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Hansen PS, Graversen M, Detlefsen S, Mortensen MB. Review on treatment of pleural metastasis and malignant pleural effusion with Pressurized IntraThoracic Aerosol Chemotherapy (PITAC). Pleura Peritoneum 2024; 9:47-53. [PMID: 38948327 PMCID: PMC11211649 DOI: 10.1515/pp-2023-0048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 03/05/2024] [Indexed: 07/02/2024] Open
Abstract
Background Malignant pleural effusion (MPE) is a common and debilitating condition seen in advanced cancer disease, and life-expectancy is short. Symptoms include pain and severe shortness of breath. Current first-line treatment options include pleural drainage using catheters as well as pleurodesis. However, these treatment modalities are often inefficient and patients need repeated procedures. Pressurized IntraThoracic Aerosol Chemotherapy (PITAC) is a minimally invasive procedure, where antineoplastic agents are nebulized under pressure into the pleural space. Content We present the preliminary safety, feasibility, and response assessment data for PITAC based on a comprehensive literature review. Summary Five retrospective studies reported data on 38 PITACs in 21 patients. Data were heterogeneous and incomplete on several important aspects such as procedure, safety, local effect and long-term outcomes. PITAC seems technically feasible with a low risk of complications and may provide some reduction in MPE in selected cases. Outlook PITAC seems feasible, but prospective phase I and II studies are needed to define safety, indications, and efficacy.
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Affiliation(s)
- Pernille Schjødt Hansen
- Odense PIPAC Center (OPC) and Odense Pancreas Center (OPAC), Odense University Hospital, Odense, Denmark
| | - Martin Graversen
- Odense PIPAC Center (OPC) and Odense Pancreas Center (OPAC), Odense University Hospital, Odense, Denmark
- Department of Surgery, HPB and Upper GI Section, Odense University Hospital, Odense, Denmark
| | - Sönke Detlefsen
- Odense PIPAC Center (OPC) and Odense Pancreas Center (OPAC), Odense University Hospital, Odense, Denmark
- Institute of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
- Department of Pathology, Odense University Hospital, Odense, Denmark
| | - Michael Bau Mortensen
- Odense PIPAC Center (OPC) and Odense Pancreas Center (OPAC), Odense University Hospital, Odense, Denmark
- Department of Surgery, HPB and Upper GI Section, Odense University Hospital, Odense, Denmark
- Institute of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
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Fan Y, Chen A, Zhu J, Liu R, Mei Y, Li L, Sha X, Wang X, Ren W, Wang L, Liu B. Engineered lactococcus lactis intrapleural therapy promotes regression of malignant pleural effusion by enhancing antitumor immunity. Cancer Lett 2024; 588:216777. [PMID: 38432582 DOI: 10.1016/j.canlet.2024.216777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 02/14/2024] [Accepted: 02/29/2024] [Indexed: 03/05/2024]
Abstract
Intrapleural immunotherapies have emerged as a prominent field in treating malignant pleural effusion (MPE). Among these, bacteria-based intrapleural therapy has exerted an anti-MPE effect by immuno-stimulating or cytotoxic properties. We previously engineered a probiotic Lactococcus lactis (FOLactis) expressing a fusion protein of Fms-like tyrosine kinase 3 and co-stimulator OX40 ligands. FOLactis activates tumor antigen-specific immune responses and displays systemic antitumor efficacy via intratumoral delivery. However, no available lesions exist in the pleural cavity of patients with MPE for intratumoral administration. Therefore, we further optimize FOLactis to treat MPE through intrapleural injection. Intrapleural administration of FOLactis (I-Pl FOLactis) not only distinctly suppresses MPE and pleural tumor nodules, but also significantly extends noticeable survival in MPE-bearing murine models. The proportion of CD103+ dendritic cells (DCs) in tumor-draining lymph nodes increases three-fold in FOLactis group, compared to the wild-type bacteria group. The enhanced DCs recruitment promotes the infiltration of effector memory T and CD8+ T cells, as well as the activation of NK cells and the polarization of macrophages to M1. Programmed death 1 blockade antibody combination further enhances the antitumor efficacy of I-Pl FOLactis. In summary, we first develop an innovative intrapleural strategy based on FOLactis, exhibiting remarkable efficacy and favorable biosafety profiles. These findings suggest prospective clinical translation of engineered probiotics for managing MPE through direct administration into the pleural cavity.
