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Streptomyces – The Industrious Antibiotic Producer

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Like other actinomycetes, the Streptomyces group of microbes straddles the somewhat artificial boundary between bacteria and fungi. Growth on culture plates looks ‘fungal’ and the organism produces spores and germtubes that look like mycelia.  Nonetheless these soil organisms are bacteria and of great interest to microbiologists as the producers of many antibiotics Continue reading Streptomyces – The Industrious Antibiotic Producer→

A Renaissance for Old Drugs: Fosfomycin and Colistin

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Fosfomycin Who would have thought that a drug that has been around since 1969 [2] could become eligible for QIDP status in 2015? Well, Zavante Therapeutics recently garnered the coveted QIDP designation for fosfomycin IV. This formulation has been available in Europe for a quite some time but not in the Continue reading A Renaissance for Old Drugs: Fosfomycin and Colistin→

The Circuitous Route to Phase 3:  Another Chapter in the Fitful Development of PTK-0796

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When antibiotics change hands, it can be a good thing.  Small companies are often desperate to attract a partner with ‘deep pockets’ to help them finance an expensive late phase development but often have to give up control once the honeymoon period is over.  Such transitions can bring delays because new Continue reading The Circuitous Route to Phase 3:  Another Chapter in the Fitful Development of PTK-0796→