Pre-Exposure Prophylaxis Training among Medical Schools in the United States.
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SUBMITTER: Cooper RL
PROVIDER: S-EPMC8255559 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:PurposeThe number of individuals who have started a regimen for HIV pre-exposure prophylaxis (PrEP) in the United States is not well characterized but has been on the rise since 2012. This analysis assesses the distribution of PrEP use nationally and among subgroups.MethodsA validated algorithm quantifying tenofovir disoproxil fumarate/emtricitabine for PrEP in the United States was applied to a national prescription database to determine the quarterly prevalence of PrEP use. HIV diagnoses from 2016 were used as an epidemiological proxy for PrEP need. The PrEP-to-need ratio (PnR) was defined as the number of PrEP users divided by new HIV diagnoses.ResultsA total of 70,395 individuals used PrEP in the fourth quarter of 2017: 67,166 males and 3229 females. Nationally, prevalence of PrEP use was 26/100,000 (range across states per 100,000 [RAS/100k]: 4-73) and the PnR was 1.8 (RAS: 0.5-6.6). Prevalence of PrEP use among males and females, respectively, was 50/100,000 and 2/100,000 (RAS/100k: 7-143 and 0.3-7) and PnR was 2.1 and 0.4 (RAS: 0.6-7.1 and 0.1-4.0). Prevalence of PrEP use was lowest among individuals aged less than or equal to 24 and more than or equal to 55 years (15/100,000 and 6/100,000, RAS/100k: 1-45 and 0.4-14), with PnR 0.9 and 1.5 (RAS: 0.2-5.6 and 0.3-7.0). The Northeast had the highest PnR (3.3); the South had the lowest (1.0). States with Medicaid expansion had more than double the PnR than states without expansion.ConclusionsAvailable data suggest that females, individuals aged less than or equal to 24 years and residents of the South had lower levels of PrEP use relative to epidemic need. These results are ecological, and misclassification may attenuate results. PnR is useful for future assessments of HIV prevention strategy uptake.
| S-EPMC6286209 | biostudies-literature
Project description:BackgroundDaily, oral pre-exposure prophylaxis (PrEP) is an effective and safe prevention strategy for people at risk for HIV. However, prescription of PrEP has been limited for patients at the highest risk. Disparities in PrEP prescription are pronounced among racial and gender minority patients. A significant body of literature indicates that practicing healthcare providers have little awareness and knowledge of PrEP. Very little work has investigated the education about PrEP among health professionals in training.ObjectiveThe objective of this study was to compare health professions students' awareness of PrEP and education about PrEP between regions of the US, and to determine if correlations between regional HIV incidence and PrEP use were present.DesignSurvey study.ParticipantsA cross-sectional sample of health professions students (N = 1859) representing future prescribers (MD, DO, PA), pharmacists, and nurses in the US.Key resultsOverall, 83.4% of students were aware of PrEP, but only 62.2% of fourth-year students indicated they had been taught about PrEP at any time during their training. Education about PrEP was most comprehensive in the Northeastern US, the area with the highest PrEP to need ratio (4.7). In all regions, transgender patients and heterosexual men and women were least likely to be presented in education as PrEP candidates, and men who have sex with men were the most frequently presented.ConclusionsThere are marked differences in education regarding PrEP both between academic programs and regions of the USA.
