Katerina Christopoulos, MD, MPH

Professor in Residence

Academic Focus: Linkage and retention in HIV care; HIV testing in the emergency department and other acute medical care settings; acute HIV infection; quality of HIV care delivery; implementation science.

Education
08/2010 - T32 Fellowship (HIV Research), Division of HIV/AIDS, SFGH, UCSF
06/2008 - Infectious Diseases Fellowship, Columbia University Medical Center
06/2006 - Internal Medicine Residency, Massachusetts General Hospital
MD, 05/2003 - Medicine, Columbia College of Physicians and Surgeons
MPH, 05/2003 - Public Health, Columbia Mailman School of Public Health
Publications

  1. Montaño M, Shapiro AE, Whitney BM, Bamford L, Burkholder G, Cachay ER, Christopoulos KA, Crane HM, Delaney JAC, Eron JJ, Fredericksen RJ, Hunt PW, Jacobson JM, Keruly JC, Kim HN, Mayer KH, Moore RD, Napravnik S, Pettit A, Saag MS, Yendewa GA, Kitahata MM, Bender Ignacio RA. Mpox in People With Human Immunodeficiency Virus: Predictors of Diagnosis, Outcomes, and Vaccine Effectiveness in a Multisite Cohort. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2024. PMID: 39377755


  2. Hickey MD, Gistand N, Grochowski J, Mayorga-Munoz F, Imbert E, Szumowski JD, Oskarsson J, Shiels M, Dilworth S, Appa A, Havlir DV, Gandhi M, Christopoulos K. 48-week viral suppression rates in people with HIV starting long-acting CAB/RPV with initial viremia. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2024. PMID: 39367871


  3. Zuñiga J, Thurman W, West Ohueri C, Cho E, Chineyemba P, Martin CA, Mathews WC, Christopoulos K, Davy-Mendez T, García AA. Construction of a Theoretical Model of Chronic Disease Self-Management: Self-Management Within a Syndemic. ANS. Advances in nursing science 2024. PMID: 39235280


  4. Spinelli MA, Johnson MO, Lisha NE, Jain JP, Moreira CV, Glidden DV, Burkholder GA, Crane HM, Jacobson JM, Cachay ER, Mayer KH, Napravnik S, Moore RD, Gandhi M, Christopoulos KA. Prevalence and Correlates of SARS-CoV-2 Vaccine Uptake and Hesitancy Among People With HIV Across the United States. Journal of acquired immune deficiency syndromes (1999) 2024. PMID: 39116328


  5. Crawford TN, Neilands TB, Drumright LN, Fredericksen RJ, Johnson MO, Mayer KH, Bamford L, Batchelder AW, Crane HM, Elopre L, Moore RD, Rosengren AL, Christopoulos KA. Internalized HIV stigma and viral suppression: examining the mediating and moderating roles of substance use and social support. AIDS (London, England) 2024. PMID: 39206880


  6. Campbell CK, Koester KA, Erguera XA, Moran L, LeTourneau N, Broussard J, Crouch PC, Lynch E, Camp C, Torres S, Schneider J, VanderZanden L, Coffey S, Christopoulos KA. Effective Messages to Reduce Stigma among People Newly Diagnosed with HIV during Rapid ART Initiation. International journal of environmental research and public health 2024. PMID: 39338016


  7. Jain JP, Heise MJ, Lisha NE, Moreira CH, Glidden DV, Burkholder GA, Crane HM, Jacobson JM, Cachay ER, Mayer KH, Napravnik S, Moore RD, Dawson-Rose C, Johnson MO, Christopoulos KA, Gandhi M, Spinelli MA. Impact of the Coronavirus Disease 2019 Pandemic on Substance Use Disorder Risk Among People Living With Human Immunodeficiency Virus (HIV) Enrolled in HIV Care in the United States: An Interrupted Time Series Analysis. Open forum infectious diseases 2024. PMID: 39252870


  8. Salazar J, Lisha NE, Neilands TB, Ludwig-Barron N, Johnson MO, Cachay ER, Napravnik S, Crane HM, Moore RD, Fredericksen RJ, Mayer KH, Christopoulos KA, Sauceda JA. The HIV Index Is Associated With Retention in Care Among Latinx Persons Living With HIV in the CFAR Network of Integrated Clinical Systems Cohort. AIDS education and prevention : official publication of the International Society for AIDS Education 2024. PMID: 39189958


  9. Fredericksen RJ, Mixson LS, Drumright LN, Nance RM, Delaney JAC, Ruderman SA, Whitney BM, Hahn A, Ma J, Mayer KH, Christopoulos KA, Willig AL, Napravnik S, Bamford L, Cachay E, Eron JJ, Saag M, Jacobson J, Kitahata MM, Crane HM. Correlates of Intimate Partner Violence, Including Psychological Partner Violence, in a Multisite U.S. Cohort of People in HIV Care. AIDS and behavior 2024. PMID: 39014029


  10. Hickey MD, Grochowski J, Mayorga-Munoz F, Oskarsson J, Imbert E, Spinelli M, Szumowski JD, Appa A, Koester K, Dauria EF, McNulty M, Colasanti J, Havlir DV, Gandhi M, Christopoulos KA. Identifying Implementation Determinants and Strategies for Long-Acting Injectable Cabotegravir-Rilpivirine in People with HIV Who Are Virally Unsuppressed. Journal of acquired immune deficiency syndromes (1999) 2024. PMID: 38534179


  11. Collins LF, Koester KA, McNulty MC, Montgomery ET, Johnson MO, Neilands TB, Dilworth SE, Sauceda JA, Dance K, Erguera X, Diaz Tsuzuki M, Gutierrez JI, Christopoulos KA, Colasanti JA. Patient Attitudes Toward Self- or Partner-, Friend-, or Family-Administered Long-acting Injectable Antiretroviral Therapy: A Mixed-Methods Study Across 3 Urban Human Immunodeficiency Virus Clinics. Open forum infectious diseases 2024. PMID: 38854389


  12. Erguera XA, Koester KA, Diaz Tsuzuki M, Dance KV, Flores R, Kerman J, McNulty MC, Colasanti JA, Collins LF, Montgomery ET, Johnson MO, Sauceda JA, Christopoulos KA. Acceptability of Long-Acting Injectable Antiretroviral Therapy Among People with HIV Receiving Care at Three Ryan White Funded Clinics in the United States. AIDS and behavior 2024. PMID: 38598026


  13. Spinelli MA, Christopoulos KA, Moreira CV, Jain JP, Lisha N, Glidden DV, Burkholder GA, Crane HM, Shapiro AE, Jacobson JM, Cachay ER, Mayer KH, Napravnik S, Moore RD, Gandhi M, Johnson MO. Viral Suppression Trajectories Destabilized After Coronavirus Disease 2019 Among US People With Human Immunodeficiency Virus: An Interrupted Time Series Analysis. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2023. PMID: 37963086


  14. Fredericksen RJ, Perkins R, Brown CE, Cannon C, Lopez C, Cohee A, Dombrowski JC, Cohen S, Malinski C, Powell M, Luetkemeyer AF, Celum C, Christopoulos K. Doxycycline as Postsexual Exposure Prophylaxis: Use, Acceptability, and Associated Sexual Health Behaviors Among a Multi-Site Sample of Clinical Trial Participants. AIDS patient care and STDs 2024. PMID: 38656217


