Articles tagged with Antibiotic Resistance
A community-based care model has been shown to be effective in treating multidrug-resistant tuberculosis (MDR-TB) in resource-poor nations. The study found that 83% of patients who completed at least four months of therapy had probable cures, exceeding the best reported U.S. cure rate.
Research explores whether animal antibiotics contribute to rising human resistance rates. The study finds that animal antibiotics can indeed fuel human antibiotic resistance, highlighting the need for stricter regulations on their use.
A new antibiotic, fosmidomycin, has been shown to be effective against the Plasmodium falciparum parasite, with rapid parasite elimination and fever reduction. Cure rates after two weeks were 89%, 88%, and 60% for treatment durations of 5, 4, and 3 days, respectively.
The TRUST 2002 study found high resistance rates to penicillin (18.4%) and azithromycin (27.5%), but low levofloxacin resistance (<1%). Levofloxacin's minimal inhibitory concentrations did not correlate with those of other antibiotics.
A recent UCSF-led study found that fluoroquinolones were widely prescribed to patients discharged from the hospital despite narrow-spectrum antibiotics being appropriate. The study highlights the serious erosion of effectiveness due to overuse and increasing bacterial resistance, particularly in cystic fibrosis patients.
A phase II study of 100 patients with previously untreated HIV found that kaletra held the virus at undetectable levels for four years, with 72% maintaining suppressed viral loads. The results suggest that Kaletra remains a crucial option for initial therapy, helping to prolong time to resistance development.
Regular cranberry juice consumption could reduce UTI development and need for antibiotics, potentially slowing antibiotic resistance. Cranberry's anti-adhesion properties prevent bacteria from sticking to the urinary tract.
Researchers found that mupirocin antibiotic ointment can significantly reduce the rate of Staphylococcus aureus surgical wound infections in patients undergoing elective surgery. The study's results have significant implications for reducing hospital-based infections and preventing illnesses, especially in vulnerable populations.
Brenda A. Wilson's research explores Pasteurella multocida toxin's mechanism, revealing its impact on Gq protein and cell damage. The discovery could lead to new strategies for treating toxin-mediated diseases.
Researchers discovered that ramoplanin effectively targets bacteria's ability to build cell walls, dodging common mechanisms of mutational resistance. This finding could lead to the development of new classes of antibiotics for treating drug-resistant infections.
Researchers found men had a higher incidence of bacterial pneumonia, with complex cases and higher mortality rates compared to women. The burden of CAP is expected to increase substantially as the elderly population grows, with projected 750,000 cases in 2010 and 1 million by 2020.
Researchers create model that accurately reproduces natural evolution and predicts how bacteria will become resistant to antibiotics. The model shows promise as a possible tool for creating new drugs that can evade bacterial adaptation.
A global white paper on bacterial resistance in respiratory tract infections calls for concerted international action to tackle the growing threat of antibiotic-resistant bacteria. The initiative aims to implement robust surveillance, education, and patient involvement to control resistance.
Researchers have identified a subset of genes in Pseudomonas aeruginosa that behave differently when the bacteria exists as a biofilm. These findings may lead to the development of new therapies targeting antibiotic resistance in biofilms. The study found that certain genes were repressed or activated in response to antibiotic treatmen...
Scientists at Duke University have discovered a new enzyme that attaches aminoarabinose to the outer coat of gram-negative bacteria, reducing the ability of positively charged antibiotics to attach and kill them. This discovery offers a potential approach to overcoming antibiotic resistance.
Researchers at Purdue University developed a method to use pesticides in a precise way to stop genetic resistance from arising. Using multiple pesticides together can delay resistance for decades, potentially reducing costs and social impacts.
A new case of resistance to the antibiotic linezolid has been reported in a patient with MRSA infection, highlighting the need for clinical laboratories to perform susceptibility tests. The finding is rare and has occurred after limited use of the drug, emphasizing the importance of monitoring its effectiveness.
