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Escudero JN, Mecha J, Richardson BA, Maleche-Obimbo E, Matemo D, Kinuthia J, John-Stewart G, LaCourse SM. Impact of Human Immunodeficiency Virus and Peripartum Period on Mycobacterium tuberculosis Infection Detection. J Infect Dis 2023; 228:1709-1719. [PMID: 37768184 PMCID: PMC10733725 DOI: 10.1093/infdis/jiad416] [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: 03/10/2023] [Revised: 06/09/2023] [Accepted: 09/26/2023] [Indexed: 09/29/2023] Open
Abstract
BACKGROUND Pregnancy and human immunodeficiency virus (HIV) may influence tuberculosis infection detection using interferon (IFN)-γ release assay (QFT-Plus; Qiagen) and tuberculin skin test (TST). METHODS Participants in Western Kenya underwent QFT-Plus and TST in pregnancy, 6 weeks postpartum (6wkPP) and 12 months postpartum (12moPP). RESULTS 400 participants (200 with HIV [WHIV], 200 HIV-negative) enrolled during pregnancy (median 28 weeks' gestation [interquartile range, 24-30]). QFT-Plus positivity prevalence was higher than TST in pregnancy (32.5% vs 11.6%) and through 12moPP (6wkPP, 30.9% for QFT-Plus vs 18.0% for TST; 12moPP, 29.5% vs 17.1%; all P < .001), driven primarily by QFT-Plus-positive/TST-negative discordance among HIV-negative women. Tuberculosis infection test conversion incidence was 28.4/100 person-years (PY) and higher in WHIV than HIV-negative women (35.5 vs 20.9/100 PY; hazard ratio, 1.73 [95% confidence interval, 1.04-2.88]), mostly owing to early postpartum TST conversion among WHIV. Among QFT-Plus-positive participants in pregnancy, Mycobacterium tuberculosis (Mtb)-specific IFN-γ responses were dynamic through 12moPP and lower among WHIV than HIV-negative women with tuberculosis infection at all time points. CONCLUSIONS QFT-Plus had higher diagnostic yield than TST in peripartum women. Peripartum QFT-Plus positivity was stable and less influenced by HIV than TST. Mtb-specific IFN-γ responses were dynamic and lower among WHIV. Tuberculosis infection test conversion incidence was high between pregnancy and early postpartum, potentially owing to postpartum immune recovery.
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Affiliation(s)
- Jaclyn N Escudero
- Department of Global Health, University of Washington, Seattle, Washington, USA
| | - Jerphason Mecha
- Centre for Respiratory Diseases Research, Kenya Medical Research Institute, Nairobi, Kenya
| | - Barbra A Richardson
- Department of Global Health, University of Washington, Seattle, Washington, USA
- Department of Biostatistics, University of Washington, Seattle, Washington, USA
| | - Elizabeth Maleche-Obimbo
- Department of Global Health, University of Washington, Seattle, Washington, USA
- Department of Paediatrics and Child Health, University of Nairobi, Nairobi, Kenya
| | - Daniel Matemo
- Medical Research Department, Kenyatta National Hospital, Nairobi, Kenya
| | - John Kinuthia
- Department of Global Health, University of Washington, Seattle, Washington, USA
- Medical Research Department, Kenyatta National Hospital, Nairobi, Kenya
- Department of Reproductive Health, Kenyatta National Hospital, Nairobi, Kenya
| | - Grace John-Stewart
- Department of Global Health, University of Washington, Seattle, Washington, USA
- Department of Medicine, Division of Allergy and Infectious Diseases, University of Washington, Seattle, Washington, USA
- Department of Epidemiology, University of Washington, Seattle, Washington, USA
- Department of Pediatrics, University of Washington, Seattle, Washington, USA
| | - Sylvia M LaCourse
- Department of Global Health, University of Washington, Seattle, Washington, USA
- Department of Medicine, Division of Allergy and Infectious Diseases, University of Washington, Seattle, Washington, USA
- Department of Epidemiology, University of Washington, Seattle, Washington, USA
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Krishnan S, Wu X, Kim S, McIntire K, Naini L, Hughes MD, Dawson R, Mave V, Gaikwad S, Sanchez J, Mendoza-Ticona A, Gonzales P, Comins K, Shenje J, Fontain SN, Omozoarhe A, Mohapi L, Lalloo UG, Garcia Ferreira AC, Mugah C, Harrington M, Shah NS, Hesseling AC, Churchyard G, Swindells S, Gupta A. 1-Year Incidence of Tuberculosis Infection and Disease Among Household Contacts of Rifampin- and Multidrug-Resistant Tuberculosis. Clin Infect Dis 2023; 77:892-900. [PMID: 37227925 PMCID: PMC10681643 DOI: 10.1093/cid/ciad301] [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: 02/16/2023] [Revised: 04/24/2023] [Accepted: 05/17/2023] [Indexed: 05/27/2023] Open
