Chronic obstructive pulmonary disease (COPD) is a major cause of morbidity and mortality worldwide, primarily driven by chronic airway inflammation due to cigarette smoke exposure. Despite its burden, however, current anti-inflammatory therapies offer limited efficacy in preventing disease progression. Plasminogen activator inhibitor-1 (PAI-1), as a key regulator of fibrinolysis, has recently been implicated in structural airway changes and persistent inflammation in patients with COPD.
View Article and Find Full Text PDFBackground: Photoimmunotherapy (PIT) using cetuximab-sarotalocan sodium (CS) is a novel therapy for unresectable or locally recurrent head and neck squamous cell carcinoma (HNSCC). CS is a conjugate of cetuximab (monoclonal antibody targeting epidermal growth factor receptor [EGFR]) and IR700 (light-activatable dye). Intravenously administered CS binds to cancer cells expressing EGFR.
View Article and Find Full Text PDFBronchoalveolar lavage (BAL) is crucial for the diagnosis of interstitial lung disease (ILD). Although BAL lymphocytosis is found in patients with connective tissue disease (CTD)-related ILD, the effects of CTD-associated features on BAL lymphocytosis have not been elucidated. To identify CTD-associated features that affect BAL lymphocyte fraction in patients with idiopathic interstitial pneumonia (IIP).
View Article and Find Full Text PDFWe present a case of alveolar sarcoidosis showing lower lobe-predominant areas of airspace consolidation and ground-glass attenuation on HRCT, mimicking idiopathic interstitial pneumonia (IIP) with spontaneous wandering. Mediastinal lymphadenopathy and uveitis were negative. Surgical lung biopsy revealed multiple non-necrotising granulomas.
View Article and Find Full Text PDFBackground: Acute exacerbation (AE) is defined as acute deterioration in the respiratory status that can lead to a fatal outcome. It may occur in various types of interstitial lung disease (ILD). However, its incidence and clinical picture in patients with primary Sjögren's syndrome-associated interstitial lung disease (pSjS-ILD) remain unclear.
View Article and Find Full Text PDFIntroduction: The safety of discontinuing immune checkpoint inhibitors (ICIs) because of a durable response in patients with advanced NSCLC remains uncertain, and post-discontinuation survival outcomes based on the reason for cessation are not well defined.
Methods: A pooled analysis was conducted using data from four prospective cohort studies involving 835 patients with advanced NSCLC who discontinued ICIs. Patients were categorized based on discontinuation reasons: durable response; immune-related adverse events (irAEs) (subcategorized by tumor response at discontinuation); non-irAE adverse events; disease progression; and other causes.
Background And Objective: Comorbid depression in idiopathic pulmonary fibrosis (IPF) has been linked to reduced quality of life and worsened symptoms. However, the incidence of depression and its association with mortality in IPF, based on large-scale epidemiological data, remains unclear. This study investigated the clinical significance of depression in patients with IPF using the National Database of Health Insurance Claims and Specific Health Checkups of Japan.
View Article and Find Full Text PDFRespirol Case Rep
April 2025
We present a case of pulmonary hyalinising granuloma, a rare benign disease of unknown aetiology, diagnosed using lung nodule biopsy. Glucocorticoid treatment reduced the nodule size and was effective for 5 years. However, there was persistent inflammation, indicating the need for safer treatment options for long-term survival.
View Article and Find Full Text PDFBackground: Arteriosclerosis and cardiovascular disease (CVD) can greatly affect the progression of chronic obstructive pulmonary disease (COPD). However, standardized methods for evaluating arteriosclerosis in COPD have not been established. The cardio-ankle vascular index (CAVI) is a reliable marker of arterial stiffness and a potential marker for assessing arteriosclerosis.
View Article and Find Full Text PDFBackground And Objective: Interstitial lung disease (ILD) is a leading cause of morbidity and mortality in patients with systemic sclerosis (SSc). The disease course of SSc-related ILD (SSc-ILD) is heterogeneous, and several risk-based models have been developed. This study aimed to quantitatively measure volume loss and disease extent and subsequently evaluate their associations with the development of end-stage lung disease (ESLD).
View Article and Find Full Text PDFSmall cell lung cancer (SCLC) subtypes, defined by the expression of lineage-specific transcription factors (TFs), are thought to be mutually exclusive, with intra-tumoral heterogeneities. This study investigated the mechanism underlying this phenomenon with the aim of identifying a novel vulnerability of SCLC. We profiled the expression status of ASCL1, NEUROD1, POU2F3, and YAP1 in 151 surgically obtained human SCLC samples.
