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Human leukocyte antigen variation is associated with adverse events of checkpoint inhibitors


Hasan Ali, Omar; Berner, Fiamma; Bomze, David; Fässler, Mirjam; Diem, Stefan; Cozzio, Antonio; Jörger, Markus; Früh, Martin; Driessen, Christoph; Lenz, Tobias L; Flatz, Lukas (2019). Human leukocyte antigen variation is associated with adverse events of checkpoint inhibitors. European Journal of Cancer, 107:8-14.

Abstract

Background Checkpoint inhibitors (CIs) are highly effective but can induce severe immune-related adverse events (irAEs), which cannot be predicted. We investigated whether human leukocyte antigen (HLA) genes predispose to developing of irAEs during therapy and thus hold a predictive role. Methods We established a prospective observational single-centre study and collected data from patients with either metastatic non–small cell lung cancer (NSCLC) or metastatic melanoma, who were treated with anti–PD-1 (programmed cell death receptor 1), anti-CTLA4 (cytotoxic T-lymphocyte–associated protein 4) or both CIs combined. Data include irAEs and ranges from 15th July 2016 until 10th May 2018. In addition, we performed HLA typing via next generation sequencing. Results We enrolled 102 patients (median [range] age, 68 [62–74] years) with metastatic cancer in our study who received CI therapy. Of these patients, 59 (58%) developed one or more irAEs, among which pruritus (n = 32 (54%)) and rash (n = 24 (41%)) had the highest rates. We did not find evidence for a single HLA gene being associated with all irAEs (all P > .05). When assessing each irAE individually, we found a significant association between HLA-DRB1*11:01 and pruritus (OR = 4.53, X21,95 = 9.45, P < .01) as well as a nominally significant additive association between HLA-DQB1*03:01 and colitis (OR = 3.94, X21,95 = 5.67, P = .017). Conclusions The presence of two HLA alleles that are known to predispose to autoimmune diseases were associated with the development of pruritus or colitis during therapy, suggesting a genetic aetiology of irAEs. Larger genome-wide association studies should be performed to confirm our findings.

Abstract

Background Checkpoint inhibitors (CIs) are highly effective but can induce severe immune-related adverse events (irAEs), which cannot be predicted. We investigated whether human leukocyte antigen (HLA) genes predispose to developing of irAEs during therapy and thus hold a predictive role. Methods We established a prospective observational single-centre study and collected data from patients with either metastatic non–small cell lung cancer (NSCLC) or metastatic melanoma, who were treated with anti–PD-1 (programmed cell death receptor 1), anti-CTLA4 (cytotoxic T-lymphocyte–associated protein 4) or both CIs combined. Data include irAEs and ranges from 15th July 2016 until 10th May 2018. In addition, we performed HLA typing via next generation sequencing. Results We enrolled 102 patients (median [range] age, 68 [62–74] years) with metastatic cancer in our study who received CI therapy. Of these patients, 59 (58%) developed one or more irAEs, among which pruritus (n = 32 (54%)) and rash (n = 24 (41%)) had the highest rates. We did not find evidence for a single HLA gene being associated with all irAEs (all P > .05). When assessing each irAE individually, we found a significant association between HLA-DRB1*11:01 and pruritus (OR = 4.53, X21,95 = 9.45, P < .01) as well as a nominally significant additive association between HLA-DQB1*03:01 and colitis (OR = 3.94, X21,95 = 5.67, P = .017). Conclusions The presence of two HLA alleles that are known to predispose to autoimmune diseases were associated with the development of pruritus or colitis during therapy, suggesting a genetic aetiology of irAEs. Larger genome-wide association studies should be performed to confirm our findings.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Dermatology Clinic
Dewey Decimal Classification:610 Medicine & health
Uncontrolled Keywords:Cancer Research, Oncology
Language:English
Date:1 January 2019
Deposited On:14 Dec 2018 11:08
Last Modified:17 Sep 2019 19:46
Publisher:Elsevier
ISSN:0959-8049
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1016/j.ejca.2018.11.009
PubMed ID:30529903
Project Information:
  • : FunderSNSF
  • : Grant IDPP00P3_157448
  • : Project TitleVaccine and immunotherapy induced CD8+ T cell responses against auto-, neo- and foreign antigens

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