Publications by authors named "Sam Griffith"

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Long-term follow-up of a randomised controlled trial of a brief home-based parenting intervention to reduce behavioural problems in young children.
Paul Ramchandani, Jack Elkes, Victoria Cornelius, Sarah Byford, Laura Oxley, Sam Griffith

J Child Psychol Psychiatry· September 2025

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HPTN 083-02: factors influencing adherence to injectable PrEP and retention in an injectable PrEP study.
Christina Psaros, Georgia R Goodman, Jasper S Lee, Whitney Rice, Colleen F Kelley, Sam Griffith

J Int AIDS Soc· May 2024

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Brief Report: How Do We Reach Men? Offering HIV Testing in Evenings and Weekends in the HPTN 071 (PopART) Community-Based Trial in South Africa.
Blia Yang, Rosa Sloot, Sian Floyd, Dolapo Awoniyi, Sam Griffith

J Acquir Immune Defic Syndr· August 2023

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Viral suppression and self-reported ART adherence after 3 years of universal testing and treatment in the HPTN 071 (PopART) community-randomised trial in Zambia and South Africa: a cross-sectional analysis.
David Macleod, Kwame Shanaube, Timothy Skalland, Mohammed Limbada, Nomtha Mandla, Sam Griffith

Lancet HIV· November 2022

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HIV testing and treatment coverage achieved after 4 years across 14 urban and peri-urban communities in Zambia and South Africa: An analysis of findings from the HPTN 071 (PopART) trial.
Sian Floyd, Kwame Shanaube, Blia Yang, Ab Schaap, Sam Griffith

PLoS Med· April 2020

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Effect of Universal Testing and Treatment on HIV Incidence - HPTN 071 (PopART).
Richard J Hayes, Deborah Donnell, Sian Floyd, Nomtha Mandla, Justin Bwalya, Sam Griffith

N Engl J Med· July 2019

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Towards 90-90: Findings after two years of the HPTN 071 (PopART) cluster-randomized trial of a universal testing-and-treatment intervention in Zambia.
Sian Floyd, Helen Ayles, Albertus Schaap, Kwame Shanaube, David MacLeod, Sam Griffith

PLoS One· February 2019

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Recruitment of Underrepresented Minority Researchers into HIV Prevention Research: The HIV Prevention Trials Network Scholars Program.
Sten H Vermund, Erica L Hamilton, Sam B Griffith, Larissa Jennings, Typhanye V Dyer

AIDS Res Hum Retroviruses· February 2018

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Understanding low sensitivity of community-based HIV rapid testing: experiences from the HPTN 071 (PopART) trial in Zambia and South Africa.
Peter Bock, Comfort Phiri, Estelle Piwowar-Manning, Barry Kosloff, Nomtha Mandla, Sam Griffith

J Int AIDS Soc· August 2017

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Analysis of HIV Diversity in HIV-Infected Black Men Who Have Sex with Men (HPTN 061).
Iris Chen, Gordon Chau, Jing Wang, William Clarke, Mark A Marzinke, Sam Griffith

PLoS One· July 2017

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Analysis of HIV Integrase Resistance in Black Men Who Have Sex with Men in the United States.
Iris Chen, Yinfeng Zhang, Vanessa Cummings, Gavin A Cloherty, Matthew Connor, Sam Griffith

AIDS Res Hum Retroviruses· July 2017

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What works - reaching universal HIV testing: lessons from HPTN 071 (PopART) trial in Zambia.
Kwame Shanaube, Ab Schaap, Sian Floyd, Mwelwa Phiri, Sam Griffith

AIDS· July 2017

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A universal testing and treatment intervention to improve HIV control: One-year results from intervention communities in Zambia in the HPTN 071 (PopART) cluster-randomised trial.
Richard Hayes, Sian Floyd, Ab Schaap, Kwame Shanaube, Peter Bock, Sam Griffith

PLoS Med· May 2017

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HIV-related stigma and universal testing and treatment for HIV prevention and care: design of an implementation science evaluation nested in the HPTN 071 (PopART) cluster-randomized trial in Zambia and South Africa.
James R Hargreaves, Anne Stangl, Virginia Bond, Graeme Hoddinott, Shari Krishnaratne, Sam Griffith

Health Policy Plan· December 2016

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Engaging, recruiting, and retaining black men who have sex with men in research studies: don't underestimate the importance of staffing--lessons learned from HPTN 061, the BROTHERS study.
Manya Magnus, Julie Franks, Sam Griffith, Michael P Arnold, Krista Goodman

J Public Health Manag Pract· September 2016

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CXCR4-using HIV variants in a cohort of Black men who have sex with men: HIV Prevention Trials Network 061.
Iris Chen, Wei Huang, Matthew B Connor, Arne Frantzell, Vanessa Cummings, Sam Griffith

HIV Clin Trials· July 2016

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Sexual Networks and HIV Risk among Black Men Who Have Sex with Men in 6 U.S. Cities.
Hong-Van Tieu, Ting-Yuan Liu, Sophia Hussen, Matthew Connor, Lei Wang, Sam Griffith

PLoS One· May 2016

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Antiretroviral Drug Use and HIV Drug Resistance Among HIV-Infected Black Men Who Have Sex With Men: HIV Prevention Trials Network 061.
Iris Chen, Matthew B Connor, William Clarke, Mark A Marzinke, Vanessa Cummings, Sam Griffith

J Acquir Immune Defic Syndr· August 2015

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HPTN 071 (PopART): a cluster-randomized trial of the population impact of an HIV combination prevention intervention including universal testing and treatment: mathematical model.
Anne Cori, Helen Ayles, Nulda Beyers, Ab Schaap, Sian Floyd, Sam Griffith

PLoS One· December 2014

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Low-level Viremia early in HIV infection.
Iris Chen, Vanessa Cummings, Jessica M Fogel, Mark A Marzinke, William Clarke, Sam Griffith

J Acquir Immune Defic Syndr· December 2014

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HPTN 071 (PopART): rationale and design of a cluster-randomised trial of the population impact of an HIV combination prevention intervention including universal testing and treatment - a study protocol for a cluster randomised trial.
Richard Hayes, Helen Ayles, Nulda Beyers, Kalpana Sabapathy, Sian Floyd, Sam Griffith

Trials· February 2014

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Nondisclosure of HIV status in a clinical trial setting: antiretroviral drug screening can help distinguish between newly diagnosed and previously diagnosed HIV infection.
Mark A Marzinke, William Clarke, Lei Wang, Vanessa Cummings, Ting-Yuan Liu, Sam Griffith

Clin Infect Dis· January 2014

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A post-trial assessment of factors influencing study drug adherence in a randomized biomedical HIV-1 prevention trial.
Shevin T Jacob, Jared M Baeten, James P Hughes, Jesús Peinado, Jing Wang, Sam Griffith

AIDS Behav· July 2011

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