how are high burden countries implementing policies and tools for latent tuberculosis infection? a survey of current practices and barriers

how are high burden countries implementing policies and tools for latent tuberculosis infection? a survey of current practices and barriers

;Lena Faust;Morten Ruhwald;Samuel Schumacher;Madhukar Pai
journal of family issues 2020 Vol. 3 pp. n/a-n/a
200
faust2020healthhow

Abstract

Abstract Background and aims Despite the World Health Organization (WHO)'s updated guidelines on tuberculosis (TB) preventive treatment, the scale‐up of TB preventive therapy remains low in many high‐burden countries (HBCs). We conducted a survey to better understand the current status of policy implementation and barriers for scale‐up. Methods Survey questions pertained to HBCs' current latent TB infection (LTBI) screening and treatment strategies, and the availability of LTBI tests and newer treatments (eg, isoniazid/rifapentine [3HP]). The 19‐question survey was piloted and sent out via email in June 2019 as a protected Microsoft Word document to contacts [National TB Program (NTP) staff, researchers, and health officials] in the 30 TB HBCs. Responses were accepted until February 2020. Results Thirty‐seven completed surveys from 24 HBCs were received. Respondents from five countries (Brazil, Lesotho, Mozambique, Russia, Zambia) reported having LTBI guidelines that are fully implemented. Among respondents who indicated their country currently has no LTBI guideline implementation (Angola, China, DRC, India, Indonesia, Kenya, Myanmar), the most often cited barrier to implementation was the prioritization of active TB over LTBI management (n = 5, Angola, China, DRC, India, Kenya). Of the 16 countries in which respondents reported using purified protein derivative (PPD), 9 reported having experienced a PPD shortage within the past year (from time of survey). Respondents from six countries reported currently using Interferon‐gamma Release Assays (IGRAs) in their NTP, and 13 cited high cost as a barrier to IGRA use. Lastly, rifapentine was stated not be available in 8 HBCs. Conclusion This survey indicates limited implementation of WHO LTBI guidelines in HBCs and provides some insight into barriers to implementation, including shortage of products (eg, PPD), high costs (eg, IGRAs), and lack of regulatory approval of newer treatments (eg, rifapentine). Thus, we should work towards price reductions for LTBI tests and treatments, and the development of tests that can be more easily implemented at peripheral healthcare levels.

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