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Related Experiment Videos

[Extensively drug-resistant tuberculosis].

C Lange1, M P Grobusch, D Wagner

  • 1Klinische Infektiologie, Medizinische Klinik, Forschungszentrum Borstel.

Deutsche Medizinische Wochenschrift (1946)
|February 14, 2008
PubMed
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Extensively drug-resistant tuberculosis (XDR-TB) is a growing global threat, particularly in southern Africa among HIV-positive individuals. Urgent development of new diagnostics and antibiotics is crucial for effective treatment.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Public Health

Context:

  • Increasing global prevalence of antibiotic-resistant Mycobacterium tuberculosis (MTB) strains.
  • Emergence of extensively drug-resistant tuberculosis (XDR-TB) strains, defined by resistance to key anti-TB drugs.
  • XDR-TB is a significant public health crisis in southern Africa, especially in HIV-seropositive populations.

Purpose:

  • To highlight the growing threat of XDR-TB worldwide.
  • To emphasize the urgent need for novel diagnostic tools and therapeutic agents against drug-resistant tuberculosis.
  • To underscore the critical gap in research and development for tuberculosis treatments.

Summary:

  • Extensively drug-resistant tuberculosis (XDR-TB) is characterized by resistance to multiple first- and second-line anti-TB drugs, including fluoroquinolones and injectables.

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  • XDR-TB strains are increasingly prevalent in southern Africa, particularly in individuals co-infected with HIV, and are transmitted through person-to-person contact.
  • While rare in Germany, XDR-TB cases are primarily observed in migrants with prior tuberculosis treatment history.

    • Impact:

    • The rise of XDR-TB necessitates immediate action and investment in the development of rapid diagnostic tests and new antibiotic classes.
    • Effective treatment strategies for XDR-TB are currently limited, posing a severe challenge to global tuberculosis control efforts.
    • Accelerated research and development are essential to provide successful treatment options for all patients with tuberculosis and combat drug resistance.