Gypsyamber D'Souza

Summary

Affiliation: Johns Hopkins Bloomberg School of Public Health
Country: USA

Publications

  1. pmc Uptake and predictors of anal cancer screening in men who have sex with men
    Gypsyamber D'Souza
    Johns Hopkins Bloomberg School of Public Health Department of Epidemiology, Baltimore, MD 21205, USA
    Am J Public Health 103:e88-95. 2013
  2. pmc Medicinal and recreational marijuana use among HIV-infected women in the Women's Interagency HIV Study (WIHS) cohort, 1994-2010
    Gypsyamber DʼSouza
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
    J Acquir Immune Defic Syndr 61:618-26. 2012
  3. pmc Cervicovaginal human papillomavirus (HPV)-infection before and after hysterectomy: evidence of different tissue tropism for oncogenic and nononcogenic HPV types in a cohort of HIV-positive and HIV-negative women
    Gypsyamber D'Souza
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
    Int J Cancer 131:1472-8. 2012
  4. pmc Marijuana use is not associated with cervical human papillomavirus natural history or cervical neoplasia in HIV-seropositive or HIV-seronegative women
    Gypsyamber D'Souza
    Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
    Cancer Epidemiol Biomarkers Prev 19:869-72. 2010
  5. doi request reprint Incidence and epidemiology of anal cancer in the multicenter AIDS cohort study
    Gypsyamber D'Souza
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
    J Acquir Immune Defic Syndr 48:491-9. 2008
  6. pmc Anal cancer screening behaviors and intentions in men who have sex with men
    Gypsyamber D'Souza
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
    J Gen Intern Med 23:1452-7. 2008
  7. pmc The role of HPV in head and neck cancer and review of the HPV vaccine
    Gypsyamber D'Souza
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 N Wolfe Street, Baltimore, MD 21205, USA
    Prev Med 53:S5-S11. 2011
  8. pmc Relationship between prevalent oral and cervical human papillomavirus infections in human immunodeficiency virus-positive and -negative women
    Carole Fakhry
    Johns Hopkins Medicine and Johns Hopkins Bloomberg School of Public Health, Cancer Research Building I, 1650 Orleans Street G91, Baltimore, MD 21231 1000, and The CORE Center at John H Stroger Jr Hospital of Cook County, Chicago, IL, USA
    J Clin Microbiol 44:4479-85. 2006
  9. pmc Risk factors for oral HPV infection among a high prevalence population of HIV-positive and at-risk HIV-negative adults
    Daniel C Beachler
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 n Wolfe St E6132B, Baltimore, MD 21205, USA
    Cancer Epidemiol Biomarkers Prev 21:122-33. 2012
  10. pmc Natural history of anal vs oral HPV infection in HIV-infected men and women
    Daniel C Beachler
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
    J Infect Dis 208:330-9. 2013

