Articles tagged with Antibiotics
The report highlights the growing problem of antibiotic resistance, its major causes and consequences, and identifies key areas in which action is urgently needed. The authors call for a fundamental shift in how antibiotics are developed, financed, and prescribed to address this threat.
Researchers found that probiotic Enterococcus faecium reduced pathogenic E. coli strains in piglets' intestines, promoting gut balance and reducing antibiotic use. The study suggests probiotics could substitute for antibiotics as growth promoters.
Researchers have identified a novel toxin produced by bacteria that can inhibit bacterial growth by blocking DNA replication machinery, providing new therapeutic avenues for developing next-generation antibiotics.
Northeastern researchers have developed a new treatment to cure MRSA infections by targeting dormant cells called persisters. The approach uses a drug called ADEP, which effectively wakes up and eliminates these expert survivors, leading to complete eradication of the bacterial population.
A study published in JAMA found that coprescribing calcium-channel blockers with clarithromycin increases the risk of hospitalization with acute kidney injury and hypotension. The risk was highest among patients taking nifedipine, suggesting a need for quality improvement initiatives to mitigate this largely preventable drug-drug inter...
A new clinical score test for patients with sore throats can reduce antibiotic use by almost 30% and improve symptoms more quickly. The FeverPAIN score considers fever, pus infection, rapid attendance, inflamed tonsils, and cough or cold symptoms to determine if antibiotics are needed.
Researchers at Oregon State University have discovered a new way to produce novel compounds with antibiotic potential by deleting a master regulator gene in a common fungus. This finding opens up the door to studying dozens of new compounds and potentially discovering new antibiotics.
Researchers at University of Copenhagen have developed a substance that kills multi-resistant bacteria quickly and effectively, employing a multifunctional mechanism. The findings demonstrate the potential for HDM-4 to combat bacterial infections, strengthening the human immune response.
A new €6 million global research program, CF Matters, aims to develop personalized antibiotic treatments for Cystic Fibrosis patients. The study will use molecular next-generation DNA sequencing methods to detect bacteria present in patients' sputum and determine the most effective antibiotic treatment.
Researchers at McMaster University have developed a novel approach to find new antibiotics by targeting the processes that bacteria use to produce essential vitamins and amino acids. The study identifies chemical compounds that block these processes, potentially providing much-needed therapies to address antibiotic drug resistance.
A recent trial found that honey did not offer better protection against infection than standard antibiotics in patients undergoing peritoneal dialysis. The study involved 371 participants and showed no significant difference in the time to first infection between the two groups.
Notre Dame researchers discovered how MRSA regulates its cell wall in response to beta-lactam antibiotics, enabling drug resistance. They also found a way for a new antibiotic, ceftaroline, to target and inhibit the enzyme responsible for resistance.
Research from Brigham and Women's Hospital finds that only 10% of adults with sore throat have strep, yet national antibiotic prescribing rate remains at 60%. The study also shows no change in emergency department visits for sore throat during the same period.
A study found a pill-based fecal transplant to be effective in stopping recurrent C. diff infections, achieving a 100% success rate among patients. The treatment involves taking capsules containing fecal bacteria, rebalancing the gut microbiome and preventing future infections.
A study analyzing two national surveys found that antibiotics are prescribed in 60% of sore throat visits and 73% of acute bronchitis visits, despite being ineffective for viral infections. The misuse of antibiotics contributes to the creation of antibiotic-resistant superbugs, posing a public health threat.
A study found that antimicrobial therapy was a significant risk factor for vancomycin-resistant enterococci (VRE) in a Greek NICU. Adherence to infection control measures and antimicrobial stewardship policies are crucial to prevent VRE outbreaks.
Researchers at Ruhr-University Bochum have investigated how plasmas affect bacterial cells, finding that they attack the cell envelope, DNA, and proteins. This discovery could lead to the development of alternative treatments for chronic wounds and root canal disinfection.
Researchers mapped C.diff cases in Oxfordshire and found most cases weren't hospital-borne, but rather acquired elsewhere. Restricting antibiotic use may be more effective in reducing C.diff infections than infection control measures.
A study published in Annals of Surgery found that immediate surgery reduces complications and shortens hospital stays by up to 50% compared to delaying surgery. Patients who underwent early surgery had fewer complaints and were discharged earlier, resulting in lower hospitalization costs.
Hospitalizations for endocarditis have declined in recent years, but a disparity in outcomes persists among black patients. The study suggests that a reduction in antibiotic use may be contributing to the decline, and clinicians should consider individual risks and benefits on a case-by-case basis.
Researchers at UC San Diego have developed a revolutionary method to identify and characterize antibiotics, providing a powerful tool to combat antibiotic-resistant bacteria. The new approach enables the rapid prioritization of promising molecules, accelerating the development of new medicines.
