Despite previous failure of PDE10A inhibitor drugs to demonstrate antipsychotic effects in clinical trials, a new "improved" iteration has met phase 2 trial endpoints.
A case report and review of 13 similar cases suggest that late-onset clozapine neutropenia may sometimes reflect neutrophil margination rather than marrow suppression, with corticosteroids, granulocyte colony-stimulating factor, or lithium as possible, carefully monitored paths to continuing treatment.