Search Results - "Colfax, G."

Methamphetamine and sildenafil (Viagra) use are linked to unprotected receptive and insertive anal sex, respectively, in a sample of men who have sex with men by Mansergh, G, Shouse, R L, Marks, G, Guzman, R, Rader, M, Buchbinder, S, Colfax, G N

“…Objectives: There is evidence that methamphetamine and sildenafil (Viagra) use are associated with sexual risk behaviour among men who have sex with men (MSM)…”
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Club Drugs and HIV Infection: A Review by Mayer, Kenneth H., Colfax, Grant, Guzman, Robert

“…Club drug use is common among populations with human immunodeficiency virus (HIV) and populations at high risk for HIV infection. Club drugs have a myriad of…”
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Case Management Is Associated with Improved Antiretroviral Adherence and CD4+ Cell Counts in Homeless and Marginally Housed Individuals with HIV Infection by Kushel, M. B., Colfax, G., Ragland, K., Heineman, A., Palacio, H., Bangsberg, D. R.

“…Background. Case management (CM) coordinates care for persons with complex health care needs. It is not known whether CM is effective at improving biological…”
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Substance Use and Sexual Risk: A Participant- and Episode-level Analysis among a Cohort of Men Who Have Sex with Men by Colfax, Grant, Vittinghoff, Eric, Husnik, Marla J., McKirnan, David, Buchbinder, Susan, Koblin, Beryl, Celum, Connie, Chesney, Margaret, Huang, Yijian, Mayer, Kenneth, Bozeman, Sam, Judson, Franklyn N., Bryant, Kendall J., Coates, Thomas J.

“…Prior reports associating substance use with sexual risk behavior have generally used summary measures and have not adjusted for participants’ background…”
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The Circuit Party Men's Health Survey: findings and implications for gay and bisexual men by Mansergh, G, Colfax, GN, Marks, G, Rader, M, Guzman, R, Buchbinder, S

“…This study examined characteristics of gay and bisexual men who attend circuit parties, frequency of and motivations for attending parties, drug use and sexual…”
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Longitudinal patterns of methamphetamine, popper (amyl nitrite), and cocaine use and high-risk sexual behavior among a cohort of san francisco men who have sex with men by Colfax, Grant, Coates, Thomas J, Husnik, Marla J, Huang, Yijian, Buchbinder, Susan, Koblin, Beryl, Chesney, Margaret, Vittinghoff, Eric

“…Most prior studies examining drug use among men who have sex with men (MSM) have been cross-sectional or retrospective and have not determined whether periods…”
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Alcohol and drug use in the context of anal sex and other factors associated with sexually transmitted infections: results from a multi-city study of high-risk men who have sex with men in the USA by Mansergh, G, Flores, S, Koblin, B, Hudson, S, McKirnan, D, Colfax, G N

“…Men who have sex with men (MSM) who use alcohol and drugs are at especially high risk for sexually transmitted infections (STIs); more information is needed…”
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Aripiprazole for the treatment of methamphetamine dependence: A randomized, double-blind, placebo-controlled trial by Coffin, Phillip O, Santos, G, Das, M, Santos, D, Matheson, T, Gasper, J, Vittinghoff, E, Colfax, G

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'Less education' is associated with use and sharing of antiretroviral medications for prophylaxis of HIV infection by US men who have sex with men by Mansergh, G, Koblin, B, Colfax, G N, Flores, S A, Hudson, S M

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HIV is hyperendemic among men who have sex with men in San Francisco: 10-year trends in HIV incidence, HIV prevalence, sexually transmitted infections and sexual risk behaviour by Scheer, S, Kellogg, T, Klausner, J D, Schwarcz, S, Colfax, G, Bernstein, K, Louie, B, Dilley, J W, Hecht, J, Truong, H M, Katz, M H, McFarland, W

“…To evaluate trends in the HIV epidemic among men who have sex with men (MSM) in San Francisco and the implications for HIV prevention. An ecological approach…”
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Drug Use and Sexual Risk Behavior Among Gay and Bisexual Men Who Attend Circuit Parties: A Venue-Based Comparison by Colfax, Grant N, Mansergh, Gordon, Guzman, Robert, Vittinghoff, Eric, Marks, Gary, Rader, Melissa, Buchbinder, Susan