  15. Dickey BL, Yanik EL, Thompson Z, Burkholder G, Kitahata MM, Moore RD, Jacobson J, Mathews WC, Christopoulos KA, Fleming J, Napravnik S, Achenbach C, Coghill AE. The association of HIV control and immunosuppression with risk of non-AIDS defining cancer risk among patients on antiretroviral therapy. Journal of acquired immune deficiency syndromes (1999) 2023. PMID: 37977197


  16. Drumright LN, Johnson MO, Mayer KH, Christopoulos K, Cachay E, Crawford TN, Whitney BM, Dai M, Ruderman SA, Mixson LS, Keruly JC, Chander G, Saag MS, Kitahata MM, Moore RD, Lwillig A, Eron JJ, Napravnik S, Nance RM, Hahn A, Ma J, Bamford L, Fredericksen RJ, Delaney JA, Crane HM. Differences in internalized HIV stigma across subpopulations of people living with HIV in care across the US. AIDS (London, England) 2024. PMID: 38349228


  17. Elliot Marseille, Ryan Walker, Jon Oskarsson, Janet Grochowski, Matt Hickey, Elizabeth V Imbert, John Szumowski, Kimberly Koester, Mollie Smith, Tor Neilands, Mallory Johnson, John Sauceda, Elizabeth Montgomery, Moira McNulty, Jonathan Colasanti, Katerina Christopoulos. 1585. The Annual Cost per Newly Virally-Suppressed Person with HIV in Those Starting Long-Acting Injectable Antiretroviral Therapy with Detectable Viremia in a Safety-Net Clinic in San Francisco. Open forum infectious diseases 2023. PMID:


  18. Koester KA, Colasanti JA, McNulty MC, Dance K, Erguera XA, Tsuzuki MD, Johnson MO, Sauceda JA, Montgomery E, Schneider J, Christopoulos KA. Assessing readiness to implement long-acting injectable HIV antiretroviral therapy: provider and staff perspectives. Implementation science communications 2023. PMID: 37858272


  19. Shelton BA, Sawinski D, Peter I, Maclennan PA, Pelletier NF, Nadkarni G, Julian B, Saag M, Fatima H, Crane H, Lee W, Moore RD, Christopoulos K, Jacobson JM, Eron JJ, Kumar V, Locke JE. African American/black race, Apolipoprotein L1, and the indirect glomerular filtration measure serum creatinine among persons living with HIV. AIDS (London, England) 2023. PMID: 37650767


  20. Sauceda JA, Lisha NE, Ludwig-Barron N, Salazar J, Dilworth SE, Johnson MO, Christopoulos KA, Koester KA, Moore RD, Mayer KH, Fredericksen RJ, Mugavero MJ, Neilands TB. The Brief HIV Index: A rapid 3-item scale to measure engagement in HIV care. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2023. PMID: 37017008


  21. Moran L, Koester KA, Le Tourneau N, Coffey S, Moore K, Broussard J, Crouch PC, VanderZanden L, Schneider J, Lynch E, Roman J, Christopoulos KA. The Rapid interaction: a qualitative study of provider approaches to implementing Rapid ART. Implementation science communications 2023. PMID: 37452427


  22. Lesko CR, Gnang JS, Fojo AT, Hutton HE, Mccaul ME, Delaney JA, Cachay ER, Mayer KH, Crane HM, Scott Batey D, Napravnik S, Christopoulos KA, Lau B, Chander G. Alcohol use and the longitudinal HIV care continuum for people with HIV who enrolled in care between 2011-2019. Annals of epidemiology 2023. PMID: 37442307


  23. Ma J, Luu B, Ruderman SA, Whitney BM, Merrill JO, Mixson LS, Nance RM, Drumright LN, Hahn AW, Fredericksen RJ, Chander G, Lau B, McCaul ME, Safren S, O'Cleirigh C, Cropsey K, Mayer KH, Mathews WC, Moore RD, Napravnik S, Christopoulos K, Willig A, Jacobson JM, Webel A, Burkholder G, Mugavero MJ, Saag MS, Kitahata MM, Crane HM, Delaney JAC. Alcohol and drug use severity are independently associated with antiretroviral adherence in the current treatment era. AIDS care 2023. PMID: 37419138


  24. Gandhi M, Hickey M, Imbert E, Grochowski J, Mayorga-Munoz F, Szumowski JD, Oskarsson J, Shiels M, Sauceda J, Salazar J, Dilworth S, Nguyen JQ, Glidden DV, Havlir DV, Christopoulos KA. Demonstration Project of Long-Acting Antiretroviral Therapy in a Diverse Population of People With HIV. Annals of internal medicine 2023. PMID: 37399555


  25. Mukamba N, Mwamba C, Redkar S, Foloko M, Lumbo K, Nyirenda H, Roter DL, Mulabe M, Sharma A, Simbeza S, Sikombe K, Beres LK, Pry JM, Christopoulos K, Holmes CB, Geng EH, Sikazwe I, Bolton-Moore C, Mody A. Patterns of person-centred communications in public HIV clinics: a latent class analysis using the Roter interaction analysis system. Journal of the International AIDS Society 2023. PMID: 37408449


  26. Mwamba C, Beres LK, Mukamba N, Jere L, Foloko M, Lumbo K, Sikombe K, Simbeza S, Mody A, Pry JM, Holmes CB, Sikazwe I, Moore CB, Christopoulos K, Sharma A, Geng EH. Provider perspectives on patient-centredness: participatory formative research and rapid analysis methods to inform the design and implementation of a facility-based HIV care improvement intervention in Zambia. Journal of the International AIDS Society 2023. PMID: 37408458


  27. Kerkhoff AD, Mwamba C, Pry JM, Kagujje M, Nyangu S, Mateyo K, Sanjase N, Chilukutu L, Christopoulos KA, Muyoyeta M, Sharma A. A mixed methods study on men's and women's tuberculosis care journeys in Lusaka, Zambia-Implications for gender-tailored tuberculosis health promotion and case finding strategies. PLOS Global Public Health 2023. PMID: 37327200


  28. Liu T, Chambers LC, Hansen B, Bazerman LB, Cachay ER, Christopoulos K, Drainoni ML, Gillani FS, Mayer KH, Moore RD, Rana A, Beckwith CG. Risk of HIV Viral Rebound in the Era of Universal Treatment in a Multicenter Sample of Persons With HIV in Primary Care. Open forum infectious diseases 2023. PMID: 37351454


  29. Dauria E, Rodriguez C, Bauerle Bass S, Tolou-Shams M, Christopoulos K. Implementation strategies to screen, refer and link women involved in the carceral system to PrEP for HIV prevention. International journal of prisoner health 2023. PMID: 37113046


