Inflammation and/or suppression in bone marrow, spleen, thymus and lymph nodes
“The effects in the hemolymphoid system included inflammation and/or suppressive effects in the bone marrow, spleen, thymus, or lymph nodes.”
✓ VerifiedFDA multi-discipline review, p. 38Source ↗
Biodistribution & persistence
Distribution to hair and eyes of pigmented rats; melanin binding
“Nonclinical ADME studies indicated distribution of radioactivity to hair and eyes of pigmented rats, thus alpelisib and/or its metabolites can bind melanin.”
✓ VerifiedFDA multi-discipline review, p. 38Source ↗
Modality-specific risk
On-target hyperglycemia and hyperinsulinemia with pancreatic endocrine changes
“Administration of alpelisib to rats and dogs increased blood insulin and glucose levels, which correlated with histopathologic changes in the pancreas (vacuolation or hyperplasia of endocrine cells).”
✓ VerifiedFDA multi-discipline review, p. 38Source ↗
Anti-drug antibodies: animals
Not stated in public reviews
Not reported in the public reviews. Reviewers summarise selectively, so this usually means it wasn't discussed publicly, not that it wasn't studied.
Anti-drug antibodies: patients
Not assessed; not expected
“Immunogenicity The Applicant’s Position: Not applicable as this was not assessed nor expected. The FDA’s Assessment: The FDA agrees with the applicant’s assessment.”
✓ VerifiedFDA multi-discipline review, p. 147Source ↗