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Chang YW, Tsai MY, Chang YP, Liao CC, Lin YT, Lai CH, Lin MC, Huang KT. Enhancing Outcomes in Chronic Fibrotic Interstitial Lung Disease Through Aggressive Management of Nintedanib-Induced Adverse Drug Reactions: A Retrospective Analysis. Drugs Real World Outcomes 2024; 11:521-527. [PMID: 39102100 PMCID: PMC11365896 DOI: 10.1007/s40801-024-00443-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/16/2024] [Indexed: 08/06/2024] Open
Abstract
BACKGROUND AND OBJECTIVES Nintedanib, a tyrosine kinase inhibitor, is integral in slowing pulmonary fibrosis progression in chronic fibrotic interstitial lung disease (ILD). However, the occurrence of adverse drug reactions (ADRs) often limits its use, leading to treatment discontinuation, typically within 3-12 months. Discontinuation adversely affects patient outcomes. The study investigated whether aggressive ADR management can prolong nintedanib therapy and improve patient outcomes. METHODS This retrospective, single-center study enrolled Taiwanese patients with chronic fibrotic ILD who were treated with nintedanib from January 2016 to December 2022 in Kaohsiung Chang Gung Memorial Hospital. Patients were categorized into those who discontinued treatment within 180 days and those continuing beyond. Management of ADRs was identified through concurrent prescriptions for symptoms such as nausea, vomiting, diarrhea, or hepatic dysfunction. Baseline demographics, comorbidities, pulmonary function tests, and instances of acute exacerbation were analyzed. RESULTS The study enrolled 94 patients, with 71 (75.5%) experiencing ADRs. Among these, 41 (43.6%) discontinued nintedanib within 180 days. The administration of medications for managing nausea/vomiting [17 (41.5%) versus 36 (67.9%), p = 0.0103] and diarrhea [12 (29.3%) versus 33 (62.3%), p = 0.0015] was less frequent in the discontinued group compared with the continued group. Additionally, a higher incidence of acute exacerbation was observed in the discontinued group (34.1% versus 20.8%, p = 0.016). CONCLUSION Aggressive management of ADRs may enhance patient tolerance to nintedanib, potentially prolonging treatment duration and improving outcomes in chronic fibrotic ILD.
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Affiliation(s)
- Yu-Wen Chang
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Meng-Yun Tsai
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, No. 123, Dapi Rd., Niaosong Dist., Kaohsiung, Taiwan, ROC
| | - Yu-Ping Chang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, No. 123, Dapi Rd., Niaosong Dist., Kaohsiung, Taiwan, ROC
| | - Chien-Chang Liao
- Department of Diagnostic Radiology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Yu-Ting Lin
- Division of Rheumatology, Allergy, and Immunology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Chien-Hao Lai
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, No. 123, Dapi Rd., Niaosong Dist., Kaohsiung, Taiwan, ROC
| | - Meng-Chih Lin
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, No. 123, Dapi Rd., Niaosong Dist., Kaohsiung, Taiwan, ROC
- Chang Gung Respirology Center of Excellence, Taipei, Taiwan
| | - Kuo-Tung Huang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, No. 123, Dapi Rd., Niaosong Dist., Kaohsiung, Taiwan, ROC.
- Chang Gung Respirology Center of Excellence, Taipei, Taiwan.
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Gao Y, Du T, Yang L, Wu L. Research progress of KL-6 in respiratory system diseases. Crit Rev Clin Lab Sci 2024:1-17. [PMID: 38773736 DOI: 10.1080/10408363.2024.2350374] [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: 01/17/2024] [Accepted: 04/29/2024] [Indexed: 05/24/2024]
Abstract
This article comprehensively elucidates the discovery of Krebs von den Lungen-6 (KL-6), its structural features, functional mechanisms, and the current research status in various respiratory system diseases. Discovered in 1985, KL-6 was initially considered a tumor marker, but its elevated levels in interstitial lung disease (ILD) led to its recognition as a relevant serum marker for ILD. KL-6 is primarily produced by type 2 alveolar epithelial cell regeneration. Over the past 30 years since the discovery of KL-6, the number of related research papers has steadily increased annually. Following the coronavirus disease 2019 (COVID-19) pandemic, there has been a sudden surge in relevant literature. Despite KL-6's potential as a biomarker, its value in the diagnosis, treatment, and prognosis varies across different respiratory diseases, including ILD, idiopathic pulmonary fibrosis (IPF), COVID-19, and lung cancer. Therefore, as an important serum biomarker in respiratory system diseases, the value of KL-6 still requires further investigation.
