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1.
Gan To Kagaku Ryoho ; 50(6): 701-705, 2023 Jun.
Artigo em Japonês | MEDLINE | ID: mdl-37317604

RESUMO

To date, there are no reports that examine the relationship between geriatric nutritional risk index(GNRI)at the start of chemotherapy for malignant lymphoma and adverse effects. In this study, we investigated the relationship between GNRI at the start of chemotherapy and the incidence of side effects and time to treatment failure(TTF)in(R-)EPOCH-treated patients with relapsed or refractory malignant lymphoma. A significant difference in the incidence of Grade 3 or higher thrombocytopenia was observed between high and low GNRI groups(p=0.043). The GNRI may be an indicator of hematologic toxicity in malignant lymphoma patients treated with(R-)EPOCH. There was a statistically significant difference in TTF between the high and low GNRI groups(p=0.025), suggesting that nutritional status at the start of(R-)EPOCH may affect treatment continuation.


Assuntos
Linfoma , Trombocitopenia , Humanos , Idoso , Tempo para o Tratamento , Falha de Tratamento , Linfoma/tratamento farmacológico , Estado Nutricional
2.
Mod Rheumatol ; 31(3): 629-635, 2021 May.
Artigo em Inglês | MEDLINE | ID: mdl-32820678

RESUMO

OBJECTIVES: Pneumocystis pneumonia (PCP) is a life-threatening opportunistic infection. Sulfamethoxazole-trimethoprim (SMX/TMP) is the first-line drug for PCP prophylaxis. However, adverse events (AEs) force clinicians to alter or reduce the drug dosage. METHODS: We retrospectively reviewed all patients with rheumatic diseases who received SMX/TMP for prophylaxis and glucocorticoid therapy between April 2004 and March 2018. The rates of AEs, SMX/TMP discontinuation, and incidence of PCP were analyzed. Patients were divided into the conventional group and the dose-reduction group. RESULTS: One hundred forty-five patients and 75 patients were included in the conventional group and the dose-reduction group, respectively. Compared to the dose-reduction group, the conventional group had a significantly high frequency of AEs (10.7% vs. 24.1%; p = .017); however, the rate of discontinuing SMX/TMP was not significantly different (8.0% vs. 14.5%; p = .165). Thirteen conventional group patients required a reduced SMX/TMP dose because of AEs; no patient developed PCP. The conventional SMX/TMP dose and renal dysfunction were associated with AEs in multivariate analysis. CONCLUSION: Patients who received a reduced SMX/TMP dose did not have PCP and had a lower frequency of AEs. A reduction in SMX/TMP for PCP prophylaxis is effective and safe in patients with rheumatic disease.


Assuntos
Antibacterianos/uso terapêutico , Quimioprevenção/métodos , Pneumonia por Pneumocystis/prevenção & controle , Doenças Reumáticas/complicações , Combinação Trimetoprima e Sulfametoxazol/uso terapêutico , Adulto , Antibacterianos/administração & dosagem , Antibacterianos/efeitos adversos , Quimioprevenção/efeitos adversos , Feminino , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Pneumonia por Pneumocystis/complicações , Pneumonia por Pneumocystis/tratamento farmacológico , Estudos Retrospectivos , Combinação Trimetoprima e Sulfametoxazol/administração & dosagem , Combinação Trimetoprima e Sulfametoxazol/efeitos adversos
3.
Pulm Pharmacol Ther ; 32: 45-52, 2015 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-25956071

RESUMO

AIMS: Vitamin E is an antioxidant that occurs in 8 different forms (α, ß, γ, and δ tocopherol and tocotrienol). Clinical trials of tocopherol supplementation to assess the impact of antioxidant activity in asthma have yielded equivocal results. Tocotrienol exhibits greater antioxidant activity than tocopherol in several biological phenomena in vivo and in vitro. We tested the effect of tocotrienol on human airway smooth muscle (ASM) cell growth and migration, both of which mediate airway remodeling in asthma. MAIN METHODS: We measured platelet-derived growth factor-BB (PDGF-BB)-induced ASM cell proliferation and migration by colorimetric and Transwell migration assays in the presence and absence of γ-tocotrienol (an isoform of tocotrienol). KEY FINDINGS: PDGF-BB-induced ASM cell proliferation and migration were inhibited by γ-tocotrienol. This effect was associated with inhibition of RhoA activation, but it had no effect on p42/p44 mitogen-activated protein kinase (MAPK) or Akt1 activation. We confirmed that pharmacological inhibition of Rho kinase activity was sufficient to inhibit PDGF-BB-induced ASM cell proliferation and migration. SIGNIFICANCE: γ-Tocotrienol could impart therapeutic benefits for airway remodeling in asthma by inhibiting human ASM cell proliferation and migration.


