Mortality from drug-resistant tuberculosis in high-burden countries comparing routine drug susceptibility testing with whole-genome sequencing: a multicentre cohort study.
Journal
The Lancet. Microbe
ISSN: 2666-5247
Titre abrégé: Lancet Microbe
Pays: England
ID NLM: 101769019
Informations de publication
Date de publication:
Jul 2021
Jul 2021
Historique:
entrez:
7
3
2022
pubmed:
8
3
2022
medline:
8
3
2022
Statut:
ppublish
Résumé
Drug resistance threatens global tuberculosis control. We aimed to examine mortality in patients with tuberculosis from high-burden countries, according to concordance or discordance of results from drug susceptibility testing done locally and whole-genome sequencing (WGS). In this multicentre cohort study, we collected pulmonary Between Sept 1, 2014, and July 4, 2016, of 634 patients included in our previous analysis, we included 582 patients with tuberculosis (median age 33 years [IQR 27-43], 225 [39%] women, and 247 [42%] HIV-positive). Based on WGS, 339 (58%) isolates were pan-susceptible, 35 (6%) monoresistant, 146 (25%) multidrug-resistant, and 24 (4%) pre-extensively drug-resistant (pre-XDR) or XDR. The analysis of mortality was based on 530 patients; 63 (12%) died and 77 (15%) patients received inappropriate treatment. Mortality ranged from 6% (18 of 310) in patients with pan-susceptible tuberculosis to 39% (nine of 23) in patients with pre-XDR or XDR tuberculosis. The adjusted odds ratio for mortality was 4·92 (95% CI 2·47-9·78) among undertreated patients, compared with appropriately treated patients. In seven countries with a high burden of tuberculosis, we observed discrepancies between drug resistance patterns obtained locally and WGS. The underdiagnosis of drug resistance resulted in inappropriate treatment and higher mortality. WGS can provide accurate and detailed drug resistance information required to improve the outcomes of drug-resistant tuberculosis in high-burden settings. Our results support WHO's call for point-of-care tests based on WGS. National Institutes of Allergy and Infectious Diseases, Swiss National Science Foundation, and Swiss National Center for Mycobacteria.
Sections du résumé
BACKGROUND
BACKGROUND
Drug resistance threatens global tuberculosis control. We aimed to examine mortality in patients with tuberculosis from high-burden countries, according to concordance or discordance of results from drug susceptibility testing done locally and whole-genome sequencing (WGS).
METHODS
METHODS
In this multicentre cohort study, we collected pulmonary
FINDINGS
RESULTS
Between Sept 1, 2014, and July 4, 2016, of 634 patients included in our previous analysis, we included 582 patients with tuberculosis (median age 33 years [IQR 27-43], 225 [39%] women, and 247 [42%] HIV-positive). Based on WGS, 339 (58%) isolates were pan-susceptible, 35 (6%) monoresistant, 146 (25%) multidrug-resistant, and 24 (4%) pre-extensively drug-resistant (pre-XDR) or XDR. The analysis of mortality was based on 530 patients; 63 (12%) died and 77 (15%) patients received inappropriate treatment. Mortality ranged from 6% (18 of 310) in patients with pan-susceptible tuberculosis to 39% (nine of 23) in patients with pre-XDR or XDR tuberculosis. The adjusted odds ratio for mortality was 4·92 (95% CI 2·47-9·78) among undertreated patients, compared with appropriately treated patients.
INTERPRETATION
CONCLUSIONS
In seven countries with a high burden of tuberculosis, we observed discrepancies between drug resistance patterns obtained locally and WGS. The underdiagnosis of drug resistance resulted in inappropriate treatment and higher mortality. WGS can provide accurate and detailed drug resistance information required to improve the outcomes of drug-resistant tuberculosis in high-burden settings. Our results support WHO's call for point-of-care tests based on WGS.
FUNDING
BACKGROUND
National Institutes of Allergy and Infectious Diseases, Swiss National Science Foundation, and Swiss National Center for Mycobacteria.
Identifiants
pubmed: 35252901
doi: 10.1016/S2666-5247(21)00044-6
pmc: PMC8896764
mid: NIHMS1720101
doi:
Substances chimiques
Antitubercular Agents
0
Types de publication
Journal Article
Multicenter Study
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Pagination
e320-e330Subventions
Organisme : NIAID NIH HHS
ID : U01 AI096299
Pays : United States
Organisme : NIAID NIH HHS
ID : U01 AI069923
Pays : United States
Organisme : NIAID NIH HHS
ID : U01 AI069911
Pays : United States
Organisme : NIAID NIH HHS
ID : U01 AI069907
Pays : United States
Organisme : Wellcome Trust
Pays : United Kingdom
Organisme : NIAID NIH HHS
ID : U01 AI069924
Pays : United States
Organisme : NIAID NIH HHS
ID : U01 AI069919
Pays : United States
Organisme : NIAID NIH HHS
ID : U01 AI069918
Pays : United States
Organisme : Cancer Research UK
ID : FC0010218
Pays : United Kingdom
Organisme : Wellcome Trust
ID : 203135
Pays : United Kingdom
Organisme : Wellcome Trust
ID : 104803
Pays : United Kingdom
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