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Affiliation(s)
- Yue Fan
- The Comprehensive Cancer Centre, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, 321 Zhongshan Road, Nanjing, 210008, China; The Clinical Cancer Institute of Nanjing University, Nanjing, China; The Comprehensive Cancer Centre, China Pharmaceutical University Nanjing Drum Tower Hospital, 321 Zhongshan Road, Nanjing, 210008, China
| | - Aoxing Chen
- The Clinical Cancer Institute of Nanjing University, Nanjing, China; Department of Oncology, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, 321 Zhongshan Road, Nanjing, 210008, China
| | - Junmeng Zhu
- The Comprehensive Cancer Centre, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, 321 Zhongshan Road, Nanjing, 210008, China; The Clinical Cancer Institute of Nanjing University, Nanjing, China
| | - Rui Liu
- The Comprehensive Cancer Centre, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, 321 Zhongshan Road, Nanjing, 210008, China; The Clinical Cancer Institute of Nanjing University, Nanjing, China; The Comprehensive Cancer Centre, China Pharmaceutical University Nanjing Drum Tower Hospital, 321 Zhongshan Road, Nanjing, 210008, China
| | - Yi Mei
- The Comprehensive Cancer Centre, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, 321 Zhongshan Road, Nanjing, 210008, China; The Clinical Cancer Institute of Nanjing University, Nanjing, China
| | - Lin Li
- Department of Oncology, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, 321 Zhongshan Road, Nanjing, 210008, China; Department of Pathology, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, China
| | - Xiaoxuan Sha
- The Comprehensive Cancer Centre, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, 321 Zhongshan Road, Nanjing, 210008, China; The Clinical Cancer Institute of Nanjing University, Nanjing, China
| | - Xiaonan Wang
- The Comprehensive Cancer Centre, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, 321 Zhongshan Road, Nanjing, 210008, China; The Clinical Cancer Institute of Nanjing University, Nanjing, China; The Comprehensive Cancer Centre, China Pharmaceutical University Nanjing Drum Tower Hospital, 321 Zhongshan Road, Nanjing, 210008, China
| | - Wei Ren
- The Comprehensive Cancer Centre, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, 321 Zhongshan Road, Nanjing, 210008, China; The Clinical Cancer Institute of Nanjing University, Nanjing, China
| | - Lifeng Wang
- The Comprehensive Cancer Centre, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, 321 Zhongshan Road, Nanjing, 210008, China; The Clinical Cancer Institute of Nanjing University, Nanjing, China.
| | - Baorui Liu
- The Comprehensive Cancer Centre, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, 321 Zhongshan Road, Nanjing, 210008, China; The Clinical Cancer Institute of Nanjing University, Nanjing, China.
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Zhan W, Hu H, Hao B, Zhu H, Yan T, Zhang J, Wang S, Liu S, Zhang T. Development of machine learning-based malignant pericardial effusion-related model in breast cancer: Implications for clinical significance, tumor immune and drug-therapy. Heliyon 2024; 10:e27507. [PMID: 38463870 PMCID: PMC10923851 DOI: 10.1016/j.heliyon.2024.e27507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 01/30/2024] [Accepted: 02/29/2024] [Indexed: 03/12/2024] Open
Abstract
Background Malignant pericardial effusion (MPE) is a common complication of advanced breast cancer (BRCA) and plays an important role in BRCA. This study is aims to construct a prognostic model based on MPE-related genes for predicting the prognosis of breast cancer. Methods The BRCA samples are analyzed based on the expression of MPE-related genes by using an unsupervised cluster analysis method. This study processes the data by least absolute shrinkage and selection operator and multivariate Cox analysis, and uses machine learning algorithms to construct BRCA prognostic model and develop web tool. Results BRCA patients are classified into three clusters and a BRCA prognostic model is constructed containing 9 MPE-related genes. There are significant differences in signature pathways, immune infiltration, immunotherapy response and drug sensitivity testing between the high and low-risk groups. Of note, a web-based tool (http://wys.helyly.top/cox.html) is developed to predict overall survival as well as drug-therapy response of BRCA patients quickly and conveniently, which can provide a basis for clinicians to formulate individualized treatment plans. Conclusion The MPE-related prognostic model developed in this study can be used as an effective tool for predicting the prognosis of BRCA and provides new insights for the diagnosis and treatment of BRCA patients.
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Affiliation(s)
- Wendi Zhan
- School of Pharmacy, Hengyang Medical College, University of South China, 28 Western Changsheng Road, Hengyang, Hunan, 421001, China
- Department of Pharmacy, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Haihong Hu
- School of Pharmacy, Hengyang Medical College, University of South China, 28 Western Changsheng Road, Hengyang, Hunan, 421001, China
- Department of Pharmacy, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Bo Hao
- Department of Pharmacy, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Hongxia Zhu
- School of Pharmacy, Hengyang Medical College, University of South China, 28 Western Changsheng Road, Hengyang, Hunan, 421001, China
- Department of Pharmacy, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Ting Yan
- Department of Breast and Thyroid Surgery, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Jingdi Zhang
- School of Pharmacy, Hengyang Medical College, University of South China, 28 Western Changsheng Road, Hengyang, Hunan, 421001, China
- Department of Pharmacy, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Siyu Wang
- Department of Medical Oncology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Saiyang Liu
- Shandong University of Traditional Chinese Medicine, Jinan, Shandong, 250355, China
| | - Taolan Zhang
- Department of Pharmacy, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
- Phase I Clinical Trial Center, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
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Zeng H, Zhang Y, Tan S, Huang Q, Pu X, Tian P, Li Y. Efficacy of bevacizumab through an indwelling pleural catheter in non-small cell lung cancer patients with symptomatic malignant pleural effusion. BMC Pulm Med 2024; 24:89. [PMID: 38365707 PMCID: PMC10874116 DOI: 10.1186/s12890-024-02886-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 01/26/2024] [Indexed: 02/18/2024] Open
Abstract
BACKGROUND Several studies have indicated that intrapleural infusion of bevacizumab is an effective treatment for non-small cell lung cancer (NSCLC) with malignant pleural effusion (MPE). However, the impact of bevacizumab administered through an indwelling pleural catheter (IPC) on the prognosis of these patients is unknown. METHODS Consecutive advanced NSCLC patients with symptomatic MPE receiving an IPC alone or bevacizumab through an IPC were identified in a tertiary hospital. The patient characteristics and clinical outcomes were collected. RESULTS A total of 149 patients were included, and the median age was 60.3 years. Males and nonsmokers accounted for 48.3% and 65.8%, respectively. A total of 69.8% (104/149) of patients harbored actionable mutations, including 92 EGFR-activating mutations, 11 ALK fusions, and 1 ROS1 fusion. A total of 81.9% (122/149) of patients received IPC alone, and 18.1% (27/149) received bevacizumab through an IPC. The incidence of spontaneous pleurodesis during the first 6 months was greater in the bevacizumab-treated group than in the IPC-treated group in the subgroup with actionable mutations (64.3% vs. 46.9%, P = 0.28). The median overall survival (OS) in patients with actionable mutations treated with bevacizumab through an IPC was 42.2 months, which was significantly longer than the 26.7 months in patients who received an IPC alone (P = 0.045). However, the median OS did not differ between the two arms in the subgroup without actionable mutations (10.8 vs. 41.0 months, P = 0.24). No significant difference between the bevacizumab through an IPC group and the IPC group was detected in the number of participants who had adverse events, either in patients with actionable mutations (14.3% vs. 8.4%; P = 0.42) or in patients without actionable mutations (16.7% vs. 12.8%; P = 1.00). CONCLUSIONS Bevacizumab through an IPC resulted in a significantly improved prognosis for NSCLC patients with MPE and actionable mutations. However, patients without actionable mutations do not benefit from bevacizumab through IPC.