Assuntos
Antioxidantes/farmacologia , Proliferação de Células/efeitos dos fármacos , Cromanos/farmacologia , Miócitos de Músculo Liso/efeitos dos fármacos , Vitamina E/análogos & derivados , Remodelação das Vias Aéreas/efeitos dos fármacos , Becaplermina , Movimento Celular/efeitos dos fármacos , Células Cultivadas , Colorimetria , Humanos , Miócitos de Músculo Liso/metabolismo , Proteínas Proto-Oncogênicas c-sis/administração & dosagem , Vitamina E/farmacologia
5.
Chemistry ; 20(4): 1057-65, 2014 Jan 20.
Artigo em Inglês | MEDLINE | ID: mdl-24375781

RESUMO

A silica-supported triphenylphosphane (Silica-3p-TPP) with a Ph3P-type core, immobilized on a silica surface, was synthesized and characterized by nitrogen-absorption measurements and solid-state NMR spectroscopy. The tripodal immobilization constrains the mobility of the phosphane molecule and causes the lone pair on the phosphorus atom to face in the direction perpendicular to the support, resulting in the selective formation of a 1:1 metal-phosphane species that is free from unfavorable steric repulsions caused by the silica surface. Heterogeneous Pd catalysts created in this manner enabled room-temperature Suzuki-Miyaura cross-coupling reactions with unactivated chloroarenes, despite the moderate electronic and steric nature of the Ph3P-based ligands. These catalysts also showed potential in reactions with more challenging substrates under mild conditions. Tripodally immobilized and well-dispersed phosphanes on the silica surface were crucial for high catalytic activity.

6.
Intern Med ; 63(6): 781-790, 2024 Mar 15.
Artigo em Inglês | MEDLINE | ID: mdl-37495538

RESUMO

Objective Azacitidine (AZA) has been the standard of care for elderly patients with high-risk myelodysplastic syndromes (MDS). However, reliable clinical predictors of outcome have yet to be identified. The prognostic value of fetal hemoglobin (HbF) levels has been reported for decitabine therapy. We evaluated pretreatment HbF levels in AZA monotherapy as a prognostic marker in MDS/acute myeloid leukemia (AML). Methods This study included chemotherapy-naïve patients who had received seven-day treatment schedules of AZA and whose HbF levels were measured at the onset of treatment between March 2011 and July 2020. Patients were grouped into HbF-normal (<1.0%) or HbF-elevated (≥1.0%) groups. Responses were classified according to the International Working Group 2006 criteria. Patients Twenty-nine patients were included and classified as having either MDS (n=21), chronic myelomonocytic leukemia (n=5), myelodysplastic/myeloproliferative neoplasm unclassifiable (n=1), or AML with <30% marrow blasts (n=2) based on the World Health Organization 2016 diagnostic criteria. According to the revised International Prognostic Scoring System classification, 20/29 patients were at intermediate, high, or very high risk. Pretreatment HbF levels were elevated in 13/29 patients. Results The median follow-up duration was 13.0 (range 1.5-93.5) months. The HbF-elevated group was associated with a significantly higher hematologic improvement rate (76.9% vs. 25%, p=0.009) and better overall survival (median, 21.0 vs. 13.0 months, p=0.048) than the HbF-normal group. Conclusion These results suggest that elevated pretreatment HbF levels can predict better outcomes in patients with MDS/AML treated with AZA.


