CDC Report on Pan-Resistant NDM Klebsiella in Nevada– A Sad Tale

During the past few weeks the case of a patient with MDR Klebsiella infection has made the news. We are told that this particular pathogen is “resistant to 26 antibiotics”. We were informed that the patient had multiple prior hospitalizations in India, supposedly the origin of the uncontrolled untreatable infection. Continue reading CDC Report on Pan-Resistant NDM Klebsiella in Nevada– A Sad Tale

Aztreonam PLUS Avibactam – A New Bright Star in the Night Sky

Looking at the molecular structure of ceftazidime (CTAZ) and aztreonam (ATM), the differences are clear, and so are the similarities: ATM does not have the cephem ring structure of CTAZ, only the 4-member beta-lactam ring.  However, the side chains are identical in both CTAZ and ATM which explains the overlapping Continue reading Aztreonam PLUS Avibactam – A New Bright Star in the Night Sky

A GO / NO GO decision:  Delafloxacin Stumbles in Gonorrhea Study

The treatment history of N. gonorrhoeae makes for fascinating reading.  This organism has always been able to keep the upper hand in the war of bug versus drug.  Once susceptible to sulfa drugs, to penicillin, tetracyclines and fluoroquinolones, it sequentially become resistant in the matter of a decade to every Continue reading A GO / NO GO decision:  Delafloxacin Stumbles in Gonorrhea Study