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Knowledge and attitudes of syphilis and syphilis pre-exposure prophylaxis (PrEP) among men who have sex with men in Vancouver, Canada: a qualitative study.

ABSTRACT: OBJECTIVES:In British Columbia, Canada, syphilis is at record-high rates, with over 80% of cases in 2017 seen in gay, bisexual and other men who have sex with men (GBM). The syphilis epidemic is of particular concern for those living with HIV, since syphilis may lead to more serious complications in this population. We sought to explore syphilis-related knowledge and attitudes around biomedical prevention options for syphilis, with the goal of informing effective strategies to prevent syphilis. DESIGN:We conducted a qualitative study consisting of in-depth, individual interviews from December 2016 to June 2017. Our interviews focused on participants' knowledge about syphilis and perceptions regarding syphilis pre-exposure prophylaxis (PrEP). Interviews were analysed using Grounded Theory. PARTICIPANTS:Twenty-five GBM were interviewed (64% white; median age: 43 years), including men living with HIV and/or with a history of syphilis. SETTING:Vancouver, British Columbia. RESULTS:Five interrelated themes emerged. First, GBM were aware of the local syphilis epidemic. Second, syphilis-related knowledge differed according to syphilis and HIV serostatus. Third, competing ideas emerged regarding men's concerns about syphilis. While our participants expressed concern about getting syphilis, they also described the importance of sexual pleasure. Fourth, many participants said that syphilis was not perceived to be alarming; preventing HIV infection remained a primary concern for many. Finally, while syphilis PrEP was appealing to those living with HIV or a prior syphilis diagnosis, others were concerned about antibiotic resistance, cost and side effects. CONCLUSIONS:Our participants organised their safer sex strategies around HIV, not syphilis. Although syphilis-related knowledge was relatively high among GBM living with HIV and those with a prior syphilis diagnosis, this knowledge did not appear to be related with safer sexual practices, such as increased condom use. This work highlights the importance of examining other potential prevention solutions, such as syphilis PrEP.

SUBMITTER: Nath R

PROVIDER: S-EPMC6886914 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundOptimising HIV pre-exposure prophylaxis (PrEP) provision requires insight into preferences of PrEP regimens and PrEP discontinuation. We assessed regimen switching and discontinuation and their determinants among men who have sex with men (MSM) participating in the Amsterdam PrEP demonstration project.MethodsBetween 3-August-2015 and 31-May-2016, we enrolled MSM (n = 374) and TGP (n = 2) in a prospective, longitudinal study. Participants could choose between daily or event-driven PrEP regimens at enrolment and every 3 months. We assessed transition intensities (TI) and determinants of switching (i) between regimens, and (ii) from either regimen to discontinuing PrEP using a multi-state Markov model. PrEP discontinuation was defined as formally stopping study participation or having no study visit for ≥6 months.FindingsOf 367 analysed participants, 73·3% chose daily and 26·7% event-driven PrEP at enrolment. Median follow-up was 3·1 years (IQR 2·9-3·2). 121 participants switched their PrEP regimen at least once (cumulative probability 34·2%, 95% CI 29·4-39·6), with 90 switches from event-driven to daily PrEP (TI 0·35/PY, 95% CI 0·29-0·44) and 113 switches from daily to event-driven PrEP (TI 0·16/PY, 95% CI 0·13-0·20). Switching from event-driven to daily PrEP was associated with younger age, not reporting sex with HIV-positive partners, chemsex, and sexual compulsivity. Switching from daily to event-driven PrEP were associated with younger age and lower sexual satisfaction. 67 participants discontinued PrEP (cumulative probability 17·7%, 95% CI 14·1-22·2), with no difference between regimens: event-driven (n = 23, TI 0·08/PY, 95% CI 0·05-0·13) and daily PrEP (n = 44, TI 0·06/PY, 95% CI 0·04-0·08). Discontinuing daily PrEP was associated with younger age, fewer casual partners, and higher number of condomless anal sex acts with casual partners.InterpretationSwitching between PrEP regimens was common, while going from event-driven to daily PrEP use was associated with certain sexual-related determinants (i.e. chemsex, sexual compulsivity, no known HIV-positive partners). PrEP discontinuation rates were low and independent of regimens. PrEP care should consider the reasons for choice and switch of regimen and involve education on safely switching or discontinuing PrEP, especially among younger MSM.FundingZonMw, H-TEAM, RIVM, GGD research funds, Aidsfonds, Amsterdam Diner Foundation, Gilead Sciences, Gilead Sciences Europe Ltd, Janssen Pharmaceuticals, MAC AIDS Fund, ViiV Healthcare.

