L
Lorena Vargas
Publications - 4
Citations - 4424
Lorena Vargas is an academic researcher. The author has contributed to research in topics: Men who have sex with men & Pre-exposure prophylaxis. The author has an hindex of 4, co-authored 4 publications receiving 3944 citations.
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Journal ArticleDOI
Preexposure Chemoprophylaxis for HIV Prevention in Men Who Have Sex with Men
Robert M. Grant,Javier R. Lama,Peter L. Anderson,Vanessa McMahan,Albert Y. Liu,Lorena Vargas,Pedro Goicochea,Martin Casapia,Juan Vicente Guanira-Carranza,Maria Esther Ramirez-Cardich,Orlando Montoya-Herrera,Telmo Fernandez,Valdilea G. Veloso,Susan Buchbinder,Suwat Chariyalertsak,Mauro Schechter,Linda-Gail Bekker,Kenneth H. Mayer,Esper G. Kallas,K. Rivet Amico,Kathleen Mulligan,Lane R. Bushman,Robert J. Hance,Carmela Ganoza,Patricia Defechereux,Brian S. Postle,Furong Wang,J. Jeff McConnell,Jia-Hua Zheng,Jeanny Lee,James F. Rooney,Howard S. Jaffe,Ana Martinez,David N. Burns,David V. Glidden +34 more
TL;DR: Oral FTC-TDF provided protection against the acquisition of HIV infection among the subjects and Detectable blood levels strongly correlated with the prophylactic effect.
Journal ArticleDOI
Participant Experiences and Facilitators and Barriers to Pill Use Among Men Who Have Sex with Men in the iPrEx Pre-Exposure Prophylaxis Trial in San Francisco
Hailey J. Gilmore,Albert Y. Liu,Kimberly A. Koester,K. Rivet Amico,Vanessa McMahan,Pedro Goicochea,Lorena Vargas,David Lubensky,Susan Buchbinder,Robert M. Grant +9 more
TL;DR: Qualitative analyses indicate that participants joined the study out of altruism, and pill taking was facilitated by establishing or building on an existing routine, which facilitated pill taking and accurate reporting of missed doses.
Journal ArticleDOI
Supporting Study Product Use and Accuracy in Self-Report in the iPrEx Study: Next Step Counseling and Neutral Assessment
K. R. Amico,Vanessa McMahan,Pedro Goicochea,Lorena Vargas,Julia L. Marcus,Robert M. Grant,Albert Y. Liu +6 more
TL;DR: The development, implementation and evaluation of feasibility and acceptability of next-step counseling (NSC) and neutral assessment (NA), the adherence support and promotion of accurate reporting approaches used in the late phases of the iPrEx study are presented.
Journal ArticleDOI
Depression and Oral FTC/TDF Pre-exposure Prophylaxis (PrEP) Among Men and Transgender Women Who Have Sex With Men (MSM/TGW).
Patricia Defechereux,Megha Mehrotra,Albert Liu,Vanessa McMahan,David V. Glidden,Kenneth H. Mayer,Lorena Vargas,K. Rivet Amico,Piotr Chodacki,Telmo Fernandez,Vivian Iida Avelino-Silva,David N. Burns,Robert M. Grant,Robert M. Grant,Robert M. Grant +14 more
TL;DR: A longitudinal and cross-sectional analysis of depressive symptomology in iPrEx, a randomized, placebo-controlled trial of daily, oral FTC/TDF HIV pre-exposure prophylaxis (PrEP) in men and transgender women who have sex with men recommends continuing PrEP during periods of depression in conjunction with provision of mental health services.