John Z Metcalfe

Summary

Affiliation: University of California
Country: USA

Publications

  1. pmc Microscopic-observation drug-susceptibility assay for the diagnosis of drug-resistant tuberculosis in Harare, Zimbabwe
    Beauty Makamure
    Biomedical Research and Training Institute, Harare, Zimbabwe
    PLoS ONE 8:e55872. 2013
  2. pmc Test variability of the QuantiFERON-TB gold in-tube assay in clinical practice
    John Z Metcalfe
    University of California, San Francisco, Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, 1001 Potrero Avenue, Room 5K1, San Francisco, CA 94110 0111, USA
    Am J Respir Crit Care Med 187:206-11. 2013
  3. pmc Evaluation of quantitative IFN-gamma response for risk stratification of active tuberculosis suspects
    John Z Metcalfe
    San Francisco General Hospital, University of California, 94110 0111, USA
    Am J Respir Crit Care Med 181:87-93. 2010
  4. pmc Determinants of multidrug-resistant tuberculosis clusters, California, USA, 2004-2007
    John Z Metcalfe
    University of California, San Francisco, California, USA
    Emerg Infect Dis 16:1403-9. 2010
  5. ncbi request reprint Rifampin monoresistant tuberculosis and HIV comorbidity in California, 1993-2008: a retrospective cohort study
    LISA M PRACH
    aCenter for AIDS Prevention Studies CAPS, University of California, San Francisco bTuberculosis Control Branch, Division of Communicable Disease Control, Center for Infectious Diseases, California Department of Public Health, Richmond cF I Proctor Foundation, University of California, San Francisco dCurry International Tuberculosis Center, Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, University of California, San Francisco, California, USA
    AIDS 27:2615-22. 2013
  6. pmc Interferon-γ release assays for active pulmonary tuberculosis diagnosis in adults in low- and middle-income countries: systematic review and meta-analysis
    John Z Metcalfe
    Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, San Francisco, CA, USA
    J Infect Dis 204:S1120-9. 2011
  7. pmc Clinical characteristics and treatment outcomes of patients with isoniazid-monoresistant tuberculosis
    Adithya Cattamanchi
    Division of Pulmonary and Critical Care Medicine, University of California San Francisco, San Francisco GeneralHospital, 1001 Potrero Ave, San Francisco, CA 94110, USA
    Clin Infect Dis 48:179-85. 2009
  8. doi request reprint Genotyping of Mycobacterium tuberculosis: application in epidemiologic studies
    Midori Kato-Maeda
    University of California, San Francisco, Francis J Curry National Tuberculosis Center, Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, 1001 Potrero Avenue, Building 100, Room 109, Mail Box 0841, San Francisco, CA 94110 0111, USA
    Future Microbiol 6:203-16. 2011
  9. pmc A transcriptional signature for active TB: have we found the needle in the haystack?
    Adithya Cattamanchi
    Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, University of California San Francisco, San Francisco, California, United States of America Curry International Tuberculosis Center, San Francisco General Hospital, University of California San Francisco, San Francisco, California, United States of America
    PLoS Med 10:e1001539. 2013
  10. pmc Interferon-gamma release assays for the diagnosis of latent tuberculosis infection in HIV-infected individuals: a systematic review and meta-analysis
    Adithya Cattamanchi
    Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, University of California, San Francisco, CA, USA
    J Acquir Immune Defic Syndr 56:230-8. 2011