Project description:The FDA approval of emtricitabine/tenofovir disoproxil fumarate for pre-exposure prophylaxis (PrEP) in 2012 has raised questions about the delivery of PrEP in a real-world setting. iPad-based questionnaires were given to providers at conferences in California and New York to assess knowledge, experience and attitudes regarding PrEP in HIV and non-HIV providers. HIV provider status was defined either by self-identification or by having greater than 5 years of HIV care experience. Knowledge scores were the sum of correct answers from five PrEP knowledge questions. Univariate analyses used t-test to compare knowledge scores and Fisher's exact test for past or future PrEP prescription between HIV and non-HIV providers. Multivariable linear or logistic regression models were used to assess factors associated with the outcomes. Of 233 respondents, the mean age was 40 years, 59 % were White, 59 % were physicians and 52 % were HIV providers. In univariate analysis, mean PrEP knowledge scores (max 5) were significantly higher for HIV providers (2.8 versus 2.2; p < 0.001), age > 41 (mean 2.8 versus 2.3; p = 0.004), White race (2.7 versus 2.2; p = 0.026) and participants in the New York region (3.0 versus 2.3; p < 0.001). In a multivariable model of knowledge scores, all but age remained significant. Among 201 potential prescribers, the rate of prior PrEP prescription was higher among HIV providers than non-HIV providers (34 versus 9 %; p < 0.001) and by knowledge score, but the association with provider status was no longer significant in multivariable analysis that controlled for knowledge. Intent to prescribe PrEP in the future was high for all provider types (64 %) and was associated with knowledge scores in multivariable analysis. The most common concerns about PrEP (>40 % of providers) were drug toxicities, development of resistance and patient adherence to follow-up; 32 % identified risk compensation as a concern. HIV providers had significantly greater PrEP knowledge than non-HIV providers, but differences by provider type in past PrEP prescription were largely dependent on knowledge. Future PrEP prescription was also associated with knowledge, though all providers expressed greater future use. Education of potential PrEP providers will be a key component of successful PrEP implementation.

Project description:Introduction/objectivesPre-exposure prophylaxis (PrEP) use in the southern United States is low despite its effectiveness in preventing HIV acquisition and high regional HIV prevalence. Our objectives were to assess PrEP knowledge, attitudes, and prescribing practices among Tennessee primary care providers.MethodsWe developed an anonymous cross-sectional electronic survey from March to November 2019. Survey development was guided by the Capability, Opportunity, Motivation, and Behavior framework and refined through piloting and interviews. Participants included members of professional society and health center listservs licensed to practice in Tennessee. Respondents were excluded if they did not complete the question regarding PrEP prescription in the previous year or were not in a position to prescribe PrEP (e.g., hospital medicine). Metrics included PrEP prescription in the preceding year, PrEP knowledge scores (range 0-8), provider attitudes about PrEP, and provider and practice characteristics. Knowledge scores and categorical variables were compared across PrEP prescriber status with Wilcoxon rank-sum and Fisher's exact tests, respectively.ResultsOf 147 survey responses, 99 were included and 43 (43%) reported PrEP prescription in the preceding year. Compared with non-prescribers: prescribers had higher median PrEP knowledge scores (7.3 vs 5.6, P < .01), a higher proportion had self-reported patient PrEP inquiries (95% vs 21%, P < .01), and a higher proportion had self-reported good or excellent ability to take a sexual history (83% vs 58%, P = .01) and comfort taking a sexual history (92% vs 63%, P < .01) from men who have sex with men, a subgroup with high HIV risk. Most respondents felt obligated to provide PrEP (65%), and felt all primary care providers should provide PrEP (63%).ConclusionPrEP provision is significantly associated with PrEP knowledge, patient PrEP inquiries, and provider sexual history taking ability and comfort. Future research should evaluate temporal relationships between these associations and PrEP prescription as potential routes to increase PrEP provision.

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Knowledge and attitudes of syphilis and syphilis pre-exposure prophylaxis (PrEP) among men who have sex with men in Vancouver, Canada: a qualitative study.

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