Sildenafil citrate sublingual tablet and preparation method thereof
A technology of sildenafil citrate and sublingual tablets, applied in the direction of non-active ingredient medical preparations, pharmaceutical formulas, medical preparations containing active ingredients, etc., can solve the problem of sildenafil citrate Sublingual film reports and other issues
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Embodiment 1
[0076] 1. The preparation prescription is: sildenafil citrate 250g, mannitol 750g, polyethylene glycol 4000 220g, microcrystalline cellulose 226g, low-substituted hydroxypropyl cellulose 35g, magnesium stearate 10g, aspartame 3g, menthol 4g, povidone K30 2g;
[0077] 2. Take 250g of sildenafil citrate and 750g of mannitol and fully grind and disperse together to obtain 1000g of drug-mannitol dispersion;
[0078] 3. Dissolve 2g of povidone K30 in 100ml of 90% ethanol solution to make 2% of 90% ethanol solution;
[0079] 4. Take menthol 4g and dissolve it in 2% 90% ethanol solution;
[0080] 5. According to the prescription, take the disintegrant, the remaining diluent, and aspartame, crush them together, sieve, and set aside;
[0081] 6. Fully mix the drug-mannitol dispersion with the powder in step 5, spray the ethanol solution in step 4, pass through a 20-mesh sieve to make granules, dry at 40°C-60°C, and granulate with a 16-mesh sieve;
[0082] 7. Add lubricant to the dry...
Embodiment 2
[0084] 1. The preparation prescription is: sildenafil citrate 250g, mannitol 750g, polyethylene glycol 4000 460g, microcrystalline cellulose 460g, croscarmellose sodium 58g, magnesium stearate 13g, menthol 6g, povidone K30 3g;
[0085] 2. Take 250g of sildenafil citrate and 750g of mannitol and fully grind and disperse together to obtain 1000g of drug-mannitol dispersion;
[0086] 3. Dissolve 3g of povidone K30 in 150ml of 90% ethanol solution to make 2% povidone K30 in 90% ethanol solution;
[0087] 4. Get menthol 6g, dissolve in 90% ethanol solution of 2% povidone K30;
[0088] 5. Take the disintegrating agent and the remaining diluent according to the prescription, pulverize together, sieve, and set aside;
[0089] 6. Fully mix the drug-mannitol dispersion with the powder in step 5, spray the ethanol solution in step 4, pass through a 20-mesh sieve to make granules, dry at 40°C-60°C, and granulate with a 16-mesh sieve;
[0090] 7. add lubricant to the dry granules, mix w...
Embodiment 3
[0092] 1. The preparation prescription is: sildenafil citrate 250g, mannitol 750g, polyethylene glycol 4000 100g, microcrystalline cellulose 100g, crospovidone 30g, magnesium lauryl sulfate 10g, aspartame 3g, menthol 4g, povidone K30 2g;
[0093] 2. Take 250g of sildenafil citrate and 750g of mannitol and fully grind and disperse together to obtain 1000g of drug-mannitol dispersion;
[0094] 3. Dissolve 3g of povidone K30 in 100ml of 90% ethanol solution to make 2% povidone K30 in 90% ethanol solution;
[0095] 4. Take menthol 4g and dissolve it in 2% 90% ethanol solution;
[0096] 5. According to the prescription, take the disintegrant, the remaining diluent, and aspartame, crush them together, sieve, and set aside;
[0097] 6. Fully mix the drug-mannitol dispersion with the powder in step 5, spray the ethanol solution in step 4, pass through a 20-mesh sieve to make granules, dry at 40°C-60°C, and granulate with a 16-mesh sieve;
[0098] 7. Add lubricant to the dry granule...
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