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Clinical Trial Summary

This phase I/II trial studies the side effects and best dose of pralatrexate when given together with pembrolizumab and how well they work in treating patients with peripheral T-cell lymphomas that has come back after a period of improvement or has not responded to treatment. Pralatrexate may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Giving pembrolizumab and pralatrexate may work better in treating patients with peripheral T-cell lymphomas.


Clinical Trial Description

PRIMARY OBJECTIVES: I. Evaluate the safety and tolerability of a regimen combining pembrolizumab and pralatrexate in patients with relapsed or refractory peripheral T-cell lymphoma (PTCL). II. Establish the maximum tolerated dose (MTD) and recommended phase II dose (RP2D) of the combined pralatrexate and pembrolizumab regimen. III. Estimate the overall response rate (ORR) according to the Lugano Classification in patients treated with pembrolizumab plus pralatrexate at the RP2D. SECONDARY OBJECTIVES: I. Estimate the complete response (CR) rate according to the Lugano Classification duration of response (DOR), overall survival (OS) and progression-free survival (PFS) in patients treated with pembrolizumab plus pralatrexate. II. Estimate the ORR and CR rate according to the International Harmonization Project response criteria. III. Evaluate responses and disease progression according to the Lymphoma Response to Immunomodulatory therapy Criteria (LYRIC). EXPLORATORY OBJECTIVE: I. Explore immunologic and genomic biomarkers of response to pembrolizumab plus pralatrexate therapy. OUTLINE: This is a phase I, dose-escalation study of pralatrexate followed by a phase II study. Patients receive pralatrexate intravenously (IV) over 3-5 minutes on days 1 and 8 and pembrolizumab IV over 30 minutes on day 1. Courses repeat every 21 days for up to 24 months in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up at 30 and 90 days, every 12 weeks for 1 year, and then every 18 weeks thereafter. ;


Study Design


Related Conditions & MeSH terms

  • Anaplastic Large Cell Lymphoma
  • Enteropathy-Associated T-Cell Lymphoma
  • Intestinal Diseases
  • Lymphoma
  • Lymphoma, Follicular
  • Lymphoma, Large-Cell, Anaplastic
  • Lymphoma, Non-Hodgkin
  • Lymphoma, T-Cell
  • Lymphoma, T-Cell, Peripheral
  • Mycoses
  • Mycosis Fungoides
  • Nodal Peripheral T-Cell Lymphoma With TFH Phenotype
  • Panniculitis
  • Recurrence
  • Recurrent Anaplastic Large Cell Lymphoma
  • Recurrent Angioimmunoblastic T-Cell Lymphoma
  • Recurrent Enteropathy-Associated T-Cell Lymphoma
  • Recurrent Follicular Lymphoma
  • Recurrent Hepatosplenic T-Cell Lymphoma
  • Recurrent Mature T- Cell and NK-Cell Non-Hodgkin Lymphoma
  • Recurrent Monomorphic Epitheliotropic Intestinal T-cell Lymphoma
  • Recurrent Mycosis Fungoides
  • Recurrent Peripheral T-Cell Lymphoma, Not Otherwise Specified
  • Refractory Anaplastic Large Cell Lymphoma
  • Refractory Angioimmunoblastic T-Cell Lymphoma
  • Refractory Enteropathy-Associated T-Cell Lymphoma
  • Refractory Follicular Lymphoma
  • Refractory Hepatosplenic T-Cell Lymphoma
  • Refractory Mature T-Cell and NK-Cell Non-Hodgkin Lymphoma
  • Refractory Mycosis Fungoides
  • Refractory Peripheral T-Cell Lymphoma, Not Otherwise Specified
  • Subcutaneous Panniculitis-Like T-Cell Lymphoma

NCT number NCT03598998
Study type Interventional
Source City of Hope Medical Center
Contact
Status Active, not recruiting
Phase Phase 1/Phase 2
Start date February 4, 2019
Completion date June 29, 2024

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