Calibration and Application of a Simple Sensitive/Less Sensitive Assay Applicable to Resource-Limited Countries for Determination of Recent HIV Infection and Incidence Estimates

Post Date: 
2007-03-22
   |   
Countries: 
This study was terminated March 31, 2007. Sensitive/Less Sensitive assays (S/LS) to distinguish between recent and established HIV infections have been successfully applied to identify recently infected persons and determine HIV incidence. However, all currently used S/LS assays require laboratory...

BWI CTU: Baltimore-Washington-India Clinical Trials Unit

Post Date: 
2007-02-02
   |   
Countries: 
   |   
Clinical Sites: 
Comprising clinical trial sites at Johns Hopkins Medicine in Baltimore, Whitman Walker Health in Washington, DC, and the BJGMC-CCGHE collaboration in Pune, India, the Baltimore-Washington-India Clinical Trials Unit (BWI-CTU) is one of only 25 international HIV/TB clinical trial sites funded by the...

BJGMC-JHU Fogarty HIV-TB Training Program

Post Date: 
2007-01-01
   |   
Countries: 
   |   
Clinical Sites: 
Funded by the Fogarty International Center at the National Institutes of Health, the JHU Fogarty program has nearly 20 years of success with providing training, professional development, and mentorship to clinicians and scientists in low and middle income countries. CCGHE's latest efforts in this...

Pages

Next-generation sequencing in neuropathologic diagnosis of infections of the nervous system

Post Date: 
2016-06-13
Publication: 
Neurology, Neuroimmunology and Neuroinflammation
OBJECTIVE: To determine the feasibility of next-generation sequencing (NGS) microbiome approaches in the diagnosis of infectious disorders in brain or spinal cord biopsies in patients with suspected CNS infections. METHODS: In a prospective pilot study, we applied NGS in combination with a new...

Public health clinic-based hepatitis C testing and linkage to care in Baltimore

Post Date: 
2016-05-15
   |   
Countries: 
Publication: 
Journal of Viral Hepatitis
Testing and linkage to care are important determinants of hepatitis C virus (HCV) treatment effectiveness. Public health clinics serve populations at high risk of HCV. We investigated their potential to serve as sites for HCV testing, initiation of and linkage to HCV care. Cross-sectional study of...

Infectious Diseases (ID) Learning Unit: How rapidly to evaluate for active tuberculosis disease in low-prevalence settings

Post Date: 
2016-03-11
   |   
Countries: 
Publication: 
Open Forum Infectious Diseases
With declining tuberculosis (TB) incidence in low-prevalence settings, many clinicians are likely unaware that the approach to diagnosing active TB is evolving with newer technologies. Rapid molecular assays are commercially available, and more are likely to enter the market in the coming years...

The epidemiologic and economic impact of improving HIV testing, linkage, and retention in care in the United States

Post Date: 
2016-01-15
   |   
Countries: 
Publication: 
Clinical Infectious Diseases
Background : Recent guidelines advocate early antiretroviral therapy (ART) to decrease human immunodeficiency virus (HIV) morbidity and prevent transmission, but suboptimal engagement in care may compromise impact. We sought to determine the economic and epidemiologic impact of incomplete...

Senior center-based hepatitis C screening in Baltimore

Post Date: 
2016-01-06
   |   
Countries: 
Publication: 
Open Forum Infectious Diseases
Abstract Despite significant advancements in hepatitis C virus (HCV) treatments, the majority of individuals infected with HCV remain undiagnosed. We report on senior citizen center-based HCV testing in Baltimore, which revealed a 9.4% prevalence of infection. Our data suggest that community-based...

Post-arrival tuberculosis screening at a local health department of high-risk immigrants

Post Date: 
2015-07-15
   |   
Countries: 
Publication: 
American Journal of Public Health
Objectives : We sought to characterize postimmigration tuberculosis (TB) care for Class B immigrants and refugees at the Baltimore City Health Department TB program (BCHD), and to determine the proportion of immigrants with active TB or latent TB infection (LTBI) in this high-risk population...

Policy Guidance: The Use of Lateral-Flow Urine LAM for Diagnosis and Screening of Active TB in People Living with HIV

Post Date: 
2015-06-30
Publication: 
WHO: The Use of Lateral-Flow Urine LAM for Diagnosis and Screening of Active TB in People Living with HIV
Background : Tests based on the detection of mycobacterial lipoarabinomannan (LAM) antigen in urine have emerged as potential point-of-care tests for tuberculosis (TB). LAM antigen is a lipopolysaccharide present in mycobacterial cell walls, which is released from metabolically active or...

Predictors and outcomes of mycobacteremia among HIV-infected smear- negative presumptive tuberculosis patients in Uganda

Post Date: 
2015-02-15
   |   
Countries: 
Publication: 
BMC Infectious Diseases
Background : Sputum smear microscopy for tuberculosis (TB) diagnosis lacks sensitivity in HIV-infected symptomatic patients and increases the likelihood that mycobacterial infections particularly disseminated TB will be missed; delays in diagnosis can be fatal. Given the duration for MTB growth in...

Implementing a large scale systematic tuberculosis screening program in correctional facilities in South Africa

Post Date: 
2015-01-08
   |   
Countries: 
Publication: 
Open Forum Infectious Diseases
Background : Tuberculosis (TB) prevalence is high in correctional facilities in southern Africa. With support from local South African nongovernmental organizations, the South African Department of Correctional Services initiated a program of systematically screening newly admitted and current...

