Gut Bacteria Composition Drives Primary Resistance to Cancer Immunotherapy in Renal Cell Carcinoma Patients

医学 内科学 肾细胞癌 肿瘤科 细菌 小学(天文学) 癌症 肾癌 免疫疗法 癌症研究 天文 遗传学 生物 物理
作者
Lisa Derosa,Bertrand Routy,Marine Fidelle,Valerio Iebba,Laurie Alla,Edoardo Pasolli,Nicola Segata,Aude Desnoyer,Filippo Pietrantonio,Gladys Ferrere,Jean‐Eudes Fahrner,Emmanuelle Le Chatellier,Nicolas Pons,Nathalie Galleron,Hugo Roume,Connie P.M. Duong,Laura Mondragón,Kristina Iribarren,Mélodie Bonvalet,Safae Terrisse,Conrad Rauber,Anne‐Gaëlle Goubet,Romain Daillère,Fabien Lemaître,Anna Reni,Beatrice Casu,Maryam Tidjani Alou,Carolina Alves Costa Silva,Didier Raoult,Karim Fizazi,Bernard Escudier,Guido Kroemer,Laurence Albigès,Laurence Zitvogel
出处
期刊:European Urology [Elsevier]
卷期号:78 (2): 195-206 被引量:258
标识
DOI:10.1016/j.eururo.2020.04.044
摘要

The development of immune checkpoint blockade (ICB) has revolutionized the clinical outcome of renal cell carcinoma (RCC). Nevertheless, improvement of durability and prediction of responses remain unmet medical needs. While it has been recognized that antibiotics (ATBs) decrease the clinical activity of ICB across various malignancies, little is known about the direct impact of distinct intestinal nonpathogenic bacteria (commensals) on therapeutic outcomes of ICB in RCC. To evaluate the predictive value of stool bacteria composition for ICB efficacy in a cohort of advanced RCC patients. We prospectively collected fecal samples from 69 advanced RCC patients treated with nivolumab and enrolled in the GETUG-AFU 26 NIVOREN microbiota translational substudy phase 2 trial (NCT03013335) at Gustave Roussy. We recorded patient characteristics including ATB use, prior systemic therapies, and response criteria. We analyzed 2994 samples of feces from healthy volunteers (HVs). In parallel, preclinical studies performed in RCC-bearing mice that received fecal transplant (FMT) from RCC patients resistant to ICB (NR-FMT) allowed us to draw a cause-effect relationship between gut bacteria composition and clinical outcomes for ICB. The influence of tyrosine kinase inhibitors (TKIs) taken before starting nivolumab on the microbiota composition has also been assessed. Metagenomic data (MG) from whole genome sequencing (WGS) were analyzed by multivariate and pairwise comparisons/fold ratio to identify bacterial fingerprints related to ATB or prior TKI exposure and patients’ therapeutic response (overall response and progression-free survival), and compared with the data from cancer-free donors. Recent ATB use (n = 11; 16%) reduced objective response rates (from 28% to 9%, p < 0.03) and markedly affected the composition of the microbiota, facilitating the dominance of distinct species such as Clostridium hathewayi, which were also preferentially over-represented in stools from RCC patients compared with HVs. Importantly, TKIs taken prior to nivolumab had implications in shifting the microbiota composition. To establish a cause-effect relationship between gut bacteria composition and ICB efficacy, NR-FMT mice were successfully compensated with either FMT from responding RCC patients or beneficial commensals identified by WGS-MG (Akkermansia muciniphila and Bacteroides salyersiae). The composition of the microbiota is influenced by TKIs and ATBs, and impacts the success of immunotherapy. Future studies will help sharpen the role of these specific bacteria and their potential as new biomarkers. We used quantitative shotgun DNA sequencing of fecal microbes as well as preclinical models of fecal or bacterial transfer to study the association between stool composition and (pre)clinical outcome to immune checkpoint blockade. Novel insights into the pathophysiological relevance of intestinal dysbiosis in the prognosis of kidney cancer may lead to innovative therapeutic solutions, such as supplementation with probiotics to prevent primary resistance to therapy.
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