Abstract
BACKGROUND Tuberculosis infection (TBI) and TB disease (TBD) incidence remains poorly described following household contact (HHC) rifampin-/multidrug-resistant TB exposure. We sought to characterize TBI and TBD incidence at 1 year in HHCs and to evaluate TB preventive treatment (TPT) use in high-risk groups. METHODS We previously conducted a cross-sectional study of HHCs with rifampin-/multidrug-resistant TB in 8 high-burden countries and reassessed TBI (interferon-gamma release assay, HHCs aged ≥5 years) and TBD (HHCs all ages) at 1 year. Incidence was estimated across age and risk groups (<5 years; ≥5 years, diagnosed with human immunodeficiency virus [HIV]; ≥5 years, not diagnosed with HIV/unknown, baseline TBI-positive) by logistic or log-binomial regression fitted using generalized estimating equations. RESULTS Of 1016 HHCs, 850 (83.7%) from 247 households were assessed (median, 51.4 weeks). Among 242 HHCs, 52 tested interferon-gamma release assay-positive, yielding a 1-year 21.6% (95% confidence interval [CI], 16.7-27.4) TBI cumulative incidence. Sixteen of 742 HHCs developed confirmed (n = 5), probable (n = 3), or possible (n = 8) TBD, yielding a 2.3% (95% CI, 1.4-3.8) 1-year cumulative incidence (1.1%; 95% CI, .5-2.2 for confirmed/probable TBD). TBD relative risk was 11.5-fold (95% CI, 1.7-78.7), 10.4-fold (95% CI, 2.4-45.6), and 2.9-fold (95% CI, .5-17.8) higher in age <5 years, diagnosed with HIV, and baseline TBI high-risk groups, respectively, vs the not high-risk group (P = .0015). By 1 year, 4% (21 of 553) of high-risk HHCs had received TPT. CONCLUSIONS TBI and TBD incidence continued through 1 year in rifampin-/multidrug-resistant TB HHCs. Low TPT coverage emphasizes the need for evidence-based prevention and scale-up, particularly among high-risk groups.
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Affiliation(s)
- Sonya Krishnan
- Department of Medicine, Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Xingye Wu
- Harvard T. H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Soyeon Kim
- Frontier Science Foundation, Brookline, Massachusetts, USA
| | - Katie McIntire
- Department of Medicine, Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Linda Naini
- Social & Scientific Systems, Silver Spring, Maryland, USA
| | - Michael D Hughes
- Harvard T. H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Rodney Dawson
- University of Cape Town Lung Institute and Department of Medicine, Cape Town, South Africa
| | - Vidya Mave
- Department of Medicine, Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Byramjee Jeejeebhoy Government Medical College, Pune, India
| | - Sanjay Gaikwad
- Byramjee Jeejeebhoy Government Medical College, Pune, India
| | - Jorge Sanchez
- Centro de Investigaciones Biomedicas y Medioambientales (CITBM), Universidad Nacional Mayor de San Marcos, Lima, Peru
| | | | - Pedro Gonzales
- Asociació n Civil Impacta Salud y Educació n, Lima, Peru
| | - Kyla Comins
- TASK Applied Science Clinical Research Site, Bellville, South Africa
| | - Justin Shenje
- South African Tuberculosis Vaccine Initiative, Cape Town, South Africa
| | - Sandy Nerette Fontain
- GHESKIO Centers Institute of Infectious Diseases and Reproductive Health, Port-au-Prince, Haiti
| | - Ayotunde Omozoarhe
- Botswana Harvard AIDS Institute Partnership CTU, Gaborone Clinical Research Site, Gaborone, Botswana
| | - Lerato Mohapi
- Soweto Clinical Research Site, University of the Witwatersrand, Johannesburg, South Africa
| | - Umesh G Lalloo
- Durban International Clinical Research Site, Durban University of Technology, Durban, South Africa
| | | | | | | | - N Sarita Shah
- Emory Rollins School of Public Health, Atlanta, Georgia, USA
| | - Anneke C Hesseling
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Stellenbosch University, Cape Town, South Africa
| | - Gavin Churchyard
- Aurum Institute, Parktown, South Africa
- University of the Witwatersrand, School of Public Health, Johannesburg, South Africa
- Advancing Care and Treatment, South African Medical Research Council, Johannesburg, South Africa
| | - Susan Swindells
- Department of Medicine, Division of Infectious Diseases, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Amita Gupta
- Department of Medicine, Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Byramjee Jeejeebhoy Government Medical College, Pune, India
