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antifibrotic drug

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https://www.readbyqxmd.com/read/28636088/multicompartment-drug-release-system-for-dynamic-modulation-of-tissue-responses
#1
Aaron H Morris, Rajwant S Mahal, Jillian Udell, Michelle Wu, Themis R Kyriakides
Pharmacological modulation of responses to injury is complicated by the need to deliver multiple drugs with spatiotemporal resolution. Here, a novel controlled delivery system containing three separate compartments with each releasing its contents over different timescales is fabricated. Core-shell electrospun fibers create two of the compartments in the system, while electrosprayed spheres create the third. Utility is demonstrated by targeting the foreign body response to implants because it is a dynamic process resulting in implant failure...
June 21, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28629920/pulmonary-hypertension-in-parenchymal-lung-diseases-any-future-for-new-therapies
#2
REVIEW
Sergio Harari, Davide Elia, Marc Humbert
Pulmonary hypertension (PH) due to chronic lung diseases is associated with a poor prognosis, regardless of the underlying respiratory condition. Updated PH guidelines recommend optimal treatment of the underlying lung disease, including long-term oxygen therapy, in patients with chronic hypoxaemia despite the lack of randomized controlled clinical trials supporting this statement. So far, randomized controlled trials on drugs approved for pulmonary arterial hypertension (PAH) have yielded discouraging results in both interstitial lung diseases (ILD) and chronic obstructive pulmonary diseases (COPD) with PH...
June 16, 2017: Chest
https://www.readbyqxmd.com/read/28622199/antifibrotic-drugs-as-treatment-of-nonidiopathic-pulmonary-fibrosis-interstitial-pneumonias-the-time-is-now
#3
Michael Kreuter, Julia Wälscher, Jürgen Behr
PURPOSE OF REVIEW: Therapeutic advances in the management of idiopathic pulmonary fibrosis (IPF) has led to improved outcomes with the use of the antifibrotic agents pirfenidone and nintedanib, with a number of randomized studies demonstrating benefits in slowing disease progression in IPF. However, treatment of other fibrosing interstitial lung diseases (ILD) remains challenging. RECENT FINDINGS: Observational and uncontrolled studies investigating pirfenidone and nintedanib in non-IPF ILDs suggest potential benefits, although the data is weak...
June 15, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28609115/molecular-targets-of-dietary-phytochemicals-for-possible-prevention-and-therapy-of-uterine-fibroids-focus-on-fibrosis
#4
Md Soriful Islam, Most Mauluda Akhtar, James H Segars, Mario Castellucci, Pasquapina Ciarmela
Uterine fibroids (myomas or leiomyomas) are common benign tumors of reproductive aged women. Fibroids are clinically apparent in 20-50% of women, and cause abnormal uterine bleeding, abdominal pain and discomfort, pregnancy complications and infertility. Unfortunately, limited numbers of medical treatment are available but no effective preventive strategies exist. Moreover, the benefits of medical treatments are tempered by lack of efficacy or serious adverse side effects. Fibrosis has recently been recognized as a key pathological event in leiomyoma development and growth...
November 22, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28598197/hypersensitivity-pneumonitis-perspectives-in-diagnosis-and-management
#5
Martina Vasakova, Ferran Morell, Simon Walsh, Kevin Leslie, Ganesh Raghu
Hypersensitivity pneumonitis (HP) is an immune-mediated interstitial lung disease caused by recurrent exposure to one or more offending inducers in genetically susceptible individuals. It mimics other acute and chronic pulmonary diseases and is often misdiagnosed as idiopathic pulmonary fibrosis (IPF) or another idiopathic interstitial pneumonia if the history of exposure to the inducer is not elicited. We propose a new classification of HP based not only on clinical data but also radiologic and histopathologic findings which might have potential to serve as predictors of disease behaviour and therefore guide management...
