Articles tagged with Antibiotics
Researchers at Brigham and Women's Hospital have identified pathways of naturally occurring molecules in the human body that can boost the effectiveness of antibiotics. The study found that certain molecules called resolvins and protectins were key in resolving infections and reducing tissue damage.
McMaster University researchers found a remarkable prevalence of antibiotic resistance bacteria isolated from Lechuguilla Cave, one of the deepest and largest caves in the world. The discovery suggests that there are far more antibiotics in the environment that could be used to treat currently untreatable infections.
A joint study by Johns Hopkins Bloomberg School of Public Health and Arizona State University found fluoroquinolone antibiotics in 8 of 12 feather meal samples, despite a 2005 FDA ban. The study suggests continued use of banned antibiotics in poultry production, contributing to antibiotic resistance.
Patients taking oral fluoroquinolones had a higher risk of developing retinal detachment compared to non-users, with an average number of days from first prescription to event being 4.8 days. The absolute risk increase was small, with 2,500 patients needed to be harmed for every user
A Wayne State University researcher is part of a nationwide effort to monitor antibiotic resistance while optimizing drug use. The project aims to improve antimicrobial stewardship and reduce the development of resistance.
A new clinical trial aims to determine whether intravenous antibiotics are more effective than traditional therapies in tackling Pseudomonas aeruginosa, a common germ causing destructive lung infections in CF patients. The study will assess the treatment's success over a year and potentially inform national guidelines.
Researchers found that combining antibiotics with additional compounds made previously resistant bacteria more susceptible, increasing efficacy by up to six-fold. The study's lead author believes adjuvant therapy could revolutionize antibiotic use and reduce antimicrobial resistance.
A two-drug combination of meropenem and clavulanate has been shown to effectively treat forms of TB that are resistant to other antibiotics. The treatment offers new hope for dealing with drug-resistant TB, which is a major public health concern globally.
Researchers found that suppressing bacterial communities with antibiotics may actually help treatment-resistant bacteria flourish, leading to more infections. The study suggests new avenues for developing more effective treatments and improving patient outcomes.
Researchers are revisiting bacteriophages as antibacterial agents to combat growing antibiotic resistance. Effective against high bacterial loads, these viruses can target specific bacterial strains without infecting human cells.
Infection prevention groups outline steps needed to preserve antibiotics by identifying and addressing resistance issues. The role of infection preventionists and healthcare epidemiologists is crucial in preventing the emergence of multidrug-resistant organisms, a major threat to human health.
Researchers discovered how bacteria modify an enzyme to recognize and disarm a potent antibiotic. The adaptation allows bacteria to protect themselves from toxins while still being susceptible to certain antibiotics, offering new insights into treatment strategies.
A new molecule discovered at the University of Illinois has the potential to treat bovine mastitis and make food safer. Geobacillin, an analog of nisin, is more stable than its predecessor and shows promise as a treatment for both dairy industry and human disease.
UBC researchers found that certain antibiotics alter gut bacteria, increasing severity of asthma in mouse models. Early life is a critical period for establishing a healthy immune system, as the impact of antibiotics on asthma susceptibility disappears in adult mice.
A seven-year antimicrobial stewardship program at a hospital eliminated $3 million from its annual budget for antimicrobials within three years. The program reduced antibiotic spending per-patient day nearly in half without compromising quality of patient care.
Leading infectious diseases experts call for enhanced antimicrobial stewardship initiatives to preserve antibiotic effectiveness and combat emerging infections. The Society for Healthcare Epidemiology of America, IDSA, and PIDS position paper outlines measures to improve antibiotic use and monitor resistance.
A German study found that antibiotic treatment with azithromycin significantly reduced the number of patients carrying E. coli bacteria and the duration of shedding in stool specimens. Long-term carriers were more common among untreated patients.
Scientists have identified two new possible antibiotics, fasamycin A and B, that work against deadly resistant microbes like MRSA. The metagenomics method allowed researchers to analyze substances made by soil bacteria's DNA in the lab, enabling the discovery of these potential life-saving medications.
A recent study led by TGen found that a strain of methicillin-resistant Staphylococcus aureus (MRSA) originated in humans before spreading to food animals and becoming resistant to antibiotics. The study used whole genome sequencing to trace the history of MRSA CC398, a strain often referred to as 'pig-MRSA'.
A study found that a deadly staph 'superbug' has jumped from humans to food animals, becoming resistant to antibiotics due to routine use in farm animal production. The bacteria, MRSA CC398, thrives in crowded and unsanitary conditions.