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Affiliation(s)
- Yi Gao
- Department of Laboratory Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Tianming Du
- College of Medicine and Biological Information Engineering, Northeastern University, Shenyang, China
| | - Lianbo Yang
- Department of Reparative and Reconstructive Surgery, the Second Hospital of Dalian Medical University, Dalian, China
| | - Lina Wu
- Department of Laboratory Medicine, Shengjing Hospital of China Medical University, Shenyang, China
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Huang TH, Wei SH, Kuo HI, Hou HY, Kuo CW, Tseng YL, Lin SH, Wu CL. Baseline Blood Levels of Mucin-1 Are Associated with Crucial On-Treatment Adverse Outcomes in Patients with Idiopathic Pulmonary Fibrosis Receiving Antifibrotic Pirfenidone. Biomedicines 2024; 12:402. [PMID: 38398004 PMCID: PMC10886731 DOI: 10.3390/biomedicines12020402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 02/04/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Mucin-1 is a multi-functional glycoprotein expressed by type II alveolocytes and may be detectable in the circulation following pulmonary fibrosis. The prognostic utility of baseline pre-treatment blood levels of mucin-1 in patients with idiopathic pulmonary fibrosis (IPF) receiving antifibrotics has not yet been fully established. We retrospectively studied a cohort of patients (from two hospitals) with IPF who were receiving pirfenidone for >12 weeks. Baseline blood mucin-1 levels were measured via sandwich enzyme-linked immunosorbent assays. We investigated the performance of mucin-1 levels in longitudinally predicting the risks of acute exacerbation of IPF (AE-IPF) and severe adverse outcomes (SAO), including lung transplantation and death. Seventy patients were included; 20 developed AE-IPF; and 31 had SAO during the follow-up period. Patients with baseline mucin-1 levels ≥2.5 ng/mL had enhanced risks of AE-IPF (adjusted hazard ratio [aHR], 14.07; 95% confidence interval [CI], 4.26-46.49) and SAO within 2 years (aHR, 7.87; 95% CI, 2.86-21.70) and anytime during the follow-up (aHR, 4.68; 95% CI, 2.11-10.39). The risks increased across subgroups with increasing mucin-1 levels. Patients in the "mucin-1 ≥ 2.5" group also exhibited an accelerated decline in DLCO. This study supports baseline blood mucin-1 levels as a biomarker for IPF that predicts adverse outcomes during pirfenidone treatment.
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Affiliation(s)
- Tang-Hsiu Huang
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, 35 Siaodong Rd., Tainan 704, Taiwan; (T.-H.H.); (C.-W.K.); (S.-H.L.)
- Division of Chest Medicine, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138 Sheng Li Rd., Tainan 704, Taiwan; (S.-H.W.); (H.-Y.H.)
| | - Sheng-Huan Wei
- Division of Chest Medicine, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138 Sheng Li Rd., Tainan 704, Taiwan; (S.-H.W.); (H.-Y.H.)
| | - Hung-I Kuo
- Chest Hospital, Ministry of Health and Welfare, 864 Zhongshan Rd., Rende Dist., Tainan 717, Taiwan;
| | - Hsin-Yu Hou
- Division of Chest Medicine, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138 Sheng Li Rd., Tainan 704, Taiwan; (S.-H.W.); (H.-Y.H.)
| | - Chin-Wei Kuo
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, 35 Siaodong Rd., Tainan 704, Taiwan; (T.-H.H.); (C.-W.K.); (S.-H.L.)
- Division of Chest Medicine, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138 Sheng Li Rd., Tainan 704, Taiwan; (S.-H.W.); (H.-Y.H.)
| | - Yau-Lin Tseng
- Division of Thoracic Surgery, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138 Sheng Li Rd., Tainan 704, Taiwan;
| | - Sheng-Hsiang Lin
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, 35 Siaodong Rd., Tainan 704, Taiwan; (T.-H.H.); (C.-W.K.); (S.-H.L.)
