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Clinical Trial With a Depigmented, Polymerized Mite Mixture Extract at Maximum Concentrations.
Immun Inflamm Dis
December 2024
Medical Affairs and Clinical Department, LETI Pharma S.L.U., Madrid, Spain.
Background: Efficacy of allergen immunotherapy is dose-dependent; however, high doses of allergen may imply a greater risk of adverse reactions.
Objective: To assess the safety and tolerability of subcutaneous immunotherapy (SCIT) with mixtures of mite allergen extracts, Dermatophagoides pteronyssinus/Blomia tropicalis (Dpt/Bt) and Dermatophagoides pteronyssinus/Lepidoglyphus destructor (Dpt/Ld) at maximum concentrations, in adult patients with allergic rhinitis or rhinoconjunctivitis, and controlled allergic asthma due to a clinically relevant sensitisation to these mites.
Methods: An open-label, noncontrolled, nonrandomised, phase IIb clinical trial was carried out in three hospitals in Spain between September 2014 and May 2018.
Dissociation between the anti-allodynic effects of fingolimod (FTY720) and desensitization of S1P receptor-mediated G-protein activation in a mouse model of sciatic nerve injury.
Neuropharmacology
December 2024
Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, VA, USA. Electronic address:
Sphingosine-1-phosphate (S1P) receptor (S1PR) agonists, such as fingolimod (FTY720), alleviate nociception in preclinical pain models by either activation (agonism) or inhibition (functional antagonism) of S1PR type-1 (S1PR1). However, the dose-dependence and temporal relationship between reversal of nociception and modulation of S1PR1 signaling has not been systematically investigated. This study examined the relationship between FTY720-induced antinociception and S1PR1 adaptation using a sciatic nerve chronic constriction injury (CCI) model of neuropathic pain in male and female C57Bl/6J mice.
View Article and Find Full Text PDFDiscovery of Triazolopyrimidine Derivatives as Selective P2X3 Receptor Antagonists Binding to an Unprecedented Allosteric Site as Evidenced by Cryo-Electron Microscopy.
J Med Chem
August 2024
School of Life Sciences, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.
The P2X3 receptor (P2X3R), an ATP-gated cation channel predominantly expressed in C- and Aδ-primary afferent neurons, has been proposed as a drug target for neurological inflammatory diseases, e.g., neuropathic pain, and chronic cough.
View Article and Find Full Text PDFL-carnitine co-administration prevents colistin-induced mitochondrial permeability transition and reduces the risk of acute kidney injury in mice.
Sci Rep
July 2024
Department of Clinical Pharmacology and Toxicology, University Hospital Zürich, University of Zürich, 8006, Zürich, Switzerland.
Colistin is a polymyxin antibiotic currently experiencing renewed clinical interest due to its efficacy in the treatment of multidrug resistant (MDR) bacterial infections. The frequent onset of acute dose-dependent kidney injury, with the potential of leading to long-term renal damage, has limited its use and hampered adequate dosing regimens, increasing the risk of suboptimal plasma concentrations during treatment. The mechanism of colistin-induced renal toxicity has been postulated to stem from mitochondrial damage, yet there is no direct evidence of colistin acting as a mitochondrial toxin.
View Article and Find Full Text PDFGrass pollen allergoids conjugated with mannan for subcutaneous and sublingual immunotherapy: a dose-finding study.
Front Immunol
July 2024
Inmunotek, Alcalá de Henares, Spain.
Background: Polymerized allergoids conjugated with mannan represent a novel approach of allergen immunotherapy targeting dendritic cells. In this study, we aimed to determine the optimal dose of mannan-allergoid conjugates derived from grass pollen ( and ) administered via either the subcutaneous or sublingual route.
Methods: A randomized, double-blind, placebo-controlled trial with a double-dummy design was conducted, involving 162 participants across 12 centers in Spain.
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