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Drug resistance in tuberculosis
L M Parsons1, J R Driscoll, H W Taber
1Division of Infectious Disease, Wadsworth Center, New York State Department of Health, Albany, USA.
Infectious Disease Clinics of North America
|January 9, 1998
Summary
Drug-resistant tuberculosis is a global challenge. Preventing resistance through proper antibiotic selection and directly-observed therapy is key, as resistance develops from mutations, not gene transfer.
Area of Science:
- Microbiology
- Infectious Diseases
- Pharmacology
Background:
- Drug-resistant tuberculosis (TB) presents a significant global health issue.
- Mycobacterium tuberculosis exhibits unique resistance mechanisms due to its treatment regimen.
- Current laboratory methods aid in rapid identification of resistant TB strains.
Purpose of the Study:
- To highlight the importance of preventing drug resistance in tuberculosis.
- To discuss the unique features of Mycobacterium tuberculosis drug resistance.
- To propose strategies for combating the emergence of further mycobacterial drug resistance.
Main Methods:
- Review of existing literature on tuberculosis drug resistance.
- Analysis of resistance mechanisms in Mycobacterium tuberculosis.
- Discussion of preventative strategies including antibiotic stewardship and directly-observed therapy.
Main Results:
- Tuberculosis drug resistance arises from spontaneous mutational events.
- Acquisition of resistance genes from other bacteria has not been identified as a mechanism.
- Effective prevention relies on appropriate antibiotic selection and adherence to treatment.
Conclusions:
- Preventing the emergence of drug resistance is paramount in managing tuberculosis.
- Understanding the mutational basis of resistance is crucial for developing new control strategies.
- An agenda for countering future drug resistance in mycobacteria is presented.