Larry W Chang

Summary

Affiliation: Johns Hopkins University
Country: USA

Publications

  1. pmc Heterogeneity of the HIV epidemic in agrarian, trading, and fishing communities in Rakai, Uganda: an observational epidemiological study
    Larry W Chang
    Division of Infectious Diseases, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA Rakai Health Sciences Program, Entebbe, Uganda Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA Social and Behavioral Interventions Program, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA Electronic address
    Lancet HIV 3:e388-96. 2016
  2. pmc Field evaluation of PIMA point-of-care CD4 testing in Rakai, Uganda
    Ronald M Galiwango
    Rakai Health Sciences Program, Kalisizo, Uganda
    PLoS ONE 9:e88928. 2014
  3. pmc Cost analyses of peer health worker and mHealth support interventions for improving AIDS care in Rakai, Uganda
    Larry W Chang
    Department of Medicine, Division of Infectious Diseases, Johns Hopkins School of Medicine, Baltimore, MD, USA
    AIDS Care 25:652-6. 2013
  4. pmc Perceptions and acceptability of mHealth interventions for improving patient care at a community-based HIV/AIDS clinic in Uganda: a mixed methods study
    Larry W Chang
    Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    AIDS Care 25:874-80. 2013
  5. pmc Combination implementation for HIV prevention: moving from clinical trial evidence to population-level effects
    Larry W Chang
    Division of Infectious Diseases, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA
    Lancet Infect Dis 13:65-76. 2013
  6. doi request reprint Developing WHO guidelines with pragmatic, structured, evidence-based processes: A case study
    L W Chang
    Cochrane HIV AIDS Group, University of California, San Francisco, CA, USA
    Glob Public Health 5:395-412. 2010
  7. doi request reprint Information and communication technology and community-based health sciences training in Uganda: perceptions and experiences of educators and students
    Larry W Chang
    Division of Infectious Diseases, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD 21287, USA
    Inform Health Soc Care 37:1-11. 2012
  8. doi request reprint Perceptions and valuation of a community-based education and service (COBES) program in Uganda
    Larry W Chang
    Division of Infectious Diseases, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, Maryland 21287, USA
    Med Teach 33:e9-15. 2011
  9. pmc Effect of peer health workers on AIDS care in Rakai, Uganda: a cluster-randomized trial
    Larry W Chang
    Division of Infectious Diseases, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
    PLoS ONE 5:e10923. 2010
  10. pmc Two-year virologic outcomes of an alternative AIDS care model: evaluation of a peer health worker and nurse-staffed community-based program in Uganda
    Larry W Chang
    Division of Infectious Diseases, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
    J Acquir Immune Defic Syndr 50:276-82. 2009

