Ripasudil (K-115) is a novel Rho-associated protein kinase (ROCK) inhibitor. https://www.selleckchem.com/products/arv-771.html -ROCK pathway regulates key downstream effectors involved in many cellular functions, in particular in the actin cytoskeleton activity. The clinical effects of ripasudil expected on the eye include an intraocular pressure-lowering effect and a wound-healing activity on corneal endothelial cells, but many other functions are currently under investigation. To date, ripasudil has been approved in Japan (2014) for the treatment of glaucoma and ocular hypertension, and several clinical trials are currently investigating its role in the treatment of Fuchs' corneal dystrophy. In this review, we will discuss its pharmacokinetics, pharmacodynamics and clinical efficacy, focusing also on its safety and tolerability profile.Acute bacterial skin and skin structure infections (ABSSSIs) are one of the most common types of infections due to methicillin-resistant Staphylococcus aureus (MRSA). The standard of care for ABSSSI includes glycopeptides such as vancomycin, teicoplanin, oxazolidinones and fluoroquinolones, which are potent broad-spectrum antibacterial agents. Unfortunately, due to indiscriminate utilization, resistance to these agents is rising and identification of novel agents is an urgent unmet medical need. In this context, levonadifloxacin (WCK-771) is a novel, hydrate arginine salt of nadifloxacin with improved bactericidal activity against MRSA as well as fluoroquinolone-resistant S. aureus by targeting bacterial DNA supercoiling enzymes DNA gyrase and topoisomerase IV. Levonadifloxacin displays a broad-spectrum bactericidal activity against Gram-positive and Gram-negative bacteria, atypical bacteria, anaerobic bacteria and bioterror pathogens with a very low frequency of mutation. Levonadifloxacin also displays improved activity under low pH biofilm environments. The drug has successfully completed phase I, phase II and phase III clinical trials in India. The U.S. Food and Drug Administration (FDA) granted a Qualified Infectious Disease Product (QIDP) designation to levonadifloxacin for the treatment of MRSA infections in August 2014.Bempedoic acid is a new, first-in-class oral ATP-citrate lyase (ACLY) inhibitor that has to be converted to its CoA thioester before it inhibits ACLY. This conversion only occurs in the liver and not in skeletal muscle. This may explain why, unlike the statins, bempedoic acid does not cause myalgia. Bempedoic acid given at a dosage of 180 mg orally once daily produces a highly significant reduction in low-density lipoprotein cholesterol (LDL-C), non-high-density lipoprotein cholesterol, total cholesterol, apolipoprotein B and importantly also in high-sensitivity C-reactive protein. It has recently been approved by both the Food and Drug Administration (FDA) and the European Commission for use in adult patients with heterozygous familial hypercholesterolemia or atherosclerotic cardiovascular disease who require additional lowering of LDL-C, and for the treatment of adults with primary hypercholesterolemia (heterozygous familial and nonfamilial) or mixed dyslipidemia, respectively.Avapritinib is a tyrosine kinase inhibitor (TKI) that has recently received Food and Drug Administration (FDA) approval for the treatment of metastatic or unresectable gastrointestinal stromal tumors harboring a platelet-derived growth factor receptor alpha (PDGFRA) exon 18 mutation. Mutations in the activation loop of PDGFRA or KIT confer resistance to conventional TKIs due to structural changes in the receptor. Avapritinib was developed to selectively target these mutations, thereby offering a new treatment option for patients in whom imatinib, sunitinib, and regorafenib have failed. This review covers the basic science and preclinical studies that guided avapritinib's development, in addition to the data currently available from early clinical studies as well as those later-stage trials that led to its approval.At the 56th Global Annual Meeting of the Drug Information Association (DIA), attendees met virtually during the height of the global COVID-19 pandemic for "rapid cross-stakeholder, cross-border collaboration" to support health worldwide. Sessions included presenters and speakers from regulatory, patient advocacy and academia sectors, with patients at the forefront of those discussions. #link# This report covers various presentations and panel