2017
DOI: 10.1016/j.xphs.2017.03.001
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Trends on Analytical Characterization of Polysorbates and Their Degradation Products in Biopharmaceutical Formulations

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Cited by 119 publications
(75 citation statements)
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“…Increased hydrophobicity of longer fatty acid (mono-oleate vs. mono-laureate) underlies the lower CMC of PS80 (13 μM or 0.001% w/v) when compared with PS20 (CMC = 55 μM or 0.006% w/v). Therapeutic protein formulations contain polysorbates in the range of 0.003%-0.8% w/v 1618 , for example, Humira (adalimumab) contains 0.1% w/v PS80 17 , Raptiva (efalizumab) contains 0.2% PS20 17 , and Tecentriq (atezolizumab) contains 0.8% w/v PS20 (https://www.accessdata.fda.gov/drugsatfda_docs/label/2016/761034s0001b1.pdf). Although the protection of protein biotherapeutics by polysorbates against interface-induced aggregation is well documented in literature 8–11 , the mechanism by which polysorbates interact with proteins is less understood.…”
Section: Introductionmentioning
confidence: 99%
“…Increased hydrophobicity of longer fatty acid (mono-oleate vs. mono-laureate) underlies the lower CMC of PS80 (13 μM or 0.001% w/v) when compared with PS20 (CMC = 55 μM or 0.006% w/v). Therapeutic protein formulations contain polysorbates in the range of 0.003%-0.8% w/v 1618 , for example, Humira (adalimumab) contains 0.1% w/v PS80 17 , Raptiva (efalizumab) contains 0.2% PS20 17 , and Tecentriq (atezolizumab) contains 0.8% w/v PS20 (https://www.accessdata.fda.gov/drugsatfda_docs/label/2016/761034s0001b1.pdf). Although the protection of protein biotherapeutics by polysorbates against interface-induced aggregation is well documented in literature 8–11 , the mechanism by which polysorbates interact with proteins is less understood.…”
Section: Introductionmentioning
confidence: 99%
“…For instance, qualitative and quantitative analysis of PS 20 and 80 and their degradation products by methods such as LC-CAD, LC-ELSD, and LC-MS has received major attention, because of the incidence of fatty-acid related particles (subvisible and visible particles) being formed in biological drug products due to enzymatic hydrolysis and oxidation. 44,49 In all fields of analysis, there is a shift toward miniaturization, reduction of analysis time per sample, and automation of sample preparation and analysis, by using autosamplers, plate readerebased systems, use of ultra-performance liquid chromatography instead of HPLC in the reversed-phase or size-exclusion mode, or capillary-based systems, such as capillary gel electrophoresisesodium dodecyl sulfate (CG-SDS), or capillary isoelectric focusing instead of classical gel electrophoresis. In 2016, a new protein-specific USP<787> chapter was introduced to allow light obscuration measurements using lower test volumes (1-5 mL in USP<787> instead of 25 mL as in USP<788>).…”
Section: New Analytical Approaches For Monitoring Protein Structure Amentioning
confidence: 99%
“…This is particularly significant when examining such aspects as degradation, a topic of extensive study in the biopharmaceutical industry, where polysorbates are used both for preventing surface adsorption and as stabilizers against protein aggregation. In this field numerous experiments have been published on how polysorbates can undergo autoxidation involving cleavage of the ethylene oxide (EO) subunits and hydrolysis of the fatty acid ester bond …”
Section: Introductionmentioning
confidence: 99%