Implementation of mechanistic modeling and global sensitivity analysis (GSA) for design, optimization, and scale-up of a roller compaction process.

The pharmaceutical industry has been shifting towards the application of mechanistic modeling to improve process robustness, enable scale-up, and reduce time to market. Modeling approaches have been well-developed for processes such as roller compaction, a continuous dry granulation process. Several mechanistic models/approaches have been documented with limited application to high drug-loaded formulations.

Development of simple, rapid, and sensitive methods for detection of hepatitis C virus RNA from whole blood using reverse transcription loop-mediated isothermal amplification.

Hepatitis C virus (HCV) infection is an underdiagnosed global health problem. Diagnosis of current HCV infections typically requires testing for HCV RNA using high-complexity laboratory tests. Methods for the detection of HCV RNA that are simple, inexpensive, rapid, and compatible with use outside of a laboratory setting are very important in order to improve access to hepatitis C diagnostic testing and facilitate accelerated linkage to care.

Prevalence and determinants of hepatitis delta virus infection among HIV/hepatitis B-coinfected adults in care in the United States.

Hepatitis delta virus (HDV) infection increases the risk of liver complications compared to hepatitis B virus (HBV) alone, particularly among persons with human immunodeficiency virus (HIV). However, no studies have evaluated the prevalence or determinants of HDV infection among people with HIV/HBV in the US. We performed a cross-sectional study among adults with HIV/HBV coinfection receiving care at eight sites within the Center for AIDS Research Network of Integrated Clinical Systems (CNICS) between 1996 and 2019.

Assessing the impact of the routine childhood hepatitis B immunization program and the need for hepatitis B vaccine birth dose in Sierra Leone, 2018.

Sierra Leone is highly endemic for hepatitis B virus (HBV) infection and thus recommends three doses of hepatitis B vaccine (HepB3) from 6 weeks of age but does not recommend a birth dose (HepB-BD) to prevent mother-to-child transmission (MTCT). We evaluated impact of the existing HepB3 schedule and risk for MTCT of HBV. We conducted a community-based serosurvey among 4-30-month-olds, their mothers, and 5-9-year-olds in three districts in Sierra Leone.

Evaluation of the LIGHT Curriculum: An African American Church-Based Curriculum for Training Lay Health Workers to Support Advance Care Planning, End-of-Life Decision Making, and Care.

Lay health workers (LHWs) engaging African Americans in conversations about advance care planning (ACP) often have felt unprepared for the challenges of communicating with patients as they approach the end of life. We developed a church-based training curriculum, LIGHT (Listening, Identifying, Guiding, Helping, Translating), in response to this need. To evaluate the LIGHT Curriculum by assessing its impact on knowledge, beliefs and attitudes, and self-efficacy of the learners; describing their assessment of the classroom component of the training; and describing their visit activities, and perceptions derived during client visits.

LIGHT: A Church-Based Curriculum for Training African American Lay Health Workers to Support Advance Care Planning and End-of-Life Decision-Making.

African Americans with life-limiting illnesses experience significant health inequities. Lay health workers (LHWs) may help overcome existing challenges of communicating with African Americans about advance care planning (ACP) and end-of-life decision-making. Church-based LHWs have some advantages over other LHWs but no curriculum exists to fully prepare them.

Liver Pathologic Changes After Direct-Acting Antiviral Agent Therapy and Sustained Virologic Response in the Setting of Chronic Hepatitis C Virus Infection.

Context.—: Treatment of chronic viral hepatitis C (HCV) infection with direct-acting antiviral agents (DAAs) results in cure, or sustained viral response (SVR), in more than 90% of patients. However, there are subsets of patients who have persistent liver inflammation and fibrosis and develop hepatocellular carcinoma (HCC) despite achieving SVR.

Faith Beliefs of African American Church Leaders Are Aligned With the Principles of Palliative and Hospice Care: A Community-Based Assessment and Intervention.

Background: African American (AA) church leaders often advise AAs with serious and life-limiting illnesses (LLIs).

Objectives: 1) determine beliefs of AA church leaders about palliative care and hospice care (PCHC), 2) assess association of participants' attitude about encouraging a loved one to learn about PCHC with whether PC or HC is consistent with faith beliefs and can reduce suffering and bring comfort, and 3) evaluate an interactive, educational intervention.

Design: prospective, one group, pre and post assessment of beliefs and attitudes Settings/Subjects: 100 church leaders from 3 AA Churches and one AA Church Consortium.

Impact of nucleic acid extraction platforms on hepatitis virus genome detection.

Detection and quantification of viral nucleic acids are important for diagnosing current viral infections and monitoring response to antiviral therapy. Automated nucleic acid extraction and purification platforms are routinely used during the first step in these processes in clinical and research laboratories. Here, we compare the extraction efficiencies of four MagNA Pure magnetic bead-based nucleic acid extraction platforms and associated kits using samples positive for nucleic acids from HAV, HBV, HCV, HDV, and HEV.

Engaging the African American Church to Improve Communication About Palliative Care and Hospice: Lessons From a Multilevel Approach.

Background: As the spiritual family for many African Americans, the church presents an opportunity to improve communication about palliative care and hospice (PCH). However, sustainable change in church-based, practices related to PCH requires a compreshensive, multilevel approach.

Objectives: Our primary goal was to encourage churches to embrace palliative care and hospice as acceptable alternatives for end-of-life care by creating venues to improve communications about PCH.

Evaluation of interprofessional health care team communication simulation in geriatric palliative care.

