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caoxu1988木蟲 (正式寫手)
我欲乘風(fēng)歸去!
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[求助]
關(guān)于滴眼液(混懸)的原輔料相容性怎么做? 已有3人參與
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關(guān)于滴眼液(混懸)的原輔料相容性怎么做? 有沒具體做過的前輩,談?wù)劷?jīng)驗(yàn)? 高濕的條件要不要做? 另外是原料藥與輔料在水中混一起,放置10天;還是原料藥分別跟每個(gè)輔料在水中放置10天? ![]() 具體做過的前輩來談?wù)勀兀? |

木蟲 (職業(yè)作家)
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凡是液體制劑,原輔料相容性不適用,建議看下文Formulation-supporting studies. In finalizing the formulation, a number of supporting studies are needed to address the biological or patient-related issues, support the manufacturing process, and define the boundaries under which the product’s qualities will be maintained throughout the shelf life of the product. 1. Biological considerations: a. Evaluation of impact of formulation toward hemolysis, precipitation, phlebitis, and pain on injection b. Tonicity 2. Manufacturing and handling support studies: a. Compatibility with commonly used diluents and IV administration sets, etc. b. Compatibility with manufacturing equipment c. Compatibility with membrane filters, if aseptic processing is used during the manufacture d. “In-use” stability studies e. Feasibility of terminal sterilization f. Photostability |
專家顧問 (職業(yè)作家)

木蟲 (正式寫手)
我欲乘風(fēng)歸去!

| 應(yīng)該說除了高濕不用做,其他跟普通制劑原輔料相容性做法一致。這里肯定需要做原料與單個(gè)輔料的相容性,而不是做全部輔料跟原料混合。雖然最近審評(píng)中心也說該做多個(gè)輔料跟原料混合的相容性,但是怎么排除哪些輔料不可用貌似這么做有點(diǎn)難。只能說單個(gè)輔料,單個(gè)輔料加原料,還有多個(gè)活性成分的原料一起(不用輔料)做相容性,考察哪些輔料不可用,哪些輔料慎用,哪些輔料可用,再做處方工藝研究。 |
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