Assuntos
Leucemia Mieloide Aguda , Síndromes Mielodisplásicas , Humanos , Idoso , Azacitidina/uso terapêutico , Prognóstico , Estudos Retrospectivos , Hemoglobina Fetal/uso terapêutico , Antimetabólitos Antineoplásicos/uso terapêutico , Síndromes Mielodisplásicas/tratamento farmacológico , Leucemia Mieloide Aguda/tratamento farmacológico
7.
Heliyon ; 10(12): e31186, 2024 Jun 30.
Artigo em Inglês | MEDLINE | ID: mdl-39022061

RESUMO

Importance: The effectiveness of different combinations of inhaled corticosteroid (ICS) therapies in reducing severe exacerbations of adult asthma remains unclear. Objective: This network meta-analysis (NMA) extensively evaluated the treatment effects of single ICS; dual ICS i.e., ICS/long-acting ß2-adrenergic agonists (LABA); ICS/LABA as single maintenance and reliever therapy (SMART); and triple ICS, i.e., ICS/LABA/long-acting muscarinic antagonists (LAMA) in preventing severe asthma exacerbations. Data sources: A systematic search of English databases, including PubMed and Web of Science, was conducted until December 31, 2022, using PRISMA-NMA. Study selection: Using the PICOS criteria, the questions for this study were carefully selected so that the correct keywords could be identified. Data extraction and synthesis: A pairwise meta-analysis was used to select trials based on the criteria for minimizing heterogeneity (I2). Subsequently, the "BUGSnet" package of R software was used to perform a Bayesian network meta-analysis. Main outcome measures: The main outcome measures were risk rate and annualized rate ratio of severe asthma exacerbations. Results: This review included 56 randomized control trials (RCTs; n = 78,171 patients). As the pairwise meta-analysis demonstrated that the annualized rate ratio of severe asthma exacerbation had moderate heterogeneity, we analyzed the risk rate of severe asthma exacerbation using a network meta-analysis. In terms of direct/indirect comparisons with non-ICS, single ICS, dual ICS, SMART, and triple ICS reduced severe asthma exacerbations by 34 %, 47 %, 58 %, and 57 %, respectively. SMART and triple ICS showed high effectiveness in reducing severe exacerbations. Conclusion: AND RELEVANCE: SMART and triple ICS were ranked higher in effectiveness in reducing severe asthma exacerbations in comparison with other therapies, indicating that these are the most effective treatments for reducing the future risk of severe asthma exacerbations.

8.
Cureus ; 16(9): e69827, 2024 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-39435223

RESUMO

Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) includes eosinophilic granulomatosis with polyangiitis, granulomatosis with polyangiitis, and microscopic polyangiitis. Pulmonary involvements such as interstitial pneumonia and alveolar hemorrhage are common in AAV, but pleuritis is rare. Here, we report a case of pleuritis associated with AAV. A 68-year-old woman was referred to our hospital because of bilateral wrist and knee pain, Raynaud's phenomenon, and a sclerotic change in her extreme fingers with elevation of proteinase 3 ANCA (PR3-ANCA) and myeloperoxidase-ANCA (MPO-ANCA). From a skin biopsy of her forearms and fingers, we diagnosed that the patient had limited systemic sclerosis. After her first visit at 15 months, she complained of pain in the side of her chest. Her chest X-ray and computed tomography showed left pleural effusion, and local anesthetic thoracoscopy was performed. Histological examination of the pleural revealed granuloma and vasculitis. Based on her symptoms and histological findings, we diagnosed this case as ANCA-associated vasculitis (AAV) and treated it with steroids and intravenous cyclophosphamide successfully. Pleuritis is a rare pulmonary lesion of AAV, and thoracoscopy under local anesthesia is useful for the histological examination of vasculitis.

9.
Front Allergy ; 5: 1365801, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38562155

RESUMO

The prevalence of obesity among asthma patients has surged in recent years, posing a significant risk factor for uncontrolled asthma. Beyond its impact on asthma severity and patients' quality of life, obesity is associated with reduced lung function, increased asthma exacerbations, hospitalizations, heightened airway hyperresponsiveness, and elevated asthma-related mortality. Obesity may lead to metabolic dysfunction and immune dysregulation, fostering chronic inflammation characterized by increased pro-inflammatory mediators and adipocytokines, elevated reactive oxygen species, and reduced antioxidant activity. This chronic inflammation holds the potential to induce airway remodeling in individuals with asthma and obesity. Airway remodeling encompasses structural and pathological changes, involving alterations in the airway's epithelial and subepithelial layers, hyperplasia and hypertrophy of airway smooth muscle, and changes in airway vascularity. In individuals with asthma and obesity, airway remodeling may underlie heightened airway hyperresponsiveness and increased asthma severity, ultimately contributing to the development of persistent airflow limitation, declining lung function, and a potential increase in asthma-related mortality. Despite efforts to address the impact of obesity on asthma outcomes, the intricate mechanisms linking obesity to asthma pathophysiology, particularly concerning airway remodeling, remain incompletely understood. This comprehensive review discusses current research investigating the influence of obesity on airway remodeling, to enhance our understanding of obesity's role in the context of asthma airway remodeling.