Researchers in Italy found a local low-cost information campaign significantly decreased antibiotic prescribing rates by 11.9%, outperforming the national decrease of 3.2%. The campaign's effectiveness was attributed to doctors' endorsement and increased awareness, not patient pressure.
A new study by Montefiore Medical Center found that low dose oral vancomycin was as effective as high dose in treating serious Clostridium difficile (CDI) infections. Patients treated with low dose vancomycin showed clinical improvements similar to those treated with high dose, and comparable results were seen in secondary endpoints.
A recent study published at the Interscience Conference on Antimicrobial Agents and Chemotherapy found that patients treated with ceftaroline fosamil (CPT-F) for MRSA pneumonia had a significantly lower mortality rate of 13% compared to standard treatment with vancomycin, which has a reported mortality rate of 32% after 28 days.
A new study found that a prescribing protocol with automatic stop dates and pharmacist support significantly reduced antibiotic use and side-effects. The protocol led to a near 20% reduction in antibiotics prescribed and a 40% reduction in related side-effects.
Researchers have identified changes in the microbiome that can predict chemotherapy-induced diarrhea and developed new diagnostics, including a breath test for fungal disease. A single dose of an antibiotic candidate has been found to be as effective as a week-long course of vancomycin for certain skin infections.
Researchers found that antibiotics create a nutrient surplus in the gut, allowing pathogens to establish themselves. The study suggests that friendly gut bacteria compete with pathogens for nutrients, and when this defense falters, harmful microorganisms can thrive.
Researchers at Johns Hopkins Medicine found that a blood pressure medication speeds up TB treatment in mice, potentially making it easier for infected people to complete their therapy. The study suggests verapamil, commonly used to treat high blood pressure and headaches, could be an effective add-on therapy when combined with standard...
Fecal microbiota transplantation (FMT) has shown remarkable cure rates for recurrent C. difficile infection, with up to 92% of patients cured and an astounding 98% secondary cure rate. FMT also treats various GI disorders, including inflammatory bowel disease and irritable bowel syndrome.
Researchers developed a mathematical model to estimate anthrax infection risk, estimating that inhaling 11,000 spores would be needed to reach a 50% chance of infection. The study also found the optimal time to take antibiotics is 60 days after exposure.
A recent study found that diabetic patients taking oral fluoroquinolones have a higher risk of severe blood sugar-related problems compared to those taking other antibiotics. The increased risk was low, but clinicians should consider this when treating diabetic patients with fluoroquinolones, especially moxifloxacin.
A large trial of nearly 3000 participants found that probiotic supplements did not reduce the incidence of antibiotic-associated diarrhea. The study also showed no difference in the frequency and severity of diarrhea between those who received probiotics and those who took a placebo.
A biodegradable plastic, dissolvable suture material has shown promise in reducing hospital stays for patients with brain infections. The material released vancomycin, a powerful antibiotic that killed many microbes, including MRSA.
Dr Lindsay Hall's five-year research project will investigate the establishment of infant gut bacterial communities and their protection against infection. The study aims to explore new probiotic bacteria to restore the microbial community and enhance the body's ability to fight infection.
The article reveals that antibiotic resistance among hospital-acquired infections is much greater than prior CDC estimates, with resistance rates ranging from 11% to over 50%. The FDA's promise to reboot antibiotic development rules has fallen short, and the authors conclude that more than an FDA 'reboot' is needed to combat this crisis.
A new study published in The Lancet found that internet-based training can significantly lower antibiotic prescribing rates for acute respiratory tract infections. Clinicians who received training in using CRP tests or enhanced communication skills reduced their prescribing rates by 47% and 32%, respectively. Combining both types of tr...
Reducing overall antibiotic consumption does not necessarily decrease resistance, particularly for MRSA, where some antibiotics like clindamycin and methicillin are more effective in reducing resistance. The success of antibiotic reduction programs depends on the targeted antibiotics that are reduced.
Researchers found that rapamycin increased longevity in mice by reducing cancer rates and improving memory and spatial learning. However, the drug had limited effects on age-related symptoms such as cardiovascular function, muscle mass, and balance. The study suggests that rapamycin may be useful for treating some age-related conditions.
Researchers at the National Institutes of Health found that HSP70 produced by supporting cells in the inner ear prevents antibiotic-induced hair cell death. Extracellular HSP70 has potential to be used therapeutically to prevent aminoglycoside-induced hearing loss, currently without treatments.
A new study analyzed dynamical properties in antibiotic resistance enzyme β-lactamase, finding significant evolution across bacterial families without limiting new antibiotic resistance. Minor changes in the enzyme's active site can adapt it to new antibiotics.
