Research Article

Evaluation of Multiple Immunoassay Technology Platforms to Select the Anti-Drug Antibody Assay Exhibiting the Most Appropriate Drug and Target Tolerance

Table 1

Sample dilution factors according to the different methods (platforms and additional steps).

Technology usedELISAMSDGyrolabAlphaLISA
Acid dissociation stepNoYesNoYesNoYesNoYes
Target depletion stepNoYesNoYesNoYesNoYesNoYesNoYesNoYesNoYes

Dilution induced by the target depletion step1 in 31 in 31 in 31 in 31 in 31 in 31 in 31 in 3
Dilution induced by the acidification stepNA1 in 5NA1 in 5NA1 in 2NA1 in 5
Dilution induced by the neutralization step/Master Mix addition1 in 21 in 31 in 21 in 31 in 21 in 1.51 in 51 in 3
Final dilution applied before platform analysis1 in 61 in 451 in 61 in 451 in 61 in 91 in 151 in 45

Samples not target depleted were diluted at 1 in 3 in PBS-1% BSA 0.05% tween.