Miconazole nitrate expandable vaginal suppository, and preparation method and detection method thereof
A technology of miconazole nitrate and vaginal expansive suppositories, applied in suppository delivery, measuring devices, pharmaceutical formulations, etc., can solve the problems of less absorption into the body, easy to pollute clothes, and difficult to clean, so as to prevent outflow and avoid secondary infection Effect
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Embodiment 1
[0099]
[0100] Preparation:
[0101] 1) Preparation of drug-containing matrix:
[0102] a. heating and melting the mixed fatty acid glycerides in a water bath to obtain a melt;
[0103] b. Add miconazole nitrate into step a under stirring, and mix uniformly to obtain a drug-containing matrix; 2) preparation of an expansion plug: pour the drug-containing matrix into a plug mold, insert a tampon, cool and shape, and make 100 A bullet-shaped suppository, each weighing about 3.7g.
Embodiment 2
[0105]
[0106] Preparation method: make 100 spherical suppositories according to the method in Example 1, each weighing about 3.2g.
Embodiment 3
[0108]
[0109] Preparation:
[0110] 1) Preparation of drug-containing matrix:
[0111] a. placing semi-synthetic fatty acid glycerides, fractionated palm oil and lanolin in a water bath for heating and melting to obtain a melt;
[0112] b. Place propylene glycol alginate in a mortar, slowly add miconazole nitrate under grinding, continue grinding for 0.5h, the rotation speed is 200rmp, take it out, and pass through a 100-mesh sieve to obtain a solid dispersion;
[0113] c. adding the solid dispersion to the melt in step a and mixing uniformly to obtain a drug-containing matrix;
[0114] 2) Preparation of expansive suppository: Pour the drug-containing matrix into a suppository mold, insert a cotton sliver, cool and characterize, and make 100 egg-shaped suppositories, each weighing about 1.6 g.
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