Table 1.

Efficacy of PI3K inhibitors in patients with r/r DLBCL

DrugTargetsnTreatmentORR, %Reference
Buparlisib Pan-class I PI3K 26 Monotherapy 11.5 93 
Copanlisib Pan-PI3K, with preferential inhibition of PI3Kα and PI3Kδ 15 Monotherapy 6.7 110 
Copanlisib Pan-PI3K, with preferential inhibition of PI3Kα and PI3Kδ 67 Monotherapy 19.4 (31.6 in ABC, 13.3 in GCB) 90 
CUDC-907 PI3Kα, β, and δ, histone deacetylase 37 Monotherapy or combined with rituximab 37 97 
Umbralisib PI3Kδ 26 Combined with ublituximab 23 102 
Parsaclisib PI3Kδ 60 Monotherapy 25.5 94 
DrugTargetsnTreatmentORR, %Reference
Buparlisib Pan-class I PI3K 26 Monotherapy 11.5 93 
Copanlisib Pan-PI3K, with preferential inhibition of PI3Kα and PI3Kδ 15 Monotherapy 6.7 110 
Copanlisib Pan-PI3K, with preferential inhibition of PI3Kα and PI3Kδ 67 Monotherapy 19.4 (31.6 in ABC, 13.3 in GCB) 90 
CUDC-907 PI3Kα, β, and δ, histone deacetylase 37 Monotherapy or combined with rituximab 37 97 
Umbralisib PI3Kδ 26 Combined with ublituximab 23 102 
Parsaclisib PI3Kδ 60 Monotherapy 25.5 94