June 9, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28576410/phenylpyrrolidine-structural-mimics-of-pirfenidone-lacking-antifibrotic-activity-a-new-tool-for-mechanism-of-action-studies
#6
Andrew J Haak, Megan A Girtman, Mohamed F Ali, Eva M Carmona, Andrew H Limper, Daniel J Tschumperlin
Pirfenidone recently received FDA approval as one of the first two drugs designed to treat idiopathic pulmonary fibrosis. While the clinical data continues to support the efficacy of pirfenidone, the specific molecular mechanism of action of this drug has not been fully defined. From a chemical perspective the comparatively simple and lipophilic structure of pirfenidone combined with its administration at high doses, both experimentally and clinically, complicates some of the basic tenants of drug action and drug design...
May 30, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28575896/pirfenidone-and-nintedanib-for-treatment-of-idiopathic-pulmonary-fibrosis
#7
Gayathri Sathiyamoorthy, Sameep Sehgal, Rendell W Ashton
Idiopathic pulmonary fibrosis is one of the most common entities of the family of disorders known as the interstitial lung diseases. It is a chronic, progressive, and often-fatal disease with a median survival time of 3 to 5 years. In 2014 the US Food and Drug Administration approved pirfenidone and nintedanib, two antifibrotic agents for the treatment of idiopathic pulmonary fibrosis. Because these are the only drugs approved that can alter the course of this rare but fatal disease, this article reviews the major studies that led to the approval of these drugs and examines the indications for treatment and the expected outcomes of therapy...
June 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/28562527/successful-treatment-of-infliximab-in-a-patient-with-scleroderma-a-case-report
#8
Ting Li, Yaoyang Liu, Huji Xu
RATIONALE: Systemic Scleroderma (SSc) is a rare connective tissue disease clinically characterized by cutaneous sclerosis and variable systemic involvement. No drug is currently available to effectively reverse the fibrotic process in SSc. Previous reports have suggested that the tumor necrosis factor (TNF) antagonists could be useful for the treatment of fibrotic disorders. However, TNFα has long been considered as an antifibrotic cytokine. Whether TNF antagonist is effective for SSc patients needs to be tested...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28559525/reactivation-pulmonary-tuberculosis-in-two-patients-treated-with-pirfenidone
#9
Mohammad Khan, Majed Alghamdi, Hamdan Al-Jahdali
We report two cases of patients with biopsy-proven idiopathic pulmonary fibrosis (IPF) who were treated with new antifibrotic agent for pirfenidone for more than 12 months. Both cases developed cavitary pulmonary tuberculosis (TB) proven by positive sputum TB culture. Both cases were treated with standard anti-TB drugs for 9 months and had complete clinical and radiological resolution. To our knowledge, these are the first reported human cases of patients with IPF who have been on pirfenidone and developed cavitary pulmonary TB...
April 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28558396/-german-guideline-for-idiopathic-pulmonary-fibrosis-update-on-pharmacological-therapies-2017
#10
Jürgen Behr, Andreas Günther, Francesco Bonella, Klaus Geißler, Dirk Koschel, Michael Kreuter, Antje Prasse, Nicolas Schönfeld, Helmut Sitter, Joachim Müller-Quernheim, Ulrich Costabel
Idiopathic pulmonary fibrosis (IPF) is a severe and often fatal disease with a median survival of 2 - 4 years after diagnosis. Since the publication of the German IPF guideline in 2013 new treatment trials have been published, necessitating an update of the pharmacological therapy of IPF. Different from the previous guideline, the GRADE system was discarded and replaced by the Oxford evidence classification system which allows a more differentiated judgement. The following pharmacological therapies were rated not suitable for the treatment of IPF patients (recommendation A; evidence 1-b): triple therapy with prednisolone, azathioprine and acetyl-cysteine; imatinib; ambrisentan; bosentan; macitentan...
