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Updated: Aug 8, 2026

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
Published on: August 11, 2008
Community-based therapy for children with multidrug-resistant tuberculosis
Peter C Drobac1, Joia S Mukherjee, J Keith Joseph
1Social Medicine and Health Inequalities, Brigham and Women's Hospital, Boston, MA 02120, USA. pdrobac@partners.org
Insights
Treatment for multidrug-resistant tuberculosis in children in Lima, Peru, was successful, with 95% cure rates. The therapy was well-tolerated, demonstrating that pediatric multidrug-resistant tuberculosis can be managed effectively even in resource-poor settings.
Area of Science:
- Pediatric infectious diseases
- Global health epidemiology
- Tuberculosis research
Background:
- Multidrug-resistant tuberculosis (MDR-TB) poses a significant global health challenge, particularly in high-prevalence urban settings.
- Children with MDR-TB often present with complex clinical conditions, including malnutrition and severe radiographic findings.
- Effective management strategies for pediatric MDR-TB are crucial, especially in resource-limited environments.
Purpose of the Study:
- To describe the management of multidrug-resistant tuberculosis (MDR-TB) in children.
- To assess the tolerability of second-line antituberculosis agents in pediatric patients.
- To report treatment outcomes for children with MDR-TB in Lima, Peru.
Main Methods:
- Retrospective analysis of 38 children under 15 years old diagnosed with or suspected of having MDR-TB.
- Individualized, supervised treatment regimens using at least five first- or second-line drugs for 18–24 months.
- Data collected on clinical presentation, treatment, adverse events, and outcomes.
Main Results:
- 45% of children had malnutrition or anemia; 29% had severe radiographic findings.
- 42% of children experienced adverse events, but none required prolonged therapy suspension.
- A high cure rate of 95% (36 of 38 children) was achieved, with low mortality (2.5%) and default rates (2.5%).
Conclusions:
- Multidrug-resistant tuberculosis in children can be successfully treated in resource-poor settings.
- Second-line antituberculosis agents are generally well-tolerated in pediatric populations.
- Effective MDR-TB management in children is feasible even in high-prevalence urban areas like Lima, Peru.
Objectives:
The goals were to describe the management of multidrug-resistant tuberculosis among children, to examine the tolerability of second-line antituberculosis agents among children, and to report the outcomes of children treated for multidrug-resistant tuberculosis in poor urban communities in Lima, Peru, a city with high tuberculosis prevalence.
Methods:
A retrospective analysis of data for 38 children <15 years of age with multidrug-resistant tuberculosis, either documented with drug sensitivity testing of the child's tuberculosis isolate or suspected on the basis of the presence of clinical symptoms for a child with a household contact with documented multidrug-resistant tuberculosis, was performed. All 38 children initiated a supervised individualized treatment regimen for multidrug-resistant tuberculosis between July 1999 and July 2003. Each child received 18 to 24 months of therapy with > or =5 first- or second-line drugs to which their Mycobacterium tuberculosis strain was presumed to be sensitive.
Results:
Forty-five percent of the children had malnutrition or anemia at the time of diagnosis, 29% had severe radiographic findings (defined as bilateral or cavitary disease), and 13% had extrapulmonary disease. Forty-five percent of the children were hospitalized initially because of the severity of illness. Adverse events were observed for 42% of the children, but no events required suspension of therapy for >5 days. Ninety-five percent of the children (36 of 38 children) achieved cures or probable cures, 1 child (2.5%) died, and 1 child (2.5%) defaulted from therapy.
Conclusions:
Multidrug-resistant tuberculosis disease among children can be treated successfully in resource-poor settings. Treatment is well tolerated by children, and severe adverse events with second-line agents are rare.
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