Immunomic longitudinal profiling of the NeoPembrOv trial identifies drivers of immunoresistance in high-grade ovarian carcinoma - Archive ouverte HAL
Article Dans Une Revue Nature Communications Année : 2024

Immunomic longitudinal profiling of the NeoPembrOv trial identifies drivers of immunoresistance in high-grade ovarian carcinoma

Olfa Derbel
  • Fonction : Auteur
Louis Jeay
Suliman Bouizaguen
  • Fonction : Auteur
Eric Tartour
Marc-Henri Stern
Isabelle Ray-Coquard

Résumé

Abstract PD-1/PD-L1 blockade has so far shown limited survival benefit for high-grade ovarian carcinomas. By using paired samples from the NeoPembrOv randomized phase II trial (NCT03275506), for which primary outcomes are published, and by combining RNA-seq and multiplexed immunofluorescence staining, we explore the impact of NeoAdjuvant ChemoTherapy (NACT) ± Pembrolizumab (P) on the tumor environment, and identify parameters that correlated with response to immunotherapy as a pre-planned exploratory analysis. Indeed, i) combination therapy results in a significant increase in intraepithelial CD8 + PD-1 + T cells, ii) combining endothelial and monocyte gene signatures with the CD8B/FOXP3 expression ratio is predictive of response to NACT + P with an area under the curve of 0.93 (95% CI 0.85-1.00) and iii) high CD8B/FOXP3 and high CD8B/ENTPD1 ratios are significantly associated with positive response to NACT + P, while KDR and VEGFR2 expression are associated with resistance. These results indicate that targeting regulatory T cells and endothelial cells, especially VEGFR2 + endothelial cells, could overcome immune resistance of ovarian cancers.

Domaines

Cancer
Fichier non déposé

Dates et versions

hal-04655437 , version 1 (22-07-2024)

Identifiants

Citer

Olivia Le Saux, Maude Ardin, Justine Berthet, Sarah Barrin, Morgane Bourhis, et al.. Immunomic longitudinal profiling of the NeoPembrOv trial identifies drivers of immunoresistance in high-grade ovarian carcinoma. Nature Communications, 2024, 15 (1), pp.5932. ⟨10.1038/s41467-024-47000-5⟩. ⟨hal-04655437⟩
123 Consultations
0 Téléchargements

Altmetric

Partager

More