Articles tagged with Antibiotics
A University of Bristol team has developed a new portable device to help doctors select the right antibiotic for a patient's infection. The rapid diagnostic test can determine which antibiotic is most effective within 20 minutes, reducing unnecessary use and potential complications.
Researchers at Colorado State University have developed a new biomaterial that effectively prevents the formation of biofilms by Pseudomonas aeruginosa, a virulent superbug. This breakthrough could lead to the creation of antibacterial surfaces for wound dressings and other medical applications.
Researchers developed a tool using genetic markers to distinguish between viral and bacterial infections, aiming to reduce antibiotic misuse. The test accurately classified patients with bacterial infections 80-90% of the time, helping physicians avoid unnecessary antibiotics.
The implementation of antibiotic stewardship guidelines in a NICU significantly reduced late-onset sepsis evaluations by 2.65 per year and per provider, with physicians following guidelines for 98.75% of treatments performed.
Experts argue that stopping antibiotics sooner is a safe and effective way to reduce antibiotic overuse, contradicting the long-held 'complete the course' message.
Researchers warn of harm to beneficial microbes and ecosystems from antibiotic runoff into natural systems, calling for improved wastewater treatment and responsible use. The review article explores commonly used antibiotics' impact on microbes essential to a healthy environment.
A new study from India reveals high levels of antibiotic-resistant pathogens in chickens raised for both meat and eggs on farms in Punjab state. The study found that nearly 60% of E. coli isolates contained enzymes conferring drug resistance to key medications, raising concerns about the consequences to human health.
A study analyzing 139,938 births in Quebec found links between clindamycin, doxycycline, and quinolones with organ-specific malformations. Physicians should consider alternative antibiotics for pregnant patients
Researchers found MRSA's resistance gene in S. aureus isolates dating back to the mid-1940s, 14 years before methicillin's introduction. The study highlights the importance of surveillance and genome sequencing to combat antibiotic resistance.
Monash University researchers have identified a key part of the process by which a common clinical antibiotic is formed, paving the way for novel compounds to tackle bacterial resistance. By understanding this process, scientists can manipulate it to create modified compounds that could help combat superbugs.
A recent study published in the British Journal of Surgery found that topical antibiotics are moderately effective but not justified due to limited information on adverse effects. The research highlights the need to fight antibiotic resistance and encourages a more cautious approach to their use.
A study in mice found that antibiotics taken late in pregnancy and during nursing can alter the gut microbiome and increase the risk of inflammatory bowel disease (IBD) in offspring. The antibiotic treatment also caused lasting changes in the mothers' gut microbiomes, which were passed on to their offspring.
Researchers found a high prevalence of resistant bacteria strains in Kenyan individuals, with agriculture and prophylactic use of antibiotics contributing to the issue. The study suggests the need for effective public health policies and improved infection control measures.
A new clinical decision rule uses point scores and C-reactive protein to diagnose acute rhinosinusitis with good accuracy. The rule successfully identifies patients at low risk for bacterial infection, leading to more conservative use of antibiotics.
Researchers developed silver-silica nanoparticles with an ampicillin coating that target antibiotic-resistant bacteria while being inert to human cells. The nanoantibiotic showed efficacy against both resistant and non-resistant strains of E. coli, offering a promising strategy for combating drug-resistant infections.
Gonorrhea is a growing global health crisis with over 60% of countries reporting resistance to last-resort treatments. Gardp and Entasis partner on zoliflodacin, a novel first-in-class oral antibiotic with potent activity against drug-resistant strains.
A UK-based consortium will develop a platform for producing new antibiotics using bacteriocins, potent toxins produced by bacteria. The aim is to generate derivatives with drug-like properties while preserving their original potent bacteria-killing abilities.
A Penn study found a 189% increase in multiple recurring Clostridium difficile infections from 2001 to 2012, highlighting the growing need for effective treatments. Fecal microbiota transplantation shows promise but requires further evaluation for long-term safety.
A new study published in the New England Journal of Medicine found that antibiotics are effective in treating small skin abscesses when combined with drainage. The study showed higher cure rates for adults and children using clindamycin or trimethoprim-sulfamethoxazole, compared to drainage alone.
Researchers at the University of Lincoln have produced highly potent and simplified forms of teixobactin, which defeats multi-drug resistant infections like MRSA. The breakthrough comes after pinpointing exactly which amino acid makes teixobactin successful at killing off harmful bacteria.
A new study by Michigan Medicine finds that 60% of patients with acute conjunctivitis are prescribed antibiotic eye drops despite antibiotics rarely being necessary. The study also highlights the socioeconomic factors driving this trend and the potential negative consequences of overprescription.