discussions from the 4-day meeting that focus on COVID-19, innovative trial designs spurred by a need to adapt amid a pandemic, digital health, novel products inspiring new regulatory standards, clinical trials, data collection and management, the need for more and better data and the ever-increasing importance of the patient perspective.Mantle cell lymphoma (MCL) has historically been an aggressive disease with poor long-term survival. In the last decade, Bruton tyrosine kinase (BTK) inhibition has emerged as a new treatment strategy for MCL, especially in the relapsed/refractory (r/r) setting. Zanubrutinib, a second-generation BTK inhibitor, was approved by the U.S. Food and Drug Administration (FDA) in late 2019 for r/r MCL on the basis of combined overall response rate of 84% in a total of 118 patients from two multicenter clinical trials, BGB-3111-AU-003 and BGB-3111-206. Duration of response was 14-18 months. Although 57% of patients developed grade 3 and 4 adverse side effects including anemia, pneumonia and neutropenia, only 8% discontinued treatment suggesting zanubrutinib monotherapy was fairly well tolerated. As compared to first-generation ibrutinib, zanubrutinib has higher BTK selectivity which may result in fewer off-target effects and improved potential for combination with other targeted therapies. In addition to a confirmatory phase III trial, there are multiple ongoing studies evaluating zanubrutinib as part of two- and three-drug regimens in MCL and other B-cell malignancies. These current results and areas of further interest indicate an exciting future for zanubrutinib in the treatment of MCL.There is a need for new and effective topical treatment options for psoriasis. Recent phase I and II clinical trials have demonstrated efficacy of the novel nonsteroidal drug tapinarof to treat mild to moderate plaque psoriasis. Tapinarof is an aryl hydrocarbon receptor (AHR) agonist that induces antioxidant, immunomodulatory and epidermal differentiation regulation pathways. In this review, we examine the current preclinical and clinical studies with a focus on the mechanism of action, pharmacokinetics, safety and efficacy of tapinarof to treat psoriasis.
Ripasudil (K-115) is a novel Rho-associated protein kinase (ROCK) inhibitor. https://www.selleckchem.com/products/arv-771.html -ROCK pathway regulates key downstream effectors involved in many cellular functions, in particular in the actin cytoskeleton activity. The clinical effects of ripasudil expected on the eye include an intraocular pressure-lowering effect and a wound-healing activity on corneal endothelial cells, but many other functions are currently under investigation. To date, ripasudil has been approved in Japan (2014) for the treatment of glaucoma and ocular hypertension, and several clinical trials are currently investigating its role in the treatment of Fuchs' corneal dystrophy. In this review, we will discuss its pharmacokinetics, pharmacodynamics and clinical efficacy, focusing also on its safety and tolerability profile.Acute bacterial skin and skin structure infections (ABSSSIs) are one of the most common types of infections due to methicillin-resistant Staphylococcus aureus (MRSA). The standard of care for ABSSSI includes glycopeptides such as vancomycin, teicoplanin, oxazolidinones and fluoroquinolones, which are potent broad-spectrum antibacterial agents. Unfortunately, due to indiscriminate utilization, resistance to these agents is rising and identification of novel agents is an urgent unmet medical need. In this context, levonadifloxacin (WCK-771) is a novel, hydrate arginine salt of nadifloxacin with improved bactericidal activity against MRSA as well as fluoroquinolone-resistant S. aureus by targeting bacterial DNA supercoiling enzymes DNA gyrase and topoisomerase IV. Levonadifloxacin displays a broad-spectrum bactericidal activity against Gram-positive and Gram-negative bacteria, atypical bacteria, anaerobic bacteria and bioterror pathogens with a very low frequency of mutation. Levonadifloxacin also displays improved activity under low pH biofilm environments. The drug has successfully completed phase I, phase II and phase III clinical trials in India. The U.S. Food and Drug Administration (FDA) granted a Qualified Infectious Disease Product (QIDP) designation to levonadifloxacin for the treatment of MRSA infections in August 2014.Bempedoic acid is a new, first-in-class oral ATP-citrate lyase (ACLY) inhibitor that has to be converted to its CoA thioester before it inhibits ACLY. This conversion only occurs in the liver and not in skeletal muscle. This may explain why, unlike the statins, bempedoic acid does not cause myalgia. Bempedoic acid given at a dosage of 180 mg orally once daily produces a highly significant reduction in low-density lipoprotein cholesterol (LDL-C), non-high-density lipoprotein cholesterol, total cholesterol, apolipoprotein B and importantly also in high-sensitivity C-reactive protein. It has recently been approved by both the Food and Drug Administration (FDA) and the European Commission for use in adult patients with heterozygous familial hypercholesterolemia or atherosclerotic cardiovascular disease who require additional lowering of LDL-C, and for the treatment of adults with primary hypercholesterolemia (heterozygous familial and nonfamilial) or mixed dyslipidemia, respectively.Avapritinib is a tyrosine kinase inhibitor (TKI) that has recently received Food and Drug Administration (FDA) approval for the treatment of metastatic or unresectable gastrointestinal stromal tumors harboring a platelet-derived growth factor receptor alpha (PDGFRA) exon 18 mutation. Mutations in the activation loop of PDGFRA or KIT confer resistance to conventional TKIs due to structural changes in the receptor. Avapritinib was developed to selectively target these mutations, thereby offering a new treatment option for patients in whom imatinib, sunitinib, and regorafenib have failed. This review covers the basic science and preclinical studies that guided avapritinib's development, in addition to the data currently available from early clinical studies as well as those later-stage trials that led to its approval.At the 56th Global Annual Meeting of the Drug Information Association (DIA), attendees met virtually during the height of the global COVID-19 pandemic for "rapid cross-stakeholder, cross-border collaboration" to support health worldwide. Sessions included presenters and speakers from regulatory, patient advocacy and academia sectors, with patients at the forefront of those discussions. #link# This report covers various presentations and panel discussions from the 4-day meeting that focus on COVID-19, innovative trial designs spurred by a need to adapt amid a pandemic, digital health, novel products inspiring new regulatory standards, clinical trials, data collection and management, the need for more and better data and the ever-increasing importance of the patient perspective.Mantle cell lymphoma (MCL) has historically been an aggressive disease with poor long-term survival. In the last decade, Bruton tyrosine kinase (BTK) inhibition has emerged as a new treatment strategy for MCL, especially in the relapsed/refractory (r/r) setting. Zanubrutinib, a second-generation BTK inhibitor, was approved by the U.S. Food and Drug Administration (FDA) in late 2019 for r/r MCL on the basis of combined overall response rate of 84% in a total of 118 patients from two multicenter clinical trials, BGB-3111-AU-003 and BGB-3111-206. Duration of response was 14-18 months. Although 57% of patients developed grade 3 and 4 adverse side effects including anemia, pneumonia and neutropenia, only 8% discontinued treatment suggesting zanubrutinib monotherapy was fairly well tolerated. As compared to first-generation ibrutinib, zanubrutinib has higher BTK selectivity which may result in fewer off-target effects and improved potential for combination with other targeted therapies. In addition to a confirmatory phase III trial, there are multiple ongoing studies evaluating zanubrutinib as part of two- and three-drug regimens in MCL and other B-cell malignancies. These current results and areas of further interest indicate an exciting future for zanubrutinib in the treatment of MCL.There is a need for new and effective topical treatment options for psoriasis. Recent phase I and II clinical trials have demonstrated efficacy of the novel nonsteroidal drug tapinarof to treat mild to moderate plaque psoriasis. Tapinarof is an aryl hydrocarbon receptor (AHR) agonist that induces antioxidant, immunomodulatory and epidermal differentiation regulation pathways. In this review, we examine the current preclinical and clinical studies with a focus on the mechanism of action, pharmacokinetics, safety and efficacy of tapinarof to treat psoriasis.
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