Prison as a driver of recent transmissions of multidrug-resistant tuberculosis in Callao, Peru : a cross-sectional study
© 2024 The Authors..
Background: We sought to identify resistance patterns and key drivers of recent multidrug-resistant tuberculosis (MDR-TB) transmission in a TB-prevalent area in Peru.
Methods: Cross-sectional study including MDR Mycobacterium tuberculosis complex (Mtbc) strains identified in Callao-Peru between April 2017 and February 2019. Mtbc DNA was extracted for whole genome sequencing which was used for phylogenetic inference, clustering, and resistance mutation analyses. Clusters indicative of recent transmission were defined based on a strain-to-strain distance of ≤5 (D5) single nucleotide polymorphisms (SNPs). Epidemiologic factors linked to MDR-TB clustering were analyzed using Poisson regression.
Findings: 171 unique MDR-Mtbc strains were included; 22 (13%) had additional fluoroquinolone resistance and were classified as pre-XDR. Six strains (3.5%) harboured bedaquiline (BDQ) resistance mutations and were classified as MDR + BDQ. 158 (92%) Mtbc strains belonged to lineage 4 and 13 (8%) to lineage 2. Using a cluster threshold of ≤5 SNPs, 98 (57%) strains were grouped in one of the 17 D5 clusters indicative of recent transmission, ranging in size from 2 to the largest cluster formed by 53 4.3.3 strains (group_1). Lineage 4.3.3 strains showed the overall highest cluster rate (43%). In multivariate analyses, current or previous imprisonment was independently associated with being part of any MDR-TB transmission clusters (adjusted prevalence ratio [aPR], 1.45; 95% CI, 1.09-1.92).
Interpretation: Pre-XDR-TB emerged in more than 10% of the MDR-TB strains investigated. Transmission of 4.3.3 Mtbc strains especially of the dominant group_1 clone is a major driver of the MDR-TB epidemic in Callao. Current or previous imprisonment was linked to recent MDR-TB transmissions, indicating an important role of prisons in driving the MDR-TB epidemic.
Funding: This work was supported in part by the ERANet-LAC Network of the European Union, Latin America and the Caribbean Countries on Joint Innovation and Research Activities, and FONDECYT. Additional support was received from Leibniz Science Campus Evolutionary Medicine of the Lung, the Deutsche Forschungsgemeinschaft (German Research Foundation, under Germany's Excellence Strategy-EXC 2167 Precision Medicine in Inflammation), and the Research Training Group 2501 TransEvo.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:31 |
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| Enthalten in: |
Lancet regional health. Americas - 31(2024) vom: 19. März, Seite 100674 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Utpatel, Christian [VerfasserIn] |
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| Links: |
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| Themen: |
Genome sequencing |
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| Anmerkungen: |
Date Revised 20.03.2024 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.lana.2024.100674 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM369906063 |
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| 520 | |a © 2024 The Authors. | ||
| 520 | |a Background: We sought to identify resistance patterns and key drivers of recent multidrug-resistant tuberculosis (MDR-TB) transmission in a TB-prevalent area in Peru | ||
| 520 | |a Methods: Cross-sectional study including MDR Mycobacterium tuberculosis complex (Mtbc) strains identified in Callao-Peru between April 2017 and February 2019. Mtbc DNA was extracted for whole genome sequencing which was used for phylogenetic inference, clustering, and resistance mutation analyses. Clusters indicative of recent transmission were defined based on a strain-to-strain distance of ≤5 (D5) single nucleotide polymorphisms (SNPs). Epidemiologic factors linked to MDR-TB clustering were analyzed using Poisson regression | ||
| 520 | |a Findings: 171 unique MDR-Mtbc strains were included; 22 (13%) had additional fluoroquinolone resistance and were classified as pre-XDR. Six strains (3.5%) harboured bedaquiline (BDQ) resistance mutations and were classified as MDR + BDQ. 158 (92%) Mtbc strains belonged to lineage 4 and 13 (8%) to lineage 2. Using a cluster threshold of ≤5 SNPs, 98 (57%) strains were grouped in one of the 17 D5 clusters indicative of recent transmission, ranging in size from 2 to the largest cluster formed by 53 4.3.3 strains (group_1). Lineage 4.3.3 strains showed the overall highest cluster rate (43%). In multivariate analyses, current or previous imprisonment was independently associated with being part of any MDR-TB transmission clusters (adjusted prevalence ratio [aPR], 1.45; 95% CI, 1.09-1.92) | ||
| 520 | |a Interpretation: Pre-XDR-TB emerged in more than 10% of the MDR-TB strains investigated. Transmission of 4.3.3 Mtbc strains especially of the dominant group_1 clone is a major driver of the MDR-TB epidemic in Callao. Current or previous imprisonment was linked to recent MDR-TB transmissions, indicating an important role of prisons in driving the MDR-TB epidemic | ||
| 520 | |a Funding: This work was supported in part by the ERANet-LAC Network of the European Union, Latin America and the Caribbean Countries on Joint Innovation and Research Activities, and FONDECYT. Additional support was received from Leibniz Science Campus Evolutionary Medicine of the Lung, the Deutsche Forschungsgemeinschaft (German Research Foundation, under Germany's Excellence Strategy-EXC 2167 Precision Medicine in Inflammation), and the Research Training Group 2501 TransEvo | ||
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| 650 | 4 | |a Multidrug resistance | |
| 650 | 4 | |a Prison | |
| 650 | 4 | |a Tuberculosis | |
| 700 | 1 | |a Zavaleta, Milagros |e verfasserin |4 aut | |
| 700 | 1 | |a Rojas-Bolivar, Daniel |e verfasserin |4 aut | |
| 700 | 1 | |a Mühlbach, Andreas |e verfasserin |4 aut | |
| 700 | 1 | |a Picoy, Janet |e verfasserin |4 aut | |
| 700 | 1 | |a Portugal, Walter |e verfasserin |4 aut | |
| 700 | 1 | |a Esteve-Solé, Ana |e verfasserin |4 aut | |
| 700 | 1 | |a Alsina, Laia |e verfasserin |4 aut | |
| 700 | 1 | |a Miotto, Paolo |e verfasserin |4 aut | |
| 700 | 1 | |a Bartholomeu, Daniella C |e verfasserin |4 aut | |
| 700 | 1 | |a Sanchez, Jorge |e verfasserin |4 aut | |
| 700 | 1 | |a Cuadros, Diego F |e verfasserin |4 aut | |
| 700 | 1 | |a Alarcon, Jorge O |e verfasserin |4 aut | |
| 700 | 1 | |a Niemann, Stefan |e verfasserin |4 aut | |
| 700 | 1 | |a Huaman, Moises A |e verfasserin |4 aut | |
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