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Pinhata JMW, Ferrazoli L, Mendes FDF, Gonçalves MG, Rabello MCDS, Ghisi KT, Simonsen V, Cavalin RF, Lindoso AABP, de Oliveira RS. A descriptive study on isoniazid resistance-associated mutations, clustering and treatment outcomes of drug-resistant tuberculosis in a high burden country. Eur J Clin Microbiol Infect Dis 2024; 43:73-85. [PMID: 37943394 DOI: 10.1007/s10096-023-04693-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 10/24/2023] [Indexed: 11/10/2023]
Abstract
PURPOSE To describe katG and inhA mutations, clinical characteristics, treatment outcomes and clustering of drug-resistant tuberculosis (TB) in the State of São Paulo, southeast Brazil. METHODS Mycobacterium tuberculosis isolates from patients diagnosed with drug-resistant TB were screened for mutations in katG and inhA genes by line probe assay and Sanger sequencing, and typed by IS6110-restriction fragment-length polymorphism for clustering assessment. Clinical, epidemiological and demographic data were obtained from surveillance information systems for TB. RESULTS Among the 298 isolates studied, 127 (42.6%) were isoniazid-monoresistant, 36 (12.1%) polydrug-resistant, 93 (31.2%) MDR, 16 (5.4%) pre-extensively drug-resistant (pre-XDR), 9 (3%) extensively drug-resistant (XDR) and 17 (5.7%) susceptible after isoniazid retesting. The frequency of katG 315 mutations alone was higher in MDR isolates, while inhA promoter mutations alone were more common in isoniazid-monoresistant isolates. Twenty-six isolates phenotypically resistant to isoniazid had no mutations either in katG or inhA genes. The isolates with inhA mutations were found more frequently in clusters (75%) when compared to the isolates with katG 315 mutations (59.8%, p = 0.04). In our population, being 35-64 years old, presenting MDR-, pre-XDR- or XDR-TB and being a retreatment case were associated with unfavourable TB treatment outcomes. CONCLUSION We found that katG and inhA mutations were not equally distributed between isoniazid-monoresistant and MDR isolates. In our population, clustering was higher for isolates with inhA mutations. Finally, unfavourable TB outcomes were associated with specific factors.
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Affiliation(s)
- Juliana Maira Watanabe Pinhata
- Núcleo de Tuberculose e Micobacterioses, Centro de Bacteriologia, Instituto Adolfo Lutz (IAL), Av. Dr. Arnaldo, 351, 9º Andar, São Paulo, SP, 01246-000, Brazil.
| | - Lucilaine Ferrazoli
- Núcleo de Tuberculose e Micobacterioses, Centro de Bacteriologia, Instituto Adolfo Lutz (IAL), Av. Dr. Arnaldo, 351, 9º Andar, São Paulo, SP, 01246-000, Brazil
| | - Flávia de Freitas Mendes
- Núcleo de Tuberculose e Micobacterioses, Centro de Bacteriologia, Instituto Adolfo Lutz (IAL), Av. Dr. Arnaldo, 351, 9º Andar, São Paulo, SP, 01246-000, Brazil
| | - Maria Gisele Gonçalves
- Núcleo de Tuberculose e Micobacterioses, Centro de Bacteriologia, Instituto Adolfo Lutz (IAL), Av. Dr. Arnaldo, 351, 9º Andar, São Paulo, SP, 01246-000, Brazil
| | | | - Kelen Teixeira Ghisi
- Núcleo de Tuberculose e Micobacterioses, Centro de Bacteriologia, Instituto Adolfo Lutz (IAL), Av. Dr. Arnaldo, 351, 9º Andar, São Paulo, SP, 01246-000, Brazil
| | - Vera Simonsen
- Núcleo de Tuberculose e Micobacterioses, Centro de Bacteriologia, Instituto Adolfo Lutz (IAL), Av. Dr. Arnaldo, 351, 9º Andar, São Paulo, SP, 01246-000, Brazil
| | | | | | - Rosângela Siqueira de Oliveira
- Núcleo de Tuberculose e Micobacterioses, Centro de Bacteriologia, Instituto Adolfo Lutz (IAL), Av. Dr. Arnaldo, 351, 9º Andar, São Paulo, SP, 01246-000, Brazil
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Chaiyachat P, Kaewseekhao B, Chaiprasert A, Kamolwat P, Nonghanphithak D, Phetcharaburanin J, Sirichoat A, Ong RTH, Faksri K. Metabolomic analysis of Mycobacterium tuberculosis reveals metabolic profiles for identification of drug-resistant tuberculosis. Sci Rep 2023; 13:8655. [PMID: 37244948 DOI: 10.1038/s41598-023-35882-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 05/25/2023] [Indexed: 05/29/2023] Open
Abstract