High proportion of indeterminate QuantiFERON-TB Gold In-Tube results in an inpatient population are related to host factors and pre-analytical steps

Post Date: 
2014-09-19
   |   
Countries: 
Publication: 
Open Forum Infectious Diseases
Background: QuantiFERON-TB Gold In-Tube test (QFT-GIT) can be used as an alternative to tuberculin skin testing (TST) for the targeted testing of latent tuberculosis. Due to many shortcomings with TST, QFT-GIT usage is increasing. QFT-GIT implementation in the inpatient setting remains unclear...

Economic challenges associated with tuberculosis diagnostic development

Post Date: 
2014-08-15
Publication: 
Expert Review of Pharmacoeconomics and Outcomes Research
Tuberculosis remains a global health crisis in part due to underdiagnosis. Technological innovations are needed to improve diagnostic test accuracy and reduce the reliance on expensive laboratory infrastructure. However, there are significant economic challenges impeding the development and...

Editorial commentary: Xpert MTB/RIF testing for individuals with presumed tuberculosis: implications for infection control and rapid tuberculosis detection in the United States.

Post Date: 
2014-08-04
   |   
Countries: 
Publication: 
Clinical Infectious Diseases
Despite recent declines in incidence, tuberculosis remains a significant public health problem in the United States, with almost 10 000 new cases each year. As the disease becomes less common in the United States, diagnostic delays occur because of diverse clinical presentations and suboptimal...

Diagnostic accuracy of a rapid urine lipoarabinomannan test for tuberculosis in HIV-infected adults

Post Date: 
2014-07-01
   |   
Countries: 
Publication: 
Journal of Acquired Immune Deficiency Syndromes
Objective : In settings of high HIV prevalence, tuberculosis control and patient management are hindered by lack of accurate, rapid tuberculosis diagnostic tests that can be performed at point-of-care. The Determine TB LAM Ag (TB LAM) test is a lateral flow immunochromatographic test for detection...

Cost-effectiveness of rapid susceptibility testing against second line drugs for tuberculosis

Post Date: 
2014-06-15
Publication: 
International Journal of Tuberculosis and Lung Disease
Background : Drug susceptibility testing (DST) against second-line tuberculosis drugs (SLDs) is essential for improving outcomes among multidrug-resistant (MDR-) and extensively drug-resistant tuberculosis (XDR-TB) cases. Objective : To evaluate the potential cost-effectiveness of rapid DST for...

Comparative performance of urinary lipoarabinomannan assays and Xpert MTB/RIF in HIV-infected individuals

Post Date: 
2014-06-01
   |   
Countries: 
Publication: 
AIDS
Background : Xpert MTB/RIF ('Xpert') and urinary lipoarabinomannan (LAM) assays offer rapid tuberculosis (TB) diagnosis, but have suboptimal sensitivity when used individually in HIV-positive patients. The yield of these tests used in combination for the diagnosis of active TB among HIV-infected TB...

Gender-related barriers and delays in accessing tuberculosis diagnostic and treatment services - Part 2: a systematic review of qualitative studies

Post Date: 
2014-05-11
Publication: 
Tuberculosis Research and Treatment
Background: Tuberculosis (TB) remains a significant global public health problem with known gender-related (male versus female) disparities. We reviewed the qualitative evidence (written/spoken narrative) for gender-related differences limiting TB service access from symptom onset to treatment...

Biomarkers for sepsis: a review with special attention to India

Post Date: 
2014-03-19
   |   
Countries: 
Publication: 
BioMed Research International
Sepsis is a serious infection and still a common cause of morbidity and mortality in resource-limited settings such as India. Even when microbiologic diagnostics are available, bacteremia is only identified in a proportion of patients who present with sepsis and bloodstream infections...

Improving diagnostic capability for HPV disease internationally within the NIH-NIAID-Division of AIDS Clinical Trial Networks

Post Date: 
2013-12-15
   |   
Countries: 
   |   
Clinical Sites: 
Publication: 
American Journal of Clinical Pathology
OBJECTIVES: To evaluate an external quality assurance (EQA) program for the laboratory diagnosis of human papillomavirus (HPV) disease that was established to improve international research capability within the Division of AIDS at the National Institute of Allergy and Infectious Disease-supported...

Cost-effectiveness of novel algorithms for rapid diagnosis of tuberculosis in HIV-infected individuals in Uganda

Post Date: 
2013-11-28
   |   
Countries: 
Publication: 
AIDS
Objective : Xpert MTB/RIF ('Xpert') and urinary lateral-flow lipoarabinomannan (LF-LAM) assays offer rapid tuberculosis (TB) diagnosis. This study evaluated the cost-effectiveness of novel diagnostic algorithms utilizing combinations of Xpert and LF-LAM for the detection of active TB among people...

Pediatric tuberculosis in young children in India: a prospective study

Post Date: 
2013-11-11
   |   
Countries: 
   |   
Clinical Sites: 
Publication: 
BioMed Research International
Background: India has one of the highest tuberculosis (TB) burdens globally. However, few studies have focused on TB in young children, a vulnerable population, where lack of early diagnosis results in poor outcomes. Methods: Young children (≤ 5 years) with suspected TB were prospectively enrolled...

Pages