May 30, 2017: Pneumologie
https://www.readbyqxmd.com/read/28546962/recent-advances-of-curcumin-in-the-prevention-and-treatment-of-renal-fibrosis
#11
REVIEW
Xuejiao Sun, Yi Liu, Cheng Li, Xiting Wang, Ruyuan Zhu, Chenyue Liu, Haixia Liu, Lili Wang, Rufeng Ma, Min Fu, Dongwei Zhang, Yu Li
Curcumin, a polyphenol derived from the turmeric, has received attention as a potential treatment for renal fibrosis primarily because it is a relatively safe and inexpensive compound that contributes to kidney health. Here, we review the literatures on the applications of curcumin in resolving renal fibrosis in animal models and summarize the mechanisms of curcumin and its analogs (C66 and (1E,4E)-1,5-bis(2-bromophenyl) penta-1,4-dien-3-one(B06)) in preventing inflammatory molecules release and reducing the deposition of extracellular matrix at the priming and activation stage of renal fibrosis in animal models by consulting PubMed and Cnki databases over the past 15 years...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28496142/src-homology-protein-tyrosine-phosphatase-1-agonist-sc-43-reduces-liver-fibrosis
#12
Tung-Hung Su, Chung-Wai Shiau, Ping Jao, Nian-Jie Yang, Wei-Tien Tai, Chun-Jen Liu, Tai-Chung Tseng, Hung-Chih Yang, Chen-Hua Liu, Kai-Wen Huang, Ting-Chen Hu, Yu-Jen Huang, Yao-Ming Wu, Li-Ju Chen, Pei-Jer Chen, Ding-Shinn Chen, Kuen-Feng Chen, Jia-Horng Kao
This study aimed to investigate the role of src-homology protein tyrosine phosphatase-1 (SHP-1)-signal transducer and activator of transcription 3 (STAT3) pathway in liver fibrogenesis and the anti-fibrotic effect of SHP-1 agonist. The antifibrotic activity of SC-43, a sorafenib derivative with an enhanced SHP-1 activity, was evaluated in two fibrosis mouse models by carbon tetrachloride induction and bile duct ligation. Rat, human, and primary mouse hepatic stellate cells (HSCs) were used for mechanistic investigations...
May 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28484954/repurposing-pentoxifylline-for-the-treatment-of-fibrosis-an-overview
#13
REVIEW
Wei Xiong Wen, Siang Yin Lee, Rafaella Siang, Rhun Yian Koh
Fibrosis is a potentially debilitating disease with high morbidity rates. It is estimated that half of all deaths that occur in the USA are attributed to fibrotic disorders. Fibrotic disorders are characterized primarily by disruption in the extracellular matrix deposition and breakdown equilibrium, leading to the accumulation of excessive amounts of extracellular matrix. Given the potentially high prevalence of fibrosis and the paucity of agents currently available for the treatment of this disease, there is an urgent need for the identification of drugs that can be utilized to treat the disease...
May 8, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28474970/ellagic-acid-protects-against-arsenic-trioxide-induced-cardiotoxicity-in-rat
#14
A A Hemmati, S Olapour, H Najafzadeh Varzi, M J Khodayar, M Dianat, B Mohammadian, H Yaghooti
Arsenic trioxide (As2O3) is utilized for treating patients suffering from hematological malignancies particularly acute promyelocytic leukemia. Unfortunately, the extensive application of this chemotherapeutic agent has been limited due to its adverse effects such as cardiotoxicity. Ellagic acid, as a phenolic compound, has shown to exert antioxidant, anti-inflammatory, antifibrotic, and antiatherogenic properties. It is also capable of protecting against drug toxicity. In this study, we evaluated whether ellagic acid can protect against As2O3-induced heart injury in rats...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28459387/an-official-american-thoracic-society-workshop-report-use-of-animal-models-for-the-preclinical-assessment-of-potential-therapies-for-pulmonary-fibrosis
#15
R Gisli Jenkins, Bethany B Moore, Rachel C Chambers, Oliver Eickelberg, Melanie Königshoff, Martin Kolb, Geoffrey J Laurent, Carmel B Nanthakumar, Mitchell A Olman, Annie Pardo, Moises Selman, Dean Sheppard, Patricia J Sime, Andrew M Tager, Amanda L Tatler, Victor J Thannickal, Eric S White
Numerous compounds have shown efficacy in limiting development of pulmonary fibrosis using animal models, yet few of these compounds have replicated these beneficial effects in clinical trials. Given the challenges associated with performing clinical trials in patients with idiopathic pulmonary fibrosis (IPF), it is imperative that preclinical data packages be robust in their analyses and interpretations to have the best chance of selecting promising drug candidates to advance to clinical trials. The American Thoracic Society has convened a group of experts in lung fibrosis to discuss and formalize recommendations for preclinical assessment of antifibrotic compounds...
