Immune-mediated hepatitis and colitis with anti–PD-1 therapy
We describe a 64-year-old man with NSCLC on an anti–PD-1 antibody who developed Grade 3 immune-mediated hepatitis and immune-mediated colitis twelve days after cycle 4. Both improved off-drug and on corticosteroids.
Patient 1 (pneumonitis, no descriptor) and Patient 3 (thyroiditis) are reported separately.
Pt: J▪▪, M, 64yo, 78kg · initials masked
Suspect: anti–PD-1 (TEZOLIMAB) 200mg
Lot B4lO72S · last chars unclear
Gr3 hepatitis + colitis, admitted 4 days. d/c drug, improving.
Caller: He started throwing up, then his eyes went yellow.
Caller: They admitted him for a few days, said something about his liver.
Six criteria, at event level. Two apply; click a ticked one to see it on the source.
Matches existing report US-PREMISE-2026-000492 on age, sex, country, drug, reactions, onset. Brand and batch are absent, so identity is not confirmed. Initials masked, not used as a key.