Pharmaceutical The US Food and Drug Administration (FDA) has approved Dutch biopharma firm Pharming’s supplemental New Drug Application (sNDA) for Joenja (leniolisib), an oral, selective phosphoinositide 3-kinase delta (PI3Kδ) inhibitor, as a treatment for children aged 4 to 11 years weighing at least 27 kg with activated phosphoinositide 3-kinase delta syndrome (APDS), a rare primary immunodeficiency. 12 September 2026