A new method, MDK99, measures bacterial tolerance to antibiotics, allowing for more effective treatment and reduced risk of resistance. This metric helps classify bacteria as tolerant, resistant, or persistent, guiding treatment decisions.
Researchers have developed a rapid screening method to identify beneficial pairs of existing FDA-approved drugs to combat multi-drug resistant bacterial infections. The approach identified 14 drugs that could be paired synergistically, with the most promising pairing combining azidothymidine and floxuridine.
A new method, MDK99, measures bacterial tolerance to antibiotics, allowing clinicians to effectively treat antimicrobial-tolerant strains. This metric can also estimate the duration of antibiotic treatments and provide insights into the prevalence of tolerance, ultimately reducing treatment failure and resistance.
A study by Penn researchers found that antibiotics can significantly change the skin microbiome, leading to lingering effects even after treatment is stopped. Antiseptics, on the other hand, had a less durable impact and did not significantly alter the skin's microbial communities.
A study of 320 predominantly low-income, racially diverse adults with chronic low back pain found that yoga was as safe and effective as physical therapy in restoring function and relieving pain. Yoga and physical therapy groups showed similar improvements at 1 year, suggesting a reasonable alternative for patients.
Researchers have generated both novel and existing antibiotic resistance mechanisms in soil exposed to specific antibiotics. The study found 36 antibiotic resistance genes, including some multi-drug efflux pumps that pump antibiotics out of bacteria.
Researchers at Rutgers University have discovered a new antibiotic, pseudouridimycin, effective against both drug-sensitive and drug-resistant bacteria. The compound inhibits bacterial RNA polymerase through a unique mechanism, exhibiting no cross-resistance with existing antibiotics.
A new study from Washington University School of Medicine has found that a molecular decoy can target and reduce E. coli bacteria in the gut, reducing the risk of UTIs. The treatment, known as mannoside, works by binding to the bacteria's pilus, allowing it to be flushed out with urine.
Research finds that long-term care facilities struggle with infection control, lacking resources and training for qualified personnel. Key findings include high turnover rates, underutilized staff hours, and inadequate antibiotic stewardship programs.
A study of 1488 adult patients found that 20% experienced adverse reactions to antibiotics, with gastrointestinal and kidney issues being the most common. Nearly a fifth of these adverse effects were unnecessary and occurred in patients who didn't need antibiotics.
Parents' understanding of antibiotic risks and watchful waiting approaches can significantly impact their adherence to delay antibiotic use for common childhood illnesses. By enhancing physician instruction, compliance rates with this approach could be increased, potentially reducing unnecessary antibiotic overuse.
Researchers found decreasing rates of resistance to oxacillin and other antibiotics in Staphylococcus aureus, while ceftaroline remained highly active against MRSA. The study's findings suggest a potential decrease in the prevalence of community-acquired MRSA, highlighting the importance of monitoring antimicrobial resistance.
A new rapid molecular test for Staphylococcus aureus bloodstream infections allowed doctors and pharmacists to start targeted therapy sooner, leading to shorter hospital stays and lower readmission rates. This approach also resulted in a reduction of antibiotic usage.
Older adults with UTIs often don't show symptoms, but antibiotics can still cause harm. New research suggests that natural microorganisms in the body may help prevent UTIs. However, certain groups like pregnant women and those undergoing surgery may benefit from antibiotic treatment.
Researchers at Yale University have developed a novel chemical process to create a new class of antibiotics, which could help combat growing resistance. The discovery uses simple commercial chemicals to produce molecules related to the natural product pleuromutilin.
A team of researchers at Kiel University has developed a new strategy to combat multi-resistant pathogens by identifying which antibiotics can lead to increased susceptibility to other drugs. This concept, known as 'collateral sensitivity', offers hope in the fight against antibiotic resistance.
UCSB biologists develop new antimicrobial susceptibility test that mimics conditions in the body, identifying effective treatments for diverse bacteria. The revised test has significant implications for public health, allowing physicians to choose alternative drugs immediately if a standard test fails.
Researchers at Washington University in St. Louis have developed a method to synthesize ß-lactone peptides, a new class of antibiotics, by copying bacterial enzymes. These peptides inhibit serine hydrolases and may be useful in treating cancer, obesity, and infectious diseases.
Scientists at Scripps Research Institute have discovered a way to make vancomycin, an existing antibiotic, even more potent by adding three independent mechanisms of action. This new version has a 1,000-fold increase in activity against bacteria, making it a promising alternative to combat antibiotic-resistant infections.
