Hepatitis C Treatment Uptake Following Dried Blood Spot Testing for Hepatitis C RNA in New South Wales, Australia: The NSW DBS Pilot Study
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PROVIDER: S-EPMC10665037 | biostudies-literature | 2023 Oct
REPOSITORIES: biostudies-literature
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Project description:BackgroundDried blood spot (DBS) testing provides an alternative to phlebotomy and addresses barriers to accessing healthcare experienced by some key populations. Large-scale evaluations of DBS testing programs are needed to understand their feasibility. This study evaluated the implementation of a state-wide DBS HIV and hepatitis C virus (HCV) testing pilot.MethodsThe New South Wales (NSW) DBS Pilot is an interventional cohort study of people testing for HIV antibody and/or HCV RNA from DBS samples in NSW, Australia. Participants at risk of HIV/HCV participated in testing via: 1) self-registration online with a DBS collection kit delivered and returned by conventional postal service; or 2) assisted DBS sample collection at 36 community health sites (including drug treatment and harm-minimisation services) and prisons. Participants received results by text (HIV antibody/ HCV RNA not detected) or a healthcare provider (HIV antibody/ HCV RNA detected). The RE-AIM framework was used to evaluate reach, effectiveness, adoption, and implementation.ResultsReach: Between November 2016 and December 2020, 7,392 individuals were tested for HIV and/or HCV (21% self-registration, 34% assisted in community, and 45% assisted in prison).EffectivenessOf 6,922 people tested for HIV (19% men who have sex with men, 13% living outside major cities, 21% born outside Australia), 51% (3,521/6,922) had no HIV test in the past two years, 0.1% (10/6,922) were newly diagnosed with HIV, and 80% (8/10) initiated HIV treatment within six months. Of 5,960 people tested for HCV (24% women, 35% Aboriginal and/or Torres Strait Islander, 55% recently injected drugs), 15% had detectable HCV RNA (878/5,960), and 45% (393/878) initiated treatment within six months. Adoption: By the end of 2020, DBS via assisted registration was available at 36 community sites and 21 prisons.Implementation90% of DBS cards arriving at the laboratory had the three full spots required for testing; the proportion was higher in assisted (94%) compared to online (76%) registration.ConclusionsThis study demonstrated the feasibility of DBS testing for HIV and HCV in key populations including Aboriginal and Torres Strait Islander peoples, men who have sex with men, people who inject drugs, and demonstrated the utility of DBS in the prison setting.
| S-EPMC10823617 | biostudies-literature
Project description:BackgroundIn 2018, the Community-Based Research Centre (CBRC) invited gay, bisexual, trans, queer men and Two-Spirit and non-binary people (GBT2Q) at Pride Festivals across Canada to complete in-person Sex Now surveys and provide optional dried blood spot (DBS) samples screening for human immunodeficiency virus (HIV) and hepatitis C virus (HCV). As there is a lack of research evaluating the implementation of DBS sampling for GBT2Q in community settings, we aimed to evaluate this intervention, identifying key facilitators and ongoing challenges to implementing community-based DBS screening for HIV/HCV among GBT2Q.MethodsWe conducted sixteen one-on-one interviews with individuals involved with the community-based DBS collection protocol, including research staff, site coordinators, and volunteer DBS collectors. Most individuals involved with DBS collection were "peers" (GBT2Q-identified). The Consolidated Framework for Implementation Research (CFIR) guided our data collection and analysis.ResultsInterviewees felt that DBS collection was a low-barrier, cost-effective, and simple way for peers to quickly screen a large number of Sex Now respondents. Interviewees also noted that the community and peer-based aspects of the research helped drive recruitment of Sex Now respondents. Most interviewees felt that the provision of results took too long, and that some Sex Now respondents would have preferred to receive their test results immediately (e.g., rapid or point-of-care testing).ConclusionPeer-based DBS sampling can be an effective and relatively simple way to screen GBT2Q at Pride Festivals for more than one sexually transmitted and blood borne infection.
| S-EPMC9158154 | biostudies-literature
Project description:The main purpose of the study is to compare the acceptance and viability of three strategies aimed to screen hepatitis C virus (HCV) infection in a birth cohort by: a) invitation letter offering HCV screening with dried blood spot (DBS) testing at the primary care center, b) invitation letter offering both HCV and colorectal cancer (CCR) screening with faecal occult test (FOT) at the primary care center, and c) invitation letter offering self-collected screening at home for HCV and CCR.
| 2312242 | ecrin-mdr-crc
Project description:Comparison of transcript abundance estimates derived from DBS vs saliva vs gold standard peripheral blood mononuclear cell (PBMC) samples.
