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Enhanced D614G and Omicron Variants Antibody Persistence in Infants at 2 Months of Age Following Maternal mRNA Booster Vaccination During Pregnancy or Postpartum.
Pediatr Infect Dis J
November 2024
National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD.
Background: Following maternal COVID-19 vaccination, the persistence of antibodies in sera and breast milk for mothers and infants is not well characterized. We sought to describe the persistence of antibodies through 2 months after delivery in maternal and infant serum and breast milk following maternal COVID-19 mRNA vaccination and to examine differences by receipt of booster dose during pregnancy or postpartum.
Methods: This is a prospective cohort study with enrollment from July 2021 to January 2022 at 9 US academic sites.
A Randomized, Blinded, Vehicle-Controlled Dose-Ranging Study to Evaluate and Characterize Remdesivir Efficacy Against Ebola Virus in Rhesus Macaques.
Viruses
December 2024
Gilead Sciences, Inc., Foster City, CA 94404, USA.
Ebola virus (EBOV) causes severe disease in humans, with mortality as high as 90%. The small-molecule antiviral drug remdesivir (RDV) has demonstrated a survival benefit in EBOV-exposed rhesus macaques. Here, we characterize the efficacy of multiple intravenous RDV dosing regimens on survival of rhesus macaques 42 days after intramuscular EBOV exposure.
View Article and Find Full Text PDFTime Reveals the Truth! What Treatments for COVID-19 Were Quickly Abandoned, and Which Methods, Contrary to Popular Belief, Are Still Flourishing?
J Biomed Phys Eng
December 2024
Faculty of Medicine, Szeged University, Szeged, Hungary.
During the early days of the COVID-19 pandemic, low dose radiation therapy (LDRT) was proposed as a potentially effective treatment method. To minimize potential toxicity, the initial treatment approach involved a few mGy of adapting radiation followed by a single 250 mGy whole lung challenging dose. However, antiviral drugs were also introduced as a promising treatment option, which were thought to have the potential to revolutionize the management of the crisis.
View Article and Find Full Text PDFAnnual SZ: An Alternative Immunotherapy for COVID-19 and Long COVID.
Infect Disord Drug Targets
December 2024
Department of Immunology, Faculty of Medical Sciences, Tarbiat Modarres University, Tehran, Iran.
Since the outbreak of coronavirus disease 2019 (COVID-19) in late 2019 and early 2020, the identification of drugs to control severe acute respiratory syndrome coro-navirus 2 (SARS-CoV-2) infection and its symptoms has been a pressing focus of research. Cytokine storm and acute respiratory distress syndrome (ARDS) are the leading causes of mortality following infection. In this review, we discuss immune pathogenesis and four medications, including Remdesivir, Tocilizumab, Dexamethasone, and Annual SZ for COVID-19.
View Article and Find Full Text PDFEffective, but Safe? Physiologically Based Pharmacokinetic (PBPK)-Modeling-Based Dosing Study of Molnupiravir for Risk Assessment in Pediatric Subpopulations.
ACS Pharmacol Transl Sci
December 2024
Department of Chemical Biology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany.
Despite the end of COVID-19 pandemic, only intravenous remdesivir was approved for treatment of vulnerable pediatric populations. Molnupiravir is effective against viruses beyond SARS-CoV-2 and is orally administrable without CYP-interaction liabilities but has a burden of potential bone or cartilage toxicity, observed at doses exceeding 500 mg/kg/day in rats. Especially, activity of molnupiravir against viruses, such as Ebola, with high fatality rates and no treatment option warrants the exploration of potentially effective but safe doses for pediatric populations, i.
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