An open-label, phase 2 trial of nanatinostat in combination with valganciclovir in patients with Epstein-Barr virus-positive (EBV+) relapsed/refractory lymphomas.

Including patients who meet these criteria:

• EBV+ relapsed/refractory lymphoma following two or more prior systemic therapies
• EBV+ DLBCL, NOS: Must have received at least one course of an anti-CD20 immunotherapy, and at least one course of anthracycline-based chemotherapy
• PTLD: Must have received immunotherapy with an anti-CD20 agent.
• Hodgkin lymphoma: Must have received at least one course of anthracycline-based chemotherapy. Patients with classical Hodgkin lymphoma should have failed or be ineligible for an anti-PD-1 agent and CD30-directed therapy.
• For extranodal NK/T-cell lymphoma patients only: Relapsed/refractory disease following one or more prior systemic therapies. Patients must have failed an asparaginase-containing regimen.
• No available therapies in the opinion of the Investigator
• Not eligible for high-dose chemotherapy with allogeneic/autologous stem cell transplantation or CAR-T therapy
• Measurable disease per Lugano 2007
• ECOG performance status 0, 1, 2
• Adequate bone marrow function

Key Exclusion Criteria:

• Presence or history of CNS involvement by lymphoma
• Systemic anticancer therapy or CAR-T within 21 days
• Antibody (anticancer) agents within 28 days
• Less than 60 days from prior autologous hematopoietic stem cell or solid organ transplant
• Less than 90 days from prior allogeneic transplant.
• Daily corticosteroids (≥20 mg of prednisone or equivalent) within week prior to cycle 1 day 1
• Inability to take oral medication, malabsorption syndrome or any other gastrointestinal condition (nausea, diarrhea, vomiting) that may impact the absorption of nanatinostat and valganciclovir.
• Active infection requiring systemic therapy (excluding viral upper respiratory tract infections).