Cited by 140Tuberculosis Research and EpidemiologyInfectious Diseases and TuberculosisDiagnosis and treatment of tuberculosis

Diagnosis and treatment of multidrug-resistant tuberculosis

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Jang, Jong Geol, Chung, Jin Hong·2020·Yeungnam University Journal of Medicine

Abstract

Tuberculosis (TB) is still a major health problem worldwide. Especially, multidrug-resistant TB (MDR-TB), which is defined as TB that shows resistance to both isoniazid and rifampicin, is a barrier in the treatment of TB. Globally, approximately 3.4% of new TB patients and 20% of the patients with a history of previous treatment for TB were diagnosed with MDR-TB. The treatment of MDR-TB requires medications for a long duration (up to 20-24 months) with less effective and toxic second-line drugs and has unfavorable outcomes. However, treatment outcomes are expected to improve due to the introduction of a new agent (bedaquiline), repurposed drugs (linezolid, clofazimine, and cycloserine), and technological advancement in rapid drug sensitivity testing. The World Health Organization (WHO) released a rapid communication in 2018, followed by consolidated guidelines for the treatment of MDR-TB in 2019 based on clinical trials and an individual patient data meta-analysis. In these guidelines, the WHO suggested reclassification of second-line anti-TB drugs and recommended oral treatment regimens that included the new and repurposed agents. The aims of this article are to review the treatment strategies of MDR-TB based on the 2019 WHO guidelines regarding the management of MDR-TB and the diagnostic techniques for detecting resistance, including phenotypic and molecular drug sensitivity tests.

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Crossref · 10.12701/yujm.2020.00626

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  • Treatment typically involves standard antitubercular therapy, which is effective in most cases, although multidrug-resistant TB can complicate treatment.

    “Treatment typically involves standard antitubercular therapy, which is effective in most cases, although multidrug-resistant TB can complicate treatment [32,33,34].”

    From Head and Neck Tuberculosis: A Rare Diagnosis and the Role of Surgical Biopsy and Histopathological Evaluation in Extrapulmonary Disease (2025) · cites this paper as [34]

    The Introduction (page unavailable) says MDR-TB resists two of the most effective anti-TB drugs and requires longer, less effective second-line treatment, supporting the claim that resistance complicates treatment. The paper does not establish that standard antitubercular therapy is effective in most TB cases. (LLM, conf=0.86)

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  1. [2]World Health Organization WHO consolidated guidelines on drug-resistant tuberculosis treatment [Internet] Geneva World Health Organization 2019 [cited 2020 Jul 14]. https://www.who.int/tb/publications/2019/consolidated-guidelines-drug-resistant-TB-treatment/en/ 30946559
  2. [19]World Health Organization WHO consolidated guidelines on tuberculosis. Module 3: diagnosis–rapid diagnostics for tuberculosis detection [Internet] Geneva World Health Organization 2020 [cited 2020 Jul 14]. https://www.who.int/publications/i/item/who-consolidated-guidelines-on-tuberculosis-module-3-diagnosis---rapid-diagnostics-for-tuberculosis-detection 33999549

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Authors
Jang, J. G., & Chung, J. H.
Affiliations
Yeungnam University Medical Center (KR)
Corresponding author
Chung, Jin Hong
Venue
Yeungnam University Journal of Medicine
Published
2020-10-31
Volume
37
Issue
4
Pages
277-285
ISSN
  • 1225-7737 (ISSN-L)
  • 2384-0293
OpenAlex
W3083676524
Cited by
140
References
46
Citations by year
2026: 15 · 2025: 36 · 2024: 42 · 2023: 30 · 2022: 7 · 2021: 9 · 2020: 1
FWCI
1.54
Type
journal article
Language
en
Open access
Locations
  • Journal of Yeungnam Medical Science (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Tuberculosis Research and Epidemiology
  • Health Sciences › Medicine › Surgery › Infectious Diseases and Tuberculosis
  • Health Sciences › Medicine › Surgery › Diagnosis and treatment of tuberculosis
Keywords
multidrug-resistant tuberculosis, isoniazid resistance, rifampicin resistance, second-line antituberculosis drugs, bedaquiline, linezolid, clofazimine, cycloserine, drug repurposing, phenotypic drug susceptibility testing

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