| 摘要 |
This invention provides carrier systems useful in preparing pharmaceutical formulations, the systems comprising, by weight percentage, from about 1% to about 20%, preferably from about 5% to about 12%, of a surfactant component; from about 55% to about 93%, preferably from about 60% to about 85%, of a component of one or more polyethylene glycols (PEG); and from about 1% to about 25%, preferably from about 5% to about 15%, of one or more sucrose fatty acid esters or polyvinylpyrrolidone (PVP) with a K value between about 15 and about 90, preferably with a K value of from about 16 to about 18, most preferably about 17, as defined in USP/NF, or a combination of one or more sucrose fatty acid esters or PVP, and, optionally, one or more pharmaceutically acceptable preservatives or antioxidants, such as BHA, BHT, ascorbyl palmitate or benzyl alcohol.
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