Collaborators

Detail Information

Publications25

  1. pmc Heterogeneity of the HIV epidemic in agrarian, trading, and fishing communities in Rakai, Uganda: an observational epidemiological study
    Larry W Chang
    Division of Infectious Diseases, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA Rakai Health Sciences Program, Entebbe, Uganda Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA Social and Behavioral Interventions Program, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA Electronic address
    Lancet HIV 3:e388-96. 2016
    ..We assessed community-level variations in HIV prevalence, risk factors, and treatment and prevention service uptake in Rakai, Uganda...
  2. pmc Field evaluation of PIMA point-of-care CD4 testing in Rakai, Uganda
    Ronald M Galiwango
    Rakai Health Sciences Program, Kalisizo, Uganda
    PLoS ONE 9:e88928. 2014
    ..To assess the accuracy of PIMA Point-of-Care (POC) CD4 testing in rural Rakai, Uganda...
  3. pmc Cost analyses of peer health worker and mHealth support interventions for improving AIDS care in Rakai, Uganda
    Larry W Chang
    Department of Medicine, Division of Infectious Diseases, Johns Hopkins School of Medicine, Baltimore, MD, USA
    AIDS Care 25:652-6. 2013
    ..50 patients per year from switching to second-line antiretroviral therapy. Other AIDS care programs may find these intervention costs affordable...
  4. pmc Perceptions and acceptability of mHealth interventions for improving patient care at a community-based HIV/AIDS clinic in Uganda: a mixed methods study
    Larry W Chang
    Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    AIDS Care 25:874-80. 2013
    ..However, a number of potential inhibiting factors were also discovered. Findings from this study may help guide future design and implementation of mHealth interventions in this setting, optimizing their chances for success...
  5. pmc Combination implementation for HIV prevention: moving from clinical trial evidence to population-level effects
    Larry W Chang
    Division of Infectious Diseases, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA
    Lancet Infect Dis 13:65-76. 2013
    ..Only through careful consideration of how to implement and operationalise HIV prevention interventions will the HIV community be able to move from clinical trial evidence to population-level effects...
  6. doi request reprint Developing WHO guidelines with pragmatic, structured, evidence-based processes: A case study
    L W Chang
    Cochrane HIV AIDS Group, University of California, San Francisco, CA, USA
    Glob Public Health 5:395-412. 2010
    ..Successes and challenges of the guideline development process were identified and are used to highlight current issues and debates in developing guidelines with a focus on implications for future guideline development at WHO...
  7. doi request reprint Information and communication technology and community-based health sciences training in Uganda: perceptions and experiences of educators and students
    Larry W Chang
    Division of Infectious Diseases, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD 21287, USA
    Inform Health Soc Care 37:1-11. 2012
    ..ICT may offer a unique opportunity to improve the quality of teaching and learning for COBES participants...
  8. doi request reprint Perceptions and valuation of a community-based education and service (COBES) program in Uganda
    Larry W Chang
    Division of Infectious Diseases, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, Maryland 21287, USA
    Med Teach 33:e9-15. 2011
    ..Community-based education and service (COBES) has been promoted to improve the education of health professionals, particularly in low-resource settings. However, few evaluations have been performed to guide program development...
  9. pmc Effect of peer health workers on AIDS care in Rakai, Uganda: a cluster-randomized trial
    Larry W Chang
    Division of Infectious Diseases, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
    PLoS ONE 5:e10923. 2010
    ..We conducted a cluster randomized trial to assess the effect of community-based peer health workers (PHW) on AIDS care of adults in Rakai, Uganda...
  10. pmc Two-year virologic outcomes of an alternative AIDS care model: evaluation of a peer health worker and nurse-staffed community-based program in Uganda
    Larry W Chang
    Division of Infectious Diseases, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
    J Acquir Immune Defic Syndr 50:276-82. 2009
    ..We evaluated an alternative model, community-based, comprehensive antiretroviral program staffed primarily by peer health workers and nurses...
  11. pmc Impact of a mHealth intervention for peer health workers on AIDS care in rural Uganda: a mixed methods evaluation of a cluster-randomized trial
    Larry W Chang
    Division of Infectious Diseases, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD 21287, USA
    AIDS Behav 15:1776-84. 2011
    ..Key challenges identified included variable patient phone access, privacy concerns, and phone maintenance...
  12. pmc Peer health workers and AIDS care in Rakai, Uganda: a mixed methods operations research evaluation of a cluster-randomized trial
    Hannah Arem
    Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
    AIDS Patient Care STDS 25:719-24. 2011
    ....
  13. pmc Association of Medical Male Circumcision and Antiretroviral Therapy Scale-up With Community HIV Incidence in Rakai, Uganda
    Xiangrong Kong
    Department of Epidemiology, Johns Hopkins, Bloomberg School of Public Health, Baltimore, Maryland2Department of Biostatistics, Johns Hopkins, Bloomberg School of Public Health, Baltimore, Maryland
    JAMA 316:182-90. 2016
    ..Such evaluation is important for planning and resource allocation...
  14. pmc Utilizing mHealth methods to identify patterns of high risk illicit drug use
    Beth S Linas
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States Electronic address
    Drug Alcohol Depend 151:250-7. 2015