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Affiliation(s)
- Hao Zeng
- Lung Cancer Center/Lung Cancer Institute, West China Hospital , Sichuan University, No. 37 GuoXue Alley, 610041, Chengdu, Sichuan Province, China
| | - Yuanyuan Zhang
- Lung Cancer Center/Lung Cancer Institute, West China Hospital , Sichuan University, No. 37 GuoXue Alley, 610041, Chengdu, Sichuan Province, China
| | - Sihan Tan
- Lung Cancer Center/Lung Cancer Institute, West China Hospital , Sichuan University, No. 37 GuoXue Alley, 610041, Chengdu, Sichuan Province, China
| | - Qin Huang
- Lung Cancer Center/Lung Cancer Institute, West China Hospital , Sichuan University, No. 37 GuoXue Alley, 610041, Chengdu, Sichuan Province, China
| | - Xin Pu
- Lung Cancer Center/Lung Cancer Institute, West China Hospital , Sichuan University, No. 37 GuoXue Alley, 610041, Chengdu, Sichuan Province, China
| | - Panwen Tian
- Lung Cancer Center/Lung Cancer Institute, West China Hospital , Sichuan University, No. 37 GuoXue Alley, 610041, Chengdu, Sichuan Province, China.
- Department of Pulmonary and Critical Care Medicine, State Key Laboratory of Respiratory Health and Multimorbidity, Precision Medicine Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, 610041, Chengdu, Sichuan, China.
| | - Yalun Li
- Lung Cancer Center/Lung Cancer Institute, West China Hospital , Sichuan University, No. 37 GuoXue Alley, 610041, Chengdu, Sichuan Province, China.
- Department of Pulmonary and Critical Care Medicine, State Key Laboratory of Respiratory Health and Multimorbidity, Precision Medicine Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, 610041, Chengdu, Sichuan, China.
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5
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Bixby B, Vrba L, Lenka J, Oshiro MM, Watts GS, Hughes T, Erickson H, Chopra M, Knepler JL, Knox KS, Jarnagin L, Alalawi R, Kala M, Bernert R, Routh J, Roe DJ, Garland LL, Futscher BW, Nelson MA. Cell-free DNA methylation analysis as a marker of malignancy in pleural fluid. Sci Rep 2024; 14:2939. [PMID: 38316884 PMCID: PMC10844328 DOI: 10.1038/s41598-024-53132-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 01/29/2024] [Indexed: 02/07/2024] Open
Abstract
Diagnosis of malignant pleural effusion (MPE) is made by cytological examination of pleural fluid or histological examination of pleural tissue from biopsy. Unfortunately, detection of malignancy using cytology has an overall sensitivity of 50%, and is dependent upon tumor load, volume of fluid assessed, and cytopathologist experience. The diagnostic yield of pleural fluid cytology is also compromised by low abundance of tumor cells or when morphology is obscured by inflammation or reactive mesothelial cells. A reliable molecular marker that may complement fluid cytology for the diagnosis of malignant pleural effusion is needed. The purpose of this study was to establish a molecular diagnostic approach based on pleural effusion cell-free DNA methylation analysis for the differential diagnosis of malignant pleural effusion and benign pleural effusion. This was a blind, prospective case-control biomarker study. We recruited 104 patients with pleural effusion for the study. We collected pleural fluid from patients with: MPE (n = 48), indeterminate pleural effusion in subjects with known malignancy or IPE (n = 28), and benign PE (n = 28), and performed the Sentinel-MPE liquid biopsy assay. The methylation level of Sentinel-MPE was markedly higher in the MPE samples compared to BPE control samples (p < 0.0001) and the same tendency was observed relative to IPE (p = 0.004). We also noted that the methylation signal was significantly higher in IPE relative to BPE (p < 0.001). We also assessed the diagnostic efficiency of the Sentinel-MPE test by performing receiver operating characteristic analysis (ROC). For the ROC analysis we combined the malignant and indeterminate pleural effusion groups (n = 76) and compared against the benign group (n = 28). The detection sensitivity and specificity of the Sentinel-MPE test was high (AUC = 0.912). The Sentinel-MPE appears to have better performance characteristics than cytology analysis. However, combining Sentinel-MPE with cytology analysis could be an even more effective approach for the diagnosis of MPE. The Sentinel-MPE test can discriminate between BPE and MPE. The Sentinel-MPE liquid biopsy test can detect aberrant DNA in several different tumor types. The Sentinel-MPE test can be a complementary tool to cytology in the diagnosis of MPE.
