Tuberculosis

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Rationale: A vaccine that prevents infection with Mycobacterium tuberculosis (Mtb) (POI vaccine) is an ideal approach to TB control. As Mtb infection (MTBI) is measured indirectly (positive tuberculin skin test (TST) or interferon gamma release assay (IGRA), prevention of IGRA conversion is the...

A Nanopore Biosensor for Leveling MTB Antigens in Blood

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2021-04-01

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Purpose of the study: The inability to obtain diagnostically useful sputum specimens, or the inability to analyze non-sputum specimens, is a significant contributor to poor diagnostic sensitivity of current TB assays, leading to the WHO to call for the development of non-sputum-based biomarker or...

Impact of Tuberculosis Infection on HIV-1 Antibody Response (NWCS501)

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2020-12-05

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Study Objective: Compare longitudinal HIV-1 antibody responses among HIV-1 infected participants that either did or did not develop active TB enrolled in ACTG 5274 and ACTG 5279 Study Design: Longitudinal antibody responses will be examined among select participants in A5274 who have plasma samples...

Pharmacokinetic Assessment of MDR-TB Drugs in the Treatment of TB Meningitis

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2020-08-23

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Rationale: MDR-TBM is a devastating disease with high mortality and severe neurologic sequelae among survivors. We recognize the importance of sufficient drug concentrations at the site of infection for efficacy of anti-TB drugs and believe it is likely that drug distribution into brain and CSF...

Identification of Biomarkers That Can Predict Progression from Latent Tuberculosis Infection to Active Tuberculosis Disease

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2020-08-23

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Purpose: The C-TRIUMPH study has identified 20 household contacts (HHC), who have progressed to active TB from its HHCs cohort (Cohort B). Immunological profiling of TB antigen induced biosignatures, profiling of transcriptional and proteomic biosignatures should provide novel insights into the...

Tuberculosis (TB) Aftermath

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2020-06-05

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DY Patil

Drs. Vidya Mave and Jonathan Golub are co-PIs and Dr. Barthwal from DY Patil Medical College is local site PI for this study. TB Aftermath seeks to provide evidence for an effective and scalable strategy targeting HHs of treated TB cases, a high priority of the NTEP. Purpose To compare the...

Hybrid Trial for Alcohol Reduction among People with TB and HIV in India

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2020-02-12

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DY Patil

Dr. Geetanjali Chander is PI and Dr. Kakrani is local site PI at DY Patil Medical College for this study. The highest incidence of tuberculosis disease (TB) in the world is in India, accounting for 27% of all new cases globally, with approximately 86,000 among persons with HIV (PWH). Unhealthy...

Pregnancy Associated Immune Responses to Tuberculosis and HIV in India and South Africa (PARTHISA)

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2020-01-14

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South Africa

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Dr. Jyoti Mathad is Co-PI of this study. Purpose: Tuberculosis (TB) is a leading cause of maternal mortality, especially among HIV-infected women. Women are most likely to develop active TB during and immediately after pregnancy. The immunologic conditions responsible for this phenomenon are not...

Increasing Market and Public Health Outcomes Through Scaling Up Affordable Access Models of Short Course Preventive Therapy for TB (IMPAACT4TB)

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2019-12-17

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Primary Objective: This study is being conducted in Brazil, Cambodia, China, Ethiopia, Ghana, Haiti, India, Indonesia, Kenya, Malawi, Mozambique, South Africa, Tanzania, and Zimbabwe. The overall goal is to reduce TB incidence among (1) people living with HIV who are on antiretroviral therapy, and...

Markers of Lung Impairment in HIV-TB Coinfected Indian Adults

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2019-12-11

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Objectives/Aims We will compare the degree of lung impairment between HIV-TB co-infected adults (HIV-TB group) and TB cases without HIV co-infection (TB group) who successfully complete TB therapy. We hypothesize that the HIV-TB group will have a greater degree of lung impairment compared to the TB...

T Cell Biomarkers and T-regulatory Responses to Pediatric TB

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2019-11-21

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The goals of this study are to: Validate host T cell biomarkers for diagnosis of pediatric TB Investigate the phenotype and functions of T-regulatory cells in pediatric TB We will use cryopreserved PBMC samples from CTRIUMPH cohorts: Pediatric unconfirmed TB, confirmed TB, latest Tb, and no TB...

Inflammasome Genetics and Tuberculosis Treatment Outcomes

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2019-11-07

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Dr. Amita Gupta is a Co-PI on this study. STUDY DESIGN We will conduct a retrospective case-cohort study nested within the CTRIUMPH and EDOTS cohorts to address our study objectives. This will enable us to measure the association of polymorphisms with multiple clinical outcomes simultaneously and...

