Factors affecting reduction of reference endotoxin standard activity caused by chelating agent/detergent matrices: Kinetic analysis of low endotoxin recovery
M Tsuchiya - PDA Journal of Pharmaceutical Science and …, 2017 - journal.pda.org
Reduction of reference standard endotoxin activity was kinetically analyzed under low
endotoxin recovery conditions and was considered as an apparent first-order reaction …
endotoxin recovery conditions and was considered as an apparent first-order reaction …
Sample treatments that solve Low Endotoxin Recovery issues
M Tsuchiya - PDA Journal of Pharmaceutical Science and …, 2019 - journal.pda.org
Dilution of samples with water (water dilution method) was not appropriate for measuring the
endotoxin activity in solutions containing chelating agents and detergents—typical …
endotoxin activity in solutions containing chelating agents and detergents—typical …
[HTML][HTML] Low endotoxin recovery—Masking of naturally occurring endotoxin
J Reich, FA Weyer, H Tamura, I Nagaoka… - International journal of …, 2019 - mdpi.com
Endotoxins are cell wall components of Gram-negative bacteria. A release of endotoxins into
the human blood stream results in an inflammation reaction that can lead to life-threatening …
the human blood stream results in an inflammation reaction that can lead to life-threatening …
[HTML][HTML] Investigation of the kinetics and mechanism of low endotoxin recovery in a matrix for biopharmaceutical drug products
J Reich, H Tamura, I Nagaoka, H Motschmann - Biologicals, 2018 - Elsevier
The inability to detect endotoxin added to undiluted drug samples has been called: Low
Endotoxin Recovery (LER). The phenomenon has caused concerns amongst drug …
Endotoxin Recovery (LER). The phenomenon has caused concerns amongst drug …
[PDF][PDF] Endotoxin Standards and Their Role in Recovery Studies: The Path Forward
KZ McCullough, R Tirumalai, D Hussong, J Akers… - BioPharma Asia, 2016 - criver.com
The initial studies of the “LER” phenomenon describe a sudden and irreversible loss of
“endotoxin activity” when Control Standard Endotoxin (CSE), in the form of chemically …
“endotoxin activity” when Control Standard Endotoxin (CSE), in the form of chemically …
[HTML][HTML] The impact of endotoxin masking on the removal of endotoxin during manufacturing of a biopharmaceutical drug product
M Wespel, M Geiss, M Nägele, S Combé… - … of Chromatography A, 2022 - Elsevier
Endotoxins are a highly pyrogenic and immunogenic contaminant of bacterial origin that
must be avoided during the manufacturing of biopharmaceutical products to ensure safety …
must be avoided during the manufacturing of biopharmaceutical products to ensure safety …
Endotoxin removal from a small-molecule aqueous drug substance using ultrafiltration: a case study
N de Mas, DC Kientzler… - Organic Process Research …, 2015 - ACS Publications
Endotoxin must be controlled in the manufacturing of parenteral drug products to prevent
adverse reactions in patients. Endotoxin contamination may arise in the manufacturing of …
adverse reactions in patients. Endotoxin contamination may arise in the manufacturing of …
[PDF][PDF] Mechanism of low endotoxin recovery caused by a solution containing a chelating agent and a detergent
M Tsuchiya - Immunome Res, 2019 - criver.com
ABSTRACT Mechanism of Low Endotoxin Recovery (LER) was investigated by observing
the change in particle sizes and activity of endotoxin in LER solutions containing sodium …
the change in particle sizes and activity of endotoxin in LER solutions containing sodium …
Methods of endotoxin removal from biological preparations: a review
PURPOSE: Endotoxins, also called lipopolysaccharides (LPS), are major contaminants
found in commercially available proteins or biologically active substances, which often …
found in commercially available proteins or biologically active substances, which often …
Evidence against a bacterial endotoxin masking effect in biologic drug products by limulus amebocyte lysate detection
JS Bolden, ME Claerbout, MK Miner… - PDA Journal of …, 2014 - journal.pda.org
The inability to detect endotoxin using compendia methods is a potential safety concern for
patients due to the lack of endotoxin removal capabilities at the fill–finish stage in typical …
patients due to the lack of endotoxin removal capabilities at the fill–finish stage in typical …