A phase 1 study of DAN-222 as monotherapy and in combination with niraparib is being conducted...Clinical activity during dose escalation was demonstrated with stable disease in 28% of patients with monotherapy and 67% of patients with combination therapy across all dose levels...The reduced myelotoxicity of DAN-222 will also enable combination with other therapies to treat patients with other types of cancer. The promising antitumor activity seen with DAN-222 in combination with PARPi in BRCAwt, supports continued clinical development.