Evaluation of a Urinary Biomarker Assay for Diagnosis and Test of Cure for Tuberculosis

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2019-09-09

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Dr. Jeff Tornheim is PI of this study. METHODS This study will make use of biorepository samples from the Cohort for TB Research by the Indo-US Medical Partnership (CTRIUMPh). CTRIUMPh, funded by the US NIH and Indian Department of Biotechnology, is an academic collaboration between Johns Hopkins...

A5300B/I2003B: Protecting Households On Exposure to Newly Diagnosed Index Multidrug-Resistant Tuberculosis Patients (PHOENIx)

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2019-08-19

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Dr. Amita Gupta is Protocol Co-chair for this multinational clinical trial. BACKGROUND The World Health Organization (WHO) estimates that there were 480,000 incident cases of MDR-TB globally in 2015. MDR-TB has been shown to be almost twice as common in TB patients living with HIV compared with TB...

A5300B/I2003B: Protecting Households On Exposure to Newly Diagnosed Index Multidrug-Resistant Tuberculosis Patients (PHOENIx)

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2019-08-19

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Management of Multidrug-resistant Tuberculosis among ART Programs in Low- and Middle-income Countries within the Global IeDEA Network

Post Date:

2019-07-22

Purpose The purpose of the IeDEA MDR-TB survey is to study the clinical management of HIV patients co-infected with MDR-TB or XDR-TB from the perspective of healthcare workers in ART programs participating in the IeDEA global cohort consortium. Specifically, we aim: to describe diagnostic, referral...

Immune Correlates of LTBI in HIV-exposed Infants

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2019-04-29

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About 2 billion people worldwide harbor asymptomatic latent TB infection (LTBI), activation of which results in progression to TB disease. In areas of high tuberculosis (TB) prevalence, infants and young children have a 3-fold higher risk of progression and death from TB at age < 5 years...

Prevalence of Tuberculosis in Severely Malnourished Indian Children

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2018-12-18

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This study is funded and conducted under the U.S. National Institutes of Health, Fogarty International Center. PIs are Robert Bollinger, MD, MPH; Dr. Muralidhar Tambe, BJGMC Severely malnourished children are vulnerable population for communicable and non-communicable disease. Diagnosis of TB among...

Real-world implementation of video-observed therapy in an urban TB program in the United States

Post Date:

2021-08-02

Publication:

Int J Tuberc Lung Dis

Video directly observed therapy (vDOT) was introduced to increase flexibility and meet patient-specific needs for TB treatment.

Utility of the interferon-gamma release assay for latent tuberculosis infection screening among indian health-care workers

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2021-07-13

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Indian Journal of Community Medicine

Background: The utility of interferon-gamma release assays (IGRAs) for latent tuberculosis infection (LTBI) screening among health-care workers (HCWs) in low- and middle-income countries (LMICs) remains unclear. Methods: This was a prospective cohort study among HCW trainees undergoing annual LTBI...

Pilot Project to Assess the Potential Cost-Benefit of a Bronchoscopy Program for the Diagnosis of TB in Uganda

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2021-07-13

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Uganda

We conducted training and program implementation at a tertiary care hospital in Kampala, Uganda, in October of 2019. Project funding was obtained from the CHEST Foundation and the Association of Interventional Pulmonology Program Directors. In addition, some equipment ( Table 1 ) was donated by...

Targeted next generation sequencing directly from sputum for comprehensive genetic information on drug resistant Mycobacterium tuberculosis

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2021-07-13

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Tuberculosis

Background: Timely drug resistance detection is essential to global tuberculosis management. Unfortunately, rapid molecular tests assess resistance to only a few drugs, with culture required for comprehensive susceptibility test results. Methods: We evaluated targeted next generation sequencing (...

Unhealthy alcohol use independently associated with unfavorable TB treatment outcomes among Indian men

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2021-03-10

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International Journal of Tuberculosis and Lung Disease

This study by Samyra Cox and colleagues highlights the need for integrating effective alcohol interventions into TB care.

Systemic Inflammation in Pregnant Women With Latent Tuberculosis Infection

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2021-01-27

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Frontiers in Immunology

Background: Recent studies in adults have characterized differences in systemic inflammation between adults with and without latent tuberculosis infection (LTBI+ vs. LTBI-). Potential differences in systemic inflammation by LTBI status has not been assess in pregnant women. Methods: We conducted a...