The detection of pre-extensively (pre-XDR) and extensively drug-resistant tuberculosis (XDR-TB) is challenging. Drug-susceptibility tests for some anti-TB drugs, especially ethambutol (ETH) and ethionamide (ETO), are problematic due to overlapping thresholds to differentiate between susceptible and resistant phenotypes. We aimed to identify possible metabolomic markers to detect Mycobacterium tuberculosis (Mtb) strains causing pre-XDR and XDR-TB. The metabolic patterns of ETH- and ETO-resistant Mtb isolates were also investigated. Metabolomics of 150 Mtb isolates (54 pre-XDR, 63 XDR-TB and 33 pan-susceptible; pan-S) were investigated. Metabolomics of ETH and ETO phenotypically resistant subgroups were analyzed using UHPLC-ESI-QTOF-MS/MS. Orthogonal partial least-squares discriminant analysis revealed distinct separation in all pairwise comparisons among groups. Two metabolites (meso-hydroxyheme and itaconic anhydride) were able to differentiate the pre-XDR and XDR-TB groups from the pan-S group with 100% sensitivity and 100% specificity. In comparisons of the ETH and ETO phenotypically resistant subsets, sets of increased (ETH = 15, ETO = 7) and decreased (ETH = 1, ETO = 6) metabolites specific for the resistance phenotype of each drug were found. We demonstrated the potential for metabolomics of Mtb to differentiate among types of DR-TB as well as between isolates that were phenotypically resistant to ETO and ETH. Thus, metabolomics might be further applied for DR-TB diagnosis and patient management.
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Affiliation(s)
- Pratchakan Chaiyachat
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Research and Diagnostic Center for Emerging Infectious Diseases (RCEID), Khon Kaen University, Khon Kaen, Thailand
| | - Benjawan Kaewseekhao
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Research and Diagnostic Center for Emerging Infectious Diseases (RCEID), Khon Kaen University, Khon Kaen, Thailand
| | - Angkana Chaiprasert
- Office for Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Phalin Kamolwat
- Bureau of Tuberculosis, Department of Disease Control, Ministry of Public Health, Nonthaburi, Thailand
| | - Ditthawat Nonghanphithak
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Research and Diagnostic Center for Emerging Infectious Diseases (RCEID), Khon Kaen University, Khon Kaen, Thailand
| | - Jutarop Phetcharaburanin
- Department of Systems Biosciences and Computational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Auttawit Sirichoat
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Research and Diagnostic Center for Emerging Infectious Diseases (RCEID), Khon Kaen University, Khon Kaen, Thailand
| | - Rick Twee-Hee Ong
- Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore
| | - Kiatichai Faksri
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.
- Research and Diagnostic Center for Emerging Infectious Diseases (RCEID), Khon Kaen University, Khon Kaen, Thailand.
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Salari N, Kanjoori AH, Hosseinian-Far A, Hasheminezhad R, Mansouri K, Mohammadi M. Global prevalence of drug-resistant tuberculosis: a systematic review and meta-analysis. Infect Dis Poverty 2023; 12:57. [PMID: 37231463 DOI: 10.1186/s40249-023-01107-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 05/16/2023] [Indexed: 05/27/2023] Open
Abstract
BACKGROUND Tuberculosis is a bacterial infectious disease, which affects different parts of a human body, mainly lungs and can lead to the patient's death. The aim of this study is to investigate the global prevalence of drug-resistant tuberculosis using a systematic review and meta-analysis. METHODS In this study, the PubMed, Scopus, Web of Science, Embase, ScienceDirect and Google Scholar repositories were systematically searched to find studies reporting the global prevalence of drug-resistant tuberculosis. The search did not entail a lower time limit, and articles published up until August 2022 were considered. Random effects model was used to perform the analysis. The heterogeneity of the studies was examined with the I2 test. Data analysis was conducted within the Comprehensive Meta-Analysis software. RESULTS In the review of 148 studies with a sample size of 318,430 people, the I2 index showed high heterogeneity (I2 = 99.6), and accordingly random effects method was used to analyze the results. Publication bias was also examined using the Begg and Mazumdar correlation test which indicated the existence of publication bias in the studies (P = 0.008). According to our meta-analysis, the global pooled prevalence of multi-drug resistant TB is 11.6% (95% CI: 9.1-14.5%). CONCLUSIONS The global prevalence of drug-resistant tuberculosis was found to be very high, thus health authorities should consider ways to control and manage the disease to prevent a wider spread of tuberculosis and potentially subsequent deaths.