Collaborators

Detail Information

Publications25

  1. pmc Uptake and predictors of anal cancer screening in men who have sex with men
    Gypsyamber D'Souza
    Johns Hopkins Bloomberg School of Public Health Department of Epidemiology, Baltimore, MD 21205, USA
    Am J Public Health 103:e88-95. 2013
    ..We investigated attitudes about and acceptance of anal Papanicolaou (Pap) screening among men who have sex with men (MSM)...
  2. pmc Medicinal and recreational marijuana use among HIV-infected women in the Women's Interagency HIV Study (WIHS) cohort, 1994-2010
    Gypsyamber DʼSouza
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
    J Acquir Immune Defic Syndr 61:618-26. 2012
    ..Initial studies suggest that marijuana use may reduce HIV-related symptoms, but medical marijuana use among HIV-infected individuals has not been well described...
  3. pmc Cervicovaginal human papillomavirus (HPV)-infection before and after hysterectomy: evidence of different tissue tropism for oncogenic and nononcogenic HPV types in a cohort of HIV-positive and HIV-negative women
    Gypsyamber D'Souza
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
    Int J Cancer 131:1472-8. 2012
    ..If correct, these data could suggest that oncogenic HPV have greater tropism for cervical compared to vaginal epithelium, consistent with the lower incidence of vaginal than cervical cancer...
  4. pmc Marijuana use is not associated with cervical human papillomavirus natural history or cervical neoplasia in HIV-seropositive or HIV-seronegative women
    Gypsyamber D'Souza
    Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
    Cancer Epidemiol Biomarkers Prev 19:869-72. 2010
    ..The findings were similar among HIV-seropositive and HIV-seronegative women, and in tobacco smokers and nonsmokers. These data suggest that marijuana use does not increase the burden of cervical HPV infection or SIL...
  5. doi request reprint Incidence and epidemiology of anal cancer in the multicenter AIDS cohort study
    Gypsyamber D'Souza
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
    J Acquir Immune Defic Syndr 48:491-9. 2008
    ..To examine the incidence and risk factors for anal cancer in a multicenter cohort of human immunodeficiency virus (HIV) positive and HIV-negative men who have sex with men followed between 1984 and 2006 (Multicenter AIDS Cohort Study)...
  6. pmc Anal cancer screening behaviors and intentions in men who have sex with men
    Gypsyamber D'Souza
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
    J Gen Intern Med 23:1452-7. 2008
    ..The incidence of anal cancer has increased in the past decade, especially among men who have sex with men (MSM) and HIV-infected individuals. There is controversy about whether to routinely screen for anal cancer in MSM...
  7. pmc The role of HPV in head and neck cancer and review of the HPV vaccine
    Gypsyamber D'Souza
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 N Wolfe Street, Baltimore, MD 21205, USA
    Prev Med 53:S5-S11. 2011
    ....
  8. pmc Relationship between prevalent oral and cervical human papillomavirus infections in human immunodeficiency virus-positive and -negative women
    Carole Fakhry
    Johns Hopkins Medicine and Johns Hopkins Bloomberg School of Public Health, Cancer Research Building I, 1650 Orleans Street G91, Baltimore, MD 21231 1000, and The CORE Center at John H Stroger Jr Hospital of Cook County, Chicago, IL, USA
    J Clin Microbiol 44:4479-85. 2006
    ..3%) was significantly greater than would be expected by chance (P=0.0002). Therefore, the oral and cervical reservoirs for HPV infection are likely not entirely independent of one another...
  9. pmc Risk factors for oral HPV infection among a high prevalence population of HIV-positive and at-risk HIV-negative adults
    Daniel C Beachler
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 n Wolfe St E6132B, Baltimore, MD 21205, USA
    Cancer Epidemiol Biomarkers Prev 21:122-33. 2012
    ..Individuals with human immunodeficiency virus (HIV) have higher oral HPV prevalence but the risk factors for oral HPV infection are not well understood for either HIV-positive or HIV-negative individuals...
  10. pmc Natural history of anal vs oral HPV infection in HIV-infected men and women
    Daniel C Beachler
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
    J Infect Dis 208:330-9. 2013
    ..The prevalence of anal vs oral HPV infections is higher in this population, but whether this is explained by higher incidence or persistence is unknown...
  11. pmc Analysis of the effect of DNA purification on detection of human papillomavirus in oral rinse samples by PCR
    Gypsyamber D'Souza
    Department of Epidemiology, Johns Hopkins University, Baltimore, MD 21231, USA
    J Clin Microbiol 43:5526-35. 2005
    ..The method of DNA purification significantly affects the detection of HPV genomic DNA from oral rinse samples and may result in exposure misclassification that could contribute to the inconsistent associations reported in the literature...
  12. doi request reprint Oral sexual behaviors associated with prevalent oral human papillomavirus infection
    Gypsyamber D'Souza
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
    J Infect Dis 199:1263-9. 2009
    ..046, for trend) or open-mouthed kissing partners (P = .023, for trend) but not vaginal sex partners. Oral sex and open-mouthed kissing are associated with the development of oral HPV infection...
  13. doi request reprint Epidemiology of human papillomavirus-related head and neck cancer
    Andrew W Joseph
    Department of Otolaryngology Head and Neck Surgery, Johns Hopkins Medical Institutions, JHOC 6th Floor, 601 North Caroline Street, Baltimore, MD 21287, USA
    Otolaryngol Clin North Am 45:739-64. 2012
    ..This article reviews the evidence for a causal association between HPV and HNSCC, examines the changing epidemiologic trends of HNSCC, and discusses what is currently known about oral HPV infection, natural history, and transmission...
  14. doi request reprint HPV-associated head and neck cancer: a virus-related cancer epidemic
    Shanthi Marur
    Department of Oncology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD 21231, USA
    Lancet Oncol 11:781-9. 2010
    ....
  15. pmc Two-week versus six-month sampling interval in a short-term natural history study of oral HPV infection in an HIV-positive cohort
    Carole Fakhry
    Department of Otolaryngology Head and Neck Surgery, Johns Hopkins Hospital, Baltimore, Maryland, United States of America
    PLoS ONE 5:e11918. 2010
    ..Oral HPV infections detected six-months apart were compared to those detected bi-weekly, in an HIV-positive cohort, during the intervening months to elucidate systematic biases introduced into natural history studies by sampling interval...