10.
Front Med (Lausanne) ; 11: 1305638, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38343638

RESUMO

Asthma remains a significant global health challenge. While both the incidence and mortality rates have shown a decline, older individuals with asthma exhibit not just more severe symptoms but also demonstrate an elevated mortality rate. This phenomenon could be attributed to the presence of chronic comorbidities that exert an influence on clinical outcomes among adult patients with asthma. This review aims to present various aspects of asthma comprehensively, including the prevalence, incidence, mortality rates, and causes of death in adult patients with asthma. Additionally, this review delves into the impact of chronic comorbidities that contribute to the morbidity and mortality of patients with asthma on a global scale, encompassing conditions such as chronic kidney disease, diabetes mellitus, lung cancer, obesity, and cardiovascular disease, concerning asthma. Furthermore, the manuscript reviews the distinctions between asthma and asthma chronic obstructive pulmonary disease overlap and adds perspective on asthma as an occupational lung disease. Thus, this review aims to enhance clinicians' awareness of the significance of chronic comorbidities in the management of patients with asthma. It seeks to provide insights that contribute to a more comprehensive approach to managing patients with asthma who also have comorbid conditions.

11.
Pharmaceuticals (Basel) ; 17(6)2024 May 30.
Artigo em Inglês | MEDLINE | ID: mdl-38931379

RESUMO

BACKGROUND: Tocotrienols exhibit antioxidant and anti-inflammatory activities. RhoA, a small GTPase protein, plays a crucial role in regulating contractility in airway smooth muscle (ASM). Previous studies have demonstrated that γ-tocotrienols reduce ASM proliferation and migration by inhibiting the activation of RhoA. In this present study, we investigate the effect of another vitamin E isoform, ß-tocotrienols, on human ASM cell proliferation and migration stimulated by platelet-derived growth factor-BB (PDGF-BB). METHODS: Human ASM cells were pre-treated with ß-tocotrienol prior to being stimulated with PDGF-BB to induce ASM cell proliferation and migration. The proliferation and migration of PDGF-BB-induced human ASM cells were assessed using colorimetric and transwell migration assays. The intracellular ROS assay kit was employed to quantify reactive oxygen species (ROS) in human ASM cells. Additionally, we explored the effect of ß-tocotrienols on the signaling pathways involved in PDGF-BB-induced ASM proliferation and migration. RESULTS: ß-tocotrienol inhibited PDGF-BB-induced ASM cell proliferation and migration by reducing RhoA activation and ROS production. However, in this present study, ß-tocotrienol did not affect the signaling pathways associated with cyclin D1, phosphorylated Akt1, and ERK1/2. CONCLUSIONS: In conclusion, the inhibition of RhoA activation and ROS production by ß-tocotrienol, resulting in the reduction in human ASM proliferation and migration, suggests its potential as a treatment for asthma airway remodeling.

12.
Respir Med Case Rep ; 49: 102035, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38712312

RESUMO

Pembrolizumab is an anti-programmed cell death-1 (PD-1) antibody used to treat various cancer types. Treatments with such immune checkpoint inhibitors cause immune-related adverse events. However, airway inflammation caused by immune-related adverse events has rarely been reported. A 54-year-old woman with endometrial cancer experienced asthma exacerbation, and increased blood eosinophil counts 3 months after pembrolizumab administration. Although asthma exacerbation improved, the resumption of pembrolizumab caused the recurrence of dry cough and hypereosinophilia. The discontinuation of pembrolizumab improved her symptoms. Serum interleukin-5 levels increased during pembrolizumab treatment but decreased upon discontinuation. The blockade of PD-1 and its ligand may exacerbate asthma through eosinophilic inflammation.

