Abstract 2513
Background
We investigated whether Imunoscore performed on localized or locally advanced urothelial carcinoma (UC) tumor samples could predict response to neoadjuvant chemotherapy and survival outcome.
Methods
This retrospective ongoing study evaluated the Immunoscore in 150 patients with UC (140 UC of the bladder, 10 UC of the upper tract) from 6 centers (Greece and France). All patients underwent neo-adjuvant chemotherapy. Pre-treatment tumor samples (trans-urethral resection or upper tract biopsy) were immunostained for CD3+ and CD8+ T cells and quantified by digital pathology to determine the Immunoscore. The consensus Immunoscore was applied to tumors with invasive margin and an Immunoscore adapted to samples quantified when no invasion was identified on the specimen. Results were correlated with response to neoadjuvant treatment and time to recurrence (TTR).
Results
Immunoscore Low, Intermediate and High were respectively observed in 40, 43 and 17% of the cohort. Densities of CD3 and CD8 in the center and invasive margin were not significantly different according to clinical parameters such as T-stage, N-stage, age, gender, tumor differentiation (with or without variant), and localization (upper tract versus bladder). Immunoscore was positively and significantly correlated with TTR. High, intermediate and low Immunoscore patients had a median TTR of 83, 34 and 27 months, respectively (P < 0,05). In multivariate analysis, Immunoscore remains a significant independent parameter at presentation associated with TTR (High vs Low: P < 0.05). Immunoscore was positively and significantly correlated with pathologic complete response (pCR) (P < 0.001). Low Immunoscore was observed in 69% of patients with no pCR, and in only 20% of patients with pCR. In contrast, high Immunoscore was observed in only 7% of patients with no pCR, whereas 40% of these patients had a pCR.
Conclusions
The results of this ongoing study show a significant prognostic and potentially predictive role of Immunoscore in UC patients with important therapeutic implications. These preliminary results will be completed as samples are being analyzed before ESMO 2019 annual meeting.
Clinical trial identification
Editorial acknowledgement
Legal entity responsible for the study
The authors.
Funding
FONCER.
Disclosure
C. Thibault: Honoraria (self), Travel / Accommodation / Expenses: Astellas Pharma; Honoraria (self): Ipsen; Advisory / Consultancy, Travel / Accommodation / Expenses: Janssen-Cilag; Advisory / Consultancy, Travel / Accommodation / Expenses: Pfizer; Advisory / Consultancy, Research grant / Funding (institution): Sanofi Pasteur; Research grant / Funding (institution), Travel / Accommodation / Expenses: AstraZeneca/Medimmune; Travel / Accommodation / Expenses: Astellas; Travel / Accommodation / Expenses: Roche/Genentech. F. Hermitte: Shareholder / Stockholder / Stock options, Full / Part-time employment: HalioDx. A. Bamias: Honoraria (self), Advisory / Consultancy, Research grant / Funding (self): BMS; Honoraria (self), Advisory / Consultancy, Research grant / Funding (self): Pfizer; Advisory / Consultancy, Research grant / Funding (self): AstraZeneca; Advisory / Consultancy, Research grant / Funding (self): Ipsen; Research grant / Funding (self): Lilly; Research grant / Funding (self): Astellas. J. Galon: Advisory / Consultancy, Research grant / Funding (institution), Shareholder / Stockholder / Stock options: HalioDx; Honoraria (self): AstraZeneca; Honoraria (self): Novartis; Honoraria (self): Merck; Honoraria (self): MSD; Honoraria (self): BMS; Honoraria (self): Sanofi; Honoraria (self): Gilead; Advisory / Consultancy, Research grant / Funding (institution): Io Biotech; Advisory / Consultancy: Illumina; Advisory / Consultancy: Northwest Biotherapeutics; Advisory / Consultancy: Actelion; Advisory / Consultancy: Amgen; Research grant / Funding (institution): Perkin Elmer; Research grant / Funding (institution): MedImmune; Research grant / Funding (institution): Janssen; Research grant / Funding (institution): Imcheck; Licensing / Royalties: INSERM. All other authors have declared no conflicts of interest.
Resources from the same session
5105 - Fresh blood Immune cell monitoring in patients treated with nivolumab in the GETUG-AFU26 NIVOREN study: association with toxicity and treatment outcome
Presenter: Aude DESNOYER
Session: Poster Display session 3
Resources:
Abstract
1877 - Advanced clear-cell renal cell carcinoma (accRCC): association of microRNAs (miRNAs) with molecular subtypes, mRNA targets and outcome.
Presenter: Annelies Verbiest
Session: Poster Display session 3
Resources:
Abstract
5543 - Prior tyrosine kinase inhibitors (TKI) and antibiotics (ATB) use are associated with distinct gut microbiota ‘guilds’ in renal cell carcinoma (RCC) patients
Presenter: Valerio Iebba
Session: Poster Display session 3
Resources:
Abstract
2689 - mTOR mutations are not associated with shorter PFS and OS in patients treated with mTOR inhibitors
Presenter: Cristina Suarez Rodriguez
Session: Poster Display session 3
Resources:
Abstract
3069 - Efficacy of immune checkpoint inhibitors (ICI) and genomic alterations by body mass index (BMI) in Advanced Renal Cell Carcinoma (RCC)
Presenter: Aly-Khan Lalani
Session: Poster Display session 3
Resources:
Abstract
5089 - Finding the Right Biomarker for Renal Cell Carcinoma (RCC): Nivolumab treatment induces the expression of specific peripheral lymphocyte microRNAs in patients with durable and complete response.
Presenter: Lorena Incorvaia
Session: Poster Display session 3
Resources:
Abstract
2594 - Algorithms derived from quantitative pathology can be a gatekeeper in patient selection for clinical trials in localised clear cell renal cell carcinoma (ccRCC)
Presenter: In Hwa Um
Session: Poster Display session 3
Resources:
Abstract
2566 - High baseline blood volume is an independent favorable prognostic factor for overall and progression-free survival in patients with metastatic renal cell carcinoma
Presenter: Aska Drljevic-nielsen
Session: Poster Display session 3
Resources:
Abstract
2675 - Impact of estimand selection on adjuvant treatment outcomes in renal cell carcinoma (RCC)
Presenter: Daniel George
Session: Poster Display session 3
Resources:
Abstract
1541 - TERT gene fusions characterize a subset of metastatic Leydig cell tumors
Presenter: Bozo Kruslin
Session: Poster Display session 3
Resources:
Abstract