2例转移性黏液表皮样唾液腺癌对检查点抑制剂治疗的延长反应:一项研究报告

IF 1.8 Q3 MEDICINE, RESEARCH & EXPERIMENTAL

Cold Spring Harbor Molecular Case Studies Pub Date : 2022-04-01 DOI:10.1101/mcs.a006189

Rebecca R Pharaon, T. Gernon, Sue Chang, N. Vora, V. Villaflor, D. Bell, M. Afkhami, A. Amini, S. Sampath, R. Kang, E. Maghami, E. Massarelli

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引用次数: 3

摘要

唾液腺肿瘤(sgt)是一种异质性肿瘤，从良性肿块到具有远处转移潜力的侵袭性高级别癌，对化疗的反应有限。粘液表皮样癌(MEC)占sgt的10%，预后较差。在本研究报告中，我们描述了两例转移性高级别mec患者对免疫检查点抑制剂派姆单抗的长期反应。病例1表现为左颈部肿块，腮腺肿块活检显示MEC。患者接受手术切除和辅助放化疗的IVB期疾病。治疗后，她被发现有脑和脊柱转移，并被放置在派姆单抗。病例2表现为左颈部肿块，右腮腺活检显示MEC。进一步的分期显示肺部转移性疾病，他接受了派姆单抗治疗。两例MEC均表现出对派姆单抗延长的颅外反应。尽管这两例病例都报告了很少或没有PD-L1表达，但这些结果表明免疫治疗对晚期/转移性MEC有效。

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Prolonged response to checkpoint inhibitor therapy in two metastatic mucoepidermoid salivary gland carcinoma cases: a research report

Salivary gland tumors (SGTs) are heterogeneous tumors that range from benign masses to aggressive high-grade carcinomas with distant metastatic potential and limited response to chemotherapy. Mucoepidermoid carcinoma (MEC) accounts for 10% of SGTs and has a poor prognosis. In this research report, we describe two cases of metastatic high-grade MECs with prolonged response to immune checkpoint inhibitor pembrolizumab. Case 1 presented with a left neck mass, and biopsy of the parotid mass revealed MEC. The patient underwent surgical resection and adjuvant chemoradiation therapy for stage IVB disease. Post-treatment, she was found to have brain and spinal metastases and was placed on pembrolizumab. Case 2 presented with a left neck mass, and biopsy of the right parotid gland revealed MEC. Further staging demonstrated metastatic disease in the lungs, and he was placed on pembrolizumab. Both cases of MEC demonstrated prolonged extracranial responses to pembrolizumab. Although both cases reported little to no PD-L1 expression, these results demonstrate immunotherapy efficacy in advanced/metastatic MEC.

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来源期刊

Cold Spring Harbor Molecular Case Studies MEDICINE, RESEARCH & EXPERIMENTAL-

CiteScore

3.20

自引率

0.00%

发文量

期刊介绍： Cold Spring Harbor Molecular Case Studies is an open-access, peer-reviewed, international journal in the field of precision medicine. Articles in the journal present genomic and molecular analyses of individuals or cohorts alongside their clinical presentations and phenotypic information. The journal''s purpose is to rapidly share insights into disease development and treatment gained by application of genomics, proteomics, metabolomics, biomarker analysis, and other approaches. The journal covers the fields of cancer, complex diseases, monogenic disorders, neurological conditions, orphan diseases, infectious disease, gene therapy, and pharmacogenomics. It has a rapid peer-review process that is based on technical evaluation of the analyses performed, not the novelty of findings, and offers a swift, clear path to publication. The journal publishes: Research Reports presenting detailed case studies of individuals and small cohorts, Research Articles describing more extensive work using larger cohorts and/or functional analyses, Rapid Communications presenting the discovery of a novel variant and/or novel phenotype associated with a known disease gene, Rapid Cancer Communications presenting the discovery of a novel variant or combination of variants in a cancer type, Variant Discrepancy Resolution describing efforts to resolve differences or update variant interpretations in ClinVar through case-level data sharing, Follow-up Reports linked to previous observations, Plus Review Articles, Editorials, and Position Statements on best practices for research in precision medicine.