- Department of Public Health, College of Medicine, National Cheng Kung University, 138 Sheng Li Rd., Tainan 704, Taiwan
- Biostatistics Consulting Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138 Sheng Li Rd., Tainan 704, Taiwan
| | - Chao-Liang Wu
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, 1 Dasyue Road, East District, Tainan 701, Taiwan
- Ditmanson Medical Foundation Chia-Yi Christian Hospital, 539 Chung Hsiao Rd., Chiayi 600, Taiwan
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Suzuki T, Karayama M, Aoshima Y, Mori K, Yoshizawa N, Ichikawa S, Kato S, Yokomura K, Kono M, Hashimoto D, Inoue Y, Yasui H, Hozumi H, Suzuki Y, Furuhashi K, Fujisawa T, Enomoto N, Goshima S, Inui N, Suda T. Association of the lung immune prognostic index with the survival of patients with idiopathic interstitial pneumonias. Respirology 2024; 29:136-145. [PMID: 37921012 DOI: 10.1111/resp.14621] [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: 03/31/2023] [Accepted: 10/23/2023] [Indexed: 11/04/2023]
Abstract
BACKGROUND AND OBJECTIVE The lung immune prognostic index (LIPI), a simple index calculated from the blood lactate dehydrogenase level and derived neutrophil-to-lymphocyte ratio, is thought to be associated with host immune status. However, the utility of LIPI in patients with idiopathic interstitial pneumonias (IIPs) is unknown. METHODS In this multicentre, retrospective, observational study, an association between LIPI and the survival of patients with IIPs was evaluated. RESULTS Exploratory and validation cohorts consisting of 460 and 414 patients with IIPs, respectively, were included (159 and 159 patients had idiopathic pulmonary fibrosis [IPF], and 301 and 255 had non-IPF, respectively). In the exploratory cohort, patients with IPF and a low LIPI had significantly better survival than those with a high LIPI (median of 5.6 years vs. 3.9 years, p = 0.016). The predictive ability of LIPI for the survival of patients with IPF was validated in the validation cohort (median of 8.5 years vs. 4.4 years, p = 0.003). In a multivariate Cox proportional hazard analysis, LIPI was selected as an independent predictive factor for the survival of IPF patients. There was no significant association between LIPI and survival of non-IPF patients in the exploratory and validation cohorts. CONCLUSION The LIPI was a predictive factor for the survival of patients with IPF and could aid the management of IPF.
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Affiliation(s)
- Takahito Suzuki
- Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Masato Karayama
- Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Yoichiro Aoshima
- Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Kazutaka Mori
- Department of Respiratory Medicine, Shizuoka City Shimizu Hospital, Shizuoka, Japan
| | - Nobuko Yoshizawa
- Department of Radiology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Shintaro Ichikawa
- Department of Radiology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Shinpei Kato
- Department of Respiratory Medicine, Seirei Mikatahara General Hospital, Hamamatsu, Japan
| | - Koshi Yokomura
- Department of Respiratory Medicine, Seirei Mikatahara General Hospital, Hamamatsu, Japan
| | - Masato Kono
- Department of Respiratory Medicine, Seirei Hamamatsu General Hospital, Hamamatsu, Japan
| | - Dai Hashimoto
- Department of Respiratory Medicine, Seirei Hamamatsu General Hospital, Hamamatsu, Japan
| | - Yusuke Inoue
- Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Hideki Yasui
- Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Hironao Hozumi
- Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Yuzo Suzuki
- Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Kazuki Furuhashi
- Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Tomoyuki Fujisawa
- Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Noriyuki Enomoto
- Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Satoshi Goshima
- Department of Radiology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Naoki Inui
- Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan
- Department of Clinical Pharmacology and Therapeutics, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Takafumi Suda
- Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan
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Zamfir AS, Zabara ML, Arcana RI, Cernomaz TA, Zabara-Antal A, Marcu MTD, Trofor A, Zamfir CL, Crișan-Dabija R. Exploring the Role of Biomarkers Associated with Alveolar Damage and Dysfunction in Idiopathic Pulmonary Fibrosis-A Systematic Review. J Pers Med 2023; 13:1607. [PMID: 38003922 PMCID: PMC10672103 DOI: 10.3390/jpm13111607] [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: 09/30/2023] [Revised: 10/30/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND Idiopathic pulmonary fibrosis (IPF) is one of the most aggressive forms of interstitial lung diseases (ILDs), marked by an ongoing, chronic fibrotic process within the lung tissue. IPF leads to an irreversible deterioration of lung function, ultimately resulting in an increased mortality rate. Therefore, the focus has shifted towards the biomarkers that might contribute to the early diagnosis, risk assessment, prognosis, and tracking of the treatment progress, including those associated with epithelial injury. METHODS We conducted this review through a systematic search of the relevant literature using established databases such as PubMed, Scopus, and Web of Science. Selected articles were assessed, with data extracted and synthesized to provide an overview of the current understanding of the existing biomarkers for IPF. RESULTS Signs of epithelial cell damage hold promise as relevant biomarkers for IPF, consequently offering valuable support in its clinical care. Their global and standardized utilization remains limited due to a lack of comprehensive information of their implications in IPF. CONCLUSIONS Recognizing the aggressive nature of IPF among interstitial lung diseases and its profound impact on lung function and mortality, the exploration of biomarkers becomes pivotal for early diagnosis, risk assessment, prognostic evaluation, and therapy monitoring.