| S-EPMC7573046 | biostudies-literature
Project description:BACKGROUND:Despite evidence supporting pre-exposure prophylaxis (PrEP) efficacy, there are concerns regarding the feasibility of widespread PrEP implementation among men who have sex with men (MSM). To inform the development of targeted PrEP delivery guidelines, sexual risk trajectories among HIV-negative MSM were characterized. METHODS:At semiannual visits from 2003 to 2011, HIV-negative MSM (N = 419) participating in the Multicenter AIDS Cohort Study provided data on sexual risk behaviors (SRBs) since their last visit. Based on their reported behaviors, participants were assigned a SRB score at each visit as follows: 0 = no insertive or receptive anal intercourse, 1 = no unprotected insertive or receptive anal intercourse, 2 = only unprotected insertive anal intercourse, 3 = unprotected receptive anal intercourse with 1 HIV-negative partner, 4 = condom serosorting, 5 = condom seropositioning, and 6 = no seroadaptive behaviors. Group-based trajectory modeling was used to examine SRB scores (<4 vs. ?4) and identify groups with distinct sexual risk trajectories. RESULTS:Three sexual risk trajectory groups were identified: low-risk (n = 264; 63.0%), moderate-risk (n = 96; 22.9%; mean duration of consecutive high-risk intervals ?1 year), and high-risk (n = 59; 14.1%; mean duration of consecutive high-risk intervals ?2 years). Compared to low-risk group membership, high-risk group membership was associated with younger age (in years) [adjusted odds ratio (AOR) = 0.92, 95% confidence interval (CI): 0.88 to 0.96], being White (AOR = 3.67, 95% CI: 1.48 to 9.11), earning an income ?$20,000 (AOR = 4.98, 95% CI: 2.13 to 11.64), distress/depression symptoms (Center for Epidemiologic Studies Depression Scale ? 16) (AOR = 2.36, 95% CI: 1.14 to 4.92), and substance use (AOR = 2.00, 95% CI: 1.01 to 3.97). CONCLUSIONS:Screening for the sociodemographic and behavioral factors described above may facilitate targeted PrEP delivery during high-risk periods among MSM.
| S-EPMC4026016 | biostudies-literature
Project description:PurposeHIV pre-exposure prophylaxis (PrEP) is highly efficacious, and yet most individuals indicated for it are not currently using it. To provide guidance for health policymakers, researchers, and community advocates, we developed county-level PrEP use estimates and assessed locality and policy associations.MethodsUsing data from a national aggregator, we applied a validated crosswalk procedure to generate county-level estimates of PrEP users in 2018. A multilevel Poisson regression explored associations between PrEP use and (1) state policy variables of Medicaid expansion and state Drug Assistance Programs (PrEP-DAPs) and (2) county-level characteristics from the U.S. Census Bureau. Outcomes were PrEP per population (prevalence) and PrEP-to-need ratio (PnR), defined as the ratio of PrEP users per new HIV diagnosis. Higher levels of PrEP prevalence or PnR indicate more PrEP users relative to the total population or estimated need, respectively.ResultsOur 2018 county-level data set included a total of 188,546 PrEP users in the United States. Nationally, PrEP prevalence was 70.3/100,000 population and PnR was 4.9. In an adjusted model, counties with a 5% higher proportion of black residents had 5% lower PnR (rate ratio (RR): 0.95, 95% confidence interval (CI): 0.93, 0.96). Similarly, counties with higher concentration of residents uninsured or living in poverty had lower PnR. Relative to states without Medicaid expansion or PrEP-DAPs, states with only one of those programs had 25% higher PrEP prevalence (RR: 1.25, 95% CI: 1.09, 1.45), and states with both programs had 99% higher PrEP prevalence (RR: 1.99, 95% CI: 1.60, 2.48). There was a significant linear trend across the three policy groups, and similar findings for the relation between PnR and the policy groups.ConclusionsIn a data set comprising approximately 80% of PrEP users in the United States, we found that Medicaid expansion and PrEP-DAPs were associated with higher PrEP use in states that adopted those policies, after controlling for potential confounders. Future research should identify which components of PrEP support programs have the most success and how to best promote PrEP among groups most impacted by the epidemic. States should support the admirable health decisions of their residents to get on PrEP by implementing policies that facilitate access.
| S-EPMC7246022 | biostudies-literature
Project description:Antiretroviral pre-exposure prophylaxis (PrEP) to prevent HIV transmission was first approved by the US Food and Drug Administration in 2012. Despite correlations of decreases in new HIV infections being greatest where PrEP has been deployed, the uptake of PrEP is lagging, particularly among populations with disproportionate HIV burden. This narrative review seeks to identify individual and systemic barriers to PrEP usage in the USA. A comprehensive search of recent literature uncovered a complex array of structural, social, clinical, and behavioral barriers, including knowledge/awareness of PrEP, perception of HIV risk, stigma from healthcare providers or family/partners/friends, distrust of healthcare providers/systems, access to PrEP, costs of PrEP, and concerns around PrEP side effects/medication interactions. Importantly, these barriers may have different effects on specific populations at risk. The full potential of PrEP for HIV prevention will not be realized until these issues are addressed. Strategies to achieve this goal should include educational interventions, innovative approaches to delivery of HIV care, financial support, and destigmatization of PrEP and PrEP users. Until then, PrEP uptake will continue to be suboptimal, particularly among those who need it most.
