Thiosemicarbazole (Thiacetazone-Like) Compound with Activity against Mycobacterium avium in Mice

Author:

Bermudez Luiz E.12,Reynolds Robert3,Kolonoski Peter1,Aralar Pricilla4,Inderlied Clark B.45,Young Lowell S.1

Affiliation:

1. Kuzell Institute for Arthritis and Infectious Diseases, California Pacific Medical Center Research Institute, San Francisco, California 94115

2. Department of Biomedical Sciences, College of Veterinary Medicine, Oregon State University, Corvallis, Oregon 97331

3. Southern Research Institute, Birmingham, Alabama

4. Children's Hospital of Los Angeles

5. University of Southern California, Los Angeles, California

Abstract

ABSTRACT In vitro screening of thiacetazone derivatives indicated that two derivatives, SRI-286 and SRI-224, inhibited a panel of 25 Mycobacterium avium complex (MAC) isolates at concentrations of 2 μg/ml or lower. In mice, SRI-224 and thiacetazone had no significant activity against the MAC in livers and spleens, but treatment with SRI-286 resulted in significant reduction of bacterial loads in livers and spleens. A combination of SRI-286 and moxifloxacin was significantly more active than single drug regimens in liver and spleen.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

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