13.
Yonago Acta Med ; 67(2): 114-123, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38803591

RESUMO

Background: Major randomized clinical trials have shown that biological therapy can reduce the exacerbation rate and oral corticosteroid (OCS) dosage in patients with severe eosinophilic asthma. However, data on the continuation, efficacy, and safety of biological therapy in older patients with asthma are limited. Therefore, the aim of this study was to evaluate the differences in the continuation rate, efficacy, and safety of biological therapy between older (≥ 65 years) and younger (< 65 years) patients with asthma. Methods: In this single-center retrospective observational study, we collected clinical data of patients with asthma who were administered biological drugs such as omalizumab, mepolizumab, benralizumab, and dupilumab between April 2009 and August 2022. We comparatively analyzed the continuation, efficacy, and safety of biological therapy between older (age ≥ 65 years) and younger patient (age < 65 years) groups. The reasons for discontinuation or switching of biological drugs were also evaluated. Results: Sixty-two (31 older and 31 younger) patients were treated with 91 biologics during the observational period. The mean age of older patients was 74.3 ± 5.1 years and that of younger patients was 48.0 ± 14.0 years. The continuation rate of biological therapy was not significantly different between the groups. Social background was the most common reason for discontinuation of biological therapy in both groups, and insufficient effect was the most common reason for switching to biological drugs. Asthma exacerbations decreased in both groups within the first 12 months of biologic therapy. The dosage of OCS tended to decrease in the older group and significantly decrease in the younger group. Conclusion: Biologic therapy for older patients with asthma can be continued, with efficacy and safety similar to those in younger patients with asthma.

14.
Respir Med Case Rep ; 51: 102092, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39263247

RESUMO

A 61-year-old woman, hospitalized for a persistent cough and dyspnea, had no history of bronchial asthma, but was undergoing chemotherapy for methotrexate-related lymphoproliferative disorder due to rheumatoid arthritis. Her peripheral blood eosinophil count was significantly increased, and chest CT revealed left lower lobe atelectasis and high-attenuation mucus. Bronchoscopy revealed mucous plugs and pathological examination revealed numerous eosinophils and filamentous fungi. Allergic bronchopulmonary mycosis (ABPM) caused by Scedosporium apiospermum was diagnosed using culture and genetic analyses. Treatment with corticosteroids and antifungal drugs led to improvement. ABPM caused by S. apiospermum is extremely rare, emphasizing the importance of species identification.

15.
Int Heart J ; 54(3): 129-32, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-23774234

RESUMO

Extrathoracic subclavian/axillar venipuncture is an accepted method for implanting pacemaker leads. Although several procedures have been reported, no standard method has been established yet. We evaluated the usefulness of a method in which only J-type guidewires are used. Between August 2011 and November 2012, 33 patients (20 men and 13 women; age, 77.5 ± 10.3 years) underwent permanent pacemaker lead insertion by extrathoracic subclavian venipuncture at our hospital. Thirty-two of the patients underwent primary implantation, whereas 1 patient required an additional lead because of lead fracture. The guidewires were inserted from the cubital vein to the subclavian vein. After the pacemaker pockets were created, we set the X-ray projection in the ipsilateral anterior oblique view. The distal edge of the guidewire was positioned on the ventral side of the first rib on fluoroscopy. The needle tip was positioned within the Ushaped distal tip of the J-type guidewire. The needle was held parallel to the X-ray angle and advanced towards the first rib until the tip entered the subclavian vein. The guidewire was inserted through the cubital vein in 31 patients, and through the femoral vein in 2 patients. Using this method, we successfully performed subclavian venipunctures in all 33 patients (total, 60 punctures) without any complications. Extrathoracic subclavian venipuncture using only a J-type guidewire is an easy, safe, and economical method for pacemaker lead implantation.


Assuntos
Eletrodos Implantados , Fluoroscopia/métodos , Marca-Passo Artificial , Flebotomia/métodos , Veia Subclávia/cirurgia , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino , Veia Subclávia/diagnóstico por imagem
17.
Angew Chem Int Ed Engl ; 52(47): 12322-6, 2013 Nov 18.
Artigo em Inglês | MEDLINE | ID: mdl-24123637

RESUMO

Covalently bound polystyrene-phosphane hybrids were prepared by a method based on radical emulsion polymerization of styrenes in the presence of a tris(p-vinylphenyl)phosphane cross-linker. These hybrids favor mono-P-ligation to transition-metal complexes and are useful for challenging catalysis, such as Pd-catalyzed CC/CN couplings with unactivated chloroarenes and Ir- or Rh-catalyzed C(sp(3) )H borylations.

