Reversible melanin binding (eye choroid); highest accumulation in eye lens and adrenal medulla
“In pigmented rats, radioactivity was reversibly distributed into the melanin containing structures such eye choroid. The highest accumulation was observed in eye (lens) and adrenal (medulla).”
✓ VerifiedFDA multi-discipline review, p. 46Source ↗
Modality-specific risk
Brain white matter vacuolation in rats at >=2.2x human AUC
“In rats, capmatinib administration resulted in vacuolation of white matter of the brain in both 4- and 13-week studies at doses ≥2.2 times the human exposure (AUC) at the 400 mg twice daily clinical dose.”
✓ VerifiedFDA multi-discipline review, p. 32Source ↗