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1.  Overcoming Biological, Behavioral and Structural Vulnerabilities: New Directions in Research to Decrease HIV Transmission in Men who have Sex with Men 
Men who have sex with men, including transgender women, comprise a heterogeneous group of individuals, whose sexual behaviors and gender identities may varying widely between cultures and among individuals. Their sources of increased vulnerability to HIV are diverse, including the increased efficiency of HIV transmission via unprotected anal intercourse, sexual role versatility, asymptomatic sexually transmitted infections, as well as behavioral factors that may be associated with condomless sex with multiple partners. Societal stigmatization of homosexual behavior and gender non-conformity may result in internalized negative feelings that lead to depression, other affective disorders, and substance use, which in turn are associated with increased risk taking behaviors. Social stigma and punitive civil environments may lead to delays in seeking HIV and STD screening, and later initiation of antiretroviral therapy. The iPrEX study demonstrated that chemoprophylaxis can decrease HIV acquisition in MSM, and the HPTN 052 study established the biological plausibility that earlier initiation of HAART can decrease HIV transmission to uninfected partners. Despite these advances, MSM remain among the most significantly HIV-affected population in resource rich and limited settings. New studies will integrate enhanced understanding of the biology of enhanced rectal transmission of HIV and the focused use of antiretrovirals for prevention with culturally-tailored approaches that address the potentiating social and behavioral factors associated with enhanced HIV spread among MSM.
doi:10.1097/QAI.0b013e318298700e
PMCID: PMC3740716  PMID: 23764630
Men who have sex with men; Transgender Women; HIV Prevention; HIV Transmission
2.  Addressing HIV prevention research priorities in the United States 
More than half a million Americans became newly infected with HIV in the first decade of the new millennium. The domestic epidemic has had the heaviest impact on men who have sex with men (MSM) and people from racial and ethnic minority populations, particularly African-Americans. For example, Black MSM represent <1% of the U.S. population but 25% of the new HIV cases, as per CDC estimates published in 2008. While Black and Hispanic women constitute 24% of all U.S. women, they accounted for 82% of HIV cases in women in 2005, based on data from 33 states with confidential name-based reporting. There is a nearly 23-fold higher rate of AIDS diagnoses for Black women (45.5/100,000 women) and nearly 6-fold higher rate for Hispanic women (11.2/100,000) compared to the rate for white women (2.0/100,000). Investigators from the HIV Prevention Trials Network (HPTN), an NIH-sponsored collaborative clinical trials group, have crafted a domestic research agenda with community input. Two new domestic studies are in progress (2009) and a community-based clinical trial feasibility effort is in development (2010 start date). These studies focus on outreach, testing, and treatment of infected persons as a backbone for HIV prevention. Reaching persons not receiving health message and service with novel approaches to both prevention and care/treatment is an essential priority for HIV control in the U.S.; our research is designed to guide the best approaches and assess the impact of bridging treatment and prevention.
doi:10.1086/651485
PMCID: PMC2862583  PMID: 20397942
HIV; prevention; United States; homosexual; women; transmission; antiretroviral treatment; black; Hispanic
3.  Rapid HIV Testing in Transgender Communities by Community-Based Organizations in Three Cities 
Public Health Reports  2008;123(Suppl 3):101-114.
SYNOPSIS
Objectives.
This article describes the demographic and behavioral characteristics, human immunodeficiency virus (HIV) testing history, and results of HIV testing of transgender (TG) people recruited for rapid HIV testing by -community-based organizations (CBOs) in three cities.
Methods.
CBOs in Miami Beach, Florida, New York City, and San Francisco offered TG people rapid HIV testing and prevention services, and conducted a brief survey. Participants were recruited in outreach settings using various strategies. The survey collected information on demographic characteristics, HIV risk behaviors, and HIV testing history.
Results.
Among 559 male-to-female (MTF) TG participants, 12% were newly diagnosed with HIV infection. None of the 42 female-to-male participants were newly diagnosed with HIV. A large proportion of MTF TG participants reported high-risk behaviors in the past year, including 37% who reported unprotected receptive anal intercourse and 44% who reported commercial sex work. Several factors were independently associated with increased likelihood of being newly diagnosed with HIV infection among MTF TG participants, including having a partner of unknown HIV status in the past year; being 20–29 or ≥40 years of age; having last been tested for HIV more than 12 months ago; and having been recruited at the New York City site.
Conclusions.
Based on the high proportion of undiagnosed HIV infection among those tested, TG people represent an important community for enhanced HIV testing and prevention efforts. MTF TG people should be encouraged to have an HIV test at least annually or more often if indicated, based upon clinical findings or risk behaviors. Efforts should continue for developing novel strategies to overcome barriers and provide HIV testing and prevention services to TG people.
PMCID: PMC2567010  PMID: 19166094

Results 1-3 (3)