Reliable Osmolality Testing of High Concentration mAb Formulations | Advanced instruments
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Reliable Osmolality Testing of High Concentration mAb Formulations

Reliable Osmolality Testing of High Concentration mAb Formulations

Osmolality testing has several unique and essential applications throughout bioprocessing, and new use cases are constantly emerging. As the field of biologics manufacturing matures, osmometers and other analytical devices must keep up and even offer new options to remain valuable. The osmolality of monoclonal antibody (mAb) formulations is typically determined using freezing point depression or vapor pressure osmometers. The wider use of subcutaneous injections; an injection that requires less volume but increased concentration to alleviate patient pain and increase patient compliance has led to a trend in increasing mAb concentrations. This higher concentration, however, can pose analytical issues. Due to much higher viscosities being seen in drug formulations; it is critical to have an instrument that will measure concentration with optimal performance. Although freezing point depression osmometers are the gold standard osmometry method, the previously mentioned higher viscosity samples may signify an issue for older technologies. This would have meant the “go-to” method may have been vapor pressure, even though from a usability and data integrity standpoint, this was not preferred. In response to this, Advanced Instruments has developed a new, intelligent freezing point depression technology that is aimed specifically at these hard to measure drug products.

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Reliable Osmolality Testing of High Concentration mAb Formulations

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