| S-EPMC7467490 | biostudies-literature
Project description:Human immunodeficiency virus (HIV) infection is now preventable with pre-exposure prophylaxis (PrEP) drugs, however, barriers to PrEP implementation include primary-care physician (PCP) knowledge-gap and lack of comfort prescribing and managing PrEP. We hypothesized that integrating HIV-PrEP education during medical-residency would help address these problems and developed a 40-minute case-based lecture focused on the 2021 United States Preventative Services Taskforce (USPSTF) oral HIV-PrEP guidelines and integrated this into our residency's core curriculum. We analyzed data from physician-trainees who voluntarily completed a pre- and post-lecture survey measuring HIV-PrEP "knowledge" and "self-assessed readiness to independently initiate and manage PrEP." Independent group analysis was completed via the Mann-Whitney U and Pearson Chi-square 2-sided test with P-value <0.05 deemed significant. Of the total of 189 residents invited to the lecture, 130 (69%) completed the pre-survey while 107 (57%) completed the post-survey. Per knowledge-assessment: the median number of correctly answered questions rose from a pre-lecture baseline of 4/9 (44%) to 8/9 (89%) following the education intervention (P < .001). When asked about comfort initiating and managing HIV-PrEP on their own, 7/130 (5.4%) responded in agreement pre-lecture, but this rose to 55/107 (51.4%) post-lecture (P < .001). Our study revealed PrEP training during residency was effective per stated objectives and may be an important tool to increase PrEP delivery/uptake to achieve the target goals for the National HIV/AIDS Strategy.
| S-EPMC10631327 | biostudies-literature
Project description:Antiretroviral pre-exposure prophylaxis (PrEP) is a promising HIV prevention strategy for HIV serodiscordant couples (HIV-infected male, uninfected female) seeking safer conception. However, most research on PrEP for safer conception has focused on couples in sub-Saharan Africa; little is known about the perspectives or experiences of heterosexual couples in the United States. We conducted qualitative interviews with six couples (six women and five of their male partners) receiving PrEP for conception services at an urban safety net hospital in the US Northeast. In-depth interview guides explored couple relationships and contextual factors and attitudes, perceptions, and decision-making processes surrounding PrEP for safer conception. Thematic analyses focused on identifying the following emergent themes. We found that couple relationships were situated within broader social and cultural contexts of immigration, family, and community that shaped their experiences with HIV and serodiscordant relationship status. Despite strong partner support within relationships, HIV stigma and disapproval of serodiscordant relationships contributed to couples' feelings of social isolation and subsequent aspirations to have "normal" families. By enabling "natural" conception through condomless sex, PrEP for safer conception provided a sense of enhanced relationship intimacy. Couples called for increasing public awareness of PrEP through positive messaging as a way to combat HIV stigma. Findings suggest that relationship dynamics and broader social contexts appear to shape HIV serodiscordant couples' fertility desires and motivations to use PrEP. However, increased public awareness of PrEP for safer conception may be needed to combat HIV stigma at the community level.
| S-EPMC5564004 | biostudies-literature
Project description:BackgroundDaily oral tenofovir disoproxil fumarate/emtricitabine (TDF/FTC) is effective for reducing human immunodeficiency virus (HIV) acquisition among cisgender women. We report results from the first US observational open-label demonstration project of pre-exposure prophylaxis (PrEP) among at-risk cisgender women.MethodsAdherence Enhancement Guided by Individualized Texting and Drug Levels was a 48-week, single-arm, open-label demonstration study of daily oral TDF/FTC in cisgender women ≥18 years old at risk for HIV. Adherence was supported using 2-way text messaging and titrated adherence counseling based on rapid-turnaround tenofovir diphosphate concentrations from dried blood spots. Study visits occurred at baseline, weeks 4 and 12, and quarterly through week 48. Outcomes included TDF/FTC adherence, retention, and persistence.ResultsFrom June 2016 to October 2018, 136 cisgender women enrolled (mean age, 40 years (standard deviation, 11); 38% non-Hispanic Black and 19% Latina). At 48 weeks, 84 (62%) participants were retained and 62 (46%) remained on PrEP. More than one-third (12/31) of those on study but off PrEP throughout the study discontinued TDF/FTC because of side effects, and 1 adverse event led to study discontinuation. Of 120 participants with drug concentrations measured, 67 (56%) had at least 1 concentration consistent with 6 doses/week; 22 (18%) had consistent ≥6 doses/week across all study visits attended. There were no incident HIV infections and 4 incident bacterial sexually transmitted infections.ConclusionAdequate PrEP adherence for protective drug concentrations was not achieved for most study participants. More work needs to be done to fully explicate the reasons for nonadherence and low retention in cisgender women.