“…CONTEXT:HIV risk behavior among urban gay/bisexual men has recently increased. High-risk sexual activity and drug use may be particularly high during circuit…”
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'Barebacking' in a diverse sample of men who have sex with men by MANSERGH, Gordon, MARKS, Gary, COLFAX, Grant N, GUZMAN, Robert, RADER, Melissa, BUCHBINDER, Susan

“…To assess the prevalence of and factors associated with "Barebacking" as a sociocultural phenomenon in a sample of HIV-positive and -negative men who have sex…”
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Sexual risk behaviors and implications for secondary HIV transmission during and after HIV seroconversion by COLFAX, Grant N, BUCHBINDER, Susan P, CORNELISSE, Peter G. A, VITTINGHOFF, Eric, MAYER, Kenneth, CELUM, Connie

“…To determine the potential for secondary HIV transmission among newly HIV-infected men who have sex with men (MSM) during their HIV antibody seroconversion…”
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Communication of HIV viral load to guide sexual risk decisions with serodiscordant partners among San Francisco men who have sex with men by Guzman, R., Buchbinder, S., Mansergh, G., Vittinghoff, E., Marks, G., Wheeler, S., Colfax, G. N.

“…The objective of this study was to estimate frequency and correlates of discussing HIV viral load (VL) with serodiscordant sex partners to guide decisions…”
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What happened to home HIV test collection kits? Intent to use kits, actual use, and barriers to use among persons at risk for HIV infection by Colfax, G. N., Lehman, J. S., Bindman, A. B., Vittinghoff, E., Vranizan, K., Fleming, P. L., Chesney, M., Osmond, D., Hecht, F. M.

“…Through sequential cross-sectional surveys, we examined intent to use home HIV test collection kits, actual use and barriers to use among persons at high risk…”
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Negotiated Safety Relationships and Sexual Behavior Among a Diverse Sample of HIV-Negative Men Who Have Sex With Men by Guzman, Robert, Colfax, Grant N, Wheeler, Sarah, Mansergh, Gordon, Marks, Gary, Rader, Melissa, Buchbinder, Susan

“…OBJECTIVE:To examine the prevalence of negotiated safety (NS) in a diverse sample of HIV-negative men who have sex with men (MSM), characteristics of MSM…”
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Health benefits and risks of reporting HIV-infected individuals by name by Colfax, G N, Bindman, A B

“…With more treatment options emerging for human immunodeficiency virus (HIV) infection, the policy of reporting HIV-infected individuals by name merits…”
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Extended‐release naltrexone for methamphetamine dependence among men who have sex with men: a randomized placebo‐controlled trial by Coffin, Phillip O., Santos, Glenn‐Milo, Hern, Jaclyn, Vittinghoff, Eric, Santos, Deirdre, Matheson, Tim, Colfax, Grant, Batki, Steven L.

“…Background and aims Methamphetamine use is increasingly prevalent and associated with HIV transmission. Early‐phase human studies suggested naltrexone reduced…”
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Amphetamine-group substances and HIV by Colfax, Grant, Dr, Santos, Glenn-Milo, MPH, Chu, Priscilla, DrPH, Vittinghoff, Eric, PhD, Pluddemann, Andreas, MA, Kumar, Suresh, MD, Hart, Carl, PhD

“…Summary Amphetamine-group substances are used worldwide and are more prevalent than either cocaine or opioids. We reviewed published reports about…”
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Risk factors for HIV infection among men who have sex with men by KOBLIN, Beryl A, HUSNIK, Maria J, COLFAX, Grant, HUANG, Yijian, MADISON, Maria, MAYER, Kenneth, BARRESI, Patrick J, COATES, Thomas J, CHESNEY, Margaret A, BUCHBINDER, Susan

“…Risk factors for HIV acquisition were examined in a recent cohort of men who have sex with men (MSM). A longitudinal analysis of 4295 HIV-negative MSM enrolled…”
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