Researchers found that bacteriophages significantly reduce C. difficile cells and toxin production without harming the gut microbiota, offering a potential new therapeutic agent to combat hospital infections. However, some bacteria may develop resistance due to lysogeny, requiring further development to control C. difficile infections.
The overuse of antibiotics in livestock and poultry poses a significant risk to human health, according to experts. A growing body of evidence suggests that routine antibiotic use in animal feed can worsen the epidemic of antibiotic resistance, with many public health authorities agreeing that it is a major concern.
Researchers have discovered a bacterium in South America that produces poly-beta-hydroxybutyrate (PHB), a biodegradable compound used in the food, pharmaceutical, and cosmetic industries. The strain, Bacillus megaterium Uyuni S29, produces large amounts of PHB, making it a promising natural substitute for petroleum-based plastics.
Researchers discovered that antibiotics can cause oxidative stress, damaging human cells and leading to side effects. The team found two novel strategies: using bacteriostatic antibiotics or antioxidants like N-acetylcysteine to prevent or remediate oxidative stress.
Researchers discovered that bacteria like Burkholderia cenocepacia share small molecules to become resistant to antibiotics. This novel communication mechanism protects not only itself but also other susceptible bacteria.
A new study found that industrial livestock workers in North Carolina carry drug-resistant bacteria associated with livestock, including Staphylococcus aureus. The bacteria are resistant to multiple antibiotics and were more prevalent among workers exposed to industrial operations, which use antibiotics in animal feed and water.
A new class of antibiotic has been developed at the University of Adelaide, targeting a specific enzyme critical to bacterial metabolism. The compound, known as a protein inhibitor, binds to and inhibits biotin protein ligase, disrupting bacterial growth.
Researchers at Berkeley Lab have created an atomic-scale structure of a ribosome attached to a molecule that controls its motion, shedding light on how bacterial ribosomes work. This breakthrough could lead to the development of new antibiotics that target the specific weaknesses of bacterial ribosomes.
New research correlates oral ingestion of antibiotics with rapid rise in resistance. Alternative routes like injection may slow the spread of resistance genes. The study found that oral administration led to faster development of resistance in mice compared to injection.
Drusano's work in pharmacokinetic and pharmacodynamic modeling has been instrumental in simulating and validating dosing regimens to maximize the safety and efficacy of antibiotics. He is recognized for his groundbreaking research on anti-infective pharmacology and antimicrobial resistance.
Researchers at IRB Barcelona have successfully synthesized a marine compound, baringolin, which shows promising antibiotic activity at low concentrations. The team aims to improve its solubility and design more active analogues to develop a viable drug in the next 10 years.
Researchers have developed HIV-derived antibacterial compounds that target and disrupt bacterial membranes, showing powerful activity against clinically resistant bacteria. These engineered cationic antimicrobial peptides (eCAPs) may also be applicable to treatment of other respiratory infections and biodefense applications.
Scientists at Harvard University's Wyss Institute have found that low doses of silver can boost the efficacy of widely used antibiotics and make previously lethal bacteria sensitive again. This discovery holds promise for treating stubborn infections and developing new therapies against antibiotic-resistant infections.
Researchers found that an antibiotic can trigger its own production, increasing levels by dramatically. This breakthrough could enable faster and more cost-effective production of antibiotics.
Researchers from the University of Toronto have created an electronic chip that can analyze samples for panels of infectious bacteria in a matter of minutes. The technology can identify multiple pathogens and determine antibiotic resistance, addressing the urgent need for rapid diagnosis.
Researchers discover gut viruses confer antibiotic resistance to bacteria by transferring genes that help them withstand multiple antibiotics, raising concerns about the emergence of superbugs and the need for a new approach to mitigate development of antibiotic resistance
A study by St. Michael's Hospital found that patients taking probiotics with antibiotics experienced a significant reduction in antibiotic-associated diarrhea and C. difficle infection. This is likely due to the powerful effects of probiotics on population digestive tracts and immune systems.
Research suggests that 70% of women with uncomplicated urinary tract infections improve within a week without antibiotic treatment. The study's findings indicate that women may be more willing to delay antibiotic use than expected, highlighting the potential benefits of alternative treatments.
Researchers found that disrupting a mechanism in mitochondria using simple antibiotics can multiply lifespan by a factor of 1.6 in worms. The study suggests that reducing protein production in these organelles may lead to increased longevity. Further studies are needed to confirm the findings in mammals.
Researchers have developed a solar-powered nano filter that can remove harmful antibiotics and carcinogens from groundwater at a significantly higher rate than traditional activated carbon filters. The new filter uses two bacterial proteins to absorb 64% of antibiotics, offering an eco-friendly solution to combat antibiotic resistance.