| S-EPMC8492205 | biostudies-literature
Project description:Practice guidelines on pre-exposure prophylaxis (PrEP) for HIV serodiscordant couples recommend PrEP when the viral load of the partner living with HIV is either detectable or unknown. However, adherence to combination antiretroviral therapy is inconsistent, and research has found that individuals vulnerable to HIV place value on additional protective barriers. We conducted a prospective cohort study to assess the feasibility, perceptions, and adherence associated with periconceptional PrEP use among females without HIV and their male partners living with HIV across four academic medical centers in the United States. We performed descriptive statistics, McNemar's test of marginal homogeneity to assess discordance in female/male survey responses, and Spearman's correlation to determine associations between dried blood spot levels and female self-reported adherence to PrEP. We enrolled 25 women without HIV and 24 men living with HIV (one male partner did not consent to the study). Women took PrEP for a median of 10.9 months (interquartile range 3.8-12.0) and were generally adherent. In total, 87% of women (20/23) had a dried blood spot with >700 fmol/punch or ≥4 doses/week, 4% (1/23) at 350-699 fmol/punch or 2-3 doses/week, and 9% (2/23) at <350 fmol/punch or <2 doses/week (correlation between drug levels and adherence is based on prior data). Dried blood spot levels closely aligned with self-reported adherence (Spearman's rho = 0.64, p = 0.001). There were 10 pregnancies among 8 participants, 4 of which resulted in spontaneous abortions. There was one preterm delivery (36 5/7 weeks), no congenital abnormalities, and no HIV transmissions. Ten couples (40%) were either lost to follow-up or ended the study early. Overall, women attempting conception with male partners living with HIV in the United States are interested and able to adhere to PrEP as an additional tool for safer conception.
| S-EPMC7370981 | biostudies-literature
Project description:ContextIt is important for colleges of osteopathic medicine (COMs) to provide opportunities for osteopathic medical students (OMSs) to conduct research under the guidance of professional researchers. However, COMs historically lag behind allopathic medical schools in research offerings for medical students. The literature would benefit from a synopsis of research opportunities for OMSs at COMs.ObjectivesThis study aims to assess the availability of research opportunities currently offered to OMSs and to identify structured research programs (SRPs) to provide data that may help COMs expand such opportunities.MethodsTwo online surveys were developed. The General Survey asked about general research opportunities, research requirements, and SRPs, which we define as optional, intramural, and mentored research programs. The follow-up SRP Survey sought to understand the history, funding, and organizational structure of SRPs. Between February and June 2021, the General and SRP Surveys were sent to all COMs in the United States. Response data were analyzed descriptively.ResultsResponses were received from 32 (84.2%) of 38 COMs. Nearly all COMs offered research symposia, offered third- or fourth-year research elective rotations, and provided some form of funding for OMSs to participate in research. Fourteen (43.8%) COMs had mandatory research requirements. Twenty COMs (62.5%) offered 31 SRPs, and surveys were completed for 25 (80.6%) SRPs. SRPs were founded a median (range) of 7 (1-43) years prior and accommodated 20 (4-50) OMSs annually. Among the responding SRPs, 12.0% had external funding, 96.0% required applications, 50.0% interviewed applicants prior to acceptance into the program, 72.0% required OMSs to identify their own mentors, 68.0% offered stipends to OMSs, 28.0% offered course credits, 96.0% had clinical research opportunities, and 68.0% offered research-oriented didactics. In 84.0% of SRPs, OMSs worked predominantly in the summer after OMS-I; for these SRPs, students had 4-10 weeks of dedicated time for participation in research.ConclusionsFindings from our surveys provide a synopsis of the research opportunities currently provided by COMs in the United States. Our data demonstrated wide variability of research opportunities among COMs.
| S-EPMC9131179 | biostudies-literature