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Cancer Discovery
Cancer Discovery
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About the Cover

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Bentebibel, Hurwitz, Bernatchez, and colleagues report a first-in-human phase I study to evaluate the safety and activity of NKTR-214 (bempegaldesleukin), a human recombinant IL2 conjugated to slowly releasable polyethylene glycol chains that bias binding to the intermediate-affinity IL2Rβg complex instead of the low-affinity IL2Rα chain In heavily pretreated patients with advanced solid tumors, NKTR-214 was well tolerated, and the best overall response was stable disease in 14 of 26 evaluable patients (54%) NKTR-214 treatment induced activation and proliferation of immune cells in peripheral blood, and comparison of baseline and on-treatment tumor biopsies revealed that NKTR-214 increased T-cell activation signatures, CD8+ T-cell infiltration, and T-cell clonality These findings suggest that NKTR-214 not only has immunostimulatory activity but may be a safer alternative to high-dose unconjugated IL2, making it an attractive candidate for combination immunotherapy strategies For details, please see the article by Bentebibel, Hurwitz, Bernatchez, and colleagues on page 711.

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Cancer Discovery: 9 (6)
June 2019
Volume 9, Issue 6
  • Table of Contents
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Cancer Discovery
eISSN: 2159-8290
ISSN: 2159-8274

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