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Affiliation(s)
- Billie Bixby
- Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of Arizona, Tucson, USA
| | | | - Jyoti Lenka
- Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of Arizona, Tucson, USA
| | - Marc M Oshiro
- Boyer Liver Institute, Department of Medicine, University of Arizona, Tucson, USA
| | - George S Watts
- Department of Pharmacology and Toxicology, University of Arizona, Tucson, USA
| | - Trina Hughes
- Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of Arizona, Tucson, USA
| | - Heidi Erickson
- Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of Arizona, Tucson, USA
| | - Madhav Chopra
- Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of Arizona, Tucson, USA
| | - James L Knepler
- Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of Arizona, Tucson, USA
| | - Kenneth S Knox
- Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of Arizona, Phoenix, USA
| | - Lisa Jarnagin
- Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of Arizona, Phoenix, USA
| | - Raed Alalawi
- Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of Arizona, Phoenix, USA
| | - Mrinalini Kala
- Department of Internal Medicine, University of Arizona, Phoenix, USA
| | | | | | - Denise J Roe
- Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, USA
| | - Linda L Garland
- Hematology Oncology, Department of Medicine, University of Arizona, Tucson, USA
| | - Bernard W Futscher
- Department of Pharmacology and Toxicology, University of Arizona, Tucson, USA
| | - Mark A Nelson
- Department of Pathology, University of Arizona, Tucson, AZ, 85724, USA.
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Lv LL, Wang HB, Zhang YX, Zhai JW, Shen Y, Qu QX, Chen C. CD39 identifies a specific CD8 + T cell population in lung adenocarcinoma-related metastatic pleural effusion. BMC Immunol 2023; 24:53. [PMID: 38087217 PMCID: PMC10717623 DOI: 10.1186/s12865-023-00590-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 11/27/2023] [Indexed: 12/18/2023] Open
Abstract
Malignant pleural effusion (MPE), which is a complex microenvironment that contains numerous immune and tumour signals, is common in lung cancer. Gene alterations, such as driver gene mutations, are believed to affect the components of tumour immunity in the microenvironment (TIME) of non-small-cell lung cancer. In this study, we have shown that pleural CD39 + CD8 + T cells are selectively elevated in lung adenocarcinoma (LUAD) with wild-type epidermal growth factor receptor (EGFRwt) compared to those with newly diagnosed mutant EGFR (EGFRmu). Furthermore, these CD39 + CD8 + T cells are more prevalent in MPE with acquired resistance to EGFR-tyrosine kinase inhibitors (AR-EGFR-TKIs). Our analysis reveals that pleural CD39 + CD8 + T cells exhibit an exhausted phenotype while still retaining cytolytic function. Additionally, they have a higher T cell receptor (TCR) repertoire clonality compared to CD39-CD8 + T cells, which is a unique characteristic of LUAD-related MPE. Further investigation has shown that TCR-Vβ clonality tends to be more enhanced in pleural CD39 + CD8 + T cells from MPE with AR-EGFR-TKIs. In summary, we have identified a subset of CD8 + T cells expressing CD39 in MPE, which may potentially be tumour-reactive CD8 + T cells. This study provides new insights into the dynamic immune composition of the EGFRmu tumour microenvironment.
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Affiliation(s)
- Lei-Lei Lv
- Department of Respiratory and Critical Medicine, The First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, China
| | - Hong-Bin Wang
- Department of Respiratory and Critical Medicine, The First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, China
| | - Yao-Xin Zhang
- Department of Respiratory and Critical Medicine, The First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, China
| | - Jia-Wei Zhai
- Department of Respiratory and Critical Medicine, The First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, China
| | - Yu Shen
- Clinical Immunology Institute, The First Affiliated Hospital of Soochow University, 178 Ganjiang Road, Suzhou, 215006, China
| | - Qiu-Xia Qu
- Clinical Immunology Institute, The First Affiliated Hospital of Soochow University, 178 Ganjiang Road, Suzhou, 215006, China.
| | - Cheng Chen
- Department of Respiratory and Critical Medicine, The First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, China.
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Núñez-Jurado D, Rodríguez-Martín I, Guerrero JM, Santotoribio JD. LDH/ADA ratio in pleural fluid for the diagnosis of infectious pleurisy. Clin Exp Med 2023; 23:5201-5213. [PMID: 37747590 DOI: 10.1007/s10238-023-01194-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 09/10/2023] [Indexed: 09/26/2023]
Abstract
Pleural effusion (PE) is a common medical concern, often requiring thoracentesis for a definitive diagnosis. An elevated pleural fluid adenosine deaminase (ADA) may indicate tuberculosis, but this is not always the case. This study aimed to evaluate the accuracy of biomarkers determined in pleural fluid and propose a new diagnostic strategy for PE in patients with high levels of ADA in pleural fluid. This retrospective analysis studied patients with PE who received thoracentesis for the first time with an ADA level of > 33 U/L in the pleural fluid analysis at two tertiary hospitals from March 2019 to March 2023. Demographic and clinical data, as well as pleural fluid biomarkers and their ratios, were studied and compared between different PE groups, and a decision tree was developed. During the study period, 259 patients were enrolled, with four different types of PE: parapneumonic (PPE) 155, tuberculosis (TPE) 41, malignant (MPE) 50, and miscellaneous 13. Biomarkers and their ratios performed well in the differential diagnosis of PE, with the LDH/ADA ratio distinguishing between PPE and non-PPE with sensitivity and specificity of 98.06% and 98.08%, respectively. The combination of LDH/ADA ratio, ADA, and mononuclear cell percentage was identified as important factors for creating a decision tree with an overall accuracy of 89.96%. The pleural fluid LDH/ADA ratio was a useful diagnostic for distinguishing PPE from non-PPE, and a decision tree with an accuracy of 89.96% was created to differentiate the four forms of PE in clinical situations.