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Longitudinal Mycobacterium tuberculosis specific interferon-γ responses in Ethiopian HIV-negative women during pregnancy and post-partum. J Clin Microbiol 2021; 59:e0086821. [PMID: 34319803 PMCID: PMC8451422 DOI: 10.1128/jcm.00868-21] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Pregnancy may influence cellular immune responses to Mycobacterium tuberculosis. We investigated M. tuberculosis-specific interferon-γ responses in women followed longitudinally during pregnancy and postpartum. Interferon-γ levels (stimulated by M. tuberculosis antigens [TB1 and TB2] and mitogen included in the QuantiFERON-TB Gold Plus assay) were measured in blood from pregnant HIV-negative women identified from a prospective cohort at Ethiopian antenatal care clinics. Longitudinal comparisons included women without active tuberculosis (TB) with M. tuberculosis-triggered interferon-γ responses of ≥ 0.20 IU/ml, sampled on two and/or three occasions (1st/2nd trimester, 3rd trimester, and 9 months postpartum). Among 2,093 women in the source cohort, 363 met inclusion criteria for longitudinal comparisons of M. tuberculosis-stimulated interferon-γ responses. Median M. tuberculosis-triggered interferon-γ concentrations were higher at 3rd than those at the 1st/2nd trimester (in 38 women with samples available from these time points; TB1: 2.8 versus 1.6 IU/ml, P = 0.005; TB2: 3.3 versus 2.8 IU/ml, P = 0.03) and postpartum (in 49 women with samples available from these time points; TB1: 3.1 versus 2.2 IU/ml, P = 0.01; TB2: 3.1 versus 2.3 IU/ml, P = 0.03). In contrast, mitogen-stimulated interferon-γ levels were lower at 3rd than those at 1st/2nd trimester (in 32 women with samples available from these time points: 21.0 versus 34.9 IU/ml, P = 0.02). Results were similar in 22 women sampled on all 3 occasions. In HIV-negative women, M. tuberculosis-stimulated interferon-γ responses were higher during the 3rd trimester than those at earlier stages of pregnancy and postpartum, despite decreased mitogen-triggered responses. These findings suggest increased M. tuberculosis-specific cellular responses due to dynamic changes of latent TB infection during pregnancy.
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Effect of Pregnancy on Interferon Gamma Release Assay and Tuberculin Skin Test Detection of Latent TB Infection Among HIV-Infected Women in a High Burden Setting. J Acquir Immune Defic Syndr 2017; 75:128-136. [PMID: 28141782 DOI: 10.1097/qai.0000000000001298] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Peripartum immunologic changes may affect latent tuberculosis infection (LTBI) diagnostic performance among HIV-infected women. METHODS HIV-infected women were serially tested with tuberculin skin test (TST) and interferon gamma release assay [QuantiFERON TB Gold In-tube (QFT)] in pregnancy and 6 weeks postpartum in Kenya. Prevalence, sensitivity and agreement, and correlates of QFT/TST positivity were assessed. Quantitative QFT mitogen and Mycobacterium tuberculosis antigen (Mtb-Ag) responses were compared by peripartum stage. Incidence of test conversion at 6 weeks postpartum was evaluated in baseline TST-/QFT- women. RESULTS Among 100 HIV-infected women, median age was 26 years, median CD4 was 555 cells per cubic millimeter, and 88% were on antiretrovirals. More women were QFT+ than TST+ in both pregnancy (35.4% vs. 13.5%, P = 0.001) and postpartum (29.6% vs. 14.8%, P < 0.001). Among 18 consistently QFT+ women, 8 (44%) converted from TST- to TST+, with improved test agreement postpartum (56.9%, κ = 0.20 to 82.4%, κ = 0.60). Three initially QFT-/TST- women had test conversion (TST+ and/or QFT+), suggesting new infection (incidence 13.4/100 person-years). Mean QFT mitogen (4.46 vs. 7.64 IU/mL, P < 0.001) and Mtb-Ag (1.03 vs. 1.54 IU/mL, P = 0.03) responses were lower among all women retested in pregnancy vs. postpartum, and specifically among persistently QFT+ women (Mtb-Ag: 3.46 vs. 4.48 IU/mL, P = 0.007). QFT indeterminate rate was higher in pregnancy (16%) compared with postpartum (0%) because of lower mitogen response. CONCLUSIONS QFT identified >2-fold more women with LTBI compared with TST in pregnancy and postpartum. Lower QFT Mtb-Ag and mitogen responses in pregnancy compared with postpartum suggest that pregnancy-associated immunologic changes may influence LTBI test performance.
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