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Drug resistance in Mycobacterium tuberculosis strains isolated from re-treatment cases of pulmonary tuberculosis in Ethiopia: susceptibility to first-line and alternative drugs

Abate, G ; Miörner, Håkan LU ; Ahmed, O and Hoffner, S E (1998) In The International Journal of Tuberculosis and Lung Disease 2(7). p.580-584
Abstract
SETTING: Addis Ababa Tuberculosis Demonstration and Training Center, Ethiopia. OBJECTIVES: To determine the pattern of drug resistance among re-treatment cases of pulmonary tuberculosis (TB), to determine the risk factors associated with multi-drug resistant (MDR) TB, and to propose re-treatment regimens based on the patterns of susceptibility to first-line and alternative drugs. DESIGN: One hundred and seven Mycobacterium tuberculosis strains isolated from an equal number of re-treatment cases of pulmonary TB were included in the study. Drug susceptibility was determined by the Bactec method. RESULTS: About 50% of the strains were resistant to one or more of the first-line drugs and 12% of the strains were multi-drug resistant, i.e.,... (More)
SETTING: Addis Ababa Tuberculosis Demonstration and Training Center, Ethiopia. OBJECTIVES: To determine the pattern of drug resistance among re-treatment cases of pulmonary tuberculosis (TB), to determine the risk factors associated with multi-drug resistant (MDR) TB, and to propose re-treatment regimens based on the patterns of susceptibility to first-line and alternative drugs. DESIGN: One hundred and seven Mycobacterium tuberculosis strains isolated from an equal number of re-treatment cases of pulmonary TB were included in the study. Drug susceptibility was determined by the Bactec method. RESULTS: About 50% of the strains were resistant to one or more of the first-line drugs and 12% of the strains were multi-drug resistant, i.e., resistant to both isoniazid and rifampicin. Previous treatment with rifampicin was the most important predictor of MDR-TB. All MDR strains were susceptible to amikacin, ciprofloxacin, ethambutol, ethionamide and clofazimine. CONCLUSION: The WHO re-treatment regimen would theoretically be effective for the treatment of all non-MDR-TB patients in this study. A proposed 12-month re-treatment regimen for MDR-TB patients would include a fluoroquinolone in combination with streptomycin, pyrazinamide, isoniazid, ethambutol and clofazimine. There is an urgent need for more research to define safe and inexpensive treatment regimens for MDR-TB patients in low-income countries. (Less)
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author
; ; and
publishing date
type
Contribution to journal
publication status
published
subject
keywords
multidrug resistance, tuberculosis, Ethiopia
in
The International Journal of Tuberculosis and Lung Disease
volume
2
issue
7
pages
580 - 584
publisher
International Union against Tuberculosis and Lung Disease
external identifiers
  • pmid:9661826
  • scopus:0031856006
ISSN
1815-7920
language
English
LU publication?
no
id
28d70a08-7d9d-46ea-b21a-92a76b5c1f8c (old id 1113222)
date added to LUP
2016-04-01 12:29:07
date last changed
2022-01-27 05:43:12
@article{28d70a08-7d9d-46ea-b21a-92a76b5c1f8c,
  abstract     = {{SETTING: Addis Ababa Tuberculosis Demonstration and Training Center, Ethiopia. OBJECTIVES: To determine the pattern of drug resistance among re-treatment cases of pulmonary tuberculosis (TB), to determine the risk factors associated with multi-drug resistant (MDR) TB, and to propose re-treatment regimens based on the patterns of susceptibility to first-line and alternative drugs. DESIGN: One hundred and seven Mycobacterium tuberculosis strains isolated from an equal number of re-treatment cases of pulmonary TB were included in the study. Drug susceptibility was determined by the Bactec method. RESULTS: About 50% of the strains were resistant to one or more of the first-line drugs and 12% of the strains were multi-drug resistant, i.e., resistant to both isoniazid and rifampicin. Previous treatment with rifampicin was the most important predictor of MDR-TB. All MDR strains were susceptible to amikacin, ciprofloxacin, ethambutol, ethionamide and clofazimine. CONCLUSION: The WHO re-treatment regimen would theoretically be effective for the treatment of all non-MDR-TB patients in this study. A proposed 12-month re-treatment regimen for MDR-TB patients would include a fluoroquinolone in combination with streptomycin, pyrazinamide, isoniazid, ethambutol and clofazimine. There is an urgent need for more research to define safe and inexpensive treatment regimens for MDR-TB patients in low-income countries.}},
  author       = {{Abate, G and Miörner, Håkan and Ahmed, O and Hoffner, S E}},
  issn         = {{1815-7920}},
  keywords     = {{multidrug resistance; tuberculosis; Ethiopia}},
  language     = {{eng}},
  number       = {{7}},
  pages        = {{580--584}},
  publisher    = {{International Union against Tuberculosis and Lung Disease}},
  series       = {{The International Journal of Tuberculosis and Lung Disease}},
  title        = {{Drug resistance in Mycobacterium tuberculosis strains isolated from re-treatment cases of pulmonary tuberculosis in Ethiopia: susceptibility to first-line and alternative drugs}},
  volume       = {{2}},
  year         = {{1998}},
}