Researchers found that antacids significantly increased the survival rate of Vibrio vulnificus, a bacteria commonly contracted through eating raw oysters. Banning antibiotics in Denmark has also led to significant decreases in resistance rates among food animals.
The study suggests KETEK is an effective option for treating community-acquired respiratory tract infections, which cause 50 million deaths globally each year. KETEK demonstrated high activity against a range of bacteria, including pneumococci and S. pyogenes, with up to 99.6% susceptibility
A new clinical score for managing upper respiratory tract infections with sore throat could substantially reduce unnecessary antibiotic prescriptions. The study found that using the score would have reduced antibiotics prescribed to culture-negative patients by 63.7% and overall antibiotics by 52.3%.
A 2-year study found that day care centers incubate and spread antibiotic-resistant respiratory tract bacteria, including Streptococcus pneumoniae. The study suggests that day care centers are ideal environments for the development of such resistance due to high rates of respiratory infections and antibiotic use.
Researchers at Rockefeller University have identified two genes responsible for producing branched muropeptides, essential for pneumococcus survival in the presence of penicillin. Inactivating these genes restores penicillin's potency, opening the door to new drugs that target this newly discovered mechanism.
Researchers at Wayne State University have designed two novel antibiotics to combat antibiotic resistance. The 'self-destructive' antibiotic breaks down in the presence of light, while the 'self-regenerating' antibiotic remains effective against resistant bacteria by releasing its active form after encountering resistance enzymes.
A study found that 80% of colonic bacteria contain a gene resistant to tetracycline, highlighting rapid spread of resistance genes. The discovery suggests that other resistance genes are also moving along with the tetracycline resistance gene.
A study conducted in India found that pneumococcal serotypes 1, 6, 19, and others were commonly prevalent, with type-1 found in 25% of cases. The researchers also discovered high rates of antibiotic resistance among S. pneumoniae, particularly in urban areas.
A team of researchers has described a case of a patient who died from a bloodstream infection caused by a multidrug-resistant strain of Staphylococcus aureus. The study found that a combination of two commonly used antibiotics, oxacillin and vancomycin, was effective in killing the resistant bacteria.
Researchers at the University of Limerick have developed a prototype penicillin structure that works by incorporating a unique fragment to the penicillin molecule, fatal to bacteria and activated only when cleaved. This new approach shows promise in combating antibiotic-resistant bacterial strains.
A team of researchers has determined the three-dimensional structure of an enzyme responsible for gentamicin resistance, presenting a possible target for designing drugs to inhibit its action. The enzyme's structure resembles a cupped right hand wrapped around a cylinder, with a cavity that could hold gentamicin in place.
Scientists have discovered a novel form of vancomycin that may be effective against resistant bacteria. The findings suggest a new way for the drug to bind to bacteria, opening an avenue for developing next-generation antibiotics.
The Resistance Web offers health care professionals and medical researchers immediate access to 10 years of drug resistance tracking data. The site helps alert medical professionals to drug resistance patterns, over-prescribing dangers, and encourages focused surveillance activities.
University of Pennsylvania researchers discover three-dimensional atomic structure of vancomycin using X-ray diffraction analysis. The advance provides detailed knowledge about the vancomycin molecule to help design new antibiotics effective against vancomycin-resistant bacteria.
Researchers from Emory University and CDC report high rates of microbial resistance to antibiotics in intensive care unit (ICU) hospital settings. The study found that pathogens isolated from ICUs were most resistant to treatment, while those from outpatients were least resistant.
Researchers have identified a molecule that allows bacteria to resist an unusually wide range of drugs, including those with different chemical properties. This discovery highlights the dormant potential of some bacteria to survive complex antibiotic treatments.
A study published in the journal Antimicrobial Agents and Chemotherapy found that healthy young children in Mexico were colonized by E. coli resistant to multiple antibiotics. The study discovered that nearly 90% of stool samples contained isolates resistant to two or more antibiotics, highlighting a significant route for the dissemina...