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Affiliation(s)
- Alexandra-Simona Zamfir
- Clinical Hospital of Pulmonary Diseases, 700115 Iasi, Romania; (A.-S.Z.); (R.I.A.); (A.T.); (R.C.-D.)
- Department of Medical Sciences III, Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
| | - Mihai Lucian Zabara
- Department of Surgery, Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
- Clinic of Surgery (II), St. Spiridon Emergency Hospital, 700111 Iasi, Romania
| | - Raluca Ioana Arcana
- Clinical Hospital of Pulmonary Diseases, 700115 Iasi, Romania; (A.-S.Z.); (R.I.A.); (A.T.); (R.C.-D.)
- Doctoral School of the Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
| | - Tudor Andrei Cernomaz
- Department of Medical Sciences III, Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
- Regional Institute of Oncology, 700483 Iasi, Romania
| | - Andreea Zabara-Antal
- Clinical Hospital of Pulmonary Diseases, 700115 Iasi, Romania; (A.-S.Z.); (R.I.A.); (A.T.); (R.C.-D.)
- Doctoral School of the Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
| | - Marius Traian Dragoș Marcu
- Clinical Hospital of Pulmonary Diseases, 700115 Iasi, Romania; (A.-S.Z.); (R.I.A.); (A.T.); (R.C.-D.)
- Department of Medical Sciences I, Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
| | - Antigona Trofor
- Clinical Hospital of Pulmonary Diseases, 700115 Iasi, Romania; (A.-S.Z.); (R.I.A.); (A.T.); (R.C.-D.)
- Department of Medical Sciences III, Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
| | - Carmen Lăcrămioara Zamfir
- Department of Morpho-Functional Sciences I, Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania;
| | - Radu Crișan-Dabija
- Clinical Hospital of Pulmonary Diseases, 700115 Iasi, Romania; (A.-S.Z.); (R.I.A.); (A.T.); (R.C.-D.)
