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A Diarylquinoline Drug Active on the ATP Synthase of Mycobacterium tuberculosis
Koen Andries,1*Peter Verhasselt,1Jerome Guillemont,2Hinrich W. H. Göhlmann,1Jean-Marc Neefs,1Hans Winkler,1Jef Van Gestel,1Philip Timmerman,1Min Zhu,3Ennis Lee,4Peter Williams,4Didier de Chaffoy,1Emma Huitric,5Sven Hoffner,5Emmanuelle Cambau,6Chantal Truffot-Pernot,6Nacer Lounis,6Vincent Jarlier6
The incidence of tuberculosis has been increasing substantiallyon a worldwide basis over the past decade, but no tuberculosis-specificdrugs have been discovered in 40 years. We identified a diarylquinoline,R207910, that potently inhibits both drug-sensitive and drug-resistantMycobacterium tuberculosis in vitro (minimum inhibitory concentration0.06 µg/ml). In mice, R207910 exceeded the bactericidalactivities of isoniazid and rifampin by at least 1 log unit.Substitution of drugs included in the World Health Organization'sfirst-line tuberculosis treatment regimen (rifampin, isoniazid,and pyrazinamide) with R207910 accelerated bactericidal activity,leading to complete culture conversion after 2 months of treatmentin some combinations. A single dose of R207910 inhibited mycobacterialgrowth for 1 week. Plasma levels associated with efficacy inmice were well tolerated in healthy human volunteers. Mutantsselected in vitro suggest that the drug targets the proton pumpof adenosine triphosphate (ATP) synthase.
1 Johnson & Johnson Pharmaceutical Research and Development, Turnhoutseweg 30, 2340 Beerse, Belgium. 2 Johnson & Johnson Pharmaceutical Research & Development, Campus de Maigremont-BP615, 27106 Val de Reuil Cedex, France. 3 Johnson & Johnson Pharmaceutical Research & Development, 920 Route 202, P.O. Box 300, Raritan, NJ 08869, USA. 4 Johnson & Johnson Pharmaceutical Research & Development, 50100 Holmers Farm Way, High Wycombe, Bucks HP12 4DP, UK. 5 Swedish Institute for Infectious Disease Control, SE-171 82 Solna, Sweden. 6 Pitié-Salpêtrière School of Medicine, University Paris 6, 75634 Paris, France.
Present address: Center for Tuberculosis Research, Johns HopkinsUniversity School of Medicine, Baltimore, MD 21231, USA.
* To whom correspondence should be addressed. E-mail: kandries{at}prdbe.jnj.com
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