Articles tagged with Antibiotics
A Phase 2 clinical trial found that a probiotic reduced S. aureus colonization by 96.8% in the stool and 65.4% in the nose. The probiotic Bacillus subtilis was administered orally, surviving passage through the stomach, and did not harm gut microbiota.
Researchers at University of Galway outline a potential new treatment option for MRSA infections using purine nucleosides. The study shows that these sugar versions of DNA building blocks can interfere with bacterial signaling systems, making bacteria more susceptible to penicillin-type antibiotics.
A new study published in Evolution, Medicine, and Public Health found that proper hand hygiene in clinical work can reduce the spread of antibiotic-resistant bacteria. The researchers developed a mathematical model to predict how good or poor hygiene affects resistance evolution, and tested it against data from 691 long-term care facil...
Researchers developed an injectable hydrogel that inhibits common bacteria and promotes tissue regrowth, treating infections around prosthetics. The gel has a porous structure, excellent injectability, and rapid self-healing properties.
Research from Karolinska Institutet found high levels of antibiotic residues in waterways, including wastewater and drinking water, in regions such as China and India. The study suggests these residues contribute to antibiotic resistance, a global threat to human health.
A study of 187 cancer patients found that delaying antibiotic treatment past 60 minutes didn't affect their 6-month survival rate. However, factors such as symptom severity and time to hospital admission were associated with increased risk of death.
Researchers discovered that enterococci, a type of antibiotic-resistant bacteria, can make C. difficile more potent and dangerous by producing amino acids. This understanding could help doctors identify patients at risk and develop new treatments for the deadly infection.
A UMass Amherst microbiologist is working to develop new treatments for tuberculosis by targeting the bacteria's surface structure. The goal is to create a drug that can disrupt the cell envelope, making the bacteria vulnerable to attack.
Researchers at Hokkaido University have developed a new class of antibacterial compounds targeting MraY, effective against MRSA and VRE. The findings provide a promising lead for the development of more effective antibiotics against multidrug-resistant bacteria.
Researchers at Princeton University have isolated a compound called cloacaenodin, which is a potent antibacterial peptide that can kill clinically relevant drug-resistant strains of Enterobacter. This discovery has significant implications for the treatment of bacterial infections and could lead to new antibiotic development.
Researchers from Florida International University have patented a synthetic antibiotic, arsinothricin (AST), which is effective against antibiotic-resistant bacteria. The team aims to produce large quantities of the drug to combat the growing number of infections that have become resistant to current antibiotics.
A new study at the University of Tokyo has mapped the evolution and process of natural selection in Escherichia coli bacteria, creating fitness landscapes that help understand drug resistance and potential treatments. The researchers hope their results will be useful for predicting and controlling E. coli and other bacteria.
YgaV plays a crucial role in regulating the expression of anaerobic respiratory genes and managing ROS levels in response to external H2S. This helps bacteria fine-tune their metabolism and increase antibiotic tolerance.
MIT researchers have identified molecules found in mucus that can block cholera infection by interfering with the genes that cause the microbe to switch into a harmful state. The protective molecules, known as glycans, prevent Vibrio cholerae from producing the toxin that usually leads to severe diarrhea.
Researchers at Lund University discovered an antibody with potential to protect against Strep A infection and a rare form of binding that leads to effective immune response. The finding could explain why many Group A strep vaccines have failed.
Researchers at the University of Bristol have created a new technique to construct rare molecules found in Bahamian sediments, which could lead to cheaper and more accessible treatments for diseases. The breakthrough reduces the production time of these complex molecules from over 20 steps to just 14.
Researchers have uncovered a new mechanism of antibiotic resistance in Group A Streptococcus bacteria, making antibiotics ineffective and potentially leading to poor outcomes. The discovery highlights the complexity of understanding AMR and emphasizes the need for rapid diagnostic tools and therapeutics.
Researchers found that antibiotic treatment led to significant changes in Candida albicans populations, varying by individual's microbiota. The degree of fungal overgrowth depended on the activity of beta-lactamase enzyme produced by endogenous bacteria.
A Rutgers study found that COVID-19 patients, especially those treated with antibiotics, experience significant disruptions in their gut microbiome balance. This imbalance may lead to the development of targeted probiotic supplements to improve treatment outcomes.
A collaborative research team led by Dr Philip Li from HKUMed has pioneered a new nurse-led penicillin allergy triage and testing strategy, which demonstrated its effectiveness and safety compared to traditional allergy testing. The study found that 90% of penicillin allergy labels in Hong Kong are incorrect, leading to potential letha...
