Liucheng Shi

Background: Evidence suggests low diagnostic test utilization and high empiric prescribing rates for vaginitis symptoms. This study retrospectively assessed real-world bacterial vaginosis (BV), vulvovaginal candidiasis (VVC), and trichomoniasis (TV) treatment patterns in the United States relative to test results and their timing. Methods: Patients with vaginitis or related symptom diagnosis were identified between 2018 and 2023 in an ambulatory electronic medical record database linked to prescription and outpatient medical claims databases. Pregnant and nonpregnant subgroups were stratified by test type (nucleic acid amplification test [NAAT] panel [BV, VVC, and TV], direct probe, or traditional methods) up to first diagnosis date +2 days. Treatment claims before (empiric) and up to 7 days after (informed) the test result date were assessed. Results: There were 1465 pregnant and 13,447 nonpregnant patients meeting selection criteria; 31.7%, 26.3%, and 2.0% of pregnant and 26.6%, 16.1%, and 2.0% of nonpregnant cohorts had positive results for BV, VVC, and TV, respectively. Empiric treatment was common across treated pregnant subgroups tested with laboratory NAAT panel (55.0%), direct probe (35.5%), and traditional methods (66.7%), and nonpregnant subgroups (55.7%, 52.2%, 74.2%, respectively). Many empiric treatments were not aligned to positive test results, including coinfections (e.g., 6.5%–8.2% of pregnant and 11.7%–13.0% of nonpregnant patients who tested BV positive by NAAT panel or direct probe were empirically treated with antifungal agents for VVC). Conclusions: High empiric treatment rates and evidence of inappropriate treatment highlight the potential utility for rapid, accurate tests to diagnose common vaginal infections, to inform clinical decision making and results-guided prescribing at the point of care.

Background: Oral anticoagulants (OACs), such as apixaban and warfarin, are indicated for reducing the risk of recurrent venous thromboembolism (VTE) and are often initiated in the hospital. The aim of this study was to evaluate OAC continuity from inpatient to outpatient settings and the risk of recurrent VTE among patients with an initial event. Methods: This retrospective cohort study utilized hospital charge data and medical and prescription claims from 1 July 2016 to 31 December 2022 to identify adults treated with apixaban or warfarin while hospitalized for VTE. Patients were followed to assess switching or discontinuation post-discharge and the risk of recurrent VTE. The index date was the date of the first apixaban or warfarin claim within 30 days post-discharge. Results: Of the 19,303 eligible patients hospitalized with VTE, 85% (n = 16,401) were treated with apixaban and 15% (n = 2902) received warfarin. After discharge, approximately 70% had ≥1 fill for their respective apixaban or warfarin therapy. The cumulative incidence of discontinuation over the 6 months following index was 50.5% and 52.2% for the apixaban and warfarin cohorts, respectively; the cumulative incidence of switching was 6.0% and 20.9%, respectively. The incidence rates of recurrent VTE were 1.2 and 2.5 per 100 person-years for the apixaban and warfarin cohorts, respectively. Conclusions: The majority of patients continued their apixaban or warfarin therapy following hospital discharge; however, a considerable proportion either switched or discontinued OAC upon transitioning from inpatient care. Among those who continued therapy, discontinuation, switch, and recurrent VTE occurred less often with apixaban vs. warfarin.

Meningococcal serogroup B (MenB) vaccination is recommended by the Advisory Committee on Immunization Practices (ACIP) for adolescents and young adults 16-23-years-old under shared clinical decision-making (SCDM). However, MenB vaccination coverage in this population remains low in the United States (US). We investigated the awareness, attitudes, and practices regarding MenB disease and vaccination among parents of 16-18-year-old older adolescents and among 19-23-year-old young adults. An online survey was conducted in September-October 2022 among parents of older adolescents and among young adults recruited from a US-based patient panel. There were 606 total participants, including parents of MenB-vaccinated (n = 151) and non-vaccinated (n = 154) adolescents, and also MenB-vaccinated (n = 150) and non-vaccinated (n = 151) young adults. Non-vaccinated cohorts reported low awareness of MenB disease (58.3-67.5%) and vaccination (49.7-61.0%), though awareness was higher among non-vaccinated parents. However, all cohorts reported high interest in learning more about MenB disease and vaccination. Vaccinated cohorts relied on primary care providers (PCPs) to initiate MenB vaccination conversation and had a low awareness of SCDM at 35.1-45.3%, though those aware of SCDM were more likely to participate in decision-making. Barriers to MenB vaccination included lack of PCP recommendation, vaccine side effects, and uncertainty about vaccination need. There are gaps in awareness of MenB disease, vaccination, and SCDM among parents and patients in the US, resulting in missed opportunities for discussing and administering MenB vaccination. Targeted education on MenB and vaccination recommendations may increase these opportunities and improve MenB vaccination awareness and initiation.