The World Health Organization (WHO) has recently released updated guidelines for tackling tuberculosis (TB), emphasizing the critical role of TB food assistance and nutritional support. These new recommendations call for providing food assistance to households with TB patients. Furthermore, they recommend screening undernourished or food-insecure individuals for the disease. This represents a significant shift in global TB policy, reflecting a deeper understanding of nutrition’s impact on disease progression and prevention.
Indian Research Influences Global TB Policy
This groundbreaking shift is notably inspired by the Reducing Activation of Tuberculosis by Improvement of Nutritional Status (RATIONS) trial, conducted by Indian researchers. Published in The Lancet and The Lancet Global, the RATIONS trial, primarily carried out in Jharkhand, underscored nutrition’s vital role. It showed improved nutrition significantly reduces mortality among people with active TB and lowers incidence among household contacts of pulmonary TB patients.
The ICMR-supported RATIONS trials were expertly led by Dr. Anurag Bhargava and Dr. Madhavi Bhargava from Kasturba Medical College and Yenepoya Medical College, respectively. Their studies revealed that weight gain during the first two months was associated with a 60 percent lower risk of TB mortality. Additionally, patients experienced higher treatment success rates and a decrease in loss to follow-up. Notably, better nutrition among family members of pulmonary tuberculosis patients reduced the incidence of all forms of the disease in household contacts by nearly 40 percent. It also reduced infectious TB by 50 percent.
India’s Proactive Measures in Nutritional Support
Based on this compelling evidence, India’s Health Ministry proactively doubled nutritional support to TB patients last year under the Ni-kshay Poshan Yojana, increasing it from Rs 500 to Rs 1,000. Furthermore, the ministry began offering energy-dense nutritional supplementation to patients with a Body Mass Index (BMI) below 18.5. Moreover, the coverage of the Ni-Kshay Mitra initiative expanded to include the family members of TB patients, demonstrating a comprehensive approach to tackling the disease at a household level.
Undernutrition: A Major Driver of the TB Epidemic
WHO consistently highlights undernutrition as one of the most significant drivers of the global TB epidemic. Undernutrition contributes to increased vulnerability to the disease, poorer treatment outcomes, and preventable mortality. Therefore, addressing undernutrition and food insecurity among those affected by TB holds immense potential to improve health outcomes and save lives.
Dr. Tereza Kasaeva, Director of the WHO Department for HIV, Tuberculosis, Hepatitis, and Sexually Transmitted Infections, affirmed that “Tuberculosis thrives on inequality, with undernutrition as a major driver.” She further stated, “To end TB, we must address undernutrition and food insecurity as part of a comprehensive, household-centred response. Integrating nutrition into comprehensive TB care is essential to breaking the cycle of disease and poverty, and constitutes a critical step towards a world free of TB.”
Key Recommendations for Effective TB Food Assistance
The new WHO guidelines feature several key recommendations. For instance, they advocate for nutritional assessment and counselling for all individuals with tuberculosis, as well as their household contacts. This acknowledges that a significant proportion of people living in households with TB often face undernutrition.
Furthermore, the guidelines recommend providing nutritional interventions to optimize clinical outcomes for TB patients who are undernourished. This applies regardless of their age, drug resistance, pregnancy status, or the severity of undernutrition. The provision of TB food assistance is also recommended to prevent the disease in household contacts of TB patients in food-insecure settings. Specifically, WHO suggests offering food baskets combined with multiple micronutrient supplements to all households of people with TB in such settings. Nutritional interventions, whether for severe, moderate, or mild undernutrition, should be part of a comprehensive package of tuberculosis care. WHO also suggests that Vitamin D supplementation may be considered for TB patients within the context of rigorous research.
Frequently Asked Questions
Q1: What are the new WHO guidelines regarding TB and nutrition?
A: The new WHO guidelines recommend providing food assistance to households with TB patients, screening undernourished individuals for TB, and offering nutritional interventions to optimize clinical outcomes for undernourished TB patients and their contacts.
Q2: How did the RATIONS trial influence these guidelines?
A: The RATIONS trial, conducted by Indian researchers, provided compelling evidence that improved nutrition significantly reduces mortality among active TB patients and decreases TB incidence among household contacts, directly informing the WHO’s new recommendations.
Q3: Why is addressing undernutrition crucial in the fight against TB?
A: Undernutrition is a major driver of the global TB epidemic, increasing vulnerability to the disease, leading to poorer treatment outcomes, and causing preventable mortality. Addressing it can significantly improve outcomes and save lives.
References
- WHO’s new TB guidelines calls for food assistance to tackle disease – ETHealthworld
- WHO releases new guidelines on tuberculosis and undernutrition – World Health Organization.
- Nutritional supplementation to prevent tuberculosis incidence in household contacts of patients with pulmonary tuberculosis in India (RATIONS): a field-based, open-label, cluster-randomised, controlled trial – PubMed.
- WHO redefines TB care with new focus on food and nutritional support – Business Standard.
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