Researchers at the University of Buffalo discovered that combining three ineffective antibiotics can eradicate two ESKAPE pathogens, including Acinetobacter baumannii and Klebsiella pneumoniae. The triple combination treatments provide a new weapon in the fight against superbug infections.
A recent study published in JAMA compared the effectiveness of antibiotics with and without MRSA activity for treating cellulitis. The results showed that while certain groups may benefit from these regimens, further research is needed to confirm the findings. The study also highlights limitations in the current trial design.
A new study using linked dental records shows that dentists are in good compliance with AHA guidelines on prophylactic antibiotic use. The study found no significant increase in cases of infective endocarditis following the introduction of updated guidelines.
Scientists at UCLA developed a laboratory test to determine the most effective treatment for gonorrhea. The new test led to a significant increase in the use of ciprofloxacin, from 0% to 34%, while reducing the use of ceftriaxone from 100% to 66%. This shift may help slow down the emergence of antibiotic resistance.
A study found that ER overcrowding is associated with a significant delay in sepsis treatment, resulting in increased mortality risk. Patients presenting to crowded ERs waited an average of 47 minutes longer for antibiotics compared to uncrowded ERs.
A recent study found that approximately 22.1 percent of adult patients prescribed antibiotics for community-acquired pneumonia do not respond to treatment, highlighting the need for updated guidelines and more aggressive antibiotic therapy for vulnerable populations such as older adults. The study also revealed regional variations in t...
A global health threat, superbugs are bacteria resistant to commonly used antibiotics. Monash University researchers identified the first important clues on how to counter superbug strategies, using electron microscopes and comparing data from antibiotic-resistant Staphylococcus aureus samples with non-resistant strains.
The lack of access to essential antibiotics, particularly for treating sick babies and children, is a pressing concern. The high costs involved in registering medicines in multiple countries are the primary cause of this issue, combined with the relatively small market for these antibiotics.
The American College of Physicians strongly recommends the use of generic bisphosphonates or denosumab to reduce fracture risk in women with osteoporosis. The guideline advises physicians to prescribe generics over brand-name drugs and discuss medication adherence with patients.
Researchers at Imperial College London have successfully engineered baker's yeast to produce penicillin molecules, demonstrating the effectiveness of synthetic biology in discovering new antibiotics. The study could lead to the development of novel antibiotics and anti-inflammatories using re-engineered yeast cells.
Researchers at McGill University have discovered how specific bacterial enzymes, known as kinases, confer resistance to macrolide antibiotics. The study provides a detailed atomic view of the kinases and their interaction with different macrolide antibiotics, paving the way for the design of next-generation antibiotics.
A new study published in CMAJ found that many common antibiotics increase the risk of miscarriage, with a 60% to two-fold increased risk. Erythromycin and nitrofurantoin were not associated with an increased risk.
A large Danish cohort study found that antibiotic use is associated with lower enterolignan concentrations in the blood, especially for women. The study suggests that antibiotics can negatively affect intestinal bacteria's ability to metabolize plant lignans into enterolignans.
Scientists used bacteriophages to treat a patient with a deadly, antibiotic-resistant bacteria. The patient recovered well after the treatment, which could be an alternative to failing antibiotics for treating multidrug-resistant infections.
Scientists have developed a new drug, PEG-2S, that combats two priority pathogens with limited treatment options. The drug specifically targets the NQR pump, preventing proliferation of harmful bacteria like Chlamydia trachomatis, and is highly targeted without toxic effects on normal cells.
Researchers at Chalmers University of Technology discovered over 1000 pathways in fungi to produce natural and bioactive chemicals. The findings show vast potential for fungi to produce new antibiotics, efficient production of existing ones, and potentially more effective versions.
Empyema is a potentially deadly accumulation of pus around the lungs, with a high mortality rate. New AATS guidelines provide evidence-based clinical recommendations for diagnosis, treatment, and management of empyema in adults and children.
Repeated C. difficile infections are associated with higher death rates, longer hospital stays, and increased healthcare costs in Scotland. The study found that patients with recurrent infections had more than double the risk of dying within two months of admission.
A recent study published in JAMA found that a single capsule of corticosteroid dexamethasone did not increase the likelihood of complete symptom resolution after 24 hours in patients with sore throats. However, at 48 hours, more participants receiving dexamethasone reported feeling completely better.
A large study found no link between azithromycin and ventricular arrhythmia, an irregular heartbeat that can be life-threatening. Compared to amoxicillin, azithromycin was associated with a lower risk of this condition.