  16. pmc Effect of tuberculosis on the survival of HIV-infected men in a country with low tuberculosis incidence
    Hugo Lopez-Gatell
    Directorate of Epidemiology, Ministry of Health, Mexico, Mexico
    AIDS 22:1869-73. 2008
    ..2-4.7). Results underscore the importance of avoiding TB by using preventive interventions such as treatment of latent TB infection, particularly in populations with a large prevalence of HIV/TB co-infected individuals...
  17. doi request reprint Discussing the diagnosis of HPV-OSCC: common questions and answers
    Carole Fakhry
    Department of Otolaryngology Head and Neck Surgery, Johns Hopkins Hospital, Baltimore, MD, USA
    Oral Oncol 49:863-71. 2013
    ..This manuscript addresses frequently asked questions by patients with HPV-OSCC and their families. A framework for clinicians to address these conversations and the limitations of our present knowledge base is also presented. ..
  18. pmc Long-term prognosis and risk factors among patients with HPV-associated oropharyngeal squamous cell carcinoma
    Brian M Lin
    Department of Otolaryngology Head and Neck Surgery, Johns Hopkins Medical Institutions, Baltimore, Maryland
    Cancer 119:3462-71. 2013
    ..The authors of this report explored prognostic risk factors for overall survival (OS) and recurrence-free survival (RFS)...
  19. pmc Serum biomarkers of immune activation and subsequent risk of non-hodgkin B-cell lymphoma among HIV-infected women
    Shehnaz K Hussain
    Authors Affiliations Department of Epidemiology, Fielding School of Public Health Jonsson Comprehensive Cancer Center Departments of Psychiatry and Biobehavioral Sciences, and Obstetrics and Gynecology, and Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine at UCLA UCLA AIDS Institute University of California Keck School of Medicine, University of Southern California, Los Angeles Departments of Clinical Pharmacy and of Medicine, University of California, San Francisco Department of Hematology HCT, City of Hope National Medical Center, Duarte, California Departments of Medicine and Epidemiology and Population Health, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx SUNY Downstate Medical Center, Brooklyn, New York CORE Center of Cook County Health and Hospitals System and Departments of Medicine, Rush University and Cook County Health and Hospitals System, Chicago, Illinois Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland and Departments of Pathology, Medicine, and Prevention and Community Health, George Washington University, Washington, DC
    Cancer Epidemiol Biomarkers Prev 22:2084-93. 2013
    ..Whether this association exists among women representative of the current HIV epidemic in the United States who are at high risk of HIV-associated NHL (AIDS-NHL), remains to be determined...
  20. pmc Kaposi sarcoma-associated herpesvirus serum DNA and antibodies not associated with subsequent non-Hodgkin lymphoma risk
    Daniel C Beachler
    Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA
    J Acquir Immune Defic Syndr 56:188-92. 2011
    ..03), but after adjustment, the difference was not significant. Epstein-Barr virus serum DNA was similarly unassociated with NHL as were KSHV antibodies. KSHV is not a primary cause of NHL in HIV-infected men who have sex with men...
  21. pmc Moderate predictive value of demographic and behavioral characteristics for a diagnosis of HPV16-positive and HPV16-negative head and neck cancer
    Gypsyamber D'Souza
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, United States
    Oral Oncol 46:100-4. 2010
    ..Patient demographic and behavioral characteristics as well as HPV biomarkers are not an accurate substitute for clinical testing of tumor HPV status...
  22. pmc Invasive cervical cancer risk among HIV-infected women: a North American multicohort collaboration prospective study
    Alison G Abraham
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY Division of Infectious Diseases, School of Medicine, Vanderbilt University, Nashville, TN Division of Research, Kaiser Permanente Northern California, Oakland, CA Division of Infectious Diseases, University of Alabama, Birmingham, AL Ontario Treatment Network, University of Toronto, Toronto, ON, Canada Division of Infectious Diseases, University of North Carolina at Chapel Hill, Chapel Hill, NC Department of Medicine, Johns Hopkins University, Baltimore, MD Department of Medicine, Division of Infectious Diseases Chronic Viral Illness Service, McGill University, Montreal, Quebec, Canada Department of Medicine, University of Washington, Seattle, WA Department of Health Sciences, British Columbia Centre for Excellence and HIV AIDS, Simon Fraser University, Vancouver, British Columbia, Canada Department of Clinical Pharmacy and Medicine, University of California, San Francisco, CA Infections and Immunoepidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD Department of Medicine, University of Calgary, Calgary
    J Acquir Immune Defic Syndr 62:405-13. 2013
    ..Few reported prospective cohort studies have characterized the incidence of invasive cervical cancer (ICC) in HIV-infected women...
  23. doi request reprint Distinct risk factor profiles for human papillomavirus type 16-positive and human papillomavirus type 16-negative head and neck cancers
    Maura L Gillison
    Division of Viral Oncology, The Johns Hopkins Kimmel Comprehensive Cancer Center, Baltimore, MD 21231, USA
    J Natl Cancer Inst 100:407-20. 2008
    ..We examined whether the risk factors for HPV-16-positive HNSCCs are similar to those for HPV-16-negative HNSCCs in a hospital-based case-control study...
  24. doi request reprint Differences in oral sexual behaviors by gender, age, and race explain observed differences in prevalence of oral human papillomavirus infection
    Gypsyamber D'Souza
    Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America Department of Otolaryngology Head and Neck Surgery, Johns Hopkins Hospital, Baltimore, Maryland, United States of America
    PLoS ONE 9:e86023. 2014
    ..This study explores whether gender, age and race differences in oral sexual behavior account for the demographic distribution of oral human papillomavirus infection (HPV) and HPV-positive oropharyngeal cancer (HPV-OSCC)...
  25. doi request reprint Investigation of motion sickness and inertial stability on a moving couch for intra-fraction motion compensation
    WARREN D D'SOUZA
    Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
    Acta Oncol 48:1198-203. 2009
    ..Our results show that patients do not suffer motion sickness or external surface instability on a moving couch...