Higher interleukin-6 levels and changes in transforming growth factor-β are associated with lung impairment in pulmonary tuberculosis

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2021-01-18

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ERJ Open Resource

Higher levels of IL-6 and slow-to-resolve TGF-β are associated with lung impairment in treated tuberculosis. These results have important implications for clinical trials of immunomodulatory therapies to prevent tuberculosis-associated lung disease. http://openres.ersjournals.com/lookup/doi/...

Detection of genital tuberculosis among women with infertility using best clinical practices in India: An implementation study

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2021-01-15

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Indian Journal of Tuberculosis

Background Diagnosis of genital tuberculosis (TB) as a cause of infertility still remains a diagnostic dilemma for clinicians, as no standard guidelines exist. The recently proposed best practices for genital TB diagnosis have not been evaluated yet in India. Objectives To implement best practices...

Higher IL-6 Levels and Changes in TGF-β are Associated with Lung Impairment in Pulmonary Tuberculosis

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2021-01-08

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ERJ

Pulmonary tuberculosis (PTB) is associated with granuloma formation, necrosis and cavitation in lung tissue. Lung injury in PTB can persist despite microbiological cure and is associated with chronic obstructive pulmonary disease (COPD) independent of smoking exposure[1]. Furthermore, pulmonary...

Measuring TB drug levels in the hair in adults and children to monitor drug exposure and outcomes

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2021-01-01

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International Journal of Tuberculosis and Lung Disease

INTRODUCTION: Testing for anti-TB drugs in small hair samples may serve as a non-invasive tool to measure cumulative drug exposure and/or adherence, as these determine treatment success. We aimed to assess how well hair assays of TB drugs predict TB treatment outcomes.METHODS: A small thatch of...

Nevirapine pharmacokinetics in HIV-infected persons receiving rifapentine and isoniazid for TB prevention

Post Date:

2020-11-26

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United States

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The Journal of Antimicrobial Chemotherapy

Background: The use of rifamycin antibiotics for TB prevention carries a risk of detrimental drug-drug interactions with concomitantly used ART. Objectives: To evaluate the interaction of the antiretroviral drug nevirapine in combination with 4 weeks of daily rifapentine and isoniazid for TB...

Integration of metabolomics and transcriptomics reveals novel biomarkers in the blood for tuberculosis diagnosis in children

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2020-11-11

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Scientific Reports

Pediatric tuberculosis (TB) remains a major global health problem. Improved pediatric diagnostics using readily available biosources are urgently needed. We used liquid chromatography-mass spectrometry to analyze plasma metabolite profiles of Indian children with active TB (n = 16) and age- and sex...

Xpert MTB/RIF Ultra for the Diagnosis of Tuberculous Meningitis: A Small Step Forward

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2020-11-05

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Clinical Infectious Diseases

The delayed diagnosis of tuberculous meningitis (TBM) leads to poor outcomes, yet the current diagnostic methods for identifying Mycobacterium tuberculosis in cerebrospinal fluid (CSF) are inadequate. The first comparative study of the new GeneXpert MTB/RIF Ultra (Xpert Ultra) for TBM diagnosis...

Using a composite maternal-infant outcome measure in tuberculosis prevention studies among pregnant women

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2020-11-04

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Clinical Infectious Diseases

Background: Tuberculosis (TB) preventive therapy (TPT) among pregnant women reduces the risk of TB in mothers and infants, but the timing of initiation should consider potential adverse effects. We propose an analytical approach to evaluate the risk-benefit of interventions. Methods: A novel...

Assessment of persistent depression among TB patients

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2020-11-01

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International Journal of Tuberculosis and Lung Disease

(No abstract available)

The Impact of Hypertension and Use of Calcium Channel Blockers on Tuberculosis Treatment Outcomes

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2020-09-24

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Clinical Infectious Diseases

Background: Hypertension induces systemic inflammation, but its impact on the outcome of infectious diseases like tuberculosis (TB) is unknown. Calcium channel blockers (CCB) improve TB treatment outcomes in pre-clinical models, but their effect in patients with TB remain unclear. Methods: This...

Pharmacokinetics and drug-drug interactions of isoniazid and efavirenz in pregnant women living with HIV in high TB incidence settings: importance of genotyping

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2020-09-09

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United States

Publication:

Clinical Pharmacology and Therapeutics

World Health Organization guidelines recommend that individuals living with HIV receive ≥6 months of isoniazid preventive therapy, including pregnant women.

