marker |
EP2152166A1 (en) * | 2007-04-27 | 2010-02-17 | Pluromed, Inc. | Ultrasonography using time-and temperature-sensitive variable adhesion coupling gels |
US8031921B2 (en) | 2005-02-14 | 2011-10-04 | Mayo Foundation For Medical Education And Research | Electronic stool subtraction in CT colonography |
WO2015024025A1 (en) | 2013-08-16 | 2015-02-19 | The Regents Of The University Of California | Silicone-based enteric ct contrast material |
US10111970B2 (en) | 2015-09-30 | 2018-10-30 | Duke University | Contrast agents for magnetic resonance imaging |
WO2020051437A1 (en) * | 2018-09-07 | 2020-03-12 | Moore Dental Technologies And Solutions Llc | Dental fracture detection compositions and methods |
US11033640B2 (en) | 2013-03-15 | 2021-06-15 | The Regents Of The University Of California | Enteric CT contrast material based on low-z atoms |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19844495B4 (en) * | 1998-09-29 | 2005-04-07 | Man Roland Druckmaschinen Ag | Method for color calibration by means of color management for a digitally controllable printing press with a rewritable printing form |
JP3461750B2 (en) | 1999-03-04 | 2003-10-27 | パナソニック コミュニケーションズ株式会社 | Communication apparatus, communication method, and caller information registration method |
CN104587494A (en) * | 2014-12-19 | 2015-05-06 | 张锐 | Formula for barium meal for contrast of gastrointestinal tract and preparation method thereof |
CN106075476B (en) * | 2016-07-30 | 2019-05-31 | 温州市人民医院 | A kind of contrast agent |
CN109540936A (en) * | 2019-01-11 | 2019-03-29 | 大连大学附属中山医院 | It is a kind of for high-resolution ct and the room temperature contrast agent of x-ray artery, vein or pipeline and preparation method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1980001244A1 (en) * | 1978-12-19 | 1980-06-26 | Bykgulden Lomberg Chem Fab | X-ray contrast media solutions |
WO1991001147A1 (en) * | 1989-07-21 | 1991-02-07 | Nycomed As | Particulate contrast media |
EP0498482A2 (en) * | 1991-01-25 | 1992-08-12 | NanoSystems L.L.C. | X-ray contrast compositions useful in medical imaging |
EP0605024A2 (en) * | 1992-12-16 | 1994-07-06 | NanoSystems L.L.C. | Use of purified surface modifiers to prevent particle aggregation during sterilization |
WO1995022995A1 (en) * | 1994-02-25 | 1995-08-31 | Nycomed Imaging A/S | X-ray contrast compositions containing cellulose derivatives |
-
1996
- 1996-02-20 GB GBGB9603547.2A patent/GB9603547D0/en active Pending
-
1997
- 1997-02-20 EP EP97905227A patent/EP0881916A2/en not_active Withdrawn
- 1997-02-20 HU HU9901323A patent/HUP9901323A2/en unknown
- 1997-02-20 WO PCT/GB1997/000473 patent/WO1997030736A2/en not_active Application Discontinuation
- 1997-02-20 BR BR9710946-0A patent/BR9710946A/en not_active Application Discontinuation
- 1997-02-20 CN CN97193663A patent/CN1215342A/en active Pending
- 1997-02-20 KR KR1019980706591A patent/KR19990087196A/en not_active Application Discontinuation
- 1997-02-20 CA CA002247041A patent/CA2247041A1/en not_active Abandoned
- 1997-02-20 JP JP9529894A patent/JP2000504742A/en active Pending
- 1997-03-20 AU AU18852/97A patent/AU1885297A/en not_active Abandoned
-
1998
- 1998-08-20 NO NO983828A patent/NO983828L/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1980001244A1 (en) * | 1978-12-19 | 1980-06-26 | Bykgulden Lomberg Chem Fab | X-ray contrast media solutions |
WO1991001147A1 (en) * | 1989-07-21 | 1991-02-07 | Nycomed As | Particulate contrast media |
EP0498482A2 (en) * | 1991-01-25 | 1992-08-12 | NanoSystems L.L.C. | X-ray contrast compositions useful in medical imaging |
EP0605024A2 (en) * | 1992-12-16 | 1994-07-06 | NanoSystems L.L.C. | Use of purified surface modifiers to prevent particle aggregation during sterilization |