  30. Hahn AW, Ruderman SA, Nance RM, Whitney BW, Eltonsy S, Haidar L, Delaney J, Drumright LN, Ma J, Mayer KH, O'Cleirigh C, Napravnik S, Eron JJ, Christopoulos K, Bamford L, Cachay E, Jacobson JM, Willig A, Cropsey K, Chander G, Crane HM, Fredericksen RJ. Vaporized Nicotine (E-cigarette) and Tobacco Smoking Among People with HIV: Use Patterns and Associations with Depression and Panic Symptoms. Journal of acquired immune deficiency syndromes (1999) 2022. PMID: 36399783


  31. Drumright LN, Nance RM, Ruderman SA, Ma J, Whitney BM, Hahn A, Fredericksen RJ, Luu B, Lober WB, Moore RD, Budoff MJ, Keruly JC, Christopoulos K, Puryear S, Willig A, Cropsey K, Mathews WC, Cachay E, Bamford L, Eron JJ, Napravnik S, Mayer KH, O'Cleirigh C, Mccaul ME, Chander G, Feinstein MJ, Saag MS, Kitahata MM, Heckbert SR, Crane HM, Delaney JAC. Associations between alcohol and cigarette use and type 1 and 2 myocardial infarction among people with HIV. HIV medicine 2023. PMID: 36855253


  32. Sauceda JA, Lechuga J, Ramos ME, Puentes J, Ludwig-Barron N, Salazar J, Christopoulos KA, Johnson MO, Gomez D, Covarrubias R, Hernandez J, Montelongo D, Ortiz A, Rojas J, Ramos L, Avila I, Gwadz MV, Neilands TB. A factorial experiment grounded in the multiphase optimization strategy to promote viral suppression among people who inject drugs on the Texas-Mexico border: a study protocol. BMC public health 2023. PMID: 36765309


  33. Christopoulos KA, Grochowski J, Mayorga-Munoz F, Hickey MD, Imbert E, Szumowski JD, Dilworth S, Oskarsson J, Shiels M, Havlir D, Gandhi M. First Demonstration Project of Long-Acting Injectable Antiretroviral Therapy for Persons With and Without Detectable HIV Viremia in an Urban HIV Clinic. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2022. PMID: 35913500


  34. Reisner SL, Whitney BM, Crane HM, Mayer KH, Grasso C, Nance RM, Poteat T, Mathews WC, Christopoulos K, Mugavero MJ, Chander G, Eron JJ, Kitahata MM, Delaney JAC, Fredericksen RJ. Clinical and Behavioral Outcomes for Transgender Women Engaged in HIV Care: Comparisons to Cisgender Men and Women in the Centers for AIDS Research Network of Integrated Clinical Systems (CNICS) Cohort. AIDS and behavior 2023. PMID: 36609705


  35. Mukamba N, Sharma A, Mwamba C, Nyirenda H, Foloko M, Lumbo K, Christopoulos K, Simbeza S, Sikombe K, Holmes CB, Geng EH, Sikazwe I, Bolton-Moore C, Beres LK. HIV care experiences and health priorities during the first wave of COVID-19: clients' perspectives - a qualitative study in Lusaka, Zambia. BMC public health 2022. PMID: 36451158


  36. Crane HM, Ruderman SA, Whitney BM, Nance RM, Drumright LN, Webel AR, Willig AL, Saag MS, Christopoulos K, Greene M, Hahn AW, Eron JJ, Napravnik S, Mathews WC, Chander G, McCaul ME, Cachay ER, Mayer KH, Landay A, Austad S, Ma J, Kritchevsky SB, Pandya C, Achenbach C, Cartujano-Barrera F, Kitahata M, Delaney JA, Kamen C, Centers for AIDS Research Network of Integrated Clinical Systems (CNICS) Cohort Study. Associations between drug and alcohol use, smoking, and frailty among people with HIV across the United States in the current era of antiretroviral treatment. Drug and alcohol dependence 2022. PMID: 36215811


  37. Shelton BA, Sawinski D, MacLennan PA, Lee W, Wyatt C, Nadkarni G, Fatima H, Mehta S, Crane HM, Porrett P, Julian B, Moore RD, Christopoulos K, Jacobson JM, Muller E, Eron JJ, Saag M, Peter I, Locke JE. Associations between female birth sex and risk of chronic kidney disease development among people with HIV in the USA: A longitudinal, multicentre, cohort study. EClinicalMedicine 2022. PMID: 36159042


  38. Ma J, Nance RM, Delaney JAC, Whitney BM, Bamford L, Gravett RM, Moore RD, Napravnik S, Mayer KH, Jacobson JM, Christopoulos K, Burkholder GA, Keruly J, Eron JJ, Martin J, Cachay ER, Saag MS, Crane HM, Kitahata MM. Current Antiretroviral Treatment Among People With Hiv In The Us: Findings From The Cnics Cohort. 2022. PMID: 35134850


  39. Menza TW, Berry SA, Dombrowski J, Cachay E, Dionne-Odom J, Christopoulos K, Crane HM, Kitahata MM, Mayer KH. Syphilis testing and diagnosis among people with HIV engaged in care at four United States clinical sites, 2014-2018. 2021. PMID: 34788808


  40. Spinelli MA, Le Tourneau N, Glidden DV, Hsu L, Hickey MD, Imbert E, Arreguin M, Jain JP, Oskarsson JJ, Buchbinder SP, Johnson MO, Havlir D, Christopoulos KA, Gandhi M. Impact of Multi-Component Support Strategies on HIV Virologic Suppression Rates during COVID-19: An Interrupted Time Series Analysis. 2022. PMID: 35245934


  41. Shapiro AE, Bender Ignacio RA, Whitney BM, Delaney JA, Nance RM, Bamford L, Wooten D, Keruly JC, Burkholder G, Napravnik S, Mayer KH, Webel AR, Kim HN, Van Rompaey SE, Christopoulos K, Jacobson J, Karris M, Smith D, Johnson MO, Willig A, Eron JJ, Hunt P, Moore RD, Saag MS, Mathews WC, Crane HM, Cachay ER, Kitahata MM, CFAR Network of Integrated Clinical Systems. Factors associated with severity of COVID-19 disease in a multicenter cohort of people with HIV in the United States, March-December 2020. 2022. PMID: 35364600


  42. Pytell JD, Li X, Thompson C, Lesko CR, McCaul ME, Hutton H, Scott Batey D, Cachay E, Mayer KH, Napravnik S, Christopoulos K, Yang C, Crane HM, Chander G, Lau B. The temporal relationship of alcohol use and subsequent self-reported health status among people with HIV. American Journal of Medicine Open 2022. PMID: 37476695


  43. Lesko CR, Mugavero MJ, Shen NM, Fojo AT, Moore RD, Keruly JC, Cachay ER, Napravnik S, Mayer KH, Christopoulos KA, Jacobson JM, Rebeiro PF, Chander G, CNICS. Exploring definitions of retention in care for people living with HIV in the United States in the modern treatment era. AIDS (London, England) 2022. PMID: 35796732


  44. Christopoulos KA, Colasanti J, Johnson MO, Diaz Tsuzuki M, Erguera XA, Flores R, Kerman J, Dance K, Sauceda JA, Neilands TB, Dilworth SE, Koester KA, Gutierrez J, Schneider JA, Montgomery E, McNulty MC. Are Patients and Their Providers Talking About Long-Acting Injectable Antiretroviral Therapy? Penetration into Clinical Encounters at Three U.S. Care Sites. Open forum infectious diseases 2022. PMID: 35873299