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Affiliation(s)
- David Núñez-Jurado
- Department of Clinical Biochemistry, Virgen del Rocío University Hospital, Manuel Siurot Avenue, 41013, Seville, Spain
| | - Isabel Rodríguez-Martín
- Department of Clinical Biochemistry, Virgen del Rocío University Hospital, Manuel Siurot Avenue, 41013, Seville, Spain
| | - Juan Miguel Guerrero
- Department of Clinical Biochemistry, Virgen del Rocío University Hospital, Manuel Siurot Avenue, 41013, Seville, Spain
| | - José Diego Santotoribio
- Department of Clinical Biochemistry, Puerto Real University Hospital, 1St Floor. Romería Street 7, 11510, Cádiz, Spain.
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Shaw JA, Louw EH, Koegelenberg CF. A practical approach to the diagnosis and management of malignant pleural effusions in resource-constrained settings. Breathe (Sheff) 2023; 19:230140. [PMID: 38125800 PMCID: PMC10729815 DOI: 10.1183/20734735.0140-2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 10/03/2023] [Indexed: 12/23/2023] Open
Abstract
No pleural intervention in a patient with confirmed malignant pleural effusion (MPE) prolongs life, but even the recommended interventions for diagnosis and palliation can be costly and therefore unavailable in large parts of the world. However, there is good evidence to guide clinicians working in low- and middle-income countries on the most cost-effective and clinically effective strategies for the diagnosis and management of MPE. Transthoracic ultrasound-guided closed pleural biopsy is a safe method of pleural biopsy with a diagnostic yield approaching that of thoracoscopy. With the use of pleural fluid cytology and ultrasound-guided biopsy, ≥90% of cases can be diagnosed. Cases with an associated mass lesion are best suited to an ultrasound-guided fine needle aspiration with/without core needle biopsy. Those with diffuse pleural thickening and/or nodularity should have an Abrams needle (<1 cm thickening) or core needle (≥1 cm thickening) biopsy of the area of interest. Those with insignificant pleural thickening should have an ultrasound-guided Abrams needle biopsy close to the diaphragm. The goals of management are to alleviate dyspnoea, prevent re-accumulation of the pleural effusion and minimise re-admissions to hospital. As the most cost-effective strategy, we suggest early use of indwelling pleural catheters with daily drainage for 14 days, followed by talc pleurodesis if the lung expands. The insertion of an intercostal drain with talc slurry is an alternative strategy which is noninferior to thoracoscopy with talc poudrage. Educational aims To provide clinicians practising in resource-constrained settings with a practical evidence-based approach to the diagnosis and management of malignant pleural effusions.To explain how to perform an ultrasound-guided closed pleural biopsy.To explain the cost-effective use of indwelling pleural catheters.
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Affiliation(s)
- Jane A. Shaw
- Division of Pulmonology, Department of Medicine, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
- DSI-NRF Centre of Excellence for Biomedical Tuberculosis Research, South African Medical Research Council Centre for Tuberculosis Research, Biomedical Research Institute, Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Elizabeth H. Louw
- Division of Pulmonology, Department of Medicine, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
| | - Coenraad F.N. Koegelenberg
- Division of Pulmonology, Department of Medicine, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
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Cohen SE, Betancourt J, Soo Hoo GW. Pleural Uptake Patterns in F18Fluorodeoxyglucose-Positron Emission Tomography (FDG-PET) Scans Improve the Identification of Malignant Pleural Effusions. J Clin Med 2023; 12:6977. [PMID: 38002592 PMCID: PMC10672363 DOI: 10.3390/jcm12226977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 10/24/2023] [Accepted: 11/03/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND The confirmation of malignant pleural effusions (MPE) requires an invasive procedure. Diagnosis can be difficult and may require repeated thoracentesis or biopsies. F18Fluorodeoxyglucose-Positron Emission Tomography (FDG-PET) can characterize the extent of malignant involvement in areas of increased uptake. Patterns of uptake in the pleura may be sufficient to obviate the need for further invasive procedures. METHODS This is a retrospective review of patients with confirmed malignancy and suspected MPE. Patients who underwent diagnostic thoracentesis with cytology and contemporaneous FDG-PET were identified for analysis. Some underwent confirmatory pleural biopsy. The uptake pattern on FDG-PET underwent blinded review and was categorized based on the pattern of uptake. RESULTS One hundred consecutive patients with confirmed malignancy, suspected MPE and corresponding FDG-PET scans were reviewed. MPE was confirmed in 70 patients with positive pleural fluid cytology or tissue pathology. Of the remaining patients, 15 had negative cytopathology, 14 had atypical cells and 1 had reactive cells. Positive uptake on FDG-PET was noted in 76 patients. The concordance of malignant histology and positive FDG-PET occurred in 58 of 76 patients (76%). Combining histologically confirmed MPE with atypical cytology, positive pleural FDG-PET uptake had a positive predictive value of 91% for MPE. An encasement pattern had a 100% PPV for malignancy. CONCLUSION Positive FDG-PET pleural uptake represents an excellent method to identify MPE, especially in patients with an encasement pattern. This may eliminate the need for additional invasive procedures in some patients, even when initial pleural cytology is negative.
