2020
DOI: 10.1208/s12248-019-0400-4
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Criteria to Reevaluate Anti-drug Antibody Assay Cut Point Suitability in the Target Population

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Cited by 5 publications
(4 citation statements)
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“…The CP of 8 out of 10 data sets were within 2–11% ( 3 , 10 ) with the Weibull transformation, whereas only 5 were in that range with the decision tree-based CP approach. A recent publication highlighted that the false positive rate is related to the number of samples included in the CP calculation ( 11 ). Therefore the expected false positive rate for 100 data points for data set 10 should rather be between 2 and 9%.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The CP of 8 out of 10 data sets were within 2–11% ( 3 , 10 ) with the Weibull transformation, whereas only 5 were in that range with the decision tree-based CP approach. A recent publication highlighted that the false positive rate is related to the number of samples included in the CP calculation ( 11 ). Therefore the expected false positive rate for 100 data points for data set 10 should rather be between 2 and 9%.…”
Section: Discussionmentioning
confidence: 99%
“…However, the more data that is excluded (assuming these were not caused by pre-existing ADA (pADA)), the greater the risk of observing an artificially high false positive rate ( 6 ) in the study samples because the recommended 5% false positive rate ( 2 ) is calculated based on the remaining data points. This could make an in-study CP necessary ( 3 , 10 , 11 ) which is not considered optimal, as it could slow down data reporting although it is however scientifically sound. The impact of the in-study cut point has to be fully assessed before implementation ( 4 ) taking challenges into account that in some rare disease clinical trials, only a limited number of patient are enrolled.…”
Section: Introductionmentioning
confidence: 99%
“…An in-study cut point may be needed, if the putative positive rate among the pre-dose samples for the patient population being evaluated is outside of the expected false positive rate, which is usually preferred to be within 2-11% range (5,11,12), after the exclusion of confirmed positive samples. It should be noted that a reasonable size population is needed to reliably assess the false positive rate.…”
Section: In-study Cut Pointsmentioning
confidence: 99%
“…Consultation with a statistician is advised. Additionally, alternative ranges may be set and justified based on the variability and other characteristics of the data on a case by case basis (12). The pre-dose sample results for the current patient population can be compared to those from the pre-study validation (healthy human), or from a previously evaluated disease, using similar methods as described previously for the validation and analysis of clinical subpopulations.…”
Section: In-study Cut Pointsmentioning
confidence: 99%