Phase i study protocol: NKTR-255 as monotherapy or combined with daratumumab or rituximab in hematologic malignancies

Nina Shah, Miguel Angel Perales, Cameron J. Turtle, Mitchell S. Cairo, Andrew J. Cowan, Hayder Saeed, Lihua E. Budde, Alan Tan, Zachary Lee, Kazuharu Kai, Mario Q. Marcondes, Jonathan Zalevsky, Mary A. Tagliaferri, Krina K. Patel

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

NKTR-255 is an investigational polyethylene glycol-modified recombinant human IL-15 (rhIL-15) receptor agonist, designed to improve the immunotherapeutic and anti-cancer benefit observed with rhIL-15 while circumventing the toxicities associated with this therapy. In preclinical studies, NKTR-255 has demonstrated enhanced proliferation and function of CD8+ T cells and natural killer cells, as well as enhanced anti-tumor activity and survival both as monotherapy and in combination with monoclonal antibodies in multiple cancer models. Here, we describe the rationale and design of the first-in-human Phase I, dose-escalation and dose-expansion study of NKTR-255 alone and in combination with daratumumab or rituximab in adults with relapsed/refractory multiple myeloma or non-Hodgkin's lymphoma that will determine the maximum tolerated dose and recommended Phase II dose for NKTR-255.

Original languageEnglish (US)
Pages (from-to)3549-3560
Number of pages12
JournalFuture Oncology
Volume17
Issue number27
DOIs
StatePublished - Sep 2021

Keywords

  • IL-15
  • NKTR-255
  • daratumumab
  • multiple myeloma
  • non-Hodgkin lymphoma
  • rituximab
  • study protocol

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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