RecruitingPhase 1Drug trialA Phase Ib Study of VK-2019 in Patients With Relapsed or Refractory EBV+ Diffuse Large B-cell Lymphomas (DLBCL)This is a Phase Ib in adult patients with relapsed or refractory EBV-positive DLBCL using daily oral dosing of VK-2019 in three dose escalation cohorts: 600 mg/day, 1200 mg/day, 1800 mg/day for 28 days (cycle), until progression or toxicity.