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Affiliation(s)
| | - Jaime Betancourt
- West Los Angeles Veterans Affairs Healthcare Center, VA Greater Los Angeles Healthcare System, Los Angeles, CA 90073, USA; (J.B.); (G.W.S.H.)
- David Geffen School of Medicine at UCLA, Los Angeles, CA 90024, USA
| | - Guy W. Soo Hoo
- West Los Angeles Veterans Affairs Healthcare Center, VA Greater Los Angeles Healthcare System, Los Angeles, CA 90073, USA; (J.B.); (G.W.S.H.)
- David Geffen School of Medicine at UCLA, Los Angeles, CA 90024, USA
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10
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Bixby B, Vrba L, Lenka J, Oshiro M, Watts GS, Hughes T, Erickson H, Chopra M, Knepler JL, Knox KS, Jarnagin L, Alalawi R, Kala M, Bernert R, Routh J, Roe DJ, Garland LL, Futscher BW, Nelson MA. Cell-Free DNA Methylation Analysis as a Marker of Malignancy in Pleural Fluid. RESEARCH SQUARE 2023:rs.3.rs-3390107. [PMID: 37886511 PMCID: PMC10602127 DOI: 10.21203/rs.3.rs-3390107/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Background Diagnosis of malignant pleural effusion (MPE) is made by cytological examination of pleural fluid or histological examination of pleural tissue from biopsy. Unfortunately, detection of malignancy using cytology has an overall sensitivity of 50%, and is dependent upon tumor load, volume of fluid assessed, and cytopathologist experience. The diagnostic yield of pleural fluid cytology is also compromised by low abundance of tumor cells or when morphology is obscured by inflammation or reactive mesothelial cells. A reliable molecular marker that may complement fluid cytology malignant pleural effusion diagnosis is needed. The purpose of this study was to establish a molecular diagnostic approach based on pleural effusion cell-free DNA methylation analysis for the differential diagnosis of malignant pleural effusion and benign pleural effusion. Results This was a blind, prospective case-control biomarker study. We recruited 104 patients with pleural effusion for the study. We collected pleural fluid from patients with: MPE (n = 48), PPE (n = 28), and benign PE (n = 28), and performed the Sentinel-MPE liquid biopsy assay. The methylation level of Sentinel-MPE was markedly higher in the MPE samples compared to BPE control samples (p < 0.0001) and the same tendency was observed relative to PPE (p = 0.004). We also noted that the methylation signal was significantly higher in PPE relative to BPE (p < 0.001). We also assessed the diagnostic efficiency of the Sentinel-MPE test by performing receiver operating characteristic analysis (ROC). For the ROC analysis we combined the malignant and paramalignant groups (n = 76) and compared against the benign group (n = 28). The detection sensitivity and specificity of the Sentinel-MPE test was high (AUC = 0.912). The Sentinel-MPE appears to have better performance characteristics than cytology analysis. However, combining Sentinel-MPE with cytology analysis could be an even more effective approach for the diagnosis of MPE. Conclusions The Sentinel-MPE test can discriminate between BPE and MPE. The Sentinel-MPE liquid biopsy test can detect aberrant DNA in several different tumor types. The Sentinel-MPE test can be a complementary tool to cytology in the diagnosis of MPE.
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11
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Sahu RK, Ruhi S, Jeppu AK, Al-Goshae HA, Syed A, Nagdev S, Widyowati R, Ekasari W, Khan J, Bhattacharjee B, Goyal M, Bhattacharya S, Jangde RK. Malignant mesothelioma tumours: molecular pathogenesis, diagnosis, and therapies accompanying clinical studies. Front Oncol 2023; 13:1204722. [PMID: 37469419 PMCID: PMC10353315 DOI: 10.3389/fonc.2023.1204722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 05/22/2023] [Indexed: 07/21/2023] Open
Abstract
The pathetic malignant mesothelioma (MM) is a extremely uncommon and confrontational tumor that evolves in the mesothelium layer of the pleural cavities (inner lining- visceral pleura and outer lining- parietal pleura), peritoneum, pericardium, and tunica vaginalis and is highly resistant to standard treatments. In mesothelioma, the predominant pattern of lesions is a loss of genes that limit tumour growth. Despite the worldwide ban on the manufacture and supply of asbestos, the prevalence of mesothelioma continues to increase. Mesothelioma presents and behaves in a variety of ways, making diagnosis challenging. Most treatments available today for MM are ineffective, and the median life expectancy is between 10 and 12 months. However, in recent years, considerable progress has already been made in understanding the genetics and molecular pathophysiology of mesothelioma by addressing hippo signaling pathway. The development and progression of MM are related to many important genetic alterations. This is related to NF2 and/or LATS2 mutations that activate the transcriptional coactivator YAP. The X-rays, CT scans, MRIs, and PET scans are used to diagnose the MM. The MM are treated with surgery, chemotherapy, first-line combination chemotherapy, second-line treatment, radiation therapy, adoptive T-cell treatment, targeted therapy, and cancer vaccines. Recent clinical trials investigating the function of surgery have led to the development of innovative approaches to the treatment of associated pleural effusions as well as the introduction of targeted medications. An interdisciplinary collaborative approach is needed for the effective care of persons who have mesothelioma because of the rising intricacy of mesothelioma treatment. This article highlights the key findings in the molecular pathogenesis of mesothelioma, diagnosis with special emphasis on the management of mesothelioma.
