Jonathan E. Volk
University of California, San Francisco
28 Papers
241 Citations
Jonathan E. Volk is an academic researcher from University of California, San Francisco. The author has contributed to research in topics: Pre-exposure prophylaxis & Men who have sex with men. The author has an hindex of 19, co-authored 28 publications. Previous affiliations of Jonathan E. Volk include Stanford University & Kaiser Permanente.
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Papers
No New HIV Infections With Increasing Use of HIV Preexposure Prophylaxis in a Clinical Practice Setting
Jonathan E. Volk,Julia L. Marcus,Tony Phengrasamy,Derek R. Blechinger,Dong Phuong Nguyen,Stephen Follansbee,C. Bradley Hare +6 more
TL;DR: Referrals for and initiation of preexposure prophylaxis for human immunodeficiency virus infection increased dramatically in a large clinical practice setting since 2012 and there were no new HIV infections in this population.
Preexposure Prophylaxis for HIV Prevention in a Large Integrated Health Care System: Adherence, Renal Safety, and Discontinuation.
Julia L. Marcus,Leo B. Hurley,Charles Bradley Hare,Dong Phuong Nguyen,Tony Phengrasamy,Michael J. Silverberg,Juliet E. Stoltey,Jonathan E. Volk +7 more
TL;DR: PrEP adherence was high in clinical practice, consistent with the lack of HIV seroconversions during PrEP use, and strategies are needed to increase PrEP access during gaps in insurance coverage.
Social support, substance use, and denial in relationship to antiretroviral treatment adherence among HIV-infected persons.
Rachel Power,Cheryl Koopman,Jonathan E. Volk,Dennis Israelski,Louisa Stone,Margaret A. Chesney,David Spiegel +6 more
TL;DR: Examination of coping strategies showed that participants reporting drug and alcohol use to cope with HIV-related stress were more likely to be nonadherent, calling for adherence interventions designed to address barriers and strengths, such as community norms or traditional cultural values, specific to certain populations.
167
Use of electronic health record data and machine learning to identify candidates for HIV pre-exposure prophylaxis: a modelling study
Julia L. Marcus,Leo B. Hurley,Douglas S. Krakower,Douglas S. Krakower,Stacey E. Alexeeff,Michael J. Silverberg,Jonathan E. Volk +6 more
TL;DR: An HIV prediction model was developed and validated to identify potential PrEP candidates in a large health-care system and outperformed simpler models including only MSM status and STI positivity.
131
Risk Perception, Sexual Behaviors, and PrEP Adherence Among Substance-Using Men Who Have Sex with Men: a Qualitative Study
Erik D. Storholm,Jonathan E. Volk,Julia L. Marcus,Michael J. Silverberg,Derek D. Satre,Derek D. Satre +5 more
TL;DR: Overall reported use of condoms went down and many reported a brief period of increased condomless sex following PrEP initiation, while others continued condom use with most of their sexual partners.