author_facet Iafolla, Marco A J
Yang, Cindy
Chandran, Vinod
Pintilie, Melania
Li, Quan
Bedard, Philippe L
Hansen, Aaron
Lheureux, Stephanie
Spreafico, Anna
Razak, Albiruni A
Hakgor, Sevan
Giesler, Amanda
Pugh, Trevor J
Siu, Lillian L
Iafolla, Marco A J
Yang, Cindy
Chandran, Vinod
Pintilie, Melania
Li, Quan
Bedard, Philippe L
Hansen, Aaron
Lheureux, Stephanie
Spreafico, Anna
Razak, Albiruni A
Hakgor, Sevan
Giesler, Amanda
Pugh, Trevor J
Siu, Lillian L
author Iafolla, Marco A J
Yang, Cindy
Chandran, Vinod
Pintilie, Melania
Li, Quan
Bedard, Philippe L
Hansen, Aaron
Lheureux, Stephanie
Spreafico, Anna
Razak, Albiruni A
Hakgor, Sevan
Giesler, Amanda
Pugh, Trevor J
Siu, Lillian L
spellingShingle Iafolla, Marco A J
Yang, Cindy
Chandran, Vinod
Pintilie, Melania
Li, Quan
Bedard, Philippe L
Hansen, Aaron
Lheureux, Stephanie
Spreafico, Anna
Razak, Albiruni A
Hakgor, Sevan
Giesler, Amanda
Pugh, Trevor J
Siu, Lillian L
JNCI Cancer Spectrum
Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis
Cancer Research
Oncology
author_sort iafolla, marco a j
spelling Iafolla, Marco A J Yang, Cindy Chandran, Vinod Pintilie, Melania Li, Quan Bedard, Philippe L Hansen, Aaron Lheureux, Stephanie Spreafico, Anna Razak, Albiruni A Hakgor, Sevan Giesler, Amanda Pugh, Trevor J Siu, Lillian L 2515-5091 Oxford University Press (OUP) Cancer Research Oncology http://dx.doi.org/10.1093/jncics/pkaa115 <jats:title>Abstract</jats:title> <jats:sec> <jats:title>Background</jats:title> <jats:p>Human leukocyte antigen class 1 (HLA-1)–dependent immune activity is linked to autoimmune diseases. HLA-1–dependent CD8+ T cells are required for immune checkpoint blockade antitumor activity. It is unknown if HLA-1 genotype is predictive of toxicity to immune checkpoint blockade.</jats:p> </jats:sec> <jats:sec> <jats:title>Methods</jats:title> <jats:p>Patients with advanced solid tumors stratified into 5 cohorts received single agent pembrolizumab (anti-programmed cell death-1) 200 mg intravenously every 3 weeks in an investigator-initiated phase II trial (Investigator-Initiated Phase II Study of Pembrolizumab Immunological Response Evaluation study, NCT02644369). Germline whole-exome sequencing of peripheral blood mononuclear cells was performed using the Illumina HiSeq2500 platform. HLA-1 haplotypes were predicted from whole-exome sequencing using HLAminer and HLAVBSeq. Heterozygosity of HLA-A, -B, and -C, individual HLA-1 alleles, and HLA haplotype dimorphism at positions −21 M and −21 T of the HLA-A and -B leader sequence were analyzed as predictors of toxicity defined as grade 2 or greater immune-related adverse events and clinical benefit defined as complete or partial response, or stable disease for 6 or more cycles of pembrolizumab. Statistical significance tests were 2-sided.</jats:p> </jats:sec> <jats:sec> <jats:title>Results</jats:title> <jats:p>In the overall cohort of 101 patients, the frequency of toxicity and clinical benefit from pembrolizumab was 22.8% and 25.7%, respectively. There was no association between any of the HLA-1 loci or alleles with toxicity. HLA-C heterozygosity had an association with decreased clinical benefit relative to HLA-C homozygosity when controlling for cohort (odds ratio = 0.28, 95% confidence interval = 0.09 to 0.91, P = .04). HLA-A and -B haplotype −21 M/T dimorphism and heterozygosity of HLA-A, -B, and -C were not predictive of outcomes.</jats:p> </jats:sec> <jats:sec> <jats:title>Conclusions</jats:title> <jats:p>HLA-C heterozygosity may predict decreased response to pembrolizumab. Prospective validation is required.</jats:p> </jats:sec> Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis JNCI Cancer Spectrum
doi_str_mv 10.1093/jncics/pkaa115
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source_id 49
title Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis
title_unstemmed Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis
title_full Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis
title_fullStr Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis
title_full_unstemmed Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis
title_short Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis
title_sort predicting toxicity and response to pembrolizumab through germline genomic hla class 1 analysis
topic Cancer Research
Oncology
url http://dx.doi.org/10.1093/jncics/pkaa115
publishDate 2021
physical