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Affiliation(s)
- Nader Salari
- Department of Biostatistics, School of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Amir Hossein Kanjoori
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Amin Hosseinian-Far
- Department of Business Systems & Operations, University of Northampton, Northampton, UK
| | - Razie Hasheminezhad
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Kamran Mansouri
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Masoud Mohammadi
- Cellular and Molecular Research Center, Gerash University of Medical Sciences, Gerash, Iran.
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Ule Belotti NC, Madela NK, Tonelli Nardi SM, Mariano DC, de Souza NG, Oliveira RS, Paro Pedro HDS. Evaluation of xpert Mycobacterium tuberculosis rifampicin for tuberculosis diagnosis in a reference laboratory. Int J Mycobacteriol 2022; 11:435-441. [PMID: 36510931 DOI: 10.4103/ijmy.ijmy_195_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background The Xpert Mycobacterium tuberculosis Rifampicin (MTB-RIF) is a technological innovation that presents precision and speed in the diagnosis of tuberculosis (TB). The study aimed to evaluate the performance of Xpert MTB/RIF in the TB diagnosis and compare its results with those of culture, species identification, Antimicrobial Susceptibility Testing (AST), and rpoB gene sequencing of discordant results in AST, used for the diagnosis of TB in a reference laboratory. Methods Cross-sectional descriptive study of pulmonary and extrapulmonary samples requesting Xpert MTB/RIF and culture for TB diagnosis from 2015 to 2019 at Adolfo Lutz Institute-São Paulo/Brazil. The analysis was performed with Epi-Info 7.2.1, presenting the distribution of frequencies and, for comparative analyses, Pearson's Chi-square test and Fisher's exact test were used, considering P ≤ 0.05 as statistically significant. For variables agreement, the Kappa method was used. Results A total of 1575 pulmonary and extrapulmonary samples were analyzed using Xpert MTB/RIF and culture, of which 293 were positive for the MTB Complex in both methodologies with a sensitivity of 94.55%; specificity of 95.97%; accuracy 95.69%; positive predictive value 85.53%; negative predictive value 98.59%, substantial agreement by Kappa 0.87, and detection sensitivity even at lower levels of bacillary load (P < 0.05). The Xpert MTB/RIF and AST showed concordant results (P < 0.05). Conclusion The study brings forward that the Xpert MTB/RIF shows substantial agreement with the results of culture and AST, contributing to the diagnosis of TB and the rapid detection of resistance. The sequencing of resistant cultures in Xpert MTB/RIF and sensitivity in AST identified the H526N mutation, characterized by a low level of resistance to RIF.
