Limmatech Biologics AG and Abvacc Inc. have entered into a license agreement that grants Limmatech the exclusive rights to further develop Abvacc’s multivalent toxoid vaccine candidate, LBT-SA7 (formerly IBT-V02), designed to prevent infections caused by Staphylococcus aureus.
The emergence of Staphylococcus aureus strains resistant to almost all approved antibiotics in the clinic poses an urgent public health concern. Thus, new antibiotics exploiting alternative antibacterial mechanisms or molecular structures are critically needed to address the long-term threat of multidrug-resistant S. aureus, particularly methicillin-resistant S. aureus (MRSA).
North Carolina State University has synthesized vancomycin derivatives containing a 2,3-pyrrolidinedione moiety and reported to be useful for the treatment of bacterial infections.
Evaxion Biotech A/S has presented promising results on EVX-B1, a vaccine against Staphylococcus aureus containing antigens identified using artificial intelligence. EVX-B1 induces strong immune responses, both cellular and humoral, that translate to a high level of protection in preclinical models for skin infection and sepsis.
A chance discovery has led to a new class of antibiotics with multiple arms that interacted with the cell wall of gram-positive bacteria, inhibiting their assembly and disarming them. “It was an accidental discovery. We were using it to stain cells. We also were running evaluations of antibiotics. One of my former students came to me and said: ‘I think we have discovered something that is quite potent as an antibiotic,’” the senior author Xingyu Jiang told BioWorld.
Aridis Pharmaceuticals Inc. has taken a few knocks in the past year but its new agreement with the U.S. FDA is giving it an opportunity to move forward. The company’s stock (NASDAQ:ARDS) rose 115% on May 31 to close at 39 cents per share as the company and agency agreed on the design of a single confirmatory phase III superiority study of AR-301 (tosatoxumab), an adjunctive therapy for treating pneumonia caused by gram-positive bacteria Staphylococcus aureus in mechanically ventilated hospitalized patients.
Researchers at NYU Langone Health and Janssen Biotech Inc. have reported on mAbtyrins, bioengineered molecules composed of human monoclonal antibodies and centyrins that are a new way to fight Staphylococcus aureus infection on all fronts.In their experiments, which were published in Cell Host & Microbe on April 24, 2023, the team described mAbtyrin, as “a protein-based therapeutic that targets 10 disease-causing mechanisms employed by S. aureus,” senior author Victor Torres told BioWorld.
Researchers from Shandong Academy of Agricultural Science reported the discovery of novel pleuromutilin derivatives as potential antibiotic agents. Synthesis and optimization of a series of pyridinium cation-substituted pleuromutilin analogues led to the identification of compound [I] as the lead candidate with potent antibacterial activity.
Erytech Pharma AS, repositioning itself to recover from a tough phase III cancer study failure in 2021, will merge with Pherecydes Pharma SA, which specializes in precision phage therapy for treating resistant and/or complicated bacterial infections.