description <jats:title>Abstract</jats:title> <jats:sec> <jats:title>Background</jats:title> <jats:p>Human leukocyte antigen class 1 (HLA-1)–dependent immune activity is linked to autoimmune diseases. HLA-1–dependent CD8+ T cells are required for immune checkpoint blockade antitumor activity. It is unknown if HLA-1 genotype is predictive of toxicity to immune checkpoint blockade.</jats:p> </jats:sec> <jats:sec> <jats:title>Methods</jats:title> <jats:p>Patients with advanced solid tumors stratified into 5 cohorts received single agent pembrolizumab (anti-programmed cell death-1) 200 mg intravenously every 3 weeks in an investigator-initiated phase II trial (Investigator-Initiated Phase II Study of Pembrolizumab Immunological Response Evaluation study, NCT02644369). Germline whole-exome sequencing of peripheral blood mononuclear cells was performed using the Illumina HiSeq2500 platform. HLA-1 haplotypes were predicted from whole-exome sequencing using HLAminer and HLAVBSeq. Heterozygosity of HLA-A, -B, and -C, individual HLA-1 alleles, and HLA haplotype dimorphism at positions −21 M and −21 T of the HLA-A and -B leader sequence were analyzed as predictors of toxicity defined as grade 2 or greater immune-related adverse events and clinical benefit defined as complete or partial response, or stable disease for 6 or more cycles of pembrolizumab. Statistical significance tests were 2-sided.</jats:p> </jats:sec> <jats:sec> <jats:title>Results</jats:title> <jats:p>In the overall cohort of 101 patients, the frequency of toxicity and clinical benefit from pembrolizumab was 22.8% and 25.7%, respectively. There was no association between any of the HLA-1 loci or alleles with toxicity. HLA-C heterozygosity had an association with decreased clinical benefit relative to HLA-C homozygosity when controlling for cohort (odds ratio = 0.28, 95% confidence interval = 0.09 to 0.91, P = .04). HLA-A and -B haplotype −21 M/T dimorphism and heterozygosity of HLA-A, -B, and -C were not predictive of outcomes.</jats:p> </jats:sec> <jats:sec> <jats:title>Conclusions</jats:title> <jats:p>HLA-C heterozygosity may predict decreased response to pembrolizumab. Prospective validation is required.</jats:p> </jats:sec>
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author Iafolla, Marco A J, Yang, Cindy, Chandran, Vinod, Pintilie, Melania, Li, Quan, Bedard, Philippe L, Hansen, Aaron, Lheureux, Stephanie, Spreafico, Anna, Razak, Albiruni A, Hakgor, Sevan, Giesler, Amanda, Pugh, Trevor J, Siu, Lillian L
author_facet Iafolla, Marco A J, Yang, Cindy, Chandran, Vinod, Pintilie, Melania, Li, Quan, Bedard, Philippe L, Hansen, Aaron, Lheureux, Stephanie, Spreafico, Anna, Razak, Albiruni A, Hakgor, Sevan, Giesler, Amanda, Pugh, Trevor J, Siu, Lillian L, Iafolla, Marco A J, Yang, Cindy, Chandran, Vinod, Pintilie, Melania, Li, Quan, Bedard, Philippe L, Hansen, Aaron, Lheureux, Stephanie, Spreafico, Anna, Razak, Albiruni A, Hakgor, Sevan, Giesler, Amanda, Pugh, Trevor J, Siu, Lillian L
author_sort iafolla, marco a j
container_issue 1
container_start_page 0
container_title JNCI Cancer Spectrum
container_volume 5
description <jats:title>Abstract</jats:title> <jats:sec> <jats:title>Background</jats:title> <jats:p>Human leukocyte antigen class 1 (HLA-1)–dependent immune activity is linked to autoimmune diseases. HLA-1–dependent CD8+ T cells are required for immune checkpoint blockade antitumor activity. It is unknown if HLA-1 genotype is predictive of toxicity to immune checkpoint blockade.</jats:p> </jats:sec> <jats:sec> <jats:title>Methods</jats:title> <jats:p>Patients with advanced solid tumors stratified into 5 cohorts received single agent pembrolizumab (anti-programmed cell death-1) 200 mg intravenously every 3 weeks in an investigator-initiated phase II trial (Investigator-Initiated Phase II Study of Pembrolizumab Immunological Response Evaluation study, NCT02644369). Germline whole-exome sequencing of peripheral blood mononuclear cells was performed using the Illumina HiSeq2500 platform. HLA-1 haplotypes were predicted from whole-exome sequencing using HLAminer and HLAVBSeq. Heterozygosity of HLA-A, -B, and -C, individual HLA-1 alleles, and HLA haplotype dimorphism at positions −21 M and −21 T of the HLA-A and -B leader sequence were analyzed as predictors of toxicity defined as grade 2 or greater immune-related adverse events and clinical benefit defined as complete or partial response, or stable disease for 6 or more cycles of pembrolizumab. Statistical significance tests were 2-sided.