A new tablet-based vaccine has shown long-lasting protection against bacteria that cause urinary tract infections (UTIs) in mice. The vaccine was found to be comparable to antibiotics in efficacy, with durable antibody responses lasting for the lifetime of a mouse.
A study of over 1,000 healthcare workers found that medical masks may be as effective as N95 respirators in preventing COVID-19 infection. However, the results varied across countries and were influenced by factors such as vaccine use and variant circulating during the pandemic.
Researchers discovered antibiotic-resistant bacteria can travel from the gut to the lungs in a patient, highlighting the importance of preventing pathogenic bacteria from translocating to vital organs. The study's findings suggest eliminating resistant bacteria from the gut microbiome could help prevent serious infections.
Long-term use of systemic antibiotics can alter the gut microbiome, leading to reduced bone mass accrual and impaired skeletal maturation. Researchers found that minocycline therapy causes changes to the gut microbiome, disrupting normal communication between the liver and small intestine.
The American College of Physicians recommends policies to improve healthcare access and quality for incarcerated patients, including adequate funding and timely access to necessary services. The organization also supports treating substance use disorders as an alternative to incarceration.
The number of Candida auris cases in the EU/EEA nearly doubled between 2020 and 2021, with 11% of cases having no available information on carriage or infection. Early detection is crucial to prevent the spread of this healthcare-associated pathogen.
A systematic review of 29 studies found that combining probiotics with antibiotics can prevent or lessen some changes to the gut microbiome composition. Probiotics can also help protect species diversity and restore friendly bacteria populations, such as Faecalibacterium prausnitzii.
A new study by Weill Cornell Medicine investigators finds that Enterococcus faecalis enhances its protective outer layer to resist natural immune defenses and antibiotics. The research suggests possible new ways to target these bacterial infections.
Research suggests that antibiotics used in ovarian cancer treatment can accelerate cancer progression and lower survival rates. Reintroducing healthy gut bacteria may slow down cancer growth and restore sensitivity to chemotherapy.
A new label indicating responsible antibiotic use (RAU) in dairy milk could entice conventional farmers to minimize antibiotics, with half of US adults willing to buy RAU-labeled milk. The price point would need to be competitive with conventional milk, but consumers are more willing to pay for the label.
A new treatment option for multi-resistant bacteria has been identified by a UNIGE team, which uses the drug edoxudine to weaken the defence mechanisms of Klebsiella pneumoniae, making it easier to eliminate. This approach could be a game-changer in the fight against antibiotic resistance.
A major clinical trial found that a short course of antibiotics can significantly reduce the risk of stomach bleeding caused by regular aspirin use, potentially improving its safety. The study involved 30,166 patients taking aspirin and showed rapid protection from hospital admissions for ulcer bleeding.
Researchers at UIC have developed a new method to study ribosome function by attaching peptides to tRNAs, providing high-resolution structures of the ribosome and its interactions with nascent chains. This breakthrough sheds light on protein synthesis and antibiotic resistance.
Researchers have developed a way to load potent antibiotics like Polymyxin B into red blood cells, allowing them to selectively target and kill drug-resistant bacteria. This technology could help address the ongoing antibiotic resistance crisis and deliver drugs more quickly and directly to specific sites in the body.
Researchers at Osaka University have discovered the spatial characteristics of an efflux pump that helps bacteria resist antibiotics. By analyzing a specific inhibitor's binding site, they found bulky mutations can prevent the inhibitor from working, offering hope for developing new countermeasures to combat antibiotic resistance.
Researchers found a significant association between NTM infection and increased mortality in patients with end-stage renal disease. Early diagnosis and treatment may improve survival. NTM can cause nonspecific symptoms like fever and weight loss, and patients with compromised immune systems are at higher risk.
A new drug combination of cefepime and enmetazobactam has been found to be more effective in treating complicated urinary tract infections and acute pyelonephritis than a standard treatment. The study showed that the new combination was successful in treating 79% of patients, compared to 58.9% for the conventional treatment.
A recent study by University of Gothenburg researchers found that nearly twice as many Swedes are willing to obtain antibiotics without prescriptions than previously thought. Trust in healthcare plays a significant role in this behavior, with low trust linked to increased prescription without a doctor's order.
A collaborative team at IGB discovered 30 new compounds, including three with antibacterial properties, using the Illinois Biological Foundry for Advanced Biomanufacturing. The platform allowed for rapid screening of hundreds of genes and pathways, enabling the researchers to identify potential anti-microbial compounds.
Researchers at UCalgary have shown that the antibiotic D-Cycloserine (DCS) increases the effectiveness of transcranial magnetic stimulation (TMS) for people with major depressive disorder. The combination treatment showed significant benefits, including improved depressive symptoms and anxiety levels.