WO1995022995A1 (en) * | 1994-02-25 | 1995-08-31 | Nycomed Imaging A/S | X-ray contrast compositions containing cellulose derivatives |
Non-Patent Citations (1)
Title |
---|
CHEMICAL ABSTRACTS, vol. 72, no. 24, 15 June 1970 Columbus, Ohio, US; abstract no. 125083, ALPIN, ALBERT ET AL: "X-ray contrast preparations" XP002044418 & ZA 6 805 427 A (ALPIN, ALBERT;MOSS, CLIVE B.) * |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6928314B1 (en) | 1998-01-23 | 2005-08-09 | Mayo Foundation For Medical Education And Research | System for two-dimensional and three-dimensional imaging of tubular structures in the human body |
EP1138331A3 (en) * | 2000-03-07 | 2003-02-05 | K.B.A.S. Pty Limited | Stool marker |
US6726896B2 (en) | 2000-03-07 | 2004-04-27 | Kevin Tait | Stool marker |
US7591998B2 (en) | 2000-03-07 | 2009-09-22 | Kevin Tait | Stool marker |
EP1138331A2 (en) * | 2000-03-07 | 2001-10-04 | K.B.A.S. Pty Limited | Stool marker |
WO2001069539A3 (en) * | 2000-03-10 | 2002-01-24 | Mayo Foundation | Colonography of an unprepared colon |
US6477401B1 (en) | 2000-03-10 | 2002-11-05 | Mayo Foundation For Medical Education And Research | Colonography of an unprepared colon |
US7620442B2 (en) | 2000-03-10 | 2009-11-17 | Mayo Foundation For Medical Education And Research | Colonography on an unprepared colon |
US8031921B2 (en) | 2005-02-14 | 2011-10-04 | Mayo Foundation For Medical Education And Research | Electronic stool subtraction in CT colonography |
EP2152166A4 (en) * | 2007-04-27 | 2014-09-17 | Pluromed Inc | Ultrasonography using time-and temperature-sensitive variable adhesion coupling gels |
EP2152166A1 (en) * | 2007-04-27 | 2010-02-17 | Pluromed, Inc. | Ultrasonography using time-and temperature-sensitive variable adhesion coupling gels |
US8961936B2 (en) | 2007-04-27 | 2015-02-24 | Genzyme Corporation | Ultrasonography using time- and temperature-sensitive variable adhesion coupling gels |
US11033640B2 (en) | 2013-03-15 | 2021-06-15 | The Regents Of The University Of California | Enteric CT contrast material based on low-z atoms |
WO2015024025A1 (en) | 2013-08-16 | 2015-02-19 | The Regents Of The University Of California | Silicone-based enteric ct contrast material |
EP3033012A4 (en) * | 2013-08-16 | 2017-04-19 | The Regents of the University of California | Silicone-based enteric ct contrast material |
US10111970B2 (en) | 2015-09-30 | 2018-10-30 | Duke University | Contrast agents for magnetic resonance imaging |
US10286089B2 (en) | 2015-09-30 | 2019-05-14 | Duke University | Ascorbate formulations and methods of use as contrast agents |
US10695447B2 (en) | 2015-09-30 | 2020-06-30 | Duke University | Contrast agents for magnetic resonance imaging |
US11083803B2 (en) | 2015-09-30 | 2021-08-10 | Duke University | Ascorbate formulations and methods of use as contrast agents |
US11235074B2 (en) | 2015-09-30 | 2022-02-01 | Duke University | Contrast agents for magnetic resonance imaging |
WO2020051437A1 (en) * | 2018-09-07 | 2020-03-12 | Moore Dental Technologies And Solutions Llc | Dental fracture detection compositions and methods |
Also Published As
Publication number | Publication date |
---|---|
CA2247041A1 (en) | 1997-08-28 |
JP2000504742A (en) | 2000-04-18 |
BR9710946A (en) | 2000-10-31 |
KR19990087196A (en) | 1999-12-15 |
EP0881916A2 (en) | 1998-12-09 |
NO983828D0 (en) | 1998-08-20 |
NO983828L (en) | 1998-10-15 |
WO1997030736A3 (en) | 1997-12-18 |
CN1215342A (en) | 1999-04-28 |
GB9603547D0 (en) | 1996-04-17 |
AU1885297A (en) | 1997-09-10 |
HUP9901323A2 (en) | 1999-08-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5593657A (en) | Barium salt formulations stabilized by non-ionic and anionic stabilizers | |