  45. Bender Ignacio RA, Shapiro AE, Nance RM, Whitney BM, Delaney JAC, Bamford L, Wooten D, Karris MY, Mathews WC, Kim HN, Keruly J, Burkholder G, Napravnik S, Mayer KH, Jacobson J, Saag M, Moore RD, Eron JJ, Willig AL, Christopoulos KA, Martin J, Hunt PW, Crane HM, Kitahata MM, Cachay ER, Centers for AIDS Research Network of Integrated Clinical Systems (CNICS). Racial and ethnic disparities in coronavirus disease 2019 disease incidence independent of comorbidities, among people with HIV in the United States. AIDS (London, England) 2022. PMID: 35796731


  46. Ridgway JP, Ajith A, Friedman EE, Mugavero MJ, Kitahata MM, Crane HM, Moore RD, Webel A, Cachay ER, Christopoulos KA, Mayer KH, Napravnik S, Mayampurath A. Multicenter Development and Validation of a Model for Predicting Retention in Care Among People with HIV. 2022. PMID: 35394586


  47. Koester KA, Moran L, LeTourneau N, VanderZanden L, Coffey S, Crouch PC, Broussard J, Schneider J, Christopoulos KA. Essential elements of and challenges to rapid ART implementation: a qualitative study of three programs in the United States. 2022. PMID: 35361148


  48. Willis SJ, Kim HN, Achenbach CJ, Cachay ER, Christopoulos KA, Crane HM, Franco RA, Hurt CB, Kitahata MM, Moore RD, Silverberg MJ, Tien PC, Westreich D, Marcus JL. Hepatitis C coinfection and extrahepatic cancer incidence among people living with HIV. 2021. PMID: 34951105


  49. Bender Ignacio RA, Shapiro AE, Nance RM, Whitney BM, Delaney J, Bamford L, Wooten D, Karris M, Mathews WC, Kim HN, Van Rompaey SE, Keruly JC, Burkholder G, Napravnik S, Mayer KH, Jacobson J, Saag MS, Moore RD, Eron JJ, Willig AL, Christopoulos KA, Martin J, Hunt PW, Crane HM, Kitahata MM, Cachay E, Centers for AIDS Research Network of Integrated Clinical Systems (CNICS). Racial and ethnic disparities in COVID-19 disease incidence independent of comorbidities, among people with HIV in the US. 2021. PMID: 34909782


  50. Shapiro AE, Bender Ignacio RA, Whitney BM, Delaney JA, Nance RM, Bamford L, Wooten D, Keruly JC, Burkholder G, Napravnik S, Mayer KH, Webel AR, Kim HN, Van Rompaey SE, Christopoulos K, Jacobson J, Karris M, Smith D, Johnson MO, Willig A, Eron JJ, Hunt P, Moore RD, Saag MS, Mathews WC, Crane HM, Cachay ER, Kitahata MM, CFAR Network of Integrated Clinical Systems. Factors associated with severity of COVID-19 disease in a multicenter cohort of people with HIV in the United States, March-December 2020. 2021. PMID: 34704092


  51. Christopoulos KA, Neilands TB, Koester KA, Sauceda JA, Dilworth SE, Mugavero MJ, Crane HM, Fredericksen RJ, Cachay ER, Mayer KH, Moore RD, Napravnik S, Johnson MO. The HIV Index: Using a Patient-Reported Outcome on Engagement in HIV Care to Explain Sub-Optimal Retention in Care and Virologic Control. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2020. PMID: 33372942


  52. Christopoulos KA, Erguera XA, VanderZanden L, Campbell C, Green M, Tsuzuki MD, Schneider J, Coffey S, Bacon O, Gandhi M, Koester KA. A Qualitative Study of the Experience of Immediate Antiretroviral Therapy Among Urban Persons With Newly Diagnosed Human Immunodeficiency Virus. 2021. PMID: 34877362


  53. Parrish C, Whitney BM, Nance RM, Puttkammer N, Fishman P, Christopoulos K, Fleming J, Heath S, Mathews WC, Chander G, Moore RD, Napravnik S, Webel A, Delaney J, Crane HM, Kitahata MM. Substance use and HIV stage at entry into care among people with HIV. Archives of public health = Archives belges de sante publique 2021. PMID: 34454630


  54. Santiago-Rodríguez EI, Rivas CE, Maiorana A, Pérez AE, Erguera X, Johnson MO, Christopoulos KA, Marquez C, Sauceda JA. Unpacking the "backpack of shame": Exploring intersections of stigma among Latinx people living with HIV in San Francisco, CA. Cultural diversity & ethnic minority psychology 2021. PMID: 34410754


  55. Zuñiga JA, Sales A, Jang DE, West Ohueri C, Burkholder G, Moore R, Davy-Méndez T, Christopoulos K, García AA. Self-Management Model fails to Predict Quality of Life for People Living with Dual Diagnosis of HIV and Diabetes. AIDS and behavior 2021. PMID: 34351517


  56. Satyanarayana S, Rogers BG, Bainter SA, Christopoulos KA, Fredericksen RJ, Mathews WC, Moore RD, Mugavero MJ, Napravnik S, Carrico AW, Mimiaga MJ, Mayer KH, Crane HM, Safren SA. Longitudinal Associations of Syndemic Conditions with Antiretroviral Therapy Adherence and HIV Viral Suppression Among HIV-Infected Patients in Primary Care. AIDS patient care and STDs 2021. PMID: 34097465


  57. Van Gerwen OT, Tamhane A, Westfall AO, Mugavero MJ, Crane HM, Moore RD, Karris M, Christopoulos K, Dombrowski JC, Mayer KH, Marrazzo J, Dionne-Odom J. Prevalence of and Factors Associated With Genital and Extragenital Chlamydia and Gonorrhea Among Transgender Women in HIV Care in the United States, 2005 to 2016. Sexually transmitted diseases 2021. PMID: 33229965


  58. Pearson CA, Johnson MO, Neilands TB, Dilworth SE, Sauceda JA, Mugavero MJ, Crane HM, Fredericksen RJ, Mathews WC, Moore RD, Napravnik S, Mayer KH, Christopoulos KA. Internalized HIV Stigma Predicts Suboptimal Retention in Care Among People Living with HIV in the United States. AIDS patient care and STDs 2021. PMID: 33891484


  59. Satyanarayana S, Safren SA, Rogers BG, Bainter SA, Christopoulos KA, Fredericksen RJ, Mathews WC, Moore RD, Mugavero MJ, Napravnik S, Carrico AW, Mimiaga MJ, Mayer KH, Crane HM. Estimating HIV transmissions in a large U.S. clinic-based sample: effects of time and syndemic conditions. Journal of the International AIDS Society 2021. PMID: 33724718


  60. LaRowe LR, Cleveland JD, Long DM, Nahvi S, Cachay ER, Christopoulos KA, Crane HM, Cropsey K, Napravnik S, O'Cleirigh C, Merlin JS, Ditre JW. Prevalence and impact of comorbid chronic pain and cigarette smoking among people living with HIV. AIDS care 2021. PMID: 33594924