Detail Information

Publications16

  1. pmc Microscopic-observation drug-susceptibility assay for the diagnosis of drug-resistant tuberculosis in Harare, Zimbabwe
    Beauty Makamure
    Biomedical Research and Training Institute, Harare, Zimbabwe
    PLoS ONE 8:e55872. 2013
    ..Limited data exist on use of the microscopic-observation drug-susceptibility (MODS) assay among persons suspected of MDR-TB living in high HIV-prevalence settings...
  2. pmc Test variability of the QuantiFERON-TB gold in-tube assay in clinical practice
    John Z Metcalfe
    University of California, San Francisco, Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, 1001 Potrero Avenue, Room 5K1, San Francisco, CA 94110 0111, USA
    Am J Respir Crit Care Med 187:206-11. 2013
    ..Although IFN-γ release assays (IGRAs) are widely used to screen for Mycobacterium tuberculosis infection in high-income countries, published data on repeatability are limited...
  3. pmc Evaluation of quantitative IFN-gamma response for risk stratification of active tuberculosis suspects
    John Z Metcalfe
    San Francisco General Hospital, University of California, 94110 0111, USA
    Am J Respir Crit Care Med 181:87-93. 2010
    ..Objectives: To determine whether the addition of quantitative IGRA results to a prediction model incorporating clinical criteria improves risk stratification of smear-negative-tuberculosis suspects...
  4. pmc Determinants of multidrug-resistant tuberculosis clusters, California, USA, 2004-2007
    John Z Metcalfe
    University of California, San Francisco, California, USA
    Emerg Infect Dis 16:1403-9. 2010
    ..In multivariate analysis, the katG S315T mutation (odds ratio 11.2, 95% confidence interval 2.2-Yen; p = 0.004), but not strain lineage, was independently associated with case clustering...
  5. ncbi request reprint Rifampin monoresistant tuberculosis and HIV comorbidity in California, 1993-2008: a retrospective cohort study
    LISA M PRACH
    aCenter for AIDS Prevention Studies CAPS, University of California, San Francisco bTuberculosis Control Branch, Division of Communicable Disease Control, Center for Infectious Diseases, California Department of Public Health, Richmond cF I Proctor Foundation, University of California, San Francisco dCurry International Tuberculosis Center, Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, University of California, San Francisco, California, USA
    AIDS 27:2615-22. 2013
    ..Rifampin monoresistant tuberculosis (RMR-TB) is increasingly identified because of scale-up of rapid molecular tests. The longitudinal association of RMR-TB, multidrug-resistant TB (MDR-TB), and HIV/AIDS is incompletely described...
  6. pmc Interferon-γ release assays for active pulmonary tuberculosis diagnosis in adults in low- and middle-income countries: systematic review and meta-analysis
    John Z Metcalfe
    Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, San Francisco, CA, USA
    J Infect Dis 204:S1120-9. 2011
    ..The diagnostic value of interferon-γ release assays (IGRAs) for active tuberculosis in low- and middle-income countries is unclear...
  7. pmc Clinical characteristics and treatment outcomes of patients with isoniazid-monoresistant tuberculosis
    Adithya Cattamanchi
    Division of Pulmonary and Critical Care Medicine, University of California San Francisco, San Francisco GeneralHospital, 1001 Potrero Ave, San Francisco, CA 94110, USA
    Clin Infect Dis 48:179-85. 2009
    ..Risk factors and treatment outcomes under program conditions for isoniazid (INH)-monoresistant tuberculosis have not been well described...
  8. doi request reprint Genotyping of Mycobacterium tuberculosis: application in epidemiologic studies
    Midori Kato-Maeda
    University of California, San Francisco, Francis J Curry National Tuberculosis Center, Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, 1001 Potrero Avenue, Building 100, Room 109, Mail Box 0841, San Francisco, CA 94110 0111, USA
    Future Microbiol 6:203-16. 2011
    ..In this article, we review the genetic markers used in molecular epidemiologic studies including the use of whole-genome sequencing technology. We also review the public health application of molecular epidemiologic tools...
  9. pmc A transcriptional signature for active TB: have we found the needle in the haystack?
    Adithya Cattamanchi
    Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, University of California San Francisco, San Francisco, California, United States of America Curry International Tuberculosis Center, San Francisco General Hospital, University of California San Francisco, San Francisco, California, United States of America
    PLoS Med 10:e1001539. 2013
    ..The authors highlight challenges faced in getting this promising technology into clinics in low-resource settings. Please see later in the article for the Editors' Summary. ..
  10. pmc Interferon-gamma release assays for the diagnosis of latent tuberculosis infection in HIV-infected individuals: a systematic review and meta-analysis
    Adithya Cattamanchi
    Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, University of California, San Francisco, CA, USA
    J Acquir Immune Defic Syndr 56:230-8. 2011
    ..To determine whether interferon-gamma release assays (IGRAs) improve the identification of HIV-infected individuals who could benefit from latent tuberculosis infection therapy...
  11. ncbi request reprint Tuberculosis and HIV co-infection, California, USA, 1993–2008
    John Z Metcalfe
    University of California, San Francisco, CA, USA
    Emerg Infect Dis 19:400-6. 2013
    ..In California, HIV-associated TB has concentrated among persons from low- and middle-income countries who often acquire HIV infection in the peri-immigration period...
  12. pmc Rapid Molecular Testing for TB to Guide Respiratory Isolation in the U.S.: A Cost-Benefit Analysis
    Alexander J Millman
    Department of Medicine, San Francisco General Hospital, University of California San Francisco, San Francisco, California, United States of America PRIME Residency Program, University of California San Francisco, San Francisco, California, United States of America
    PLoS ONE 8:e79669. 2013
    ..No previous studies have examined the costs of molecular testing as a replacement for smear microscopy in this setting...
  13. pmc A causal framework for understanding the effect of losses to follow-up on epidemiologic analyses in clinic-based cohorts: the case of HIV-infected patients on antiretroviral therapy in Africa
    Elvin H Geng
    Division of HIV AIDS and Infectious Diseases, San Francisco General Hospital, Department of Medicine, School of Medicine, University of California, San Francisco, 995 Potrero Avenue, Building 80, Box 0874, San Francisco, CA 94110, USA
    Am J Epidemiol 175:1080-7. 2012
    ..A sampling-based approach can in general strengthen epidemiologic analyses conducted in many clinic-based cohorts, including those examining other diseases...
  14. pmc Clinical and radiographic factors do not accurately diagnose smear-negative tuberculosis in HIV-infected inpatients in Uganda: a cross-sectional study
    J Lucian Davis
    Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, University of California San Francisco, San Francisco, California, United States of America
    PLoS ONE 5:e9859. 2010
    ..Therefore, we sought to assess the accuracy of symptoms, physical signs, and radiographic findings for diagnosing tuberculosis in this population in a low-income country with a high incidence of tuberculosis...