Antibiotics

With a novel, non–cross-resistant mechanism and phase 3 data showing noninferior efficacy to injectable standard therapy, zoliflodacin could become a novel treatment that expands clinician choice and strengthens global efforts to combat antimicrobial-resistant gonorrhea. Innoviva CMO David Altarac, MD, offers further insights about the newly-approved antibiotic and its potential place in the market.

This week, check out our coverage on 2 antibiotic FDA approvals, and clinicians weigh in on the ACIP recommendations on the hepatitis B virus (HBV) vaccine.

The antibiotic's approval was based from phase 3 results demonstrating noninferiority to a combination therapy.

GSK’s David Payne, PhD, provides more information are the data from the EAGLE-1 trial.

The federal nod was given based from the phase 3 data of the EAGLE-1 trial, which showed noninferiority to combination therapy. This approval provides a new oral option.

The federal agency approved Augmentin XR in just 2 months through the new CNPV pilot program, marking a potential step toward rebuilding domestic antibiotic manufacturing and addressing drug shortages.

A public health and farmworker coalition says agricultural spraying of medically important antibiotics and antifungals contributes to environmental resistance and warrants EPA cancellation.

Improving public awareness of appropriate antibiotic use could complement antibiotic stewardship programs worldwide.

This week, read more about the first person with a novel avian influenza strain, doxyPEP linked to increased high-level tetracycline resistance, Ethiopia investigates Marburg virus disease outbreak, and more.

A DOXYVAC substudy found higher rates of tetM-mediated tetracycline resistance and more isolates with decreased cefixime susceptibility among MSM using doxycycline PEP.

Fewer people are falling ill with TB, and fewer with drug-resistant illness according to the 2025 WHO Global Tuberculosis Report.

David Cameron, PhD, discusses how researchers discovered its antibiotic, Debio 1453, through structure-guided design and advanced it from potent preclinical activity to first-in-human testing.

AMR Action Fund CEO Henry Skinner, PhD, MBE, discusses the significance of this week, provides an update on the PASTEUR Act, and explains the differing approaches between Europe and the US with regard to push-pull incentives.

The Leapfrog Group has released its Fall 2025 Hospital Safety Grades showing states such as Utah and New Jersey remain in the top 5 of rankings. Data on health systems is also included in the report.

PBPs are more than static β lactam targets. Host conditions rewire PBP activity and peptidoglycan architecture, shaping tolerance, resistance, and how we design salvage regimens.

The federal agency gave the nod to Meitheal Pharmaceuticals for its antibiotic, Contepo, an intravenous fosfomycin offering a new mechanism of action and a new option for adults with complicated urinary tract infections, including those caused by resistant gram-negative pathogens.

The Global Antimicrobial Resistance and Use Surveillance System (GLASS) of the WHO finds antibiotic resistance and the particular threat of resistant Gram-negative bacteria disproportionately prevalent in low- and middle-income countries. Here is part 1 of 2-part coverage of the WHO Global Antibiotic Resistance Surveillance Report.

A new genomic study reveals that up to 18% of urinary tract infections (UTIs) in Southern California may stem from E coli strains transmitted through contaminated poultry and meat, disproportionately affecting residents of low-income neighborhoods.

John Osiecki, PhD, explains how faster, standardized testing can speed detection and strengthen antimicrobial stewardship.

Cefiderocol is noninferior to standard of care empiric treatment of noscomial Gram-negative bloodstream infections in open-label "Game-Changer" trial.

AI predicted mechanism of action for investigational, narrow spectrum antibiotic against pathogens in Crohn's disease and IBD-related conditions.

The company is advancing R327G, a novel synthetic anti-infective for diabetic foot infections, through a phase 3 clinical trial in Indonesia, marking a major step toward the first new anti-infective class approval in over 40 years.

Despite modest progress, Staphylococcus aureus bloodstream infections—particularly those caused by MRSA—remain a major cause of morbidity and mortality, underscoring the urgent need for novel, broad-spectrum treatments such as ceftobiprole that can address both resistant and susceptible strains.

University of Oregon researchers found that adding a common chemical, chlorate, to standard antibiotics made them up to 10,000 times more effective in lab tests against hard-to-treat bacteria, offering a potential breakthrough for chronic wound care.

Infections caused by NDM-producing carbapenem-resistant Enterobacterales have risen more than 4-fold since 2019, raising alarms about limited treatment options, delayed detection, and heightened risks of transmission and mortality in health care settings. TAXIS Pharmaceuticals Chief Scientific Officer Ajit Parhi, PhD, offers some insights on NDM-CRE, antimicrobial resistance, and an overview of his company’s pipeline.