Title: Quality-controlled small-scale production of a well-defined bacteriophage cocktail for use in human clinical trials
Authors: Merabishvili, Maya ×
Pirnay, Jean-Paul
Verbeken, Gilbert
Chanishvili, Nina
Tediashvili, Marina
Lashkhi, Nino
Glonti, Thea
Krylov, Victor
Mast, Jan
Van Parys, Luc
Lavigne, Rob
Volckaert, Guido
Mattheus, Wesley
Verween, Gunther
De Corte, Peter
Rose, Thomas
Jennes, Serge
Zizi, Martin
De Vos, Daniel
Vaneechoutte, Mario #
Issue Date: Mar-2009
Publisher: Public Library of Sciene
Series Title: PLoS One vol:4 issue:3
Article number: e4944
Abstract: We describe the small-scale, laboratory-based, production and quality control of a cocktail, consisting of exclusively lytic bacteriophages, designed for the treatment of Pseudomonas aeruginosa and Staphylococcus aureus infections in burn wound patients. Based on successive selection rounds three bacteriophages were retained from an initial pool of 82 P. aeruginosa and 8 S. aureus bacteriophages, specific for prevalent P. aeruginosa and S. aureus strains in the Burn Centre of the Queen Astrid Military Hospital in Brussels, Belgium. This cocktail, consisting of P. aeruginosa phages 14/1 (Myoviridae) and PNM (Podoviridae) and S. aureus phage ISP (Myoviridae) was produced and purified of endotoxin. Quality control included Stability (shelf life), determination of pyrogenicity, sterility and cytotoxicity, confirmation of the absence of temperate bacteriophages and transmission electron microscopy-based confirmation of the presence of the expected virion morphologic particles as well as of their specific interaction with the target bacteria. Bacteriophage genome and proteome analysis confirmed the lytic nature of the bacteriophages, the absence of toxin-coding genes and showed that the selected phages 14/1, PNM and ISP are close relatives of respectively F8, phiKMV and phage G1. The bacteriophage cocktail is currently being evaluated in a pilot clinical study cleared by a leading Medical Ethical Committee.
ISSN: 1932-6203
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division of Gene Technology (-)
× corresponding author
# (joint) last author

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