Strengthening systems of care for people with or at risk for HIV, HCV and opioid use disorder: a call for enhanced data collection.

BACKGROUND: The syndemic between opioid use disorder (OUD), hepatitis C virus (HCV), and human immunodeficiency virus (HIV) results in excessive burdens on the healthcare system. Integrating these siloed systems of care is critical to address all three conditions adequately. In this implementation project, we assessed the data capacity of the health system to measure a cascade of care (COC) across HIV, HCV and OUD services in five states to help guide public health planning. MATERIALS AND METHODS: Data for this study were gathered from publicly available datasets and reports from government (SAMSHA, CMS, HRSA and CDC) sites. We created, where possible, COCs for HIV, HCV, and OUD spanning population estimate, diagnosis, treatment initiation, treatment retention, and patient outcomes for each of five states in the study. RESULTS: The process of data collection showed that baseline COCs examining the intersections of OUD, HIV, and HCV cannot be produced and that there are missing data in all states examined. Collection of specific data points is not consistent across all states. States are better at reporting HIV cascades due to federal requirements. Only gross estimates could be made for OUD cascades in all states because data are separated by payer source, leaving no central point of data collection from all sources. Data for HCV were not publicly available. CONCLUSION: It is difficult to assess the strategies needed or the progress made towards increasing treatment access and decreasing the burden of disease without the ability to construct an accurate baseline. Using integrated COCs with relevant benchmarks can not only guide public health planning, but also provide meaningful targets for intervention.KEY MESSAGESWhile HIV COCs are available for most states at least annually, they are not disaggregated for populations with co-occurring OUD or HCV.Data to calculate HCV COC are not available and data to calculate OUD COC are partially available, but only for specific payers.States do not have systems in place to measure the scope of the syndemic or to identify targets for quality improvement activities.

Willingness to initiate pre-exposure prophylaxis (PrEP) and its use among opioid-dependent individuals in drug treatment.

BACKGROUND: People who use drugs (PWUD) continue to experience a disproportionate HIV burden due to drug- and sex-related risk behaviors. Pre-exposure prophylaxis (PrEP) is highly effective at preventing HIV infection, but very little is known about PrEP use among PWUD and their willingness to initiate PrEP. METHODS: We conducted a cross-sectional survey among 234 HIV-negative, opioid-dependent individuals recruited from an urban methadone clinic. Participants were assessed using an audio-computer assisted self-interview technique. Bivariate and multiple logistic regressions were used to explore independent correlates of actual PrEP use and willingness to initiate PrEP. RESULTS: One-fourth (25.6 %) of participants had previously used PrEP. Over two-thirds (67.1 %) of participants had previously heard of PrEP, and 65.0 % were willing to take it. In multivariable logistic regression analyses, the number of times participants engaged in HIV testing (aOR = 1.66, p < 0.01) and whether they visited a healthcare provider (aOR=20.81, p = 0.02) were associated with a higher likelihood of PrEP use, while perceived HIV risk (aOR=2.71, p < 0.01) and previous use of PrEP (aOR=3.57, p < 0.01) were significantly associated with willingness to initiate PrEP. CONCLUSION: PrEP use was low among PWUD, but their willingness to initiate PrEP was moderate, which indicated a significant discrepancy between actual PrEP use and willingness to use it. Our findings highlight the importance of healthcare providers engaging opioid-dependent individuals in discussions about PrEP and the need for innovative strategies to increase their awareness of PrEP and modify their perceptions of HIV risk.

Awareness about and willingness to use long-acting injectable pre-exposure prophylaxis (LAI-PrEP) among people who use drugs.

In the Bangkok Tenofovir Study of oral pre-exposure prophylaxis (PrEP; TDF/FTC), adherence was poor. Long-acting injectable pre-exposure prophylaxis (LAI-PrEP) for HIV prevention may help overcome adherence challenges and is currently being tested in clinical trials, but not in people who use drugs (PWUD), an important key population that remains highly vulnerable to HIV. Since PWUD are not currently included in trials of LAI-PrEP, we sought to examine awareness about LAI-PrEP and factors associated with willingness to use LAI-PrEP in this understudied population. Participants included 234 HIV-negative people with opioid use disorder and self-reported HIV-risk behaviors recruited from Connecticut's largest addiction treatment program. We analyzed data from a standardized assessment using audio computer-assisted self-interview (ACASI) to assess the independent factors associated with willingness to use LAI-PrEP. While only 25.6% of participants were aware of LAI-PrEP (67.1% had heard of oral PrEP), after being given a description of it, 73.5% were willing to use it, if it were available. Participants were most commonly concerned about long-term side effects (76.9%) of LAI-PrEP. Independent correlates of willingness to use LAI-PrEP were female sex (aOR = 2.181, p = 0.018), recent visit to healthcare provider (aOR = 2.9, p = 0.023), high perceived risk of acquiring HIV (aOR = 3.3, p = 0.007), and having previously taken oral PrEP (aOR = 3.284, p = 0.017). Findings suggest that PWUD are highly interested in PrEP, especially in LAI-PrEP formulations. Our results indicate the potential for LAI-PrEP, as an alternative to oral daily PrEP, to be implemented into existing evidence-based HIV-based HIV prevention efforts that target high-risk PWUD.