May 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28458469/tm4sf5-mediated-roles-in-the-development-of-fibrotic-phenotypes
#16
REVIEW
Jihye Ryu, Jung Weon Lee
Transmembrane 4 L six family member 5 (TM4SF5) can form tetraspanin-enriched microdomains (TERMs) on the cell's surface. TERMs contain protein-protein complexes comprised of tetraspanins, growth factor receptors, and integrins. These complexes regulate communication between extracellular and intracellular spaces to control diverse cellular functions. TM4SF5 influences the epithelial-mesenchymal transition (EMT), aberrant multilayer cellular growth, drug resistance, enhanced migration and invasion, circulation through the bloodstream, tumor-initiation property, metastasis, and muscle development in zebrafish...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28435277/role-of-pirfenidone-in-the-management-of-pulmonary-fibrosis
#17
REVIEW
Keith C Meyer, Catherine A Decker
Pulmonary fibrosis is associated with a number of specific forms of interstitial lung disease (ILD) and can lead to progressive decline in lung function, poor quality of life, and, ultimately, early death. Idiopathic pulmonary fibrosis (IPF), the most common fibrotic ILD, affects up to 1 in 200 elderly individuals and has a median survival that ranges from 3 to 5 years following initial diagnosis. IPF has not been shown to respond to immunomodulatory therapies, but recent trials with novel antifibrotic agents have demonstrated lessening of lung function decline over time...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28422764/3d-pulmospheres-serve-as-a-personalized-and-predictive-multicellular-model-for-assessment-of-antifibrotic-drugs
#18
Ranu Surolia, Fu Jun Li, Zheng Wang, Huashi Li, Gang Liu, Yong Zhou, Tracy Luckhardt, Sejong Bae, Rui-Ming Liu, Sunad Rangarajan, Joao de Andrade, Victor J Thannickal, Veena B Antony
No abstract text is available yet for this article.
April 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28408356/possible-antifibrotic-effect-of-gdc-0449-vismodegib-a-hedgehog-pathway-inhibitor-in-mice-model-of-schistosoma-induced-liver-fibrosis
#19
Abeer A Elhenawy, Rehab H Ashour, Nairmen Nabih, Naglaa M Shalaby, Nirmeen Megahed
Liver fibrosis is a pathological process complicating schistosomiasis. It is an active process of continuous extracellular matrix accumulation. In Egypt, schistosomiasis re-infection is a continuing problem especially in rural areas. In this study we examined the antifibrotic effect of GDC-0449 (Vismodegib), a hedgehog-pathway inhibitor as a new molecular target for Schistosoma-induced liver fibrosis, in addition to exploring its effect as antischistosomal drug. The effect of GDC-0449 alone or combined with Praziquantel was tried experimentally in infected mice with Schistosoma mansoni...
April 10, 2017: Parasitology International
https://www.readbyqxmd.com/read/28399537/antacid-therapy-and-disease-progression-in-patients-with-idiopathic-pulmonary-fibrosis-who-received-pirfenidone
#20
Michael Kreuter, Paolo Spagnolo, Wim Wuyts, Elisabetta Renzoni, Dirk Koschel, Francesco Bonella, Toby M Maher, Martin Kolb, Derek Weycker, Klaus-Uwe Kirchgässler, Ulrich Costabel
BACKGROUND: Gastroesophageal reflux disease is a potential risk factor for idiopathic pulmonary fibrosis (IPF) progression; however, the impact of antacid therapy (AAT) is under debate. OBJECTIVE: To evaluate the effect of AAT on IPF progression in pirfenidone-treated patients. METHODS: This post hoc analysis included patients with IPF who received pirfenidone in 3 trials (CAPACITY [PIPF-004/PIPF-006] and ASCEND [PIPF-016]). Pulmonary function, exercise tolerance, survival, hospitalizations, and adverse events (AEs) over 52 weeks were analyzed by baseline AAT use...
2017: Respiration; International Review of Thoracic Diseases
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