Enhanced in vitro activity of WR99210 in combination with dapsone against Mycobacterium avium complex.

Abstract:

:WR99210, a dihydrofolate reductase inhibitor, has promising in vitro activity against Mycobacterium avium complex (MAC). The in vitro activities of WR99210 alone and in combination with a fixed concentration of dapsone (0.5 microgram/ml) were evaluated against 35 clinical MAC isolates by a broth dilution method. The MIC at which 50% of isolates were inhibited (MIC50) and MIC90 of WR99210 alone were 2 and 8 micrograms/ml, respectively. The MIC50 and MIC90 of WR99210 in combination with dapsone were 0.25 and 4 micrograms/ml, respectively. Overall, 75% of the MAC isolates displayed enhanced susceptibility to the combination.

authors

Shah LM,DeStefano MS,Cynamon MH

doi

10.1128/AAC.40.11.2644

subject

Has Abstract

pub_date

1996-11-01 00:00:00

pages

2644-5

issue

11

eissn

0066-4804

issn

1098-6596

journal_volume

40

pub_type

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