  61. Crane HM, Nance RM, Whitney BM, Heckbert SR, Budoff M, High K, Landay A, Feinstein M, Moore RD, Mathews WC, Christopoulos K, Saag MS, Willig A, Eron JJ, Kitahata MM, Delaney JAC, Centers for AIDS Research Network of Clinical Information Systems. Brief Report: Differences in Types of Myocardial Infarctions Among People Aging With HIV. Journal of acquired immune deficiency syndromes (1999) 2021. PMID: 33433123


  62. Fredericksen RJ, Gibbons LE, Fitzsimmons E, Nance RM, Schafer KR, Batey DS, Loo S, Dougherty S, Mathews WC, Christopoulos K, Mayer KH, Mugavero MJ, Kitahata MM, Crane PK, Crane HM. Impact and correlates of sub-optimal social support among patients in HIV care. AIDS care 2021. PMID: 33443445


  63. Blake Hansen, Tao Liu, Lauri Bazerman, Mari-Lynn Drainoni, Fizza S Gillani, Edward Cachay, Katerina Christopoulos, Heidi Crane, Mari Kitahata, Kenneth H Mayer, Richard Moore, Sonia Napravnik, Aadia Rana, Benigno Rodriguez, Curt Beckwith. 994. Risk for Viral Rebound in the Era of U=U; A CNICS Analysis. Open forum infectious diseases 2020. PMID:


  64. Dionne-Odom J, Westfall AO, Dombrowski JC, Kitahata MM, Crane HM, Mugavero MJ, Moore RD, Karris M, Christopoulos K, Geng E, Mayer KH, Marrazzo J. Intersecting Epidemics: Incident Syphilis and Drug Use in Women Living with HIV in the United States (2005-2016). Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2019. PMID: 31712815


  65. Dauria EF, Levine A, Hill SV, Tolou-Shams M, Christopoulos K. Multilevel Factors Shaping Awareness of and Attitudes Toward Pre-exposure Prophylaxis for HIV Prevention among Criminal Justice-Involved Women. Archives of sexual behavior 2020. PMID: 33236275


  66. Christopoulos KA, Neilands TB, Dilworth S, Lisha N, Sauceda J, Mugavero MJ, Crane HM, Fredericksen RJ, Mathews WC, Moore RD, Mayer KH, Napravnik S, Johnson MO. Internalized HIV stigma predicts subsequent viremia in US HIV patients through depressive symptoms and antiretroviral therapy adherence. AIDS (London, England) 2020. PMID: 32769764


  67. Herrera S, Fernandez-Felix BM, Hunt PW, Deeks SG, Sainz T, Heath SL, Achenbach CJ, Rodríguez B, Mathews C, Christopoulos K, Mayer K, Napravnik S, Moreno S, Serrano-Villar S. Impact of first-line antiretroviral therapy regimens on the restoration of the CD4/CD8 ratio in the CNICS cohort. The Journal of antimicrobial chemotherapy 2020. PMID: 32211777


  68. Sauceda JA, Lisha NE, Dilworth SE, Johnson MO, Christopoulos KA, Wood T, Koester KA, Mathews WC, Moore RD, Napravnik S, Mayer KH, Crane HM, Fredericksen RJ, Mugavero MJ, Neilands TB. Measuring engagement in HIV care: Measurement invariance in three racial/ethnic patient groups. Health psychology : official journal of the Division of Health Psychology, American Psychological Association 2020. PMID: 32281823


  69. Fredericksen RJ, Fitzsimmons E, Gibbons LE, Loo S, Dougherty S, Avendano-Soto S, Anderson WA, Gutierrez C, Shurbaji S, Burleson S, Christopoulos K, Poceta J, Mayer KH, Mugavero MJ, Mathews WC, Crane PK, Crane HM. How Do Treatment Priorities Differ Between Patients in HIV Care and Their Providers? A Mixed-Methods Study. AIDS and behavior 2019. PMID: 31832854


  70. Beres LK, Simbeza S, Holmes CB, Mwamba C, Mukamba N, Sharma A, Munamunungu V, Mwachande M, Sikombe K, Bolton Moore C, Mody A, Koyuncu A, Christopoulos K, Jere L, Pry J, Ehrenkranz PD, Budden A, Geng E, Sikazwe I. Human-Centered Design Lessons for Implementation Science: Improving the Implementation of a Patient-Centered Care Intervention. Journal of acquired immune deficiency syndromes (1999) 2019. PMID: 31764259


  71. Christopoulos KA, Neilands TB, Hartogensis W, Geng EH, Sauceda J, Mugavero MJ, Crane HM, Fredericksen RJ, Moore RD, Mathews WC, Mayer KH, Chander G, Hurt CB, Johnson MO. Internalized HIV Stigma Is Associated With Concurrent Viremia and Poor Retention in a Cohort of US Patients in HIV Care. Journal of acquired immune deficiency syndromes (1999) 2019. PMID: 31513551


  72. Riley ED, Vittinghoff E, Koss CA, Christopoulos KA, Clemenzi-Allen A, Dilworth SE, Carrico AW. Housing First: Unsuppressed Viral Load Among Women Living with HIV in San Francisco. AIDS and behavior 2019. PMID: 31324996


  73. Fredericksen RJ, Fitzsimmons E, Gibbons LE, Dougherty S, Loo S, Shurbaji S, Batey DS, Avendano-Soto S, Mathews WC, Christopoulos K, Mayer KH, Mugavero MJ, Crane PK, Crane HM. Development and content validation of the Multifactoral assessment of perceived social support (MAPSS), a brief, patient-reported measure of social support for use in HIV care. AIDS care 2019. PMID: 31189333


  74. Hutton HE, Lesko CR, Li X, Thompson CB, Lau B, Napravnik S, Mayer KH, Mathews WC, McCaul ME, Crane HM, Fredericksen RJ, Cropsey KL, Saag M, Christopoulos K, Chander G. Alcohol Use Patterns and Subsequent Sexual Behaviors Among Women, Men who have Sex with Men and Men who have Sex with Women Engaged in Routine HIV Care in the United States. AIDS and behavior 2018. PMID: 30443807


  75. Johnson MO, Neilands TB, Koester KA, Wood T, Sauceda JA, Dilworth SE, Mugavero MJ, Crane HM, Fredericksen RJ, Mayer KH, Mathews WC, Moore RD, Napravnik S, Christopoulos KA. Detecting Disengagement from HIV Care Before It's Too Late: Development and Preliminary Validation of a Novel Index of Engagement in HIV Care. Journal of acquired immune deficiency syndromes (1999) 2019. PMID: 30865180


  76. Coffey S, Bacchetti P, Sachdev D, Bacon O, Jones D, Ospina-Norvell C, Torres S, Lynch E, Camp C, Mercer-Slomoff R, Lee S, Christopoulos K, Pilcher C, Hsu L, Jin C, Scheer S, Havlir D, Gandhi M. RAPID antiretroviral therapy: high virologic suppression rates with immediate antiretroviral therapy initiation in a vulnerable urban clinic population. AIDS (London, England) 2019. PMID: 30882490


