Sodium menadiol diphosphate ester and its pharmaceutical formulation
The technology of sodium menadione diphosphate and sodium naphthoquinone diphosphate is applied in the field of sodium menadione diphosphate lyophilizer and its preparation, and can solve the problem of poor chemical stability, difficult long-term storage of preparations, etc. question
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Embodiment 1
[0028] Embodiment 1: Menahydroquinone Diphosphate Sodium Freeze-dried Agent of 5mg Specification
[0029] Menahydroquinone diphosphate sodium 5g, sodium thiosulfate 3g, mannitol 80g, water for injection was added to 1500ml. Measure 80% of the prepared water for injection in the batching tank, then weigh the prescribed amount of menadione hydroquinone diphosphate sodium, slowly add it to the batching tank, stir while adding to dissolve, then add the prescribed amount of thiosulfate Sodium sulfate and mannitol, stir to dissolve, adjust the pH to 8.0 with 1mol / L sodium hydroxide, add water for injection to 1500ml, stir well, add 2g of needles and use activated carbon to absorb at 60°C for 30 minutes, and decarbonize by suction filtration. Then fine filter with 0.22μm microporous membrane, measure the intermediate content and pH value, fill in 2ml control bottles after passing the test, each bottle is 1.5ml, put it into a plate, send the sample into the freeze dryer, pre-freeze, a...
Embodiment 2
[0030] Embodiment 2: lyophilized agent of sodium menadione hydroquinone diphosphate of 10 mg specification
[0031] Menahydroquinone diphosphate sodium 10g, sodium thiosulfate 3g, mannitol 75g, water for injection was added to 1500ml. The preparation was prepared according to the same method as described in Example 1, and a lyophilized preparation of menahydroquinone diphosphate sodium with a specification of 10 mg was obtained.
Embodiment 3
[0033] 3a) except that it does not contain sodium thiosulfate, all the other are the same as in Example 1, and are prepared into a freeze-dried agent;
[0034] 3b) Except replacing the sodium thiosulfate wherein with an equivalent amount of sodium bisulfite, the rest are the same as in Example 1 to prepare a freeze-dried agent;
[0035] Carry out strong light irradiation and high temperature stability test, result does not contain the 3a preparation of stabilizer, obvious phenomena such as discoloration occur, illustrate that menadione hydroquinone diphosphate sodium is oxidatively degraded, and preparation stability is poor. The 3b preparation containing sodium bisulfite also showed discoloration, and the content of sodium menahydroquinone diphosphate decreased. However, the preparation of Example 1 of the present invention using sodium thiosulfate as a stabilizer has basically no discoloration phenomenon, and the content of sodium menadione hydroquinone diphosphate has basic...
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