Probenecid slow release capsule and preparation method thereof
A technology of sustained-release capsules and probenecid, applied in the field of medicine, can solve the problems of inconvenience in taking, poor patient compliance, reduced efficacy and the like, and achieve the effects of fast drug application, increased compliance and simple formula
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Embodiment 1
[0032] A probenecid slow-release capsule, the components and parts by weight of the slow-release capsule include:
[0033] 45 parts of probenecid, 32 parts of sodium bicarbonate, 45 parts of sucrose pills, 4 parts of ethyl cellulose, 0.8 parts of castor oil, 0.2 parts of hypromellose, 4 parts of talc, 4 parts of microcrystalline cellulose, hydroxy 5 parts of propyl methylcellulose.
[0034] A preparation method of probenecid sustained-release capsules, the specific steps comprising:
[0035] 1) Prepare materials: prepare materials according to the components and parts by weight of a probenecid sustained-release capsule, wherein sodium bicarbonate and talcum powder are respectively pulverized through a 100-mesh sieve;
[0036] 2) preparation of probenecid drug-containing pellets: adopting the spraying process at the bottom of the fluidized bed, dissolving probenecid in alcohol with a mass concentration of 95% to prepare a saturated solution of probenecid, obtaining drug-contai...
Embodiment 2
[0043] A probenecid slow-release capsule, the components and parts by weight of the slow-release capsule include:
[0044] 40 parts of probenecid, 30 parts of sodium bicarbonate, 40 parts of microcrystalline cellulose pellets, 3 parts of polyacrylic acid resin, 0.5 parts of glyceride, 0.1 part of polyethylene glycol, 3 parts of talcum powder, 3 parts of microcrystalline cellulose, hydroxyl 3 parts of propyl cellulose.
[0045] A preparation method of probenecid sustained-release capsules, the specific steps comprising:
[0046] 1) Prepare materials: prepare materials according to the components and parts by weight of a probenecid sustained-release capsule, wherein sodium bicarbonate and talcum powder are respectively pulverized through a 100-mesh sieve;
[0047] 2) preparation of probenecid drug-containing pellets: adopting the spraying process at the bottom of the fluidized bed, dissolving probenecid in alcohol with a mass concentration of 100% to prepare a saturated solutio...
Embodiment 3
[0054] A probenecid slow-release capsule, the components and parts by weight of the slow-release capsule include:
[0055] 50 parts of probenecid, 35 parts of sodium bicarbonate, 50 parts of starch pellets, 5 parts of polyethylene, 1.0 parts of succinate, 0.3 parts of polyethylene glycol, 5 parts of talc, 5 parts of microcrystalline cellulose, hydroxypropyl 6 parts of methylcellulose.
[0056] A preparation method of probenecid sustained-release capsules, the specific steps comprising:
[0057] 1) Material preparation: prepare materials according to the components and parts by weight of a probenecid sustained-release capsule, wherein sodium bicarbonate is pulverized through a 100-mesh sieve, wherein sodium bicarbonate and talcum powder are pulverized through a 100-mesh sieve respectively;
[0058] 2) Preparation of probenecid drug-containing pellets: adopting the spraying process at the bottom of the fluidized bed, dissolving probenecid in alcohol with a mass concentration of...
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