- Department of Medical Sciences III, Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
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Lee HY, Jung SY, Jang JH, Ko J, Kim DW, Her M, Lee JH. Efficacy of Pirfenidone According to Dose in Patients with Idiopathic Pulmonary Fibrosis: A Prospective, Observational, Single-Center Cohort Study. Life (Basel) 2023; 13:2118. [PMID: 38004258 PMCID: PMC10672649 DOI: 10.3390/life13112118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/24/2023] [Accepted: 10/24/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND Idiopathic pulmonary fibrosis (IPF) is a progressive fibrotic lung disease with a poor prognosis. Pirfenidone is approved and widely used for the treatment of IPF and reduces lung function decline. The aim of this study was to evaluate the efficacy of different doses of pirfenidone for the prevention of disease progression in patients with IPF. METHODS This was a prospective, observational, single-center cohort study conducted in Haeundae Paik Hospital, Republic of Korea, from April 2021 to March 2023. IPF patients were assigned to three groups according to the dose of pirfenidone (600 mg, 1200 mg, 1800 mg). Disease progression was defined as an absolute decline to ≥5% of forced vital capacity (FVC) (% predicted value) or an absolute decline to ≥10% of diffusing capacity of the lung for carbon monoxide (DLco) (% predicted value) over 12 months. The primary endpoint was to evaluate the clinical effects of pirfenidone of each dosage on disease progression in IPF patients by comparing the FVC (% predicted value) and DLco (% predicted value) values over 12 months. The secondary endpoint was to evaluate the prognostic value of Krebs von den Lungen-6 (KL-6) in the disease progression in IPF patients using the baseline KL-6 value and the change in KL-6 values between the baseline and 12 months. RESULTS A total of 44 patients were enrolled, of whom 39 completed the study, with 13 patients assigned to each of the three groups. The median age was 71.7 years, and 79.5% of patients were men. The baseline characteristics were similar across groups, except the 600 mg group was older (75.9 vs. 69.2 vs. 68.2 years, p = 0.016). The overall median change in FVC and DLco over 12 months was -2.7% (IQR: -9.1%, -1.2%) and -3.8% (IQR: -13.6%, -3.7%), respectively. There was no difference in the decline in FVC (change in FVC, % predicted value: -3.23 vs. -4.08 vs. -1.54, p = 0.621) and DLco (change in DLco, % predicted value: 0.00 vs. -3.62 vs. -3.15, p = 0.437) among the three groups. Fourteen patients (35.9%) suffered disease progression. The rate of disease progression did not differ according to the dose of pirfenidone (38.5 vs. 38.5 vs. 30.8%, p = 1.000). In multivariable logistic regression analysis, KL-6 was not a statistically significant predictor of disease progression. CONCLUSIONS In our study, regardless of dose, consistent pirfenidone use for 12 months resulted in similar efficacy for the prevention of disease progression in patients with IPF. Large-scale, randomized, double-blind, placebo-controlled clinical trials are needed.
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Affiliation(s)
- Ho Young Lee
- Division of Pulmonology, Department of Internal Medicine, Inje University Busan Paik Hospital, Inje University College of Medicine, Busan 47392, Republic of Korea;
| | - So Young Jung
- Division of Dermatology, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan 48108, Republic of Korea;
| | - Ji Hoon Jang
- Division of Pulmonology and Critical Care Medicine, Department of Internal Medicine, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan 48108, Republic of Korea;
| | - Junghae Ko
- Division of Endocrinology, Department of Internal Medicine, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan 48108, Republic of Korea;
| | - Dae-Wook Kim
- Department of Orthopedic Surgery, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan 48108, Republic of Korea;
| | - Minyoung Her
- Division of Rheumatology, Department of Internal Medicine, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan 48108, Republic of Korea;
| | - Jae Ha Lee
- Division of Pulmonology and Critical Care Medicine, Department of Internal Medicine, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan 48108, Republic of Korea;
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Drakopanagiotakis F, Markart P, Steiropoulos P. Acute Exacerbations of Interstitial Lung Diseases: Focus on Biomarkers. Int J Mol Sci 2023; 24:10196. [PMID: 37373339 DOI: 10.3390/ijms241210196] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/07/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Interstitial lung diseases (ILDs) are a large group of pulmonary disorders characterized histologically by the cardinal involvement of the pulmonary interstitium. The prototype of ILDs is idiopathic pulmonary fibrosis (IPF), an incurable disease characterized by progressive distortion and loss of normal lung architecture through unchecked collagen deposition. Acute exacerbations are dramatic events during the clinical course of ILDs, associated with high morbidity and mortality. Infections, microaspiration, and advanced lung disease might be involved in the pathogenesis of acute exacerbations. Despite clinical scores, the prediction of the onset and outcome of acute exacerbations is still inaccurate. Biomarkers are necessary to characterize acute exacerbations better. We review the evidence for alveolar epithelial cell, fibropoliferation, and immunity molecules as potential biomarkers for acute exacerbations of interstitial lung disease.
