Afatinib and Pembrolizumab for Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma (ALPHA Study): A Phase II Study with Biomarker Analysis
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PROVIDER: PRJNA787590 | ENA |
REPOSITORIES: ENA
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Project description:Afatinib may augment pembrolizumab therapy and improve the ORR in HNSCC patients. The paired tissue analysis showed that afatinib, an epidermal growth factor (EGFR) tyrosine kinase inhibitor, may enhance antigen presentation, natural killer cell–mediated cytotoxicity, and immune reactions. We also identified unaltered methyl-thioadenosine phosphorylase (MTAP) levels, EGFR amplification, and high programmed death-ligand 1 expression as possible predictive biomarkers for therapeutic outcomes.
2021-12-10 | GSE190575 | GEO
Project description:PurposeEGFR pathway inhibition may promote anti-programmed cell death protein 1 (PD-1) responses in preclinical models, but how EGFR inhibition affects tumor antigen presentation during anti-PD-1 monotherapy in humans remain unknown. We hypothesized that afatinib, an irreversible EGFR tyrosine kinase inhibitor, would improve outcomes in patients treated with pembrolizumab for recurrent or metastatic head and neck squamous cell carcinoma (HNSCC) by promoting antigen presentation and immune activation in the tumor microenvironment.Patients and methodsThe ALPHA study (NCT03695510) was a single-arm, Phase II study with Simon's 2-stage design. Afatinib and pembrolizumab were administered to patients with platinum-refractory, recurrent, or metastatic HNSCC. The primary endpoint was the objective response rate (ORR). The study applied gene expression analysis using a NanoString PanCancer Immune Profiling Panel and next-generation sequencing using FoundationOne CDx.ResultsFrom January 2019 to March 2020, the study enrolled 29 eligible patients. Common treatment-related adverse events were skin rash (75.9%), diarrhea (58.6%), and paronychia (44.8%). Twelve patients (41.4%) had an objective partial response to treatment. The median progression-free survival was 4.1 months, and the median overall survival was 8.9 months. In a paired tissue analysis, afatinib-pembrolizumab were found to upregulate genes involved in antigen presentation, immune activation, and natural killer cell-mediated cytotoxicity. Unaltered methylthioadenosine phosphorylase and EGFR amplification may predict the clinical response to the therapy.ConclusionsAfatinib may augment pembrolizumab therapy and improve the ORR in patients with HNSCC. Bioinformatics analysis suggested the enhancement of antigen presentation machinery in the tumor microenvironment.
| S-EPMC9306266 | biostudies-literature
Project description:Afatinib is a pan-HER inhibitor that improved progression-free-survival (PFS) in recurrent HNSCC versus methotrexate: median PFS 2.6 versus 1.7 months (LUX H&N 1 trial). This study is a translational research linked to EORTC 90111 afatinib trial, an open-label, randomized, multicenter, phase II window of opportunity trial. Treatment-naïve HNSCC patients selected for primary curative surgery were randomized (5:1 ratio) to receive Afatinib during 14 days (day -15 until day -1) before surgery (day 0) or no treatment. Tumour biopsies, FDG/PET, and MRI were performed at diagnosis and at surgery. The primary end point was metabolic FDG-PET/CT response, defined according to EORTC guidelines.
2019-01-23 | GSE101491 | GEO
Project description:The EORTC-90111-24111 window study included treatment-naïve patients with primary HNSCC receiving afatinib versus no preoperative treatment. We found that treated patients had an increase in tumor CD3+ density and CD3+ and CD8+ T-cell infiltration compared to control patients. Afatinib- exposed tumor had upregulation of gene expression signatures predictive of response to PD-1 blockade. Also, we observed two clusters among treated patients. Cluster 1 showed a higher expression of markers and gene sets implicated in epithelial-to-mesenchymal transition and cancer-associated fibroblasts activation after afatinib compared to cluster 2 and controls. These results open perspectives to overcome resistance mechanisms to anti-HER therapy and to potentiate the activity of immune checkpoint inhibitors.
2023-07-25 | GSE235910 | GEO
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2023-05-16 | GSE226976 | GEO
Project description:Relapsed and/or metastatic head and neck squamous cell carcinoma (R/M HNSCC) is a heterogeneous disease previously associated with poor prognosis and limited treatment options until the advent and implementation of immune checkpoint inhibitors (ICIs). The fully humanized monoclonal antibody pembrolizumab alone, or in combination with chemotherapy, was shown to have significantly improved overall survival (OS) when compared to the standard of care (SOC) EXTREME regimen consisting of the monoclonal antibody cetuximab combined with a platinum and 5-fluorouracil. Pembrolizumab with or without chemotherapy will soon supplant the EXTREME regimen that has been in use for over a decade. Given the fast-approaching significant change in the treatment algorithm for R/M HNSCC and the novelty of ICIs in general, it is important to review the literature to date to understand how this rapidly growing treatment class has come about and explore potential areas of research for the plethora of questions that remain unanswered in selecting patients appropriate for treatment with ICIs in the R/M setting. In this review, we explore the landmark trials leading to the use of ICIs for R/M HNSCC with a particular focus on pembrolizumab, the most well-studied ICI in this setting. We also provide an overview of the rationale behind the use of ICIs in relation to the immune system and challenges surrounding tumor heterogeneity and PD-L1 expression status, human papilloma virus (HPV) and the efficacy of ICI, potential of radiation therapy for enhancement of ICI response, and complications of immune-related adverse events (irAEs).
