"3) Phase 1b/2a: ZEN-3694 + PARPi in HRD+/ HRD- patients (breast, CRPC, ovarian), DE and DC. I did not know what all of these acronyms mean, but this helps. I still don't know what DE and DC are."

I asked Clayton and he clarified: "DE = Dose Escalation; DC = Dose Confirmation"