Efficacy and Treatment Duration: Where is the Tipping Point?

Development pf antibacterials differs in several important ways from drug development in other areas, and the lack of standard dose-finding is just one of them. Dose-finding in its most basic form involves ascending amounts of drug for efficacy and safety; Continue reading Efficacy and Treatment Duration: Where is the Tipping Point?

Timely New Information on Next-Generation Tetracyclines – Part 2: Eravacycline and Protein Binding

A recent paper by Thabit describes a curious finding [1]. The authors measured total and free (i.e., nonprotein-bound) eravacycline levels at ascending doses in a mouse model. They found strikingly small increases in free drug levels when titrating up total doses. The Continue reading Timely New Information on Next-Generation Tetracyclines – Part 2: Eravacycline and Protein Binding

Eravacycline Conference Call: Unrevealing and Disappointing

Whatever has become of investigative journalism?  All we read after the Stifel conference call (11/17/2015) is descriptive rehash of information provided by Tetraphase at the conference.  No probing questions that we thought investors would ask who just lost 80% of Continue reading Eravacycline Conference Call: Unrevealing and Disappointing

After ICAAC: Some More Thoughts on Eravacycline in cUTI and IGNITE-2

When a well-designed pivotal Phase 3 trial fails to show NI, it demands an explanation.  While awaiting the company’s analysis of the data, many possible explanations are bandied about.  So it was not surprising that the eravacycline cUTI study (IGNITE-2) Continue reading After ICAAC: Some More Thoughts on Eravacycline in cUTI and IGNITE-2

Mme Erava and The Mysterious Case of Auto-Combustion

SH: My dear Watson, did you read the news of the astonishing debacle that befell Mme Erava and made the headlines, creating anxiety of hitherto unknown proportions in Tetraland? Dr.W.: A disaster of epic proportions, for sure, and a mystery, Continue reading Mme Erava and The Mysterious Case of Auto-Combustion