“Sofpironium bromide is a skin irritant but not a sensitizer.”
✓ VerifiedFDA multi-discipline review, p. 35Source ↗
Biodistribution & persistence
Rat: low placental transfer; drug or metabolites excreted into milk
“The transfer of 14C-sofpironium and/or its metabolites across the placental barrier is low during both organogenesis (12th day of pregnancy) and late (18th day) pregnancy. Sofpironium or its metabolites were transferred into the milk after a single subcutaneous administration of 0.5 mg/kg to lactating rats on postpartum Day 10.”
✓ VerifiedFDA multi-discipline review, p. 42Source ↗
Modality-specific risk
Local skin and ocular irritation of the topical gel
“Sofpironium bromide gel (20%) elicited ocular irritation based on the results of the Bovine Corneal Opacity and Permeability assay. Sofpironium bromide is a skin irritant but not a sensitizer.”
✓ VerifiedFDA multi-discipline review, p. 35Source ↗