Otlertuzumab, a CD37-specific monoclonal antibody, demonstrated promising anti-tumor activity in preclinical models
In this phase 1b trial, otlertuzumab in combination with rituximab in previously untreated CLL patients showed that combination was safe and well-tolerable
Most serious adverse events included neutropenia, pneumonia, systemic inflammatory response, and deep vein thrombosis
Preliminary analysis of clinical efficacy data indicated an ORR of 88%