  77. Koester KA, Johnson MO, Wood T, Fredericksen R, Neilands TB, Sauceda J, Crane HM, Mugavero MJ, Christopoulos KA. The influence of the 'good' patient ideal on engagement in HIV care. PloS one 2019. PMID: 30921440


  78. Clemenzi-Allen A, Neuhaus J, Geng E, Sachdev D, Buchbinder S, Havlir D, Gandhi M, Christopoulos K. Housing Instability Results in Increased Acute Care Utilization in an Urban HIV Clinic Cohort. Open forum infectious diseases 2019. PMID: 31139668


  79. Kay ES, Batey DS, Westfall AO, Christopoulos K, Cole SR, Geng EH, Mathews WC, Moore RD, Mugavero MJ. Compound Retention in Care and All-Cause Mortality Among Persons Living With Human Immunodeficiency Virus. Open forum infectious diseases 2019. PMID: 31041339


  80. Fojo AT, Lesko CR, Calkins KL, Moore RD, McCaul ME, Hutton HE, Mathews WC, Crane H, Christopoulos K, Cropsey K, Mugavero MJ, Mayer K, Pence BW, Lau B, Chander G. Do Symptoms of Depression Interact with Substance Use to Affect HIV Continuum of Care Outcomes? AIDS and behavior 2018. PMID: 30269230


  81. Clemenzi-Allen A, Hartogensis W, Cohen SE, Gandhi M, Geng E, Christopoulos K. Evaluating the Impact of Housing Status on Gonorrhea and Chlamydia Screening in an HIV Primary Care Setting. Sexually transmitted diseases 2018. PMID: 30383619


  82. Pence BW, Bengtson AM, Boswell S, Christopoulos KA, Crane HM, Geng E, Keruly JC, Mathews WC, Mugavero MJ. Who Will Show? Predicting Missed Visits Among Patients in Routine HIV Primary Care in the United States. AIDS and behavior 2018. PMID: 30006790


  83. Bengtson AM, Pence BW, Mimiaga MJ, Gaynes BN, Moore R, Christopoulos K, O'Cleirigh C, Grelotti D, Napravnik S, Crane H, Mugavero M. Depressive Symptoms and Engagement in HIV Care following ART Initiation. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2018. PMID: 29901695


  84. Greene ML, Tan JY, Weiser SD, Christopoulos K, Shiels M, O'Hollaren A, Mureithi E, Meissner L, Havlir D, Gandhi M. Patient and provider perceptions of a comprehensive care program for HIV-positive adults over 50 years of age: The formation of the Golden Compass HIV and aging care program in San Francisco. PloS one 2018. PMID: 30517193


  85. Sauceda JA, Lisha NE, Neilands TB, Christopoulos KA, Mathews WC, Levison JH, Dennis AM, Johnson MO. Cognitive-affective depressive symptoms and substance use among Latino and non-Latino White patients in HIV care: an analysis of the CFAR network of integrated clinical systems cohort. Journal of behavioral medicine 2018. PMID: 30377875


  86. Bengtson AM, Pence BW, Powers KA, Weaver MA, Mimiaga MJ, Gaynes BN, O'Cleirigh C, Christopoulos K, Christopher Mathews W, Crane H, Mugavero M. Trajectories of Depressive Symptoms Among a Population of HIV-Infected Men and Women in Routine HIV Care in the United States. AIDS and behavior 2018. PMID: 29623578


  87. Merlin JS, Long D, Becker WC, Cachay ER, Christopolous KA, Claborn K, Crane HM, Edelman EJ, Harding R, Kertesz SG, Liebschutz JM, Mathews WC, Mugavero MJ, Napravnik S, O'Cleirigh C, Saag MS, Starrels JL, Gross R. The Association of Chronic Pain and Long-Term Opioid Therapy with HIV Treatment Outcomes. Journal of acquired immune deficiency syndromes (1999) 2018. PMID: 29771793


  88. Nance RM, Delaney JAC, Simoni JM, Wilson IB, Mayer KH, Whitney BM, Aunon FM, Safren SA, Mugavero MJ, Mathews WC, Christopoulos KA, Eron JJ, Napravnik S, Moore RD, Rodriguez B, Lau B, Fredericksen RJ, Saag MS, Kitahata MM, Crane HM. HIV Viral Suppression Trends Over Time Among HIV-Infected Patients Receiving Care in the United States, 1997 to 2015: A Cohort Study. Annals of internal medicine 2018. PMID: 30140916


  89. Christopoulos KA, Riley ED, Carrico AW, Tulsky J, Moskowitz JT, Dilworth S, Coffin LS, Wilson L, Peretz JJ, Hilton JF. A Randomized Controlled Trial of a Text Messaging Intervention to Promote Virologic Suppression and Retention in Care in an Urban Safety-Net HIV Clinic: The Connect4Care (C4C) Trial. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2018. PMID: 29474546


  90. Wood TJ, Koester KA, Christopoulos KA, Sauceda JA, Neilands TB, Johnson MO. If someone cares about you, you are more apt to come around: improving HIV care engagement by strengthening the patient-provider relationship. Patient preference and adherence 2018. PMID: 29872277


  91. Beckwith CG, Kuo I, Fredericksen RJ, Brinkley-Rubinstein L, Cunningham WE, Springer SA, Loeliger KB, Franks J, Christopoulos K, Lorvick J, Kahana SY, Young R, Seal DW, Zawitz C, Delaney JA, Crane HM, Biggs ML. Risk behaviors and HIV care continuum outcomes among criminal justice-involved HIV-infected transgender women and cisgender men: Data from the Seek, Test, Treat, and Retain Harmonization Initiative. PloS one 2018. PMID: 29787580


  92. Rudolph JE, Cole SR, Edwards JK, Moore R, O'Cleirigh C, Mathews WC, Christopoulos K. At-Risk Alcohol Use Among HIV-Positive Patients and the Completion of Patient-Reported Outcomes. Volume 22 of Issue 4. AIDS and behavior 2018. PMID: 28620802


  93. Brinkley-Rubinstein L, Dauria E, Tolou-Shams M, Christopoulos K, Chan PA, Beckwith CG, Parker S, Meyer J. The Path to Implementation of HIV Pre-exposure Prophylaxis for People Involved in Criminal Justice Systems. Current HIV/AIDS reports 2018. PMID: 29516265


  94. Matsuzaki M, Vu QM, Gwadz M, Delaney JAC, Kuo I, Trejo MEP, Cunningham WE, Cunningham CO, Christopoulos K. Perceived access and barriers to care among illicit drug users and hazardous drinkers: findings from the Seek, Test, Treat, and Retain data harmonization initiative (STTR). BMC public health 2018. PMID: 29554894


  95. Clemenzi-Allen A, Geng E, Christopoulos K, Hammer H, Buchbinder S, Havlir D, Gandhi M. Degree of Housing Instability Shows Independent "Dose-Response" With Virologic Suppression Rates Among People Living With Human Immunodeficiency Virus. Open forum infectious diseases 2018. PMID: 29577059