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Affiliation(s)
- Ram Kumar Sahu
- Department of Pharmaceutical Sciences, Hemvati Nandan Bahuguna Garhwal University (A Central University), Chauras, Tehri Garhwal, Uttarakhand, India
| | - Sakina Ruhi
- Department of Biochemistry, International Medical School (IMS), Management and Science University, Shah Alam, Selangor, Malaysia
| | - Ashok Kumar Jeppu
- Department of Biochemistry, International Medical School (IMS), Management and Science University, Shah Alam, Selangor, Malaysia
| | - Husni Ahmed Al-Goshae
- Department of Anantomy, International Medical School (IMS), Management and Science University, Shah Alam, Selangor, Malaysia
| | - Ayesha Syed
- Department of Anatomy, Physiology, and Biochemistry, Management and Science University, Shah Alam, Selangor, Malaysia
| | - Sanjay Nagdev
- Department of Pharmacy, Gyan Ganga Institute of Technology and Sciences, Jabalpur, Madhya Pradesh, India
| | - Retno Widyowati
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Universitas Airlangga, Surabaya, Indonesia
| | - Wiwied Ekasari
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Universitas Airlangga, Surabaya, Indonesia
| | - Jiyauddin Khan
- School of Pharmacy, Management and Science University, Shah Alam, Selangor, Malaysia
| | | | - Manoj Goyal
- Department of Pharmaceutical Sciences, Hemvati Nandan Bahuguna Garhwal University (A Central University), Chauras, Tehri Garhwal, Uttarakhand, India
| | - Sankha Bhattacharya
- School of Pharmacy & Technology Management, SVKM’s NMIMS, Shirpur, MH, India
| | - Rajendra K. Jangde
- University Institute of Pharmacy, Pt. Ravishankar Shukla University, Raipur, Chhattisgarh, India
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12
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Wang H, Liu Y, Wang J, Ren T, Luo G, You H, Wang X, Li D, Wang L, Wang M. Rapid on-site evaluation of touch imprints of medical thoracoscopy biopsy tissue for the management of pleural disease. Front Med (Lausanne) 2023; 10:1196000. [PMID: 37359022 PMCID: PMC10288871 DOI: 10.3389/fmed.2023.1196000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 05/16/2023] [Indexed: 06/28/2023] Open
Abstract
Background and objective Medical thoracoscopy (MT) plays an important role in the diagnosis and treatment of pleural diseases, and rapid on-site evaluation (ROSE) has long been used for transbronchial needle aspiration or fine-needle aspiration to evaluate the adequacy of biopsy materials for the diagnosis of peripheral lung lesions. However, research on ROSE combined with MT for the management of pleural disease has been rarely reported. We aimed to evaluate the diagnostic performance of ROSE for pleura biopsies and visual diagnosis by thoracoscopists for gross thoracoscopic appearance. The secondary objective was to assess the intermodality agreement between ROSE and the final histopathologic diagnosis. Methods A total of 579 patients with exudative pleural effusion (EPE) who underwent MT combined with ROSE from February 2017 to December 2020 at Taihe Hospital were included in the study. Thoracoscopists' visual diagnosis of gross thoracoscopic appearance, ROSE results, histopathologic findings, and the final diagnosis was recorded. Results Thoracoscopic pleural biopsies were performed in 565 patients (97.6%); 183 patients were confirmed to have malignant pleural effusion (MPE), and 382 patients were confirmed to have benign pleural effusion (BPE). The area under the curve of ROSE for the diagnosis of MPE was 0.96 (95% CI: 0.94-0.98, p < 0.001), with a sensitivity of 98.7%, a specificity of 97.2%, a diagnostic accuracy of 97.1%, a positive predictive value of 97.2%, and a negative predictive value of 97.2%. Diagnostic consistency between ROSE and histopathology was good (κ ± SE = 0.93 ± 0.02, p < 0.001). The area under the curve of the thoracoscopists' visual diagnosis of gross thoracoscopic appearance was 0.79 (95% CI: 0.75-0.83, p < 0.01), with a sensitivity of 76.7%, a specificity of 80.9%, a positive predictive value of 62.4%, and a negative predictive value of 89.3%. Conclusion ROSE of touch imprints of MT biopsy tissue during MT showed high accuracy for distinguishing between benign and malignant lesions. In addition, ROSE was in good agreement with the histopathological diagnosis, which may help thoracoscopists perform pleurodesis (talc poudrage) directly during the procedure, especially in patients with malignant results.