RU2124886C1 (en) | Particles including poorly dissolving crystalline therapeutic or diagnostic agent and method of their production | |
EP0881916A2 (en) | Contrast medium | |
JP6240610B2 (en) | Electrolytic laxative | |
WO1996020735A2 (en) | Oral gastrointestinal x-ray contrast agents in combination with surfactants | |
CN113499451B (en) | Encapsulated gas or partial vacuum CT contrast media | |
JPH10502341A (en) | Butylene oxide-ethylene oxide block copolymer surfactant as stabilizer coating for microcrystalline formulations | |
US5318768A (en) | Polymeric x-ray contrast compositions containing an organic crystalline x-ray contrast agent | |
EP1976520B1 (en) | Kit comprising an osmotic laxative and a stimulant laxative for preparing the colon for virtual colonoscopy | |
EP2968619B1 (en) | Enteric ct contrast material based on low-z atoms | |
US20200179539A1 (en) | Contrast Agents and Methods of Making the Same for Spectral CT That Exhibit Cloaking and Auto-Segmentation | |
EP1677677B1 (en) | Contrast media for use in medical and diagnostic procedures and methods of using the same | |
US5342605A (en) | Polymeric X-ray compositions containing iodinated polymeric beads | |
US5352434A (en) | X-ray contrast compositions containing a barium salt and film-forming materials | |
JP2009536624A (en) | Aqueous negative contrast agent for CT imaging of gastrointestinal tract and preparation method thereof | |
JPH0710778A (en) | X-ray contrast composition and x-ray contrast preparation | |
JPH0625016A (en) | X-ray contrasting composition containing film forming substance | |
Laerum et al. | Water-soluble contrast media compared with barium in enteric follow-through: local effects and radiographic efficacy in rats with simple obstruction of the small bowel | |
EP0746339A1 (en) | X-ray contrast compositions containing cellulose derivatives | |
Sireci | Clinical utility of barium sulfate products: Formulation determines appropriate use | |
EP0658121A1 (en) | Film-forming x-ray contrast compositions | |
JPH09510698A (en) | Oral magnetic particle formulation | |
McKee et al. | Barium sulfate products for roentgenographic examination of the gastrointestinal tract | |
JP2001525846A (en) | Contrast agent | |
US5543132A (en) | X-ray contrast compositions containing a barium salt and a cellulose derivative |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 97193663.3 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE HU IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK TJ TM TR TT UA UG US UZ VN YU AM AZ BY KG KZ MD RU TJ TM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): KE LS MW SD SZ UG AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
AK | Designated states |
Kind code of ref document: A3 Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE HU IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK TJ TM TR TT UA UG US UZ VN YU AM AZ BY KG KZ MD RU TJ TM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A3 Designated state(s): KE LS MW SD SZ UG AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF |
|
ENP | Entry into the national phase |
Ref document number: 2247041 Country of ref document: CA Ref document number: 2247041 Country of ref document: CA Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: PA/a/1998/006760 Country of ref document: MX Ref document number: 1997905227 Country of ref document: EP Ref document number: 1019980706591 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 1997905227 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 1019980706591 Country of ref document: KR |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1997905227 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1019980706591 Country of ref document: KR |