Self-emulsifying system composition of 10-hydroxycamptothecine as well as preparation method and applications of self-emulsifying system composition
A hydroxycamptothecin and self-emulsifying technology, which can be used in pharmaceutical combinations, medical preparations with inactive ingredients, and medical preparations containing active ingredients, etc. Activity and other issues to achieve the effect of improving bioavailability, improving stability, and optimizing drug dissolution and release
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Embodiment 1
[0030] Dissolve 2g of 10-hydroxycamptothecin in 700ml of 1,2-propanediol, and disperse evenly by ultrasonic, add 400mL of TPGS and 300mL of polyoxyethylene castor oil to mix and disperse evenly by ultrasonic, then add 500mL of ethyl oleate, and mix well Then place it in a constant temperature water-bath shaker at 37°C until a transparent uniform solution is formed to obtain a self-emulsifying system composition of 10-hydroxycamptothecin.
Embodiment 2
[0032] Dissolve 1g of 10-hydroxycamptothecin in 900mL of polyethylene glycol-400, and disperse evenly by ultrasonic; After uniformity, place in a constant temperature water bath shaker at 37°C until a transparent uniform solution is formed to obtain a self-emulsifying system composition of 10-hydroxycamptothecin.
Embodiment 3
[0034] Dissolve 2g of 10-hydroxycamptothecin in 500mL of glycerin, and disperse evenly by ultrasonic, add 500mL of TPGS and 600mL of polyoxyethylene castor oil to mix and disperse evenly by ultrasonic, then add 300mL of isopropyl myristate, and mix well Place in a constant temperature water bath shaker at 37°C until a transparent uniform solution is formed to obtain a self-emulsifying system composition of 10-hydroxycamptothecin.
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