VSV-hIFNbeta-NIS With or Without Ruxolitinib Phosphate in Treating Patients With Stage IV or Recurrent Endometrial Cancer

Summary

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PRIMARY OBJECTIVE: I. To evaluate the optimal dose schedule, safety and tolerability as measured by the incidence of significant toxicity of VSV-hIFNbeta-NIS in immunocompetent patients with metastatic and/or recurrent endometrial cancer (EC). SECONDARY OBJECTIVES: I. To determine the toxicity profi...

PRIMARY OBJECTIVE: I. To evaluate the optimal dose schedule, safety and tolerability as measured by the incidence of significant toxicity of VSV-hIFNbeta-NIS in immunocompetent patients with metastatic and/or recurrent endometrial cancer (EC). SECONDARY OBJECTIVES: I. To determine the toxicity profile of VSV-hIFNbeta-NIS (alone and in combination with ruxolitinib phosphate [ruxolitinib]). II. To determine the time course of viral gene expression and virus elimination, and the biodistribution of virally infected cells at various times points after infection with VSV-hIFNbeta-NIS (alone and in combination with ruxolitinib) using Tc-99m pertechnetate planar and single photon emission computed tomography (SPECT)/computed tomography (CT) or fluorine F18 tetrafluoroborate (TFB)-positron emission tomography (PET) imaging. III. To assess virus replication, viremia; viral shedding in urine and respiratory secretions; and virus persistence after intravenous (IV) administration of VSV-hIFNbeta-NIS (alone and in combination with ruxolitinib). IV. To monitor humoral responses to the injected virus. V. To estimate the tumor response rate and overall survival. CORRELATIVE OBJECTIVES: I. To determine the pharmacokinetic (PK) profile of VSV-IFNbeta-NIS in patients with EC by measurement of VSV-IFNbeta-NIS in blood by reverse transcriptase polymerase chain reaction (RT-PCR). II. To characterize the pharmacodynamics (PD) of VSV-IFNbeta-NIS by way of measuring serum interferon-beta and also VSV-RT-PCR of VSV-IFNbeta-NIS listed above. III. Assess CD8+ T cell (both general and VSV-IFNbeta-NIS specific) and natural killer (NK) cell responses. IV. Gene expression analysis pre- and post-virotherapy. V. Evaluate transcription of interferon mediated genes (protein kinase R, the death receptor-TRAIL, 2'-5' oligoadenylate/RNAse L proteins, heat shock proteins [Hsp 60/70/90], major histocompatibility class antigens and IRF-7). VI. Assess presence of VSV in tumor and normal tissues subsequent to administration of IV VSV-IFNbeta-NIS. OUTLINE: This is a dose-escalation study of VSV-hIFNbeta-NIS. Patients are randomized to 1 of 2 arms. ARM A: Patients receive VSV-hIFNbeta-NIS IV over 60-90 minutes on day 1. After 2 days, patients receive technetium Tc-99m sodium pertechnetate IV, and about 30 minutes later, undergo whole body planar imaging and SPECT/CT imaging or receive fluorine F18 tetrafluoroborate IV and undergo TFB-PET imaging. If previous imaging data are positive, patients receive technetium Tc-99m sodium pertechnetate IV and undergo another planar and SPECT/CT imaging or fluorine F18 tetrafluoroborate IV and undergo another TFB-PET imaging between 7-10 days and on 15 days if needed after VSV-hIFNbeta-NIS infusion. Biopsy of accessible NIS image-positive tumors may occur after any imaging. Patients also undergo image-guided biopsy of accessible tumor on day 29. ARM B: Patients receive ruxolitinib phosphate orally (PO) twice daily (BID) on days -3 to 9. Patients also receive VSV-hIFNbeta-NIS IV over 60-90 minutes on day 1. After 2 days, patients receive technetium Tc-99m sodium pertechnetate IV, and about 30 minutes later, undergo whole body planar imaging and SPECT/CT imaging or receive fluorine F18 tetrafluoroborate IV and undergo TFB-PET imaging. If previous imaging data are positive, patients receive technetium Tc-99m sodium pertechnetate IV and undergo another planar and SPECT/CT imaging or fluorine F18 tetrafluoroborate IV and undergo another TFB-PET imaging between 7-10 days and on 15 days if needed after VSV-hIFNbeta-NIS infusion. Biopsy of accessible NIS image-positive tumors may occur after any imaging. Patients also undergo image-guided biopsy of accessible tumor on day 29. After completion of study treatment, patients are followed up at day 29, every 3 months until disease progression and then every 6 months for up to 5 years.

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