A study found that a strain of MRSA bacteria acquired resistance to antibiotics on farms and can now infect humans. The researchers sequenced the genomes of 88 different S. aureus isolates and found that the MRSA strain ST398 likely evolved from an antibiotic-sensitive human strain.
A study published in JAMA found that treatment with amoxicillin for acute uncomplicated rhinosinusitis did not result in a significant difference in symptoms compared to placebo. Patients who received antibiotics reported similar improvements in quality of life and symptom relief, contradicting the common practice of prescribing antibi...
According to investigators at Washington University School of Medicine, antibiotics do not reduce symptoms in sinus infection patients, with most people getting better on their own. The study suggests treating symptoms and watchful waiting may be more effective than antibiotic treatment.
Researchers at NC State University have created a compound that increases the effectiveness of existing antibiotics against antibiotic-resistant superbugs by 16 times. The compound, derived from a class of molecules, recharges existing antibiotics, making them effective against Gram-negative bacteria like K. pneumoniae.
Researchers have found that cochlear implants can restore hearing in organ transplant patients without significant health risks. The study suggests that patients who wait at least six months after the transplant and take the right antibiotic before and after the procedure can achieve successful outcomes.
A new study published in BMC Medicine found that zinc supplements drastically improved children's survival rates from pneumonia when used alongside standard antibiotic therapy. The treatment was especially effective for HIV-infected children, who saw a 26-fold increase in survival rate.
A clinical trial found that cefpodoxime was less effective than ciprofloxacin in treating uncomplicated cystitis, with a higher rate of E coli colonization. The study suggests that cefpodoxime may not be a suitable alternative to fluoroquinolones for this condition.
Researchers at Brandeis University have made a significant discovery on how EmrE, a protein responsible for exporting antibiotics from cells, works. By studying its structure and function using nuclear magnetic resonance spectroscopy, the team hopes to develop inhibitors that can target this protein and prevent drug resistance.
Researchers discovered MRSA contamination in 26 out of 395 raw pork samples collected from US stores, highlighting the need for safer handling practices. The study also found no significant difference between antibiotic-free and conventionally produced pork products.
A Michigan State University study found that antibiotics in pig feed increase the number of antibiotic-resistant genes in gastrointestinal microbes in pigs. This could contribute to the development of strains of microbes resistant to conventional antibiotics, which are potentially harmful to humans and animals.
Researchers at the University of Warwick are part of a four-year project to search for new antibiotics, addressing growing resistance in bacteria such as E. coli and MRSA. The project aims to understand bacterial cell wall growth and discover new chemicals that can interfere with this process.
A global study reveals that antibiotic prophylaxis significantly reduces group B streptococcal infections in newborns, especially in Africa. The study's findings suggest developing vaccines could have near-universal applicability due to similar strain distributions worldwide.
Researchers discovered that mycobacterial cell growth patterns determine their susceptibility to antibiotics, providing new avenues for targeted treatment. The findings could lead to more effective treatments for the deadly disease, which kills over 1.5 million people annually.
Tel Aviv University engineers have developed an efficient liquid solution that can alter the genetic make-up of antibiotic-resistant bacteria, making them sensitive again. The solution is easy to prepare and apply, and non-toxic, with potential to be added to antibacterial cleansers.
A new paper by leading scientists emphasizes the need for a global response to combat antibiotic-resistant bacteria, which pose a life-threatening threat. The researchers recommend establishing research priorities, improving international funding, and implementing public education campaigns to address this growing crisis.
A new study by OHSU researcher Peter Steyger sheds light on why certain antibiotics harm the inner ear, providing hope for a potential solution to block their effects and save thousands of lives. The discovery is the result of Steyger's personal experience with antibiotic-induced deafness as a child.
Scientists discovered a vast array of anti-bacterial substances, known as peptides, in the skin of odorous frogs. These peptides account for almost one-third of all antimicrobial peptides found worldwide, offering potential clues for developing new antibiotics.
A study by Heather Allen and colleagues reveals that antibiotics in swine feed stimulate gene transfer among gut bacteria, increasing the risk of antibiotic resistance. The researchers found that prophages, segments of DNA encoding antibiotic resistance genes, underwent significant increases in induction when exposed to antibiotics.
A study published in Archives of Dermatology found that individuals with acne treated with oral antibiotics are more likely to report symptoms of pharyngitis, or sore throat. The researchers also discovered a lower association between topical antibiotic use and pharyngitis, as well as no link to group A streptococcus colonization rates.
A recent study by NYU School of Medicine reveals that hydrogen sulfide (H2S) plays a crucial role in protecting bacteria from various antibiotics. By targeting bacterial gas defenses, researchers aim to develop new strategies for increasing antibiotic efficacy and combating antibiotic resistance.
