CDI Laboratory Develops Promising New Antibiotic for Resistant Gonorrhea   
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CDI Laboratory Develops Promising New Antibiotic for Resistant Gonorrhea

What You Need to Know

A new preclinical drug candidate developed by scientists at the Hackensack Meridian Center for Discovery and Innovation (CDI) shows great promise in eradicating the bacteria causing gonorrhea, according to a new publication.

JSF-2659, developed to be administered orally, could be a game changer in treating Neisseria gonorrhoeae, which is on the World Health Organization’s global list of “priority pathogens” for its resistance to existing drugs. 

The parent compound JSF-2414 works simultaneously on two molecular targets, making it extra effective at inhibiting the bacteria’s DNA replication, according to the paper in the journal Antimicrobial Agents and Chemotherapy, an American Society for Microbiology publication

About JSF-2659

The dual-targeting strategy means that more bacteria are wiped out - and the lack of survivors and very low probability of modifying two cellular targets during therapy means less chance for the rise of drug resistance, according to the various CDI models of the drug in action against N. gonorrhoeae

Testing included 96 separate strains of the gonorrhea bacteria. But it also showed effectiveness in other Gram-positive germs like methicillin-resistant Staphylococcus aureus (MRSA), Staphylococcus epidermidis, Enterococcus faecium, Clostridium difficile, and other species. 

The new drug candidate, if moved forward for clinical development in humans, would complement a list of drugs which have become less effective in recent decades. According to the paper, “there is now a high prevalence of N. gonorrhoeae strains that are resistant to common antimicrobial classes used for treatment including sulfonamides, penicillins, cephalosporins, tetracyclines, macrolides, and fluoroquinolones. Therapeutic failures with the extended-spectrum cephalosporins, such as cefixime and ceftriaxone, have created a major health crisis.” In many developing countries, the “last-line” monotherapy drug is ceftriaxone.

Accordingly, gonorrhea is a “major public health concern” that infected more than 82 million new people worldwide last year, bringing with it its increasing resistance to such treatments, according to the World Health Organization. The WHO added multi-drug resistant gonorrhea to its “priority pathogens” list in 2017.

Research on the JSF-2659 compound was spearheaded by the CDI’s Center of Excellence in Translational Research (CETR) funded by a National Institutes of Health grant. Authors on the work included Perlin and members of his CDI lab, as well as veteran microbiologist Barry Kreiswirth, Ph.D., and members of his laboratory, and also colleagues include Joel Freundlich, Ph.D. from Rutgers University. 

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