03453nas a2200397 4500000000100000008004100001653002200042653001500064653001800079653002900097653001100126100002200137700002100159700002900180700002200209700003500231700003600266700002100302700003600323700002800359700002100387700003000408700004400438700002100482700003700503700003700540700002700577700002400604700002700628700002700655245009300682856007100775300000800846490000800854520219300862 2025 d10aTrypanosoma cruzi10aLeishmania10aBibliometrics10atripanosomatids research10aBrazil1 aBárbara Marinho 1 a Izabela Mamede 1 aJúlia Raspante Martins 1 aAndré Rodrigues 1 aAna Gabrielle Batista de Melo 1 aAdalberto Sales Miranda-Junior 1 aAlice Rios Neto 1 aAmanda Carolina da Silva Nunes 1 aBruno Carvalho Resende 1 aDáfne Oliveira 1 aDarlan Oliveira da Silva 1 aFrederico Gabriel de Carvalho Oliveira 1 aJéssica Duarte 1 aLorrane Diniz de Carvalho Silva 1 aWesley Roger Rodrigues Ferreira 1 aDaniela De Laet-Souza 1 aAndrea Mara Macedo 1 aGlória Regina Franco 1 aCarlos Renato Machado 00aTrypanosomatid research in Brazil: a systematic analysis of regional and temporal trends uhttps://memorias.ioc.fiocruz.br/article/14314?task=artigo.download a1-90 v1203 a

BACKGROUND

Trypanosomatid infections such as Chagas disease (CD) and leishmaniasis remain major public-health concerns. Brazil has a long tradition in this field, yet a consolidated, country-level view of outputs, impact and collaboration patterns is useful to guide scientific policy.


OBJECTIVES 

To characterise Brazilian scientific production on Trypanosoma cruziLeishmania and Trypanosoma brucei (2010-2021), describing temporal trends, regional contributions, collaboration networks and journal impact.


METHODS 

We performed a bibliometric analysis of PubMed records retrieved with Medical Subject Headings (MeSH) for each pathogen/disease pair, covering publications from 1 January 2010 to 31 December 2021 (search date: 21 July 2022). Data items included article type, year, journal, author affiliations (countries/institutions) and, for Brazil, the geographical region of the corresponding author. Descriptive statistics and visualisations were generated in R.
 

FINDINGS 

From 21,713 records, 6,478 were affiliated to Brazil. Brazil contributed a substantial share of the global literature, particularly for T. cruzi (≈40%) and Leishmania (≈30%). Within Brazil, output increased over time with growing participation from the north and northeast, alongside expanding inter-institutional and international collaborations. Most publications appeared in higher-impact journals (Q1/Q2), with recent gains in Q1 outputs in historically under-represented regions. Original research predominated over reviews across the period.


MAIN CONCLUSIONS 

Brazilian trypanosomatid research shows sustained growth, increasing regional dispersion and rising international engagement, with a strong presence in high-impact journals. Continued support for collaborative networks and equitable funding across regions could further enhance national and global impact.