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Project description:Effective treatments for advanced/recurrent head and neck squamous-cell carcinoma are limited. For cases not curable by conventional local therapies, the immune checkpoint inhibitor pembrolizumab shows modest response rates. Quad-shot, a hypofractionated palliative radiotherapy regimen (14.8 Gy in four twice-daily fractions), can provide symptomatic relief, contributes to local control and may potentiate the effects of immune checkpoint inhibitors. In this study, 15 patients with advanced/recurrent head and neck squamous-cell carcinoma will be treated with pembrolizumab combined with up to three administrations of quad-shot before cycles four, eight and 13. Outcomes include disease response, survival and treatment toxicity. Correlative multiomics analysis of blood and saliva will identify molecular biomarkers of response to immune checkpoint inhibitor and the immune-related impact of quad-shot. Clinical trial registration: This study (WFBCCC 60320) is registered on NCT04454489 (ClinicalTrials.gov).
| S-EPMC10463211 | biostudies-literature
Project description:BackgroundAfatinib is an oral, irreversible ErbB family blocker that has shown activity in epidermal growth factor receptor (EGFR)-mutated lung cancer. We hypothesized that the agent would have greater antitumor activity compared with cetuximab in recurrent or metastatic (R/M) head and neck squamous cell carcinoma (HNSCC) patients, whose disease has progressed after platinum-containing therapy.Patients and methodsAn open-label, randomized, phase II trial was conducted in 43 centers; 124 patients were randomized (1 : 1) to either afatinib (50 mg/day) or cetuximab (250 mg/m(2)/week) until disease progression or intolerable adverse events (AEs) (stage I), with optional crossover (stage II). The primary end point was tumor shrinkage before crossover assessed by investigator (IR) and independent central review (ICR).ResultsA total of 121 patients were treated (61 afatinib, 60 cetuximab) and 68 crossed over to stage II (32 and 36 respectively). In stage I, mean tumor shrinkage by IR/ICR was 10.4%/16.6% with afatinib and 5.4%/10.1% with cetuximab (P = 0.46/0.30). Objective response rate was 16.1%/8.1% with afatinib and 6.5%/9.7% with cetuximab (IR/ICR). Comparable disease control rates were observed with afatinib (50%) and cetuximab (56.5%) by IR; similar results were seen by ICR. Most common grade ≥3 drug-related AEs (DRAEs) were rash/acne (18% versus 8.3%), diarrhea (14.8% versus 0%), and stomatitis/mucositis (11.5% versus 0%) with afatinib and cetuximab, respectively. Patients with DRAEs leading to treatment discontinuation were 23% with afatinib and 5% with cetuximab. In stage II, disease control rate (IR/ICR) was 38.9%/33.3% with afatinib and 18.8%/18.8% with cetuximab.ConclusionAfatinib showed antitumor activity comparable to cetuximab in R/M HNSCC in this exploratory phase II trial, although more patients on afatinib discontinued treatment due to AEs. Sequential EGFR/ErbB treatment with afatinib and cetuximab provided sustained clinical benefit in patients after crossover, suggesting a lack of cross-resistance.
| S-EPMC4143093 | biostudies-literature
Project description:BackgroundHere, we report the results of the Japanese subgroup of the phase 3 KEYNOTE-048 study of pembrolizumab alone, pembrolizumab plus platinum and 5-fluorouracil (pembrolizumab-chemotherapy), or cetuximab plus platinum and 5-fluorouracil (EXTREME) in previously untreated recurrent/metastatic (R/M) head and neck squamous cell carcinoma (HNSCC).MethodsPrimary end points were overall survival (OS) and progression-free survival (PFS). Efficacy was evaluated in patients with PD-L1 combined positive score (CPS) ≥ 20 and ≥ 1 and the total Japanese subgroup (n = 67).ResultsAt data cutoff (25 February 2019), pembrolizumab led to longer OS versus EXTREME in the PD-L1 CPS ≥ 20 subgroup (median, 28.2 vs. 13.3 months; HR, 0.29 [95% CI 0.09-0.89]) and to similar OS in the total Japanese (23.4 vs. 13.6 months; HR, 0.51 [95% CI 0.25-1.05]) and CPS ≥ 1 subgroups (22.6 vs. 15.8 months; HR, 0.66 [95% CI 0.31-1.41]). Pembrolizumab-chemotherapy led to similar OS versus EXTREME in the PD-L1 CPS ≥ 20 (median, 18.1 vs. 15.8 months; HR, 0.72 [95% CI 0.23-2.19]), CPS ≥ 1 (12.6 vs. 15.8 months; HR, 1.19 [95% CI 0.55-2.58]), and total Japanese subgroups (12.6 vs. 13.3 months; unadjusted HR, 1.10 [95% CI 0.55-2.22]). Median PFS was similar for pembrolizumab and pembrolizumab-chemotherapy versus EXTREME in all subgroups. Grades 3-5 treatment-related adverse events occurred in 5 (22%), 19 (76%), and 17 (89%) patients receiving pembrolizumab, pembrolizumab-chemotherapy, and EXTREME, respectively. One patient receiving pembrolizumab-chemotherapy died because of treatment-related pneumonitis.ConclusionThese results support the use of first-line pembrolizumab and pembrolizumab-chemotherapy for Japanese patients with R/M HNSCC. Clinical trial registry ClinicalTrials.gov, NCT02358031.
| S-EPMC9700657 | biostudies-literature