The effect of TB treatment on health-related quality of life for people with advanced HIV

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2020-09-01

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International Journal of Tuberculosis and Lung Disease

BACKGROUND: Study A5274 was an open-label trial of people with HIV (PLHIV) with CD4 cell count <50 cells/µL who were randomized to empirical TB treatment vs. isoniazid preventive therapy (IPT) in addition to antiretroviral therapy (ART). We evaluated health-related quality of life (HRQoL) by...

Tuberculosis preventive treatment should be considered for all household contacts of pulmonary tuberculosis patients in India

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2020-07-29

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PLoS One

PLoS One: Dr. Mandar Paradkar and colleagues conducted a CTRIUMPH study that supports TB preventive therapy for all household contacts of pulmonary TB patients in India

Effects of Pregnancy and Isoniazid Preventive Therapy on M. tuberculosis Interferon Gamma Response Assays in Women with HIV

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2020-07-28

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United States

Publication:

Clinical Infectious Diseases

944 women with HIV participating in a randomized, double-blind, placebo-controlled study comparing 28 weeks of IPT antepartum versus postpartum, were tested by QuantiFERON-gold-in-tube (QGIT) antepartum and by QGIT and tuberculin skin test (TST) at delivery and postpartum.

Screening for Tuberculosis (TB) in pregnant and non-pregnant women of reproductive age: Findings from an observational study in Pune, India

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2020-10-20

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Alexander M, Bhosale R, Naik S, Kulkarni V, Mave V, Suryavanshi N, Gupte N, Gupta A, Mathad J. Screening for Tuberculosis (TB) in pregnant and non-pregnant women of reproductive age: Findings from an observational study in Pune, India. Poster Presentation. 51st Union World Conference on Lung Health...

An RNA signature for TB risk in pregnant women: A prospective cohort study from India

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2020-10-20

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Mathad J, Bhosale R, Barreto-Duarte B, Alexander M, Kulkarni V, Nathella PK, Andrade B, Gupta A. Polyfunctional T-cells and IL-2 production decrease in pregnant women with latent TB. TB Science 2020. Virtual. October 20, 2020.

Systemic inflammation in pregnant women with and without latent tuberculosis infection

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2020-10-20

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Naik S, Alexander M, Kumar P, Kulkarni V, Yadana S, Bhosale R, Babu S, Gupta A, Mathad J and Shivakoti R. Systemic inflammation in pregnant women with and without latent tuberculosis infection. Poster Presentation. 51st Union World Conference on Lung Health. Virtual Conference. October 20-24, 2020.

Self-clearance of Mtb infection: needs and consequences

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2020-10-20

Gupta A. Self-clearance of Mtb infection: needs and consequences. Symposium Moderator. 51st Union World Conference on Lung Health. Virtual Conference. October 20-24, 2020.

Polyfunctional T-cells and IL-2 production decrease in pregnant women with latent TB

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2020-10-20

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Comparison of neurocognitive assessment in children with TB Meningitis and healthy controls in Pune, India

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2020-10-20

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Nimkar S, Joshi S, Kinikar A, Valvi C, Gupte N, Thakur KT, Suryavanshi N, Mave V, Dooley KE, Arenivas A. Comparison of neurocognitive assessment in children with TB Meningitis and healthy controls in Pune, India. Poster Presentation. 51st Union World Conference on Lung Health. Virtual Conference...

Blood-based biomarkers of tuberculosis in children integrating metabolomic and transcriptomic data

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2020-10-20

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Tornheim JA, Paradkar M, Fukutani KF, Kinikar A, Mave V, Andrade BB, Gupta A, Karakousis PC. Blood-based biomarkers of tuberculosis in children integrating metabolomic and transcriptomic data. TB Science 2020. Virtual. October 20, 2020.

Risk Factors for Hepatotoxicity in HIV-infected Women Receiving Isoniazid preventive Therapy in Pregnancy and Postpartum

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2020-07-08

Gupta A, Aaron L, Theron G, McCarthy K, Bradford S, Chipato T,

Prevalence and Incidence of Tuberculosis Infection and Disease Among Household Contacts Exposed to Rifampin-resistant/Multidrug resistant Tuberculosis (RR/MDR-TB)

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2020-07-08

Gupta A, Wu X, Kim S, Naini L, Hughes M, Dawson R, Gaikwad S, Sanchez J, Mendoza A, Smith B, Shah S, Hesseling A, Churchyard G, Swindells S for the ACTG/IMPAACT PHOENIx feasibility study team. Prevalence and Incidence of Tuberculosis Infection and Disease Among Household Contacts Exposed to...

