Purpose

A two part, Phase 1b/2 study to define a recommended Phase 2 dose of VRx-3996 in combination with valganciclovir (Phase 1b) designed to evaluate the efficacy of this combination in relapsed/refractory Epstein-Barr Virus Associated Lymphoma (EBV+ lymphomas).

Conditions

Eligibility

Eligible Ages
Over 18 Years
Eligible Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Relapsed/refractory, pathologically confirmed Epstein-Barr Virus positive (EBV+) lymphoid malignancy or lymphoproliferative disease - Absence of available therapy with reasonable likelihood of cure or significant clinical benefit - Adequate hematologic, hepatic and renal function as defined by laboratory assessment

Exclusion Criteria

  • Known primary central nervous system (CNS) lymphoma - Known CNS metastases or leptomeningeal disease unless appropriately treated and neurologically stable for at least 4 weeks - Active, uncontrolled bacterial, viral, or fungal infection(s) requiring systemic therapy - Refractory graft versus host disease (GvHD) not responding to treatment - Known active hepatitis B virus infection - Circulating hepatitis C virus on quantitative polymerase chain reaction (qPCR) - Known history of human herpes virus (HHV)-6 chromosomal integration - Known history of HIV infection

Study Design

Phase
Phase 1/Phase 2
Study Type
Interventional
Allocation
Non-Randomized
Intervention Model
Sequential Assignment
Intervention Model Description
Phase 1: dose escalation phase (3+3 design with definitions of dose limiting toxicity) to define a recommended phase 2 dose Phase 2: dose expansion Tablet PK Cohort
Primary Purpose
Treatment
Masking
None (Open Label)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
Phase 1b Dose Escalation
VRx-3996 (cohort 1) and valganciclovir VRx-3996 (cohort 2) and valganciclovir VRx-3996 (cohort 3) and valganciclovir VRx-3996 (cohort 4) and valganciclovir VRx-3996 (cohort 5) and valganciclovir
  • Combination Product: VRx-3996 and valganciclovir
    second-generation histone deacetylase (HDAC) inhibitor, nanatinostat (previously referred to as either VRx-3996 or CHR-3396)
    Other names:
    • nanatinostat
    • ganciclovir
    • Chroma (CHR)-3996
Experimental
Phase 2 Expansion - Capsule
VRx-3996 and valganciclovir at the recommended Phase 2 dose (RP2D)
  • Combination Product: VRx-3996 and valganciclovir
    second-generation histone deacetylase (HDAC) inhibitor, nanatinostat (previously referred to as either VRx-3996 or CHR-3396)
    Other names:
    • nanatinostat
    • ganciclovir
    • Chroma (CHR)-3996
Experimental
Phase 2 Expansion - Tablet
VRx-3996 and valganciclovir at the recommended Phase 2 dose (RP2D)
  • Combination Product: VRx-3996 and valganciclovir
    second-generation histone deacetylase (HDAC) inhibitor, nanatinostat (previously referred to as either VRx-3996 or CHR-3396)
    Other names:
    • nanatinostat
    • ganciclovir
    • Chroma (CHR)-3996

More Details

Status
Completed
Sponsor
Viracta Therapeutics, Inc.

Study Contact

Detailed Description

The purpose of this study is to determine whether VRx-3996 in combination with valganciclovir is safe, determine the side effect profile, and to determine whether this therapy may help patients with EBV-related lymphomas. The study has two phases. Goals of the first phase include determining a safe and tolerable dose that can be administered in phase 2. Goals of the second phase include further evaluating the safety and tolerability of VRx-3996 in combination with valganciclovir, evaluating how the drugs are metabolized in the body, evaluating response rates and other exploratory objectives that will help the researchers evaluate how these drugs work in the body. Participants will receive daily oral doses of the two study drugs and will have multiple study visits where they will have blood collected, physical examinations, and other medical monitoring. Following completion of the Ph2, the study will enroll additional patients into a Tablet Pharmacokinetic (PK) cohort to investigate the PK parameters of the tablet formulation.

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.