</jats:p> </jats:sec> <jats:sec> <jats:title>Results</jats:title> <jats:p>In the overall cohort of 101 patients, the frequency of toxicity and clinical benefit from pembrolizumab was 22.8% and 25.7%, respectively. There was no association between any of the HLA-1 loci or alleles with toxicity. HLA-C heterozygosity had an association with decreased clinical benefit relative to HLA-C homozygosity when controlling for cohort (odds ratio = 0.28, 95% confidence interval = 0.09 to 0.91, P = .04). HLA-A and -B haplotype −21 M/T dimorphism and heterozygosity of HLA-A, -B, and -C were not predictive of outcomes.</jats:p> </jats:sec> <jats:sec> <jats:title>Conclusions</jats:title> <jats:p>HLA-C heterozygosity may predict decreased response to pembrolizumab. Prospective validation is required.</jats:p> </jats:sec>
doi_str_mv 10.1093/jncics/pkaa115
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spelling Iafolla, Marco A J Yang, Cindy Chandran, Vinod Pintilie, Melania Li, Quan Bedard, Philippe L Hansen, Aaron Lheureux, Stephanie Spreafico, Anna Razak, Albiruni A Hakgor, Sevan Giesler, Amanda Pugh, Trevor J Siu, Lillian L 2515-5091 Oxford University Press (OUP) Cancer Research Oncology http://dx.doi.org/10.1093/jncics/pkaa115 <jats:title>Abstract</jats:title> <jats:sec> <jats:title>Background</jats:title> <jats:p>Human leukocyte antigen class 1 (HLA-1)–dependent immune activity is linked to autoimmune diseases. HLA-1–dependent CD8+ T cells are required for immune checkpoint blockade antitumor activity. It is unknown if HLA-1 genotype is predictive of toxicity to immune checkpoint blockade.</jats:p> </jats:sec> <jats:sec> <jats:title>Methods</jats:title> <jats:p>Patients with advanced solid tumors stratified into 5 cohorts received single agent pembrolizumab (anti-programmed cell death-1) 200 mg intravenously every 3 weeks in an investigator-initiated phase II trial (Investigator-Initiated Phase II Study of Pembrolizumab Immunological Response Evaluation study, NCT02644369). Germline whole-exome sequencing of peripheral blood mononuclear cells was performed using the Illumina HiSeq2500 platform. HLA-1 haplotypes were predicted from whole-exome sequencing using HLAminer and HLAVBSeq. Heterozygosity of HLA-A, -B, and -C, individual HLA-1 alleles, and HLA haplotype dimorphism at positions −21 M and −21 T of the HLA-A and -B leader sequence were analyzed as predictors of toxicity defined as grade 2 or greater immune-related adverse events and clinical benefit defined as complete or partial response, or stable disease for 6 or more cycles of pembrolizumab. Statistical significance tests were 2-sided.</jats:p> </jats:sec> <jats:sec> <jats:title>Results</jats:title> <jats:p>In the overall cohort of 101 patients, the frequency of toxicity and clinical benefit from pembrolizumab was 22.8% and 25.7%, respectively. There was no association between any of the HLA-1 loci or alleles with toxicity. HLA-C heterozygosity had an association with decreased clinical benefit relative to HLA-C homozygosity when controlling for cohort (odds ratio = 0.28, 95% confidence interval = 0.09 to 0.91, P = .04). HLA-A and -B haplotype −21 M/T dimorphism and heterozygosity of HLA-A, -B, and -C were not predictive of outcomes.</jats:p> </jats:sec> <jats:sec> <jats:title>Conclusions</jats:title> <jats:p>HLA-C heterozygosity may predict decreased response to pembrolizumab. Prospective validation is required.</jats:p> </jats:sec> Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis JNCI Cancer Spectrum
spellingShingle Iafolla, Marco A J, Yang, Cindy, Chandran, Vinod, Pintilie, Melania, Li, Quan, Bedard, Philippe L, Hansen, Aaron, Lheureux, Stephanie, Spreafico, Anna, Razak, Albiruni A, Hakgor, Sevan, Giesler, Amanda, Pugh, Trevor J, Siu, Lillian L, JNCI Cancer Spectrum, Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis, Cancer Research, Oncology
title Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis
title_full Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis
title_fullStr Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis
title_full_unstemmed Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis
title_short Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis
title_sort predicting toxicity and response to pembrolizumab through germline genomic hla class 1 analysis
title_unstemmed Predicting Toxicity and Response to Pembrolizumab Through Germline Genomic HLA Class 1 Analysis
topic Cancer Research, Oncology
url http://dx.doi.org/10.1093/jncics/pkaa115