Rifapentine pharmacokinetics and safety in pregnant women with and without HIV on 3HP

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2020-03-11

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Mathad JS , Savic RM, Britto P, Wiesner L, Townley E, Chakhtoura N, Bradford S, Patil S, Vhembo T, Lespinasse D, Langat D, Werarak P, Kamthunzi P, Gupta A, Dooley KE. Rifapentine pharmacokinetics and safety in pregnant women with and without HIV on 3HP. Presented at: CROI 2020. Boston, MA; March 8-...

Early bactericidal activity of meropenem (+ Amox/Clav) with and without rifampin for TB

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2020-03-10

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De Jager V, Abufathi AA, Feyt H, Gupte N, Vanker N, Barnes G, van Brakel E, Nuermberger E, Dorman SE, Svensson EM, Diacon AH, Dooley KE. Early bactericidal activity of meropenem (+ Amox/Clav) with and without rifampin for TB. Presented at: CROI 2020. Boston, Massachusetts. March 8-11, 2020.

Effect of rifamycins on pretomanid exposure in patients with pulmonary TB

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2020-03-10

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Abdelwahab MT , Ignatius E, Denti P, Dooley KE, Gupte N, Dawson R, Barnes G, Narunsky K, Hendricks B. Effect of rifamycins on pretomanid exposure in patients with pulmonary TB. (ID 3688). Presented at: CROI 2020. Boston, Massachusetts. March 8-11, 2020.

Geographic and Individual Risk Factors for TB or Death in the Brief-TB Trial (A5279)

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2020-03-09

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Riviere C , Juste MAJ, Ramchandani R, Gupta A, Benson CA, Masheto G, Supparatpinyo K, Mohapi L, da Silva Escada RO, Mngqibisa R, Kanyama C, Langat D, Swindells S, Chaisson RE, for the A5279/BRIEF TB Study Team. Geographic and Individual Risk Factors for TB or Death in the Brief-TB Trial (A5279)...

Adjusted analysis of effect of IPT on adverse pregnancy outcomes in women with HIV

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2020-03-09

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Theron G , Chakhtoura N, Montepiedra G, Aaron L, Jean-Phillipe P, Weinberg A, McCarthy K, Nematadzira T, Masheto G, Chipato T, Onyango-Makumbi C, Gupta A, the IMPAACTP1078 Team. Adjusted analysis of effect of IPT on adverse pregnancy outcomes in women with HIV. Presented at: CROI 2020. Boston,...

Tuberculosis preventive therapy should be considered for all household contacts of pulmonary TB patients in India

Post Date:

2020-02-07

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Paradkar M, Chandrasekara P, Jain D, Shivakumar SVBY, Thiruvengadan K, Gupte AN, Thomas B, Kinikar A, Sekar K, Bharadwaj R, Dolla CK, Gaikwad S, Elilarasi S, Lokhande R, Reddy D, Murali L, Kulkarni V, Pradhan N, Hanna LE, Pattabiraman S, Kohli R, Nayagam R, Suryavanshi N, Shrinivasa BM, Cox SR,...

Female tuberculosis (TB) patients with stigma are at increased risk of persistent depression: time to integrate mental health screening into TB care

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2019-11-20

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Suryavanshi N . Female tuberculosis (TB) patients with stigma are at increased risk of persistent depression: time to integrate mental health screening into TB care. Poster presentation. 50th Union World Conference on Lung Health. Hyderabad, India. October 30-November 2, 2019.

Confronting the crisis: emerging research in maternal-child TB

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2019-11-02

Mathad J . Symposium Chair. Confronting the crisis: emerging research in maternal-child TB. 50th Union World Conference on Lung Health. Hyderabad, India. October 30-November 2, 2019.

The crisis in maternal TB: a case-based discussion of research gaps

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2019-11-02

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Naik SN . The crisis in maternal TB: a case-based discussion of research gaps. Speaker. Confronting the crisis: emerging research in maternal-child TB Symposium. 50th Union World Conference on Lung Health. Hyderabad, India. October 30-November 2, 2019.

Is there a connection between gestational diabetes and TB?

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2019-11-02

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Alexander M . Is there a connection between gestational diabetes and TB? Speaker. Confronting the crisis: emerging research in maternal-child TB Symposium.50th Union World Conference on Lung Health. Hyderabad, India. October 30-November 2, 2019.

Increased moxifloxacin dosing among MDR-TB patients with low-level resistance to moxifloxacin did not improve treatment outcomes in a tertiary care centre in Mumbai, India

Post Date:

2019-11-02

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