Serial assessments were performed before and during treatment with bortezomib and dexamethasone for MM, and later with daunorubicin/cytarabine for AML. It demonstrates the earliest events in pDC-AML evolution. Furthermore, the immature immunophenotype raises the question of appropriate treatment, since a diagnosis of acute undifferentiated leukemia can be established.
TAR included an NK1 receptor antagonist, a 5-HT3 receptor antagonist (or fixed netupitant/palonosetron combination), and dexamethasone. There was a trend toward a longer median time to T-DXd dose reduction in the TAR group (15.7 vs. 3.9 months; P = 0.183). These findings suggest that upfront TAR may help maintain the dosing of T-DXd in patients with HER2-positive or HER2-low ABC.