18.
Yonago Acta Med ; 66(2): 257-262, 2023 May.
Artigo em Inglês | MEDLINE | ID: mdl-37229372

RESUMO

Background: Allergic bronchopulmonary mycosis (ABPM) occurs with fungi, other than Aspergillus fumigatus. However, the clinical characteristics of ABPM caused by non-Aspergillus species are unspecified. Methods: We retrospectively reviewed all patients with ABPM who visited to our hospital between April 2005 and December 2020. The causative fungi and clinical characteristics were analyzed. Patients were divided into the Aspergillus group and the non-Aspergillus group. Results: Fourteen patients and five patients were included in the Aspergillus group and the non-Aspergillus group, respectively. Compared to the Aspergillus group, the non-Aspergillus group had a significantly low serum immunoglobulin E level and low forced vital capacity. In addition, the non-Aspergillus group had a lower rate of the requirement for oral corticosteroid treatment and a low frequency of recurrence. Conclusion: Patients with non-Aspergillus ABPM had lower type 2 inflammation than did patients with allergic bronchopulmonary aspergillosis.

19.
Arerugi ; 61(12): 1744-8, 2012 Dec.
Artigo em Japonês | MEDLINE | ID: mdl-23466616

RESUMO

A 33-year-old man complaining of cough admitted our hospital for examination of bilateral hilar and mediastinal lymphadenopathy. He diagnosed pulmonary sarcoidosis, because of elevation of serum angiotensin converting enzyme (ACE), epitheloid granuloma with noncaseating necrosis from transbronchial lung biopsy (TBLB) specimen, increasing of lymphocyte and elevation of the CD4/CD8 ratio in bronchoalveolar lavage fluid (BALF). Furthermore, eosinophil ratio in BALF was 3%, hyperplasia of goblet cell, eosinophilic invasion to bronchial epithelium, and thickened basal membrane were found in same biopsy specimen. He had mild reversible airway obstruction. He was diagnosed pulmonary sarcoidosis complicated with bronchial asthma. Sarcoidosis is characteristic of the T helper type 1 (Th1) mediated immune response, and bronchial asthma is characteristic of the Th2. This case histopathologically revealed that both Th1 mediated immune response and Th2 could be coexisted.


Assuntos
Asma/complicações , Sarcoidose Pulmonar/complicações , Adulto , Asma/patologia , Eosinófilos/patologia , Humanos , Masculino , Sarcoidose Pulmonar/patologia
20.
Diagnostics (Basel) ; 12(5)2022 May 08.
Artigo em Inglês | MEDLINE | ID: mdl-35626330

RESUMO

Although eosinophilic inflammation is characteristic of asthma pathogenesis, neutrophilic inflammation is also marked, and eosinophils and neutrophils can coexist in some cases. Based on the proportion of sputum cell differentiation, asthma is classified into eosinophilic asthma, neutrophilic asthma, neutrophilic and eosinophilic asthma, and paucigranulocytic asthma. Classification by bronchoalveolar lavage is also performed. Eosinophilic asthma accounts for most severe asthma cases, but neutrophilic asthma or a mixture of the two types can also present a severe phenotype. Biomarkers for the diagnosis of neutrophilic asthma include sputum neutrophils, blood neutrophils, chitinase-3-like protein, and hydrogen sulfide in sputum and serum. Thymic stromal lymphoprotein (TSLP)/T-helper 17 pathways, bacterial colonization/microbiome, neutrophil extracellular traps, and activation of nucleotide-binding oligomerization domain-like receptor family, pyrin domain-containing 3 pathways are involved in the pathophysiology of neutrophilic asthma and coexistence of obesity, gastroesophageal reflux disease, and habitual cigarette smoking have been associated with its pathogenesis. Thus, targeting neutrophilic asthma is important. Smoking cessation, neutrophil-targeting treatments, and biologics have been tested as treatments for severe asthma, but most clinical studies have not focused on neutrophilic asthma. Phosphodiesterase inhibitors, anti-TSLP antibodies, azithromycin, and anti-cholinergic agents are promising drugs for neutrophilic asthma. However, clinical research targeting neutrophilic inflammation is required to elucidate the optimal treatment.

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