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Discovery and development of surotomycin for the treatment of Clostridium difficile

The primary challenge for treating Clostridium difficile infections (CDI) is maintenance of clinical response after the end of treatment (sustained clinical response). Disease recurrence following a positive clinical response occurs in approximately 6–25 % of patients after the first episode and in...

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Published in:Journal of Industrial Microbiology & Biotechnology 2016-03, Vol.43 (2-3), p.195-204
Main Authors: Knight-Connoni, Victoria, Mascio, Carmela, Chesnel, Laurent, Silverman, Jared
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description The primary challenge for treating Clostridium difficile infections (CDI) is maintenance of clinical response after the end of treatment (sustained clinical response). Disease recurrence following a positive clinical response occurs in approximately 6–25 % of patients after the first episode and in up to 65 % for subsequent recurrences. Surotomycin, a novel cyclic lipopeptide antibiotic with a core derived by Streptomyces roseosporus fermentation, disrupts C. difficile cellular membrane activity in both logarithmic and stationary phases and minimally disturbs normal gastrointestinal microbiota because of its lack of activity against Gram-negative anaerobes and facultative anaerobes. Preclinical and clinical evidence indicate that surotomycin has low oral bioavailability, allowing gastrointestinal tract concentrations to greatly exceed its minimum inhibitory concentration for C. difficile. Surotomycin is well tolerated and effective in hamster models of CDI. Phase 2 clinical evidence suggests that surotomycin (250 mg twice daily) is an effective CDI treatment, with statistically lower recurrence rates than vancomycin.
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Disease recurrence following a positive clinical response occurs in approximately 6–25 % of patients after the first episode and in up to 65 % for subsequent recurrences. Surotomycin, a novel cyclic lipopeptide antibiotic with a core derived by Streptomyces roseosporus fermentation, disrupts C. difficile cellular membrane activity in both logarithmic and stationary phases and minimally disturbs normal gastrointestinal microbiota because of its lack of activity against Gram-negative anaerobes and facultative anaerobes. Preclinical and clinical evidence indicate that surotomycin has low oral bioavailability, allowing gastrointestinal tract concentrations to greatly exceed its minimum inhibitory concentration for C. difficile. Surotomycin is well tolerated and effective in hamster models of CDI. 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Disease recurrence following a positive clinical response occurs in approximately 6–25 % of patients after the first episode and in up to 65 % for subsequent recurrences. Surotomycin, a novel cyclic lipopeptide antibiotic with a core derived by Streptomyces roseosporus fermentation, disrupts C. difficile cellular membrane activity in both logarithmic and stationary phases and minimally disturbs normal gastrointestinal microbiota because of its lack of activity against Gram-negative anaerobes and facultative anaerobes. Preclinical and clinical evidence indicate that surotomycin has low oral bioavailability, allowing gastrointestinal tract concentrations to greatly exceed its minimum inhibitory concentration for C. difficile. Surotomycin is well tolerated and effective in hamster models of CDI. 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subjects anaerobes
animal models
Animals
Anti-Bacterial Agents - isolation & purification
Anti-Bacterial Agents - pharmacology
Anti-Bacterial Agents - therapeutic use
Antibiotics
Antimicrobial agents
Bacterial infections
Bioavailability
Biochemistry
Bioinformatics
Biological Availability
Biomedical and Life Sciences
Biomedical research
Biotechnology
cell membranes
Clinical Trials, Phase II as Topic
Clostridium difficile
Clostridium difficile - cytology
Clostridium difficile - drug effects
Clostridium Infections - drug therapy
Clostridium Infections - microbiology
Diarrhea
Feces
Fermentation
Gastrointestinal diseases
Gastrointestinal Microbiome - drug effects
gastrointestinal system
Gastrointestinal tract
Genetic Engineering
Humans
Infections
Inorganic Chemistry
Laboratories
Life Sciences
lipopeptides
Lipopeptides - administration & dosage
Lipopeptides - isolation & purification
Lipopeptides - pharmacokinetics
Lipopeptides - pharmacology
Lipopeptides - therapeutic use
Microbial Sensitivity Tests
Microbiology
Microbiota
microorganisms
minimum inhibitory concentration
Natural products
patients
Peptides
Peptides, Cyclic - administration & dosage
Peptides, Cyclic - isolation & purification
Peptides, Cyclic - pharmacokinetics
Peptides, Cyclic - pharmacology
Peptides, Cyclic - therapeutic use
relapse
Review
Streptomyces
Streptomyces roseosporus
Studies
vancomycin
title Discovery and development of surotomycin for the treatment of Clostridium difficile
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