Since the beginning of this millennium we have seen antibiotic R&D dwindle year after year. There are many reasons for this; while economics are often cited for this decline, the FDA and the ‘Guideline Wars’, i.e., those never ending discussions Continue reading Progress Report: New Antibacterials In the Fight against MDR Bacteria
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 Continue reading Aztreonam PLUS Avibactam – A New Bright Star in the Night Sky
On Feb 25, 2015 the combination of ceftazidime/avibactam (Avycaz) was approved by FDA for cUTI and cIAI infections in patients ‘who have limited or no alternative treatment options’. As a QIDP drug, Avycaz received priority review. Its label states that it is Continue reading Avycaz Approval and Labeling Restrictions
Inhibitor of the NDM Enzyme Aspergillomarasmine (AMA) was identified as an inhibitor of the New Delhi metallo-betalactamase (NDM) enzyme. This substance, when combined with meropenem, restored antibiotic activity against an NDM lab strain. AMA is a substance which was already tested in the Continue reading Perusing the Literature
There are currently a total of 6 beta-lactam + beta-lactamase inhibitor combinations in clinical trials. It will be a steep learning curve for the pharma reps (and physicians) to understand the resistance classifications, the confusing ESBL definitions, the CRE nomenclature, Continue reading What is the “Niche” for Ceftolozane / Tazobactam?