Patent AU-2004283011-B2 (AU)
Title: Pharmaceutical composition comprising oxoplatin, the salts and derivatives thereof
Inventor: SALAMA ZOZER B
IPC: A61K9/48
Filed: 2004-10-13
Granted: 2009-12-10
Abstract: Producing a pharmaceutical product containing cis-diammoniumdichlorotransdihydroxoplatinum(IV) (oxoplatin), where the composition is a tablet, capsule, coated tablet, suppository, ointment, cream, injection solution or infusion solution of defined composition, comprises preparing an oxoplatin-free base product and incorporating oxoplatin in the base product before pharmaceutical use. Producing a pharmaceutical product containing cis-diammoniumdichlorotransdihydroxoplatinum(IV) (oxoplatin), where the composition is a tablet, capsule, coated tablet, suppository, ointment, cream, injection solution or infusion solution as defined below, comprises preparing an oxoplatin-free base product and incorporating oxoplatin in the base product before pharmaceutical use: capsule comprising oxoplatin : silica : mannitol or magnesium stearate in a ratio of 0.1-10 : 0.1-10 : 0.1-10, tablet comprising cis-oxoplatin : lactose : corn starch : sodium carboxymethyl starch : calcium hydrogen phosphate dihydrate : cellulose powder : magnesium stearate in a ratio of 10-500 : 20-150 : 1-10 : 1-10 : 1-10 : 1-10 : 0.1-7, or cis-oxoplatin : silica : magnesium stearate in a ratio of 0.1-10 : 0.1-10 : 0.1-10, cream comprising cis-oxoplatin : benzyl alcohol : cetylstearyl alcohol : macrogol stearate 1000 : isopropyl palmitate : glycerol : sorbitol solution 70 % : water in a ratio of 0.2-8 : 0.1-7 : 1-10 : 0.1-7: 0.1-7 : 0.2-8 : 0.2-8 : 20-60, ointment comprising cis-oxoplatin : propylene glycol : macrogol stearate 1000 : cetylstearyl alcohol : petrolatum in a ratio of 2-20 : 5-40 : 0.1-7 : 1-10 : 25-400, gel comprising cis-oxoplatin : hydroxyethyl cellulose : chloroaerosol : sodium hydroxide : sodium hydrogen phosphate dihydrate : water in a ratio of 2-20 : 100-600 : 5-40 : 0.1-7 : 20-60 : 3000-50000, suppository comprising cis-oxoplatin : silica : hard fat in a ratio of 0.1-10 : 0.1-10 : 30-300, or cis-oxoplatin : lactose : corn starch : adipic acid : sodium hydrogen carbonate : stearic acid : magnesium stearate : silica : polysorbate 80 in a ratio of 10-100 : 700-4000 : 200-600 : 10-1000 : 10-1000 : 1-100 : 1-100 : 1-15 : 0.1-10, or cis-oxoplatin : lactose : corn starch : adipic acid : sodium hydrogen carbonate : stearic acid : magnesium stearate : silica : polysorbate 80 in a ratio of 10-100 : 1000-5000 : 300-1000 : 10-1000 : 10-1000 : 1-100 : 1-100 : 1-15 : 0.1-7, or cis-oxoplatin : lactose : corn starch : adipic acid : sodium hydrogen carbonate : stearic acid : magnesium stearate : silica : polysorbate 80 in a ratio of 10-1000 : 1500-5000 : 300-1000: 10-1000 : 10-1000: 1-100 : 1-100: 1-15 : 0.1-7, injection or infusion solution comprising cis-oxoplatin : benzyl alcohol : polysorbate 80 : sorbitol solution 70 % : water in a ratio of 0.2-8 : 1-10 : 0.1-7 : 100-800 : 100-400, or cis-oxoplatin : mannitol : water in a ratio of 0.1-7 : 5-40 : 1-10. An independent claim is also included for a pharmaceutical product as above. ACTIVITY : Cytostatic. cis-Oxoplatin had an IC50 of 3 mu g/ml against T47D breast cancer cells. MECHANISM OF ACTION : None given.