  96. Johnson MO, Koester KA, Wood T, Neilands TB, Pomeranz JL, Christopoulos KA. Development of an Index of Engagement in HIV Care: An Adapted Internet-Based Delphi Process. Volume 6 of Issue 12. JMIR research protocols 2017. PMID: 29208589


  97. Christopoulos KA, Cunningham WE, Beckwith CG, Kuo I, Golin CE, Knight K, Flynn PM, Spaulding AC, Coffin LS, Kruszka B, Kurth A, Young JD, Mannheimer S, Crane HM, Kahana SY. Lessons Learned From the Implementation of Seek, Test, Treat, Retain Interventions Using Mobile Phones and Text Messaging to Improve Engagement in HIV Care for Vulnerable Populations in the United States. Volume 21 of Issue 11. AIDS and behavior 2017. PMID: 28578543


  98. Crane HM, McCaul ME, Chander G, Hutton H, Nance RM, Delaney JAC, Merrill JO, Lau B, Mayer KH, Mugavero MJ, Mimiaga M, Willig JH, Burkholder GA, Drozd DR, Fredericksen RJ, Cropsey K, Moore RD, Simoni JM, Christopher Mathews W, Eron JJ, Napravnik S, Christopoulos K, Geng E, Saag MS, Kitahata MM. Prevalence and Factors Associated with Hazardous Alcohol Use Among Persons Living with HIV Across the US in the Current Era of Antiretroviral Treatment. Volume 21 of Issue 7. AIDS and behavior 2017. PMID: 28285434


  99. Kim HN, Crane HM, Rodriguez CV, Van Rompaey S, Mayer KH, Christopoulos K, Napravnik S, Chander G, Hutton H, McCaul ME, Cachay ER, Mugavero MJ, Moore R, Geng E, Eron JJ, Saag MS, Merrill JO, Kitahata MM. The Role of Current and Historical Alcohol Use in Hepatic Fibrosis Among HIV-Infected Individuals. Volume 21 of Issue 7. AIDS and behavior 2017. PMID: 28035496


  100. Bengtson AM, Pence BW, Moore R, Mimiaga MJ, Mathews WC, Heine A, Gaynes BN, Napravnik S, Christopoulos K, Crane HM, Mugavero MJ. Relationship between ever reporting depressive symptoms and all-cause mortality in a cohort of HIV-infected adults in routine care. Volume 31 of Issue 7. AIDS (London, England) 2017. PMID: 28244956


  101. Christopoulos KA, Hartogensis W, Glidden DV, Pilcher CD, Gandhi M, Geng EH. Limitations of using the Lorenz curve framework to understand the distribution of population viral load: authors' reply. Volume 31 of Issue 5. AIDS (London, England) 2017. PMID: 28225455


  102. Noorhasan M, Drozd DR, Grunfeld C, Merrill JO, Burkholder GA, Mugavero MJ, Willig JH, Willig AL, Cropsey KL, Mayer KH, Blashill A, Mimiaga M, McCaul ME, Hutton H, Chander G, Mathews WC, Napravnik S, Eron JJ, Christopoulos K, Fredericksen RJ, Nance RM, Delaney JC, Crane PK, Saag MS, Kitahata MM, Crane HM. Associations Between At-Risk Alcohol Use, Substance Use, and Smoking with Lipohypertrophy and Lipoatrophy Among Patients Living with HIV. AIDS research and human retroviruses 2017. PMID: 28092168


  103. Cholera R, Pence BW, Bengtson AM, Crane HM, Christopoulos K, Cole SR, Fredericksen R, Gaynes BN, Heine A, Mathews WC, Mimiaga MJ, Moore R, Napravnik S, O'Clerigh C, Safren S, Mugavero MJ. Mind the Gap: Gaps in Antidepressant Treatment, Treatment Adjustments, and Outcomes among Patients in Routine HIV Care in a Multisite U.S. Clinical Cohort. Volume 12 of Issue 1. PloS one 2017. PMID: 28125593


  104. Christopoulos KA, Hartogensis W, Glidden DV, Pilcher CD, Gandhi M, Geng EH. The Lorenz curve: a novel method for understanding viral load distribution at the population level. Volume 31 of Issue 2. AIDS (London, England) 2017. PMID: 27831945


  105. Nance RM, Delaney JA, Golin CE, Wechsberg WM, Cunningham C, Altice F, Christopoulos K, Knight K, Quan V, Gordon MS, Springer S, Young J, Crane PK, Mayer KH, Mugavero MJ, Del Rio C, Kronmal RA, Crane HM. Co-calibration of two self-reported measures of adherence to antiretroviral therapy. Volume 29 of Issue 4. AIDS care 2016. PMID: 27910703


  106. Monroe AK, Lau B, Mugavero MJ, Mathews WC, Mayer KH, Napravnik S, Hutton HE, Kim HS, Jabour S, Moore RD, McCaul ME, Christopoulos KA, Crane HC, Chander G. Heavy Alcohol Use Is Associated With Worse Retention in HIV Care. Volume 73 of Issue 4. Journal of acquired immune deficiency syndromes (1999) 2016. PMID: 27243904


  107. Bengtson AM, Pence BW, Gaynes BN, Quinlivan EB, Heine AD, O'Donnell JK, Crane HM, Mathews WC, Moore RD, Westreich D, O'Cleirigh C, Christopoulos K, Mimiaga MJ, Mugavero MJ. Improving Depression Among HIV-Infected Adults: Transporting the Effect of a Depression Treatment Intervention to Routine Care. Volume 73 of Issue 4. Journal of acquired immune deficiency syndromes (1999) 2016. PMID: 27668804


  108. Bengtson AM, Pence BW, Crane HM, Christopoulos K, Fredericksen RJ, Gaynes BN, Heine A, Mathews WC, Moore R, Napravnik S, Safren S, Mugavero MJ. Disparities in Depressive Symptoms and Antidepressant Treatment by Gender and Race/Ethnicity among People Living with HIV in the United States. Volume 11 of Issue 8. PloS one 2016. PMID: 27513328


  109. Crane HM, Nance RM, Merrill JO, Hutton H, Chander G, McCaul ME, Mathews WC, Fredericksen R, Simoni JM, Mayer K, Mugavero MJ, Willig JH, Burkholder G, Drozd DR, Mimiaga M, Lau B, Kim HN, Cropsey K, Moore RD, Christopoulos K, Geng E, Eron JJ, Napravnik S, Kitahata MM, Saag MS, Delaney JA. Not all non-drinkers with HIV are equal: demographic and clinical comparisons among current non-drinkers with and without a history of prior alcohol use disorders. Volume 29 of Issue 2. AIDS care 2016. PMID: 27482893


  110. Christopoulos KA, Olender S, Lopez AM, Lekas HM, Jaiswal J, Mellman W, Geng E, Koester KA. Retained in HIV Care But Not on Antiretroviral Treatment: A Qualitative Patient-Provider Dyadic Study. Volume 12 of Issue 8. PLoS medicine 2015. PMID: 26263532


  111. Christopoulos KA, Scheer S, Steward WT, Barnes R, Hartogensis W, Charlebois ED, Morin SF, Truong HM, Geng EH. Examining clinic-based and public health approaches to ascertainment of HIV care status. Volume 69 Suppl 1. Journal of acquired immune deficiency syndromes (1999) 2015. PMID: 25867779


