Olmesartan medoxomil amlodipine tablet and preparation method thereof
A technology of amlodipine ester amlodipine tablets and olmesartan medoxomil, applied in the field of medicine, can solve the problems of affecting drug dissolution and stability, reducing drug bioavailability, increasing drug cost, etc., achieving good clinical application prospects and compatibility The effect of reducing problems and dispersing quickly
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[0031] Example 1
[0032] An olmesartan medoxomil and amlodipine tablet, its prescription contains the following components by weight: 40 parts of olmesartan medoxomil, 10 parts of amlodipine besylate, 60 parts of silicified microcrystalline cellulose, and 30 parts of pregelatinized starch Parts, 4 parts of croscarmellose sodium, 30 parts of calcium hydrogen phosphate, 4 parts of sodium carboxymethyl starch, 1 part of magnesium stearate, 0.5 part of titanium dioxide, 0.5 part of talc, 4 parts of coating premix .
[0033] The preparation method of olmesartan medoxomil and amlodipine tablets includes the following steps:
[0034] (1) Take olmesartan medoxomil and amlodipine besylate and crush them through a 100-mesh sieve for use;
[0035] (2) The olmesartan medoxomil powder, silicified microcrystalline cellulose, pregelatinized starch, and croscarmellose sodium are sent to the mixer for thorough mixing, and then sent to the mixer with magnesium stearate and titanium dioxide The total...
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[0039] Example 2
[0040] An olmesartan medoxomil and amlodipine tablet, its prescription contains the following components by weight: 50 parts of olmesartan medoxomil, 12 parts of amlodipine besylate, 65 parts of silicified microcrystalline cellulose, and 30 parts of pregelatinized starch Parts, 5 parts of croscarmellose sodium, 30 parts of calcium hydrogen phosphate, 5 parts of sodium carboxymethyl starch, 2 parts of magnesium stearate, 0.6 parts of titanium dioxide, 0.6 parts of talcum powder, 5 parts of coating premix .
[0041] The preparation method of olmesartan medoxomil and amlodipine tablets includes the following steps:
[0042] (1) Take olmesartan medoxomil and amlodipine besylate and crush them through a 100-mesh sieve for use;
[0043] (2) The olmesartan medoxomil powder, silicified microcrystalline cellulose, pregelatinized starch, and croscarmellose sodium are sent to the mixer for thorough mixing, and then sent to the mixer with magnesium stearate and titanium dioxid...
Example Embodiment
[0047] Example 3
[0048] Dissolution test
[0049] In the same time, the average dissolution rate of olmesartan medoxomil and amlodipine tablets of the present invention and ordinary direct compression olmesartan medoxomil and amlodipine tablets were investigated under the conditions of light, high temperature and high humidity, as shown in Table 1 below Shown:
[0050] Table 1 Dissolution determination
[0051]
[0052] It can be seen from the above table that the olmesartan medoxomil and amlodipine tablets of the present invention have better dissolution rates under different conditions than ordinary direct compression olmesartan medoxomil and amlodipine tablets. It can be seen that the preparation process is more It helps to ensure the effectiveness of the tablet.
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