No effect on hematology, immunophenotyping, TDAR, immune tissue histopathology or T/B-cell distribution in monkeys or offspring
“Guselkumab treatment had no effect on hematology, immunophenotyping, TDAR to KLH, histopathology of immune tissues, or T- and B-cell distribution in monkeys or their offspring.”
Transplacental transfer to infants; milk below quantifiable concentration
“Guselkumab exposure in infants was likely a result of transplacental distribution, as milk samples were below the lowest quantifiable concentration for guselkumab.”
✓ VerifiedFDA multi-discipline review, p. 71Source ↗
Modality-specific risk
Infection risk: IL-23 contributes to immunity against bacterial and fungal pathogens
“IL-23 may contribute to immunity for a variety of bacterial and fungal pathogens, as assessed in animal models of these infections which has been reported in literature.”
In vitro whole-blood cytokine release far below alemtuzumab/TGN1412 controls; no effects on monkey TDAR, lymphocyte subsets or serum cytokines; ADA in some monkeys