View Article and Find Full Text PDFBackground: Immune-related pneumonitis (irP) is a severe immune-related adverse event that can occur after treatment with immune checkpoint inhibitors (ICIs); accurate monitoring and early diagnosis are crucial. Serum Krebs von den Lungen-6 (KL-6) and surfactant protein-D (SP-D) are used to diagnose and monitor the disease activity of various types of interstitial lung disease. This study evaluated the usefulness of KL-6 and SP-D for diagnosing irP in cancer patients receiving ICIs.
View Article and Find Full Text PDFPurpose: Studies on COVID-19 mortality during the Omicron-predominant wave have focused primarily on the inpatient/emergency room setting, and real-world data including both inpatients and outpatients are lacking.
Methods: Patients diagnosed with COVID-19 (n = 27,440,148) or influenza (n = 8,179,641) from January 2020 to April 2023 were identified using nationwide claims data in Japan. Patients with COVID-19 in the Omicron-predominant wave were compared with their counterparts in earlier waves, and a subset of the former group (May 2022-April 2023) was compared with patients with influenza as controls.
Background: Idiopathic interstitial pneumonias (IIPs) may remain unclassifiable owing to inadequate, nonspecific, or conflicting clinical, radiological, or histopathological findings despite multidisciplinary discussion (MDD). Unclassifiable IIP (UCIIP) is a heterogeneous disease that can present with progressive pulmonary fibrosis (PPF). This study aimed to investigate the prevalence and clinical features of PPF in patients with UCIIP.
View Article and Find Full Text PDFBackground And Objective: The association between interstitial lung abnormalities (ILA) and various conditions and diseases, including drug-related pneumonitis (DRP), has been reported. However, the association of the presence of ILA with developing DRP in patients undergoing cytotoxic agent-based chemotherapy, one of the standard treatments for malignancies, remains unclear. This warrants urgent investigation.
View Article and Find Full Text PDFBackground: Progressive pulmonary fibrosis (PPF) is a critical concern in interstitial lung disease (ILD) management. The HAL score, which incorporates honeycombing (H), age >75 years (A), and serum lactate dehydrogenase >222 U/L (L), can predict acute exacerbations in patients with idiopathic interstitial pneumonia (IIP). This study aims to evaluate the predictive utility of the HAL score for PPF development.
View Article and Find Full Text PDFBackground: Despite the development of biologics for severe asthma, individuals with uncontrolled status persist, posing a significant social problem. This multicenter prospective study aimed to identify factors associated with the uncontrolled status of patients with severe asthma in the biologic era assessed using the Asthma Control Questionnaire (ACQ).
Methods: Subjects with severe asthma diagnosed by respiratory specialists were enrolled from 11 hospitals.
Accurate prognostic awareness (PA) and knowledge of the disease are critical for decision-making regarding treatment options, advance care planning, and end-of-life care. However, they have not been investigated in patients with interstitial lung disease (ILD). To determine the prevalence of patients with ILD who have accurate PA and/or knowledge of acute exacerbation and whether accurate PA is associated with end-of-life medical interventions and quality of dying and death.
View Article and Find Full Text PDFBackground: Patients with idiopathic pulmonary fibrosis (IPF) may experience insomnia and use hypnotics. However, the effect of the use of hypnotics on their clinical course remains unclear.
Research Question: Is the use of hypnotics associated with an increased risk of mortality in patients with IPF?
Study Design And Methods: This study included 99 patients with IPF from the Hamamatsu hospital-based cohort and 123 patients with IPF from the Seirei hospital-based cohort, as well as 30,218 patients with IPF from the National Database of Health Insurance Claims and Specific Health Checkups of Japan (the NDB cohort).
Respir Investig
November 2024
Background: Constipation is associated with the prognosis of several chronic diseases. However, the effect of constipation on the prognosis of idiopathic interstitial pneumonias (IIPs) remains unclear. This study aimed to investigate the association between constipation and the prognosis of patients with IIPs.
View Article and Find Full Text PDFSarcoidosis Vasc Diffuse Lung Dis
September 2024
Mutations in ABCA3 can result in surfactant deficiency, leading to respiratory distress syndrome in term neonates, and interstitial lung disease (ILD) in children. Here, we report an extremely rare case of ILD in an identical twin with novel ABCA3 germline mutations. Interestingly, they showed mostly similar, but slightly different, clinical features.
View Article and Find Full Text PDFBackground: Hypersensitivity pneumonitis (HP) is a complex and heterogenous interstitial lung disease (ILD) that occurs in susceptible individuals due to certain inhaled antigens. Fibrotic-HP is a major underlying disease of progressive pulmonary fibrosis. Therefore, in addition to the radiological features of HP, quantitatively measuring fibrosis is important to evaluate disease severity and progression.
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