  112. Christopoulos KA, Riley ED, Tulsky J, Carrico AW, Moskowitz JT, Wilson L, Coffin LS, Falahati V, Akerley J, Hilton JF. A text messaging intervention to improve retention in care and virologic suppression in a U.S. urban safety-net HIV clinic: study protocol for the Connect4Care (C4C) randomized controlled trial. Volume 14. BMC infectious diseases 2014. PMID: 25551175


  113. Das M, Christopoulos KA, Geckeler D, Huriaux E, Cohen SE, Philip S, Shade S, Moss NJ, Morin SF, Charlebois ED. Linkage to HIV care in San Francisco: implications of measure selection. Volume 64 Suppl 1. Journal of acquired immune deficiency syndromes (1999) 2013. PMID: 24126446


  114. Christopoulos KA, Massey AD, Lopez AM, Hare CB, Johnson MO, Pilcher CD, Fielding H, Dawson-Rose C. Patient perspectives on the experience of being newly diagnosed with HIV in the emergency department/urgent care clinic of a public hospital. Volume 8 of Issue 8. PloS one 2013. PMID: 23991214


  115. Christopoulos KA, Havlir DV. Overcoming the human immunodeficiency virus obstacle course. Volume 173 of Issue 14. JAMA internal medicine 2013. PMID: 23778428


  116. Christopoulos KA, Massey AD, Lopez AM, Geng EH, Johnson MO, Pilcher CD, Fielding H, Dawson-Rose C. "Taking a half day at a time:" patient perspectives and the HIV engagement in care continuum. Volume 27 of Issue 4. AIDS patient care and STDs 2013. PMID: 23565926


  117. Christopoulos KA, Zetola NM, Klausner JD, Haller B, Louie B, Hare CB, Pandori M, Nassos P, Roemer M, Pilcher CD. Leveraging a rapid, round-the-clock HIV testing system to screen for acute HIV infection in a large urban public medical center. Volume 62 of Issue 2. Journal of acquired immune deficiency syndromes (1999) 2013. PMID: 23117503


  118. . Track C Epidemiology and Prevention Science. 2012. PMID:


  119. Geng EH, Hare CB, Kahn JO, Jain V, Van Nunnery T, Christopoulos KA, Deeks SG, Gandhi M, Havlir DV. The effect of a "universal antiretroviral therapy" recommendation on HIV RNA levels among HIV-infected patients entering care with a CD4 count greater than 500/µL in a public health setting. Volume 55 of Issue 12. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2012. PMID: 22955429


  120. Arnold EA, Hazelton P, Lane T, Christopoulos KA, Galindo GR, Steward WT, Morin SF. A qualitative study of provider thoughts on implementing pre-exposure prophylaxis (PrEP) in clinical settings to prevent HIV infection. Volume 7 of Issue 7. PloS one 2012. PMID: 22792384


  121. Christopoulos KA, Weiser SD, Koester KA, Myers JJ, White DA, Kaplan B, Morin SF. Understanding patient acceptance and refusal of HIV testing in the emergency department. Volume 12. BMC public health 2012. PMID: 22214543


  122. Geng EH, Kahn JS, Chang OC, Hare CB, Christopoulos KA, Jones D, Petersen ML, Deeks SG, Havlir DV, Gandhi M. The effect of AIDS Clinical Trials Group Protocol 5164 on the time from Pneumocystis jirovecii pneumonia diagnosis to antiretroviral initiation in routine clinical practice: a case study of diffusion, dissemination, and implementation. Volume 53 of Issue 10. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2011. PMID: 21960715


  123. Dowdy DW, Geng EH, Christopoulos KA, Kahn JS, Hare CB, Wlodarczyk D, Havlir DV. Mortality among antiretroviral-eligible patients in an urban public clinic. Volume 57 of Issue 4. Journal of acquired immune deficiency syndromes (1999) 2011. PMID: 21602697


  124. Geng EH, Glidden DV, Bwana MB, Musinguzi N, Emenyonu N, Muyindike W, Christopoulos KA, Neilands TB, Yiannoutsos CT, Deeks SG, Bangsberg DR, Martin JN. Retention in care and connection to care among HIV-infected patients on antiretroviral therapy in Africa: estimation via a sampling-based approach. Volume 6 of Issue 7. PloS one 2011. PMID: 21818265


  125. Facente SN, Pilcher CD, Hartogensis WE, Klausner JD, Philip SS, Louie B, Christopoulos KA, Dowling T, Colfax GN. Performance of risk-based criteria for targeting acute HIV screening in San Francisco. Volume 6 of Issue 7. PloS one 2011. PMID: 21755003


  126. Christopoulos KA, Kaplan B, Dowdy D, Haller B, Nassos P, Roemer M, Dowling T, Jones D, Hare CB. Testing and linkage to care outcomes for a clinician-initiated rapid HIV testing program in an urban emergency department. Volume 25 of Issue 7. AIDS patient care and STDs 2011. PMID: 21545296


  127. Christopoulos KA, Koester K, Weiser S, Lane T, Myers JJ, Morin SF. A comparative evaluation of the process of developing and implementing an emergency department HIV testing program. Volume 6. Implementation science : IS 2011. PMID: 21450053


  128. Christopoulos KA, Das M, Colfax GN. Linkage and retention in HIV care among men who have sex with men in the United States. Volume 52 Suppl 2. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2011. PMID: 21342910


  129. Geng EH, Nash D, Kambugu A, Zhang Y, Braitstein P, Christopoulos KA, Muyindike W, Bwana MB, Yiannoutsos CT, Petersen ML, Martin JN. Retention in care among HIV-infected patients in resource-limited settings: emerging insights and new directions. Volume 7 of Issue 4. Current HIV/AIDS reports 2010. PMID: 20820972


  130. Pilcher CD, Christopoulos KA, Golden M. Public health rationale for rapid nucleic acid or p24 antigen tests for HIV. Volume 201 Suppl 1. The Journal of infectious diseases 2010. PMID: 20225950


  131. Christopoulos KA, Schackman BR, Lee G, Green RA, Morrison EA. Results from a New York City emergency department rapid HIV testing program. Volume 53 of Issue 3. Journal of acquired immune deficiency syndromes (1999) 2010. PMID: 20190591


  132. Chen-Plotkin AS, Christopoulos KA, Venna N. Demyelinating polyneuropathy and herpes simplex lumbosacral radiculitis in a patient with chronic HIV infection. Volume 21 of Issue 12. AIDS (London, England) 2007. PMID: 17630572


  133. McGovern BH, Ditelberg JS, Taylor LE, Gandhi RT, Christopoulos KA, Chapman S, Schwartzapfel B, Rindler E, Fiorino AM, Zaman MT, Sax PE, Graeme-Cook F, Hibberd PL. Hepatic steatosis is associated with fibrosis, nucleoside analogue use, and hepatitis C virus genotype 3 infection in HIV-seropositive patients. Volume 43 of Issue 3. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2006. PMID: 16804853


  134. . Book Review. 2005. PMID: