Immunomodulatory response to neoadjuvant nivolumab in non-metastatic clear cell renal cell carcinoma

Nirmish Singla, Thomas R. Nirschl, Aleksandar Z. Obradovic, Eugene Shenderov, Kara Lombardo, Xiaopu Liu, Alice Pons, Jelani C. Zarif, Steven P. Rowe, Bruce J. Trock, Hans J. Hammers, Trinity J. Bivalacqua, Phillip M. Pierorazio, Julie S. Deutsch, Tamara L. Lotan, Janis M. Taube, Yasser M.A. Ged, Michael A. Gorin, Mohamad E. Allaf, Charles G. Drake

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Novel perioperative strategies are needed to reduce recurrence rates in patients undergoing nephrectomy for high-risk, non-metastatic clear cell renal cell carcinoma (ccRCC). We conducted a prospective, phase I trial of neoadjuvant nivolumab prior to nephrectomy in 15 evaluable patients with non-metastatic ccRCC. We leveraged tissue from that cohort to elucidate the effects of PD-1 inhibition on immune cell populations in ccRCC and correlate the evolving immune milieu with anti-PD-1 response. We found that nivolumab durably induces a pro-inflammatory state within the primary tumor, and baseline immune infiltration within the primary tumor correlates with nivolumab responsiveness. Nivolumab increases CTLA-4 expression in the primary tumor, and subsequent nephrectomy increases circulating concentrations of sPD-L1, sPD-L3 (sB7-H3), and s4-1BB. These findings form the basis to consider neoadjuvant immune checkpoint inhibition (ICI) for high-risk ccRCC while the tumor remains in situ and provide the rationale for perioperative strategies of novel ICI combinations.

Original languageEnglish (US)
Article number1458
JournalScientific reports
Volume14
Issue number1
DOIs
StatePublished - Dec 2024

ASJC Scopus subject areas

  • General

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