Fluvoxamine maleate sustained release tablets and preparation method thereof
A technology of fluvoxamine maleate and sustained-release tablets, which is applied in the direction of pharmaceutical formulas, medical preparations of non-active ingredients, and devices that make drugs into special physical or ingestible forms, so as to achieve stable therapeutic effect and curative effect Definite effect with few side effects
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Embodiment 1
[0042] A fluvoxamine maleate sustained-release tablet and a preparation method thereof, which are made of fluvoxamine maleate, a sustained-release framework material, and a lubricant, wherein, in parts by weight, fluvoxamine maleate 50 parts, 50-150 parts of slow-release matrix material, 5-25 parts of lubricant.
[0043] According to the optimal parts by weight, 50 parts of fluvoxamine maleate, 125 parts of slow-release matrix material and 15 parts of lubricant.
[0044] The sustained-release matrix material is hypromellose.
[0045] The hypromellose is one or a mixture of 75hd100cr hypromellose, 75hd4000cr hypromellose, 75hd15000cr hypromellose, 100000cr hypromellose.
[0046] Described lubricant is magnesium stearate, talcum powder, silicon dioxide or a mixture of both.
Embodiment 2
[0048] A fluvoxamine maleate sustained-release tablet and a preparation method thereof, the specific steps of the preparation method are:
[0049] Step 1, material preparation: pulverize fluvoxamine maleate with a pulverizer, pass through a 100-mesh sieve, and set aside;
[0050] Step 2: Total mixing: according to parts by weight, weigh fluvoxamine maleate and hypromellose and put them in a three-dimensional mixer for 30 minutes, then take them out for later use;
[0051] Step 3: Granulation: Put the mixed fine powder of raw and auxiliary materials into the wet granulator, use pure water as the binder, put the binder into the liquid supply tank, turn on the machine, adjust the parameters, and start adding the moistening Wet agent, open the shearing flying knife at the same time, 2-5 minutes, discharge, use a swing granulator, granulate with a 20-mesh nylon screen, dry with a fluidized bed dryer, first dry with cool wind, wait After the skin is completely dry, turn on ...
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