    ..We assessed patterns of illicit drug use using mobile health (mHealth) methods and subsequent health care indicators among drug users in Baltimore, MD...
  15. pmc Effectiveness of peer support on care engagement and preventive care intervention utilization among pre-antiretroviral therapy, HIV-infected adults in Rakai, Uganda: a randomized trial
    Larry W Chang
    Division of Infectious Diseases, Johns Hopkins School of Medicine, 725 N Wolfe Street, Suite 216, Baltimore, MD, 21205, USA
    AIDS Behav 19:1742-51. 2015
    ..35, p = 0.04), and 20 versus 4 % safe water vessel adherence (PRR 5.78, p = 0.017). Peer support may be an effective intervention to facilitate pre-ART care compliance in this important population. ..
  16. pmc Ecological Momentary Assessment of Illicit Drug Use Compared to Biological and Self-Reported Methods
    Beth S Linas
    Johns Hopkins Bloomberg School of Public Health, Department of Epidemiology, Baltimore, MD, USA
    JMIR Mhealth Uhealth 4:e27. 2016
    ....
  17. pmc Qualitative insights into implementation, processes, and outcomes of a randomized trial on peer support and HIV care engagement in Rakai, Uganda
    April Monroe
    Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
    BMC Infect Dis 17:54. 2017
    ..Community-based peer support may be an effective approach to promote these important HIV services...
  18. pmc Impact of Patient-Selected Care Buddies on Adherence to HIV Care, Disease Progression, and Conduct of Daily Life Among Pre-antiretroviral HIV-Infected Patients in Rakai, Uganda: A Randomized Controlled Trial
    Gertrude Nakigozi
    Rakai Health Sciences Program, Kalisizo, Uganda School of Public Health, Makerere University College of Health Sciences, Kampala, Uganda Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD Division of Infectious Diseases, Johns Hopkins School of Medicine, Baltimore, MD Division of Infectious Diseases, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD Department of Medicine, Makerere University College of Health Sciences, Kampala, Uganda
    J Acquir Immune Defic Syndr 70:75-82. 2015
    ..We assessed the impact of care buddies on adherence to HIV clinic appointments, HIV progression, and conduct of daily life among pre-antiretroviral therapy (pre-ART) HIV-infected individuals in Rakai, Uganda...
  19. pmc Durable Suppression of HIV-1 after Virologic Monitoring-Based Antiretroviral Adherence Counseling in Rakai, Uganda
    Alexander Billioux
    Johns Hopkins School of Medicine, Baltimore, Maryland Rakai Health Sciences Program, Rakai, Uganda
    PLoS ONE 10:e0127235. 2015
    ..We assessed the durability of viral suppression after viral load-triggered adherence counseling among patients with HIV viremia 6 months after ART initiation...
  20. pmc A qualitative study of barriers to enrollment into free HIV care: perspectives of never-in-care HIV-positive patients and providers in Rakai, Uganda
    Gertrude Nakigozi
    Rakai Health Sciences Program, P O Box 279, Kalisizo, Rakai, Uganda
    Biomed Res Int 2013:470245. 2013
    ..5%) of HIV-positive clients who knew their serostatus did not enroll into free care services. This qualitative study explored barriers to entry into care from HIV-positive clients who had never enrolled in care and HIV care providers...
  21. pmc The organization and implementation of community-based education programs for health worker training institutions in Uganda
    Dan Kaye
    Johns Hopkins School of Public Health, Baltimore, Maryland, 21205, USA
    BMC Int Health Hum Rights 11:S4. 2011
    ..This study was undertaken to assess the scope and nature of community-based education for various health worker cadres in Uganda...
  22. pmc Socioeconomic determinants of mortality in HIV: evidence from a clinical cohort in Uganda
    Matthew D Burkey
    Division of Child and Adolescent Psychiatry, Department of Psychiatry and Behavioral Sciences, Johns Hopkins Hospital, Johns Hopkins School of Medicine, Baltimore, MD Division of HIV AIDS and Center for AIDS Prevention Studies, University of California, San Francisco, CA The Dartmouth Institute for Health Policy and Clinical Practice, Lebanon, NH Reach Out Mbuya, Kampala, Uganda Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD Division of Infectious Diseases, Johns Hopkins School of Medicine, Baltimore, MD and Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
    J Acquir Immune Defic Syndr 66:41-7. 2014
    ..To delineate the association between baseline socioeconomic status (SES) indicators and mortality and lost to follow-up (LTFU) in a cohort of HIV-infected individuals enrolled in antiretroviral therapy (ART) in urban Uganda...
  23. ncbi request reprint Optimal monitoring strategies for guiding when to switch first-line antiretroviral therapy regimens for treatment failure in adults and adolescents living with HIV in low-resource settings
    Larry W Chang
    Division of Infectious Diseases, Department of Medicine, Johns Hopkins School of Medicine, 1503 East Jefferson St, Room 116, Baltimore, MD, USA, 21287
    Cochrane Database Syst Rev 4:CD008494. 2010
    ..g. after 2-3 years) would be informative. Finally, cost-analysis studies will lend further insights into the applicability of these findings to low-resource settings...
  24. pmc The role of viral introductions in sustaining community-based HIV epidemics in rural Uganda: evidence from spatial clustering, phylogenetics, and egocentric transmission models
    Mary K Grabowski
    Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America
    PLoS Med 11:e1001610. 2014
    ....
  25. pmc Capturing illicit drug use where and when it happens: an ecological momentary assessment of the social, physical and activity environment of using versus craving illicit drugs
    Beth S Linas
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
    Addiction 110:315-25. 2015
    ..To understand the environmental and contextual influences of illicit cocaine and heroin use and craving using mobile health (mHealth) methods...