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Affiliation(s)
- Fotios Drakopanagiotakis
- Department of Respiratory Medicine, Medical School, Democritus University, 68100 Alexandroupolis, Greece
| | - Philipp Markart
- Department of Respiratory Medicine, Klinikum Fulda and University Medicine Campus Fulda, Pacelliallee 4, 36043 Fulda, Germany
| | - Paschalis Steiropoulos
- Department of Respiratory Medicine, Medical School, Democritus University, 68100 Alexandroupolis, Greece
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Chi J, Hsiao Y, Liang H, Huang T, Chen F, Chen C, Ko C, Cheng C, Wang J. Blockade of the pentraxin 3/CD44 interaction attenuates lung injury-induced fibrosis. Clin Transl Med 2022; 12:e1099. [PMID: 36336784 PMCID: PMC9637652 DOI: 10.1002/ctm2.1099] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 09/27/2022] [Accepted: 10/13/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Fibrosing interstitial lung diseases (fILD) are potentially fatal with limited therapeutic options and no effective strategies to reverse fibrogenesis. Myofibroblasts are chief effector cells in fibrosis that excessively deposit collagen in the pulmonary interstitium and lead to progressive impairment of gaseous exchange. METHODS Plasma and lung specimens from patients with fILD were applied for detecting pentraxin 3 (PTX3) abundance by ELISA and Immunohistochemistry. Masson's trichrome and Sirius red stains and hydroxyproline assay were performed for assessing collagen accumulation in the lungs of bleomycin-exposed conditional Ptx3-deficient and PTX3-neutralizing antibody (αPTX3i)-treated mice. Downstream effectors including signaling pathways and fibrotic genes were examined for assessing CD44-involved PTX3-induced fibrosis in HFL1 and primary mouse fibroblasts. RESULTS PTX3 was upregulated in the lungs and plasma of bleomycin-exposed mice and correlated with disease severity and adverse outcomes in fILD patients. Decreased collagen accumulation, attenuation of alveolar fibrosis and fibrotic markers, and improved lung function were observed in bleomycin-exposed conditional Ptx3-deficient mice. PTX3 activates lung fibroblasts to differentiate towards migrative and highly collagen-expressing myofibroblasts. Lung fibroblasts with CD44 inactivation attenuated the PI3K-AKT1, NF-κB, and JNK signaling pathways and fibrotic markers. αPTX3i mimic-based therapeutic studies demonstrated abrogation of the migrative fibroblast phenotype and myofibroblast activation in vitro. Notably, αPTX3i inhibited lung fibrosis, reduced collagen deposition, increased mouse survival, and improved lung function in bleomycin-induced pulmonary fibrosis. CONCLUSIONS The present study reveals new insights into the involvement of the PTX3/CD44 axis in fibrosis and suggests PTX3 as a promising therapeutic target in fILD patients.
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Affiliation(s)
- Jhih‐Ying Chi
- Department of Biotechnology and Bioindustry SciencesCollege of Bioscience and BiotechnologyNational Cheng Kung UniversityTainanTaiwan
| | - Yu‐Wei Hsiao
- Department of Biotechnology and Bioindustry SciencesCollege of Bioscience and BiotechnologyNational Cheng Kung UniversityTainanTaiwan
| | - Hsin‐Yin Liang
- Department of Biotechnology and Bioindustry SciencesCollege of Bioscience and BiotechnologyNational Cheng Kung UniversityTainanTaiwan,International Research Center for Wound Repair and RegenerationNational Cheng Kung UniversityTainanTaiwan
| | - Tang‐Hsiu Huang
- Division of Chest MedicineDepartment of Internal MedicineNational Cheng Kung University HospitalCollege of MedicineNational Cheng Kung UniversityTainanTaiwan,Institute of Clinical MedicineCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
| | - Feng‐Wei Chen
- Institute of Basic Medical SciencesCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
| | - Chen‐Yang Chen
- Department of Biotechnology and Bioindustry SciencesCollege of Bioscience and BiotechnologyNational Cheng Kung UniversityTainanTaiwan
| | - Chiung‐Yuan Ko
- Ph.D. Program in Medical NeuroscienceCollege of Medical Science and TechnologyTaipei Medical UniversityTaipeiTaiwan
| | - Chao‐Chun Cheng
- Institute of Basic Medical SciencesCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
| | - Ju‐Ming Wang
