Observational studyMalaria journal2024
Assessing tafenoquine implementation in Brazil: a qualitative evaluation of perceptions of healthcare providers and Plasmodium vivax patients (QualiTRuST Study).
Observational study in Malaria journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Risk perceptions of high-dose primaquine and tafenoquine amongBMJ global health · 2026Article
- Interdisciplinary and Participatory Research for the Elimination of Socially Determined Diseases in the Amazon: A Narrative Review.Revista da Sociedade Brasileira de Medicina Tropical · 2026Review
- The Landscape of Malaria in a Five-Decade Institution in the State of Amazonas: Historical Trends, Scientific Contributions, and Research Priorities.Revista da Sociedade Brasileira de Medicina Tropical · 2026Review
- Effectiveness of tafenoquine and primaquine for radical cure of Plasmodium vivax: a meeting report from dissemination of results of the EFFORT trial to stakeholders in Pakistan.Malaria journal · 2025Article
- Perceptions of shorter radical cure Plasmodium vivax treatment regimens and their implementation: a qualitative study among stakeholders in Cambodia.Malaria journal · 2025Article
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Authors and funding
14 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTo eliminate malaria by 2035, Brazil must address Plasmodium vivax. Previously, first-line treatment was chloroquine plus 7-day primaquine (PQ) without glucose-6-phosphate dehydrogenase (G6PD) deficiency testing. In 2021, point-of-care quantitative G6PD testing and single-dose tafenoquine (TQ) were piloted in two municipalities. This study evaluated healthcare professional (HCP) and patient perceptions of TQ implementation.
methodsThis qualitative observational study in Manaus and Porto Velho municipalities evaluated the pilot implementation of the new P. vivax malaria treatment algorithm in high/medium-complexity healthcare units (phase one), then low-complexity units (phase two). Qualitative data collection began 30 days after the first TQ treatment in each phase, i.e., October 2021 and March 2022. Perceptions of TQ were assessed using semi-structured in-depth interviews and field notes until saturation. Data were analysed through debriefing sessions, and systematic organization in Excel and MAXQDA, with themes derived by inductive and deductive analysis.
resultsThe study included 55 patients who received TQ and 94 HCPs. HCPs viewed the TQ single-dose regimen as a significant advancement over 7-day PQ, enhancing adherence. Patients appreciated the shorter duration of treatment and perceived a rapid clinical recovery and fewer side effects. HCPs also noted that TQ resulted in fewer recurrences of P. vivax. The single-dose administration of TQ facilitated complete supervision of the treatment, reduced HCP workload and ensured that patients received the necessary care and did not share the medication with family members. TQ packaging instilled patient trust, though HCPs working in the community found the packaging too bulky. Prescription insecurities among HCPs after initial training prompted requests for additional training. While some patients initially doubted single-dose efficacy, confidence grew with experience. TQ implementation increased awareness of pharmacovigilance and enhanced patient communication, with HCPs adhering to protocols for monitoring haemolysis symptoms.
conclusionSingle-dose TQ for P. vivax malaria in Brazil's Amazon region was positively received by HCPs and patients. Positive perceptions of the medication may aid in improving patient adherence to malaria treatment, thereby reducing malaria recurrences. The findings underscore the importance of adaptive training to optimize P. vivax radical cure implementation.
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