Vigabatrin oral liquid preparation for children and preparation method thereof
An oral liquid of vigabatrin and the technology of vigabatrin acid, applied in the field of medicine, can solve the problems of poor taste, slow onset of action, difficult for children to accept, etc., and achieve the effects of easy and flexible dosage adjustment, suitable concentration and convenient taking.
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Embodiment 1
[0019] Table 1 The prescription of vigabatrin (5g / 100ml) oral liquid
[0020] ingredient
Dosage
effect
Vigabatrin
5g
Anti-epileptic drugs
30g
Sweetener
2g
Glue
0.01
Fragrance
0.05
Fragrance
Methyl paraben
0.1g
0.02g
20ml
water
To 100ml
[0021] Preparation Process:
[0022] (1) Take the prescription amount of methyl paraben and propyl paraben, add an appropriate amount of purified water at 70-90°C and stir for 20 minutes until dissolved.
[0023] (2) Add the prescribed amount of hydroxypropyl methyl cellulose to the above solution and mechanically stir for 30 minutes to dissolve.
[0024] (3) Add the prescribed amount of sucrose to the above solution and mechanically stir for 30 minutes to dissolve.
[0025] (4) Allow the above solution to cool to room temperature, add the prescribed amount of flavor and menthol, and mechanically stir for 10 m...
Embodiment 2
[0028] Table 2 Prescription of vigabatrin (5g / 100ml) oral liquid
[0029] ingredient
Dosage
effect
Vigabatrin
5g
Anti-epileptic drugs
25g
Sweetener
Sodium carboxymethyl cellulose
2g
Glue
0.01
Fragrance
0.05
Fragrance
Methyl paraben
0.1g
0.02g
preservative
20ml
water
To 100ml
Solvent
[0030] Preparation Process
[0031] (1) Take the prescription amount of methyl paraben and propyl paraben, add an appropriate amount of purified water at 70-90°C and stir for 20 minutes until dissolved.
[0032] (2) Add the prescribed amount of sodium carboxymethyl cellulose to the above solution and mechanically stir for 30 minutes to dissolve.
[0033] (3) Add the prescribed amount of mannitol to the above solution and stir mechanically for 20 minutes to dissolve.
[0034] (3) Allow the above solution to cool to room temperature, add the prescribed amount of flavor and menthol, and mechanically st...
Embodiment 3
[0037] Table 3 Prescription of vigabatrin (5g / 100ml) oral liquid
[0038]
[0039]
[0040] Preparation Process:
[0041] (1) Take the prescription amount of methyl paraben and propyl paraben, add an appropriate amount of purified water at 70-90°C and stir for 20 minutes until dissolved.
[0042] (2) Add the prescribed amount of methyl cellulose to the above solution and mechanically stir for 30 minutes to dissolve.
[0043] (3) Add the prescribed amount of maltitol to the above solution and mechanically stir for 30 minutes to dissolve.
[0044] (3) Allow the above solution to cool to room temperature, add the prescribed amount of flavor and menthol, and mechanically stir for 10 minutes to dissolve.
[0045] (4) Add propylene glycol to the above solution, stir for 10 minutes, dilute the purified water to the prescribed amount, filter with a 0.45 micron filter membrane, quality inspection, and package in glass bottles.
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