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Affiliation(s)
| | - Naiady Konno Madela
- Biomedical Sciences Center, Adolfo Lutz Institute, São José do Rio Preto, São Paulo, Brazil
| | | | | | - Nilza Gomes de Souza
- Tuberculosis Department, Epidemiological Surveillance Group, São José do Rio Preto, São Paulo, Brazil
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Van Deun A, Decroo T, Aung KJM, Hossain MA, Gumusboga M, De Rijk WB, Tahseen S, de Jong BC, Rigouts L. Mycobacterium tuberculosis borderline rpoB mutations: emerging from the unknown. Eur Respir J 2021; 58:13993003.00783-2021. [PMID: 33926970 DOI: 10.1183/13993003.00783-2021] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 04/20/2021] [Indexed: 11/05/2022]
Affiliation(s)
| | - Tom Decroo
- Institute of Tropical Medicine, Unit of HIV and TB, Dept of Clinical Sciences, Antwerp, Belgium .,Research Foundation Flanders, Brussels, Belgium
| | | | | | - Mourad Gumusboga
- Institute of Tropical Medicine, Unit of Mycobacteriology, Dept of Biomedical Sciences, Antwerp, Belgium
| | - Willem Bram De Rijk
- Institute of Tropical Medicine, Unit of Mycobacteriology, Dept of Biomedical Sciences, Antwerp, Belgium
| | - Sabira Tahseen
- National Tuberculosis Control Program and Pakistan National Tuberculosis Reference laboratory, Islamabad, Pakistan
| | - Bouke Catherine de Jong
- Institute of Tropical Medicine, Unit of Mycobacteriology, Dept of Biomedical Sciences, Antwerp, Belgium
| | - Leen Rigouts
- Institute of Tropical Medicine, Unit of Mycobacteriology, Dept of Biomedical Sciences, Antwerp, Belgium
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Köser CU, Georghiou SB, Schön T, Salfinger M. On the Consequences of Poorly Defined Breakpoints for Rifampin Susceptibility Testing of Mycobacterium tuberculosis Complex. J Clin Microbiol 2021; 59:e02328-20. [PMID: 33568463 PMCID: PMC8092724 DOI: 10.1128/jcm.02328-20] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
In a recent report of a systematic review of critical concentrations (CCs), the World Health Organization (WHO) lowered the rifampin (RIF) CC for antimicrobial susceptibility testing (AST) of the Mycobacterium tuberculosis complex using Middlebrook 7H10 medium and the Bactec Mycobacterial Growth Indicator Tube (MGIT) 960 system from 1 to 0.5 μg/ml. The previous RIF CC for 7H10 had been in use for over half a century. Because it had served as the de facto reference standard, it contributed to the endorsement of inappropriately high CCs for other AST methods, including the U.S. Food and Drug Administration (FDA)-approved MGIT system. Moreover, this resulted in confusion about the interpretation of seven borderline resistance mutations in rpoB (i.e., L430P, D435Y, H445L, H445N, H445S, L452P, and I491F). In this issue of the Journal of Clinical Microbiology, Shea et al. (J Clin Microbiol 59:e01885-20, 2021, https://doi.org/10.1128/JCM.01885-20) provide evidence that the CC endorsed by the Clinical and Laboratory Standards Institute for the Sensititre MYCOTB system, which is not FDA approved but is CE-IVD marked in the European Union, is likely also too high. These findings underscore the importance of calibrating AST methods against a rigorously defined reference standard, as recently proposed by the European Committee on Antimicrobial Susceptibility Testing, as well as the value of routine next-generation sequencing for investigating discordant AST results.
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Affiliation(s)
- Claudio U Köser
- Department of Genetics, University of Cambridge, Cambridge, United Kingdom
| | | | - Thomas Schön
- Department of Infectious Diseases, Kalmar County Hospital, Linköping University, Kalmar, Sweden
- Unit of Infection and Inflammation, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
- Department of Infectious Diseases, Linköping University Hospital, Linköping, Sweden
| | - Max Salfinger
- University of South Florida College of Public Health and Morsani College of Medicine, Tampa, Florida, USA
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Mohamed S, Köser CU, Salfinger M, Sougakoff W, Heysell SK. Targeted next-generation sequencing: a Swiss army knife for mycobacterial diagnostics? Eur Respir J 2021; 57:57/3/2004077. [PMID: 33737379 DOI: 10.1183/13993003.04077-2020] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 12/09/2020] [Indexed: 02/04/2023]
Affiliation(s)
- Sagal Mohamed
- Division of Infectious Diseases and International Health, University of Virginia Charlottesville, Charlottesville, VA, USA
| | | | - Max Salfinger
- University of South Florida College of Public Health and Morsani College of Medicine, Tampa, FL, USA
| | - Wladimir Sougakoff
- Sorbonne Université, INSERM U1135, CIMI-Paris, APHP, Hôpital Pitié-Salpêtrière, NRC-MyRMA, Paris, France
| | - Scott K Heysell
- Division of Infectious Diseases and International Health, University of Virginia Charlottesville, Charlottesville, VA, USA
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