Research by the University of Exeter found high levels of antibiotic ciprofloxacin in UK wastewater, posing a significant risk to human health. The study suggests that antibiotic pollution from human waste can increase resistance to antibiotics, even in countries with well-established sanitation infrastructures.
A new study published in the European Respiratory Journal found that early treatment with anti-anaerobic antibiotics can deplete gut anaerobes and lead to worse clinical outcomes. The research suggests that these 'good bugs' protect against pneumonia, organ failure, and mortality.
Researchers at the University of Basel have discovered a new antibiotic, Dynobactin, effective against resistant Gram-negative bacteria. The compound blocks bacterial membrane protein BamA, preventing its job and killing the bacteria. This finding offers a boost to antibiotics research and could lead to more effective drugs.
Researchers have discovered a novel antimicrobial compound, evybactin, that selectively targets Mycobacterium tuberculosis, a bacteria that causes tuberculosis. This breakthrough could lead to the development of new treatments for tuberculosis without contributing to antibiotic resistance.
A secondary analysis of a randomized clinical trial found that positive patient beliefs about antibiotic effectiveness for appendicitis are linked to lower risk of surgery and faster symptom resolution. This association remains unclear, with further research needed to understand its underlying mechanisms.
Researchers found a 'zero-price effect' in Japan's child healthcare system, where zero cost increases demand for health services. However, this can lead to poor allocation of resources and overuse of antibiotics.
A randomized clinical trial and meta-analysis found that antibiotic eye drops significantly shortened symptoms of conjunctivitis in children. The study's results suggest a promising treatment option for this common childhood condition.
Researchers found that Fecal Microbiota Transplant (FMT) using capsules has a cure rate of 86% at one month and 81% at two months for recurrent CDI, comparable to colonoscopic FMT. Patient selection is key to optimizing FMT success.
Researchers at Brigham and Women's Hospital and MIT have developed RoboCap, a robotic capsule that delivers drugs to the gut by clearing mucus and churning to enhance absorption. In preclinical models, RoboCap increased drug permeability by over 10-fold for insulin and vancomycin.
Researchers found that discounted prices were 1.5 times higher for human medications than for pet medications, affecting over 60% of medications.
Researchers at Indiana University School of Medicine have identified the autophagy pathway in hair cells linked to permanent hearing loss caused by aminoglycosides. The study developed laboratory models with reduced RIPOR2 expression, which did not exhibit hair cell death or hearing loss when treated with antibiotics.
A new guideline published in Clinical & Experimental Allergy aims to improve the testing process for penicillin allergies among patients. The guidelines provide recommendations on patient selection, risk stratification, and drug provocation testing, aiming to reduce errors and ensure accurate diagnosis.
A new study led by NYU researchers has developed a topical gel that targets the succinate receptor to suppress inflammation, reduce bacterial imbalance, and prevent bone loss. The treatment has shown promise in reducing gum disease symptoms, including inflammation and tooth loss.
Researchers found that poor infrastructures, low awareness, and unstable funding hinder efforts to implement global guidelines for antimicrobial resistance. The study highlights the need for tailored interventions responsive to local needs.
Using artificial intelligence, researchers from Tufts University have devised rules for faster and more effective identification of potential new drug cocktails against tuberculosis. The study developed a set of design principles to assemble drug combinations, reducing the amount of testing needed before moving to further study.
The Society for Healthcare Epidemiology of America highlights the need to strengthen antibiotic stewardship programs to address overuse of antibiotics in early stages of viral epidemics. The guidance provides strategies for hospitals and healthcare personnel to improve antibiotic prescribing and diagnostic testing.
Researchers have engineered an enzyme that can degrade the capsule of antibiotic-resistant B. anthracis bacteria, making it susceptible to the immune system. The new treatment, which combines the enzyme with a mouse antibody, shows promise in treating anthrax infections without antibiotics.
Researchers at Imperial College London discovered a 'silent' mutation in bacteria that helps them evade antibiotics. The mutation alters the structure of an mRNA intermediate, preventing ribosomes from producing protein, and has arisen independently several times globally.
Scientists at Aston University developed a new treatment combining manuka honey with the widely used antibiotic amikacin to treat drug-resistant lung infections. The study found that this combination improved bacterial clearance and reduced side effects, benefiting patients with cystic fibrosis.
A novel method developed by Brazilian researchers can analyze bacterial samples without isolating live bacteria, making it easier to detect antibiotic resistance in Streptococcus pneumoniae. The technique was tested on 873 samples and found that 51% were sensitive to antibiotics, while 17% were resistant.