Spots Global Cancer Trial Database for Study of Pembrolizumab Combined With Decitabine and Pralatrexate in PTCL and CTCL

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Trial Identification

Brief Title: Study of Pembrolizumab Combined With Decitabine and Pralatrexate in PTCL and CTCL

Official Title: Novel Immuno-epigenetic Based Platform for Patients With Peripheral T-cell Lymphoma (PTCL) and Cutaneous T-cell Lymphoma (CTCL): an International Phase Ib Study of Pembrolizumab Combined With Decitabine and/or Pralatrexate

Study ID: NCT03240211

Conditions

PTCL

CTCL

Interventions

Pembrolizumab

Pralatrexate

Decitabine

Study Description

Brief Summary: This is an international, multicenter, multi-arm, phase Ib, model-based dose-escalation study. The primary objectives of the study in each arm is to determine the maximum tolerated dose (MTD), recommended phase 2 dose (RP2D), dose limiting toxicities (DLTs) and to evaluate the clinical efficacy at the MTD of various combinations of pembrolizumab, pralatrexate and decitabine.

Detailed Description: The peripheral T-cell lymphomas (PTCLs) are rare subtypes of Non-Hodgkin lymphoma (NHL) with unique clinicopathologic features and very unfavorable prognosis. Recently it has been demonstrated that PTCLs are characterized by recurrent mutations in epigenetic operators (e.g. TET2, DNMT3A, and IDH2) and escape from immune surveillance. The safety and toxicity of these combinations will be evaluated throughout the entire study. Dose allocation in Arms A and C will be based upon a continual reassessment method (CRM), and combination allocation in Arm B will be conducted using a DLT-adapted partial order continual reassessment method (POCRM) for dose-finding with combinations of agents. Study Hypothesis: If pralatrexate and/or decitabine functions in an immunomodulatory fashion then priming and modulating the malignant cells and the microenvironment will enhance the antitumor activity of pembrolizumab in patients with PTCLs and CTCLs.