Sotigalimab and/or nivolumab with chemotherapy in first-line metastatic pancreatic cancer: clinical and immunologic analyses from the randomized phase 2 PRINCE trial

Lacey J. Padrón, Deena M. Maurer, Mark H. O’Hara, Eileen M. O’Reilly, Robert A. Wolff, Zev A. Wainberg, Andrew H. Ko, George Fisher, Osama Rahma, Jaclyn P. Lyman, Christopher R. Cabanski, Jia Xin Yu, Shannon M. Pfeiffer, Marko Spasic, Jingying Xu, Pier Federico Gherardini, Joyson Karakunnel, Rosemarie Mick, Cécile Alanio, Katelyn T. ByrneTravis J. Hollmann, Jonni S. Moore, Derek D. Jones, Marco Tognetti, Richard O. Chen, Xiaodong Yang, Lisa Salvador, E. John Wherry, Ute Dugan, Jill O’Donnell-Tormey, Lisa H. Butterfield, Vanessa M. Hubbard-Lucey, Ramy Ibrahim, Justin Fairchild, Samantha Bucktrout, Theresa M. LaVallee, Robert H. Vonderheide

Research output: Contribution to journalArticlepeer-review

100 Scopus citations

Abstract

Chemotherapy combined with immunotherapy has improved the treatment of certain solid tumors, but effective regimens remain elusive for pancreatic ductal adenocarcinoma (PDAC). We conducted a randomized phase 2 trial evaluating the efficacy of nivolumab (nivo; anti-PD-1) and/or sotigalimab (sotiga; CD40 agonistic antibody) with gemcitabine/nab-paclitaxel (chemotherapy) in patients with first-line metastatic PDAC (NCT03214250). In 105 patients analyzed for efficacy, the primary endpoint of 1-year overall survival (OS) was met for nivo/chemo (57.7%, P = 0.006 compared to historical 1-year OS of 35%, n = 34) but was not met for sotiga/chemo (48.1%, P = 0.062, n = 36) or sotiga/nivo/chemo (41.3%, P = 0.223, n = 35). Secondary endpoints were progression-free survival, objective response rate, disease control rate, duration of response and safety. Treatment-related adverse event rates were similar across arms. Multi-omic circulating and tumor biomarker analyses identified distinct immune signatures associated with survival for nivo/chemo and sotiga/chemo. Survival after nivo/chemo correlated with a less suppressive tumor microenvironment and higher numbers of activated, antigen-experienced circulating T cells at baseline. Survival after sotiga/chemo correlated with greater intratumoral CD4 T cell infiltration and circulating differentiated CD4 T cells and antigen-presenting cells. A patient subset benefitting from sotiga/nivo/chemo was not identified. Collectively, these analyses suggest potential treatment-specific correlates of efficacy and may enable biomarker-selected patient populations in subsequent PDAC chemoimmunotherapy trials.

Original languageEnglish (US)
Pages (from-to)1167-1177
Number of pages11
JournalNature medicine
Volume28
Issue number6
DOIs
StatePublished - Jun 2022

ASJC Scopus subject areas

  • General Biochemistry, Genetics and Molecular Biology

MD Anderson CCSG core facilities

  • Clinical and Translational Research Center

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