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The Pneumococcus, Prominent Microbiologists, Contributions and Cross-Connections

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‘He who knows syphilis knows medicine’ goes the saying. In a similar way this adage could be applied to the Pneumococcus, aka Streptococcus pneumoniae, Diplococcus pneumoniae or Diplococcus lanceolatus by saying “He who knows S. pneumoniae knows microbiology”. Many ‘big names’ studied the organism.  Their work on the Pneumococcus led to Continue reading The Pneumococcus, Prominent Microbiologists, Contributions and Cross-Connections→

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

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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→

Why Some Did Not Make It

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There are numerous reasons why drugs get stuck in development.  Certainly, problems with efficacy or problems with safety are main reasons but there are many other ‘derailers’ as well.  For instance regulatory issues or manufacturing, difficulties can stop a program.  Occasionally, a suboptimal dose was chosen because of (1) incomplete Continue reading Why Some Did Not Make It→