Entecavir dispersible tablet and its preparation process
A technology of entecavir and dispersible tablets, which is applied in the field of entecavir dispersible tablets for the treatment of hepatitis B and its preparation, and can solve the problems that many pharmaceutical factories, government departments, scientific research institutes and other institutions are conducting research work on the drug
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Embodiment 1
[0023] prescription:
[0024] Entecavir 0.5g
[0025] Mannitol 25g
[0026] Microcrystalline Cellulose 137.5g
[0027] Croscarmell Starch Sodium 19g
[0028] Cross-linked polyvinylpyrrolidone 8g
[0029] Starch slurry 7g (calculated as starch)
[0030] Magnesium Stearate 3g
[0031] A total of 1000 pieces were made
[0032] Preparation:
[0033] First, the above-mentioned materials were crushed through a 100-mesh sieve, and after entecavir, mannitol, and microcrystalline cellulose were fully mixed, an appropriate amount of starch slurry was added to make a soft material, granulated with a 16-mesh sieve, and dried at 60°C for 3-4 hours. Hours later, the granules were sized through a 16-mesh sieve, and disintegrants cross-linked carboxymethyl starch sodium, cross-linked polyvinylpyrrolidone and lubricant magnesium stearate were added, mixed evenly, and compressed into e...
Embodiment 2
[0035] prescription:
[0036] Entecavir 0.25g
[0037] Mannitol 36g
[0038] Microcrystalline Cellulose 45g
[0039] Cross-linked sodium carboxymethyl starch 6g
[0040] Aspartame 3.6g
[0041] Lemon essence 1.2g
[0042] Talc powder 1.8g
[0043] Starch slurry 6g (calculated as starch)
[0044] A total of 1000 pieces were made
[0045] Preparation:
[0046]First, the above materials were crushed through a 100-mesh sieve, and entecavir, mannitol, and microcrystalline cellulose were fully mixed, and then an appropriate amount of starch slurry was added to make a soft material, granulated with a 16-mesh sieve, and dried at 80°C for 3 hours. , 16-mesh sieve, add disintegrant cross-linked carboxymethyl starch sodium, flavoring agent aspartame, lemon essence, lubricant talcum powder, after mixing, press into entecavir dispersible tablets.
Embodiment 3
[0048] prescription:
[0049] Entecavir 2g
[0050] Xylitol 40g
[0051] Microcrystalline Cellulose 42g
[0052] Cross-linked polyvinylpyrrolidone 12g
[0053] L-HPC 6g
[0054] Polyvinylpyrrolidone 50% alcohol solution 1.8g (calculated as polyvinylpyrrolidone)
[0055] Stevioside 2.5g
[0056] Cherry essence 2.5g
[0057] PEG6000 1.5g
[0058] A total of 1000 pieces were made
[0059] Preparation:
[0060] First, the above-mentioned materials are respectively crushed through a 100-mesh sieve, and after entecavir, xylitol, and microcrystalline cellulose are fully mixed, an appropriate amount of polyvinylpyrrolidone 50% ethanol solution is added to make a soft material, granulated with a 24-mesh sieve, 60 After drying at ℃ for 2-3 hours, sieve the granule with 20 mesh, add disintegrating agent cross-linked polyvinylpyrrolidone, L-HPC, flavor...
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