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Affiliation(s)
- Hansheng Wang
- Department of Pulmonary and Critical Care Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Yan Liu
- Department of Pulmonary and Critical Care Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Jiankun Wang
- Department of Pulmonary and Critical Care Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Tao Ren
- Department of Pulmonary and Critical Care Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Guoshi Luo
- Department of Pulmonary and Critical Care Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Hui You
- Department of Pulmonary and Critical Care Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Xiao Wang
- Department of Pulmonary and Critical Care Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Dan Li
- Department of Pathology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Lei Wang
- Department of Laboratory, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Meifang Wang
- Department of Pulmonary and Critical Care Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
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13
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Liang C, Liu N, Zhang Q, Deng M, Ma J, Lu J, Yin Y, Wang J, Miao Y, She B, Li Q, Hou G. A detection panel of novel methylated DNA markers for malignant pleural effusion. Front Oncol 2022; 12:967079. [PMID: 36176402 PMCID: PMC9513209 DOI: 10.3389/fonc.2022.967079] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Accepted: 08/19/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundCytology remains the gold standard for the detection of malignant cells in pleural effusion. However, its sensitivity is limited. The aim of this study was to establish a novel panel of cancer-specific methylated genes for the differential diagnosis of malignant pleural effusion (MPE).MethodsA cohort of 100 cancer patients (68 lung cancer, 32 other malignant tumors) and 48 patients with benign disease presenting with pleural effusion was prospectively enrolled. Pleural effusion was evaluated by means of cytopathological investigation and DNA methylation of SHOX2, RASSF1A, SEPTIN9 and HOXA9 in the cellular fraction. DNA methylation in bisulfite-converted DNA was determined using quantitative methylation-specific real-time PCR (MS-PCR). Cytopathological and DNA methylation results were evaluated with regard to the final clinical diagnosis.ResultsThe LungMe® SHOX2 and RASSF1A Assay (Tellgen Corporation, China) has been reported to be highly sensitive and specific for lung cancer using bronchial aspirates. As expected, LungMe® detected metastases of lung cancer (sensitivity: 76.5%) as well as metastases of other malignant tumors (sensitivity: 68.8%). OncoMe, a novel combination of SHOX2, RASSF1A, SEPTIN9 and HOXA9 methylation, led to an additional 11% increase in the detection rate of MPE, resulting in a sensitivity of 85% and a specificity of 96%. Overall, OncoMe showed a higher positive detection rate in SCLC (100%), LUAC (87%), OC (100%), BC (92.9%), GC (80.0%), and MESO (80%) than in LUSC (50%). Cytopathological analyses only detected 23 positive samples, which were all positively measured by both LungMe® and OncoMe.ConclusionOncoMe has potential for use as a biomarker for the detection of MPE, even not limited to lung cancer.
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Affiliation(s)
- Chaonan Liang
- Department of Cardio-Pulmonary Function, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Henan University People’s Hospital, Zhengzhou, Henan, China
- Department of Pulmonary and Critical Care Medicine, The First Hospital of China Medical University, Shenyang, China
| | - Nan Liu
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China
| | - Qin Zhang
- Department of Pulmonary and Critical Care Medicine, The First Hospital of China Medical University, Shenyang, China
| | - Mingming Deng
- Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, National Center of Respiratory Medicine, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, Beijing, China
| | - Jiangwei Ma
- Department of Pulmonary and Critical Care Medicine, The First Hospital of China Medical University, Shenyang, China
| | - Jingwen Lu
- Department of Pulmonary and Critical Care Medicine, The First Hospital of China Medical University, Shenyang, China
| | - Yan Yin
- Department of Pulmonary and Critical Care Medicine, The First Hospital of China Medical University, Shenyang, China
| | - Jian Wang
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China
| | - Yuan Miao
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China
| | - Bin She
- Academic Development, Tellgen Corporation, Shanghai, China
| | - Qingchang Li
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China
| | - Gang Hou
- Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, National Center of Respiratory Medicine, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, Beijing, China
- *Correspondence: Gang Hou,
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14
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Furumoto H, Kato T, Wakiyama H, Furusawa A, Choyke PL, Kobayashi H. Endoscopic Applications of Near-Infrared Photoimmunotherapy (NIR-PIT) in Cancers of the Digestive and Respiratory Tracts. Biomedicines 2022; 10:846. [PMID: 35453596 PMCID: PMC9027987 DOI: 10.3390/biomedicines10040846] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/24/2022] [Accepted: 03/25/2022] [Indexed: 12/11/2022] Open
Abstract
Near-infrared photoimmunotherapy (NIR-PIT) is a newly developed and promising therapy that specifically destroys target cells by irradiating antibody-photo-absorber conjugates (APCs) with NIR light. APCs bind to target molecules on the cell surface, and when exposed to NIR light, cause disruption of the cell membrane due to the ligand release reaction and dye aggregation. This leads to rapid cell swelling, blebbing, and rupture, which leads to immunogenic cell death (ICD). ICD activates host antitumor immunity, which assists in killing still viable cancer cells in the treated lesion but is also capable of producing responses in untreated lesions. In September 2020, an APC and laser system were conditionally approved for clinical use in unresectable advanced head and neck cancer in Japan, and are now routine in appropriate patients. However, most tumors have been relatively accessible in the oral cavity or neck. Endoscopes offer the opportunity to deliver light deeper within hollow organs of the body. In recent years, the application of endoscopic therapy as an alternative to surgery for the treatment of cancer has expanded, providing significant benefits to inoperable patients. In this review, we will discuss the potential applications of endoscopic NIR-PIT, especially in thoracic and gastrointestinal cancers.
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Affiliation(s)
| | | | | | | | | | - Hisataka Kobayashi
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (H.F.); (T.K.); (H.W.); (A.F.); (P.L.C.)
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