- Department of Biotechnology and Bioindustry SciencesCollege of Bioscience and BiotechnologyNational Cheng Kung UniversityTainanTaiwan,International Research Center for Wound Repair and RegenerationNational Cheng Kung UniversityTainanTaiwan,Graduate Institute of Medical SciencesCollege of MedicineTaipei Medical UniversityTaipeiTaiwan,Graduate Institute of MedicineCollege of MedicineKaohsiung Medical UniversityKaohsiungTaiwan
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KL-6 in ANCA-Associated Vasculitis Patients with and without ILD: A Machine Learning Approach. BIOLOGY 2022; 11:biology11010094. [PMID: 35053092 PMCID: PMC8772774 DOI: 10.3390/biology11010094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/04/2022] [Accepted: 01/06/2022] [Indexed: 11/27/2022]
Abstract
Simple Summary Krebs von den Lungen-6 (KL-6) is a mucin involved in several cellular processes, and its expression increases following injured or regenerating type II pneumocyte. KL-6 was suggested to identify patients affected by fibrotic interstitial lung diseases (ILD) associated with rheumatologic disorders. This is the first study that has assessed whether serum KL-6 can distinguish ANCA-associated vasculitis (AAV) patients with ILD from those without ILD, and whether this biomarker and its changes over time are correlated with disease activity, vasculitic damage, and response to treatment. Thirteen AAV patients were enrolled, four of them with ILD. Higher serum KL-6 was found in AAV-ILD patients in comparison with those without ILD. The best KL-6 cutoff values of 368 U/mL and 301 U/mL at baseline and during follow-up, respectively, were suggested to distinguish the two groups. A direct correlation was found between serum KL-6 and disease activity. Our multicenter study demonstrated KL-6 as a reliable, non-invasive, and easy-to-perform marker of ILD in AAV patients, being helpful for disease activity assessment. Changes in serum concentrations of KL-6 over time could be useful for monitoring AAV patients. Further study of KL-6 as a marker of response to therapy during long-term follow-up would also be worthwhile. Abstract Background: ANCA-associated vasculitis (AAV) are small vessel vasculitis distinguished between microscopic polyangiitis (MPA) and granulomatosis with polyangiitis (GPA). The former may have interstitial lung disease (ILD) associated with high morbidity and mortality. Here, Krebs von den Lungen-6 (KL-6), a marker of fibrotic ILD, was assessed for distinguishing AAV patients with ILD from those without ILD, and whether its changes over time are correlated with disease activity. Materials and Methods: Thirteen AAV patients (eight females, mean age 61 ± 14.8 years) were enrolled: six MPA and six GPA. Serum samples were assayed for KL-6 concentrations (Fujirebio Europe, Belgium). To investigate potential binary classifiers for diagnosis of AAV-ILD, we constructed a regression decision tree model. Results: Higher serum KL-6 were in AAV-ILD compared with those without ILD (972.8 ± 398.5 vs 305.4 ± 93.9, p = 0.0040). Area under the receiver operating characteristics curve showed 100% of the diagnostic performance of KL-6 for identifying the ILD involvement (accuracy 91.7%) and the best cutoff value of 368 U/mL (sensitivity 100% and specificity 87.5%). The decision tree model showed a 33% improvement in class purity using a cut-off value of 513 U/mL to distinguish AAV patients with and without ILD. Stratifying AAV patients as MPA and GPA with and without ILD considering T0 and T1 KL-6, the model obtained an improvement of 40% for classifying GPA non-ILD with a T0 serum KL-6 cut-off value of 513 U/mL and a T1 KL-6 cut-off of 301 U/mL. A direct correlation was found between serum T0 KL-6 and T0 BVAS (r = 0.578, p = 0.044). Conclusion: Our multicenter study demonstrated KL-6 as a reliable, non-invasive, and easy-to-perform marker of ILD in AAV patients and its helpfulness for disease activity assessment. Changes in serum concentrations of KL-6 over time could be useful for monitoring AAV patients. Further study of KL-6 as a marker of response to therapy during long-term follow-up would also be worthwhile.
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Correction to: Baseline plasma KL-6 level predicts adverse outcomes in patients with idiopathic pulmonary fibrosis receiving nintedanib: a retrospective real-world cohort study. BMC Pulm Med 2021; 21:193. [PMID: 34103038 PMCID: PMC8186065 DOI: 10.1186/s12890-021-01559-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
An amendment to this paper has been published and can be accessed via the original article.
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