The world is facing a dire shortage of new antibiotics, with increasing resistance making treatment increasingly difficult. Professor Laura Piddock calls for urgent action to turn this around, citing the need for increased public awareness and government support.
Researchers at Wayne State University will study a novel antibiotic, daptomycin, to treat vancomycin-resistant Enterococcus (VRE) infections and decrease mortality. The goal is to determine the optimal doses of daptomycin to achieve greater bactericidal activity and prevent resistance.
Researchers discovered that targeting host enzymes with imatinib reduces M. tuberculosis load and enhances traditional antibiotics' effectiveness. This approach limits infection and may reduce antibiotic-resistant strains.
Researchers developed a novel compound that blocks bacterial adhesion to bladder walls, alleviating weeks-long infections in mice. The treatment has the potential to treat antibiotic-resistant UTIs and may be effective against other types of infections.
New research reveals a significant pattern of antibiotic overuse in the southeastern United States, with higher rates than other regions. The study highlights increased use of fluoroquinolones and declining market share for penicillins, which could accelerate resistance to these powerful drugs.
The widespread use of antibiotics in animal farming creates an environment for antibiotic-resistant bacteria to multiply and spread to humans. Studies show that up to 90% of antibiotics given to livestock are excreted into the environment, contributing to resistance genes and promoting infection risk.
A new study published in PLoS Pathogens reveals that Staphylococcus aureus can develop resistance to the last-line antibiotic vancomycin by acquiring a single mutation in its DNA. This discovery highlights the high adaptability of Staph and emphasizes the need to improve antibiotic treatment strategies for serious bacterial infections.
A new study published in The Lancet found that children treated at home for severe pneumonia by Pakistan's Lady Health Workers were more likely to recover than those referred to health facilities. Treatment failures occurred 50% less often in the experimental group, resulting in significant reductions in child mortality rates.
A new study by Cedars-Sinai researchers found a targeted antibiotic to be the safest treatment option for irritable bowel disease, with fewer adverse side effects compared to other therapies. Rifaximin was shown to have a significantly lower number needed to harm than other commonly used treatments.
Researchers discovered a key enzyme, IreK, involved in resistance to cephalosporins, while another enzyme, IreP, regulates its activity. This understanding could lead to new strategies for controlling enterococcal infections and developing new treatments.
Researchers found that probiotics significantly reduce the incidence of antibiotic-associated diarrhea and Clostridium difficile-associated diarrhea. Probiotic therapy has been shown to be effective in treating various GI conditions, including ulcerative colitis, psoriasis, and chronic fatigue syndrome.
Researchers have discovered a compound that shuts off the DNA valve allowing bacterial invasion and infection, effective against two virulent bacteria affecting plants and humans. The work has attracted interest from private companies testing its commercialization for treatments in plants, animals, and people.
Natural killer cells, part of the immune system, can detect and kill anthrax bacteria both inside and outside human cells. The cells' rapid response may provide a crucial boost to treatment, potentially improving antibiotic effects.
Researchers developed non-natural flavanones with broad activity against bacteria and fungi, but no toxicity to mammalian cells. The compounds showed promising activity against various pathogens, including E. coli and fungal species.
Trimethoprim-sulfamethoxazole, a widely prescribed antibiotic, can cause life-threatening reactions and kidney issues due to drug interactions. Physicians should be aware of these risks when prescribing the drug, especially in pregnant women or patients with underlying conditions.
Researchers at Case Western Reserve University aim to develop new treatments using human beta defensins triggered by Fusobacterium nucleatum-associated Beta-Defensin Inducer (FAD-I). FAD-I induces HBD peptides to block bacteria from entering the body, potentially preventing health conditions such as gum disease and tooth loss.
A recent study found that villages along roads have higher rates of antibiotic-resistant E. coli than rural areas, suggesting roads facilitate the spread of superbugs. The researchers attribute this to increased antibiotic use and poor water quality, which allow resistant strains to thrive.
Antibiotic-resistant gonorrhea is evolving into a scourge, making most treatments ineffective. Targeted approaches and public education campaigns can help stop its spread.
Researchers at the University of Notre Dame have identified a critical mechanism in methicillin-resistant Staphylococcus aureus (MRSA) resistance to beta-lactam antibiotics. The 'lysine N-decarboxylation switch' process, facilitated by protein BlaR1, enables MRSA to conserve resources until it detects an antibiotic threat.
A Ghanaian PhD student has developed a new chemical analysis technique to determine the exact contents of drugs, helping to tackle uneven medicine quality and unauthorized drug sales in Africa. The technique will also be used for environmental investigations to combat antibiotic resistance in aquatic environments.