An interprofessional education (IPE) simulation-based geriatric palliative care training was developed to educate health professions students in team communication. In health care, interprofessional communication is critical to team collaboration and patient and family caregiver outcomes. Studies suggest that acquiring skills to work on health care teams and communicate with team members should occur during the early stage of professional education.

Clinical and virological heterogeneity of hepatitis delta in different regions world-wide: The Hepatitis Delta International Network (HDIN).

Background & Aims: Chronic hepatitis D (delta) is a major global health burden. Clinical and virological characteristics of patients with hepatitis D virus (HDV) infection and treatment approaches in different regions world-wide are poorly defined.

Methods: The Hepatitis Delta International Network (HDIN) registry was established in 2011 with centres in Europe, Asia, North- and South America.

Risk Factors Associated with Blood Exposure for Sporadic Hepatitis E in Dhaka, Bangladesh.

Fecal contamination of drinking water is associated with large hepatitis E virus (HEV) outbreaks of genotypes 1 and 2 in endemic areas. Sporadic transmission of HEV genotypes 3 and 4 in high-income countries has been associated with exposure to blood and animal contact. The objective of the study was to identify the risk factors for hepatitis E and the genotype(s) causing sporadic hepatitis E in Dhaka, Bangladesh.

Genome Sequence of a Genotype 2 Hepatitis E Virus World Health Organization Reference Strain.

We report here the sequence of a genotype 2a reference strain of hepatitis E virus (HEV), developed on behalf of the World Health Organization. The HEV reference strain is intended for use in assays based on nucleic acid amplification for the validation of HEV RNA detection.

Development of the SIOPE DIPG network, registry and imaging repository: a collaborative effort to optimize research into a rare and lethal disease.

Diffuse intrinsic pontine glioma (DIPG) is a rare and deadly childhood malignancy. After 40 years of mostly single-center, often non-randomized trials with variable patient inclusions, there has been no improvement in survival. It is therefore time for international collaboration in DIPG research, to provide new hope for children, parents and medical professionals fighting DIPG.

Improving Pediatric Education for Emergency Medical Services Providers: A Qualitative Study.

Objectives: Previous studies have illustrated pediatric knowledge deficits among Emergency Medical Services (EMS) providers. The purpose of this study was to identify perspectives of a diverse group of EMS providers regarding pediatric prehospital care educational deficits and proposed methods of training improvements.

Methods: Purposive sampling was used to recruit EMS providers in diverse settings for study participation.

Large amplitude wavelength modulation spectroscopy for sensitive measurements of broad absorbers.

We demonstrate large amplitude wavelength modulation spectroscopy (WMS) with a MEMS-tunable vertical cavity surface-emitting laser (MEMS-VCSEL) to measure high-density gases. WMS enables sensitive measurements of gas phase thermodynamic properties in harsh environments, but has been limited to moderate pressure and density conditions because of the narrow tuning range of traditional DFB lasers. The MEMS-tunable laser is able to rapidly modulate across the broadened features of high-density gas mixtures to produce the harmonic signals in the detected light intensity typical of WMS.

Essentials of infection prevention in the pediatric population.

Application of infection prevention and control (IP&C) measures is synonymous with safety, quality, resource saving, and the rights of all patients, staff and visitors. An extensive literature review was undertaken to identify key IP&C measures that address pediatric-specific requirements, taking into account age-related factors, diseases that occur most frequently among pediatric populations, and the important role of the caregiver in prevention and disease transmission. IP&C initiatives that target and incorporate both human (intrinsic) and environmental (extrinsic) sources of infection are population specific and guide practices and provide safe caring environments when used appropriately.

Hepatitis B Reverse Seroconversion and Transmission in a Hemodialysis Center: A Public Health Investigation and Case Report.

In March 2013, public health authorities were notified of a new hepatitis B virus (HBV) infection in a patient receiving hemodialysis. We investigated to identify the source and prevent additional infections. We reviewed medical records, interviewed the index patient regarding hepatitis B risk factors, performed HBV molecular analysis, and observed infection control practices at the outpatient hemodialysis facility where she received care.

The Impact of Faith Beliefs on Perceptions of End-of-Life Care and Decision Making among African American Church Members.

Background: African Americans underuse palliative care and hospice services because of a combination of factors including faith beliefs. As the spiritual family for many African Americans, the church presents an opportunity to improve communication about palliative care and hospice and end-of-life (EOL) decision making.

Objectives: We conducted a focus group study to understand the cultural and spiritual perspectives that influence decisions about palliative care and hospice among African American church members who visit and support persons with life-limiting illnesses.

Seasonal thermal ecology of adult walleye (Sander vitreus) in Lake Huron and Lake Erie.

The purpose of this study was to characterize thermal patterns and generate occupancy models for adult walleye from lakes Erie and Huron with internally implanted biologgers coupled with a telemetry study to assess the effects of sex, fish size, diel periods, and lake. Sex, size, and diel periods had no effect on thermal occupancy of adult walleye in either lake. Thermal occupancy differed between lakes and seasons.

A Large Outbreak of Hepatitis C Virus Infections in a Hemodialysis Clinic.

BACKGROUND In November and December 2012, 6 patients at a hemodialysis clinic were given a diagnosis of new hepatitis C virus (HCV) infection. OBJECTIVE To investigate the outbreak to identify risk factors for transmission. METHODS A case patient was defined as a patient who was HCV-antibody negative on clinic admission but subsequently was found to be HCV-antibody positive from January 1, 2008, through April 30, 2013.