2016-07-27 | GSE79269 | GEO
Project description:Research on the association between psychosis and criminal offending has typically focused on violent offenders with chronic psychotic illness. This stages of psychosis in prison (SOPP) study used a clinical staging approach to identify adult men referred to prison mental health services who had an at-risk mental state (ARMS), first episode of psychosis (FEP) or an established psychotic illness. Of the 105 participants included, 6% were determined to have FEP, 6% met ARMS criteria and the remainder had an established psychotic illness. Compared to a prison control sample, individuals on the psychosis spectrum were found to have higher levels of social disadvantage and other co-occurring mental health and substance use problems but were not more likely to have committed a violent offence. These findings support the notion that risk of criminal justice contact and complex illness burden exist across the full spectrum of psychotic illness.
| S-EPMC10512751 | biostudies-literature
Project description:In this study Sydney rock oysters (S. glomerata) from six major sea ports of NSW, Australia were used as bioindicators to assess the distribution and levels of trace element accumulation in the ports. Substantial enrichment of Cu, Pb and Zn in the oysters of the sea ports were detected when compared to their background samples and the US Environmental Protection Agency (USEPA) provisional tolerable intake standard. Enrichment of As, Al, Fe, Mn, Br, Sr were also found in the oysters at the port areas. The bioconcentration ratios of the trace elements illustrated significant Fe, Cu, Zn, As, Mn, Al, Pb and Cr accumulation in S. glomerate. The biota sediment accumulation factor suggested Cu, Mn and Zn accumulation at two of the ports (Port Yamba and Botany), indicating availability of these metals in the oysters as strong metal accumulators. In addition, integrated metal contamination illustrated notable Fe, Zn, Cu and Al contamination at port environment, whereas cluster analysis portrayed interconnection between the contaminants and the study sites.
| S-EPMC6363737 | biostudies-literature
Project description:Comparison of transcript abundance estimates derived from DBS vs saliva vs gold standard peripheral blood mononuclear cell (PBMC) samples. Gene expression profiling was conducted using parallel collection and assay of venipuncture blood samples (PBMC), DBS samples, and saliva. Data come from 58 community dwelling adults recruited from the Los Angeles metropolitan area. Analyzed data include basic demographic characteristics (age, sex, race/ethnicity) and body mass index (BMI) as well as RNA indicators of major leukocyte subset prevalence (i.e., estimated abundance of mRNA for CD3, CD4, CD8, CD19, FCGR3A/CD16, NCAM1/CD56, and CD14; all provided here as log2-transformed values of normalized gene expression data). Categorial variables were coded 0=no/absent and 1=yes/present.
2016-07-27 | E-GEOD-79269 | biostudies-arrayexpress
Project description:Hepatitis B virus (HBV) care cascade characterisation is important for monitoring HBV elimination progress. This study evaluated care cascade and factors associated with HBV DNA testing and treatment in New South Wales, Australia. HBV care cascade were determined through linkage of HBV notifications (1993-2017) to Medicare and pharmaceutical benefits schemes (2010-2018). Timely HBV DNA testing was within 4 weeks of HBV notification. Multivariate Cox proportional hazards regression evaluated factors associated with HBV DNA testing and treatment. Among 15,202 people with HBV notification, 10,479 (69%) were tested for HBV DNA. A total of 3179 (21%) initiated HBV treatment. HBV DNA testing was more likely among age ≥45 years (adjusted hazard ratio [aHR] 1.07, 95% CI: 1.02, 1.12), hepatocellular carcinoma (HCC) (aHR 1.23, 95% CI: 1.01, 1.50), coinfection (aHR 1.61, 95% CI: 1.23, 2.09), later notification (2014-2017) (aHR 1.21, 95% CI: 1.16, 1.26) and less likely among females (aHR 0.95, 95% CI: 0.91, 0.99), history of alcohol use disorder (AUD) (aHR 0.77, 95% CI: 0.66, 0.89), HCV coinfection (aHR .62, 95% CI: 0.55, 0.70) and Indigenous peoples (aHR 0.84, 95% CI: 0.71, 0.98). HBV treatment was associated with age ≥45 years (aHR 1.35, 95% CI: 1.24, 1.48), decompensated cirrhosis (aHR 2.07, 95% CI: 1.62, 2.65), HCC (aHR 2.96, 95% CI: 2.35, 3.74), HIV coinfection (aHR 4.27, 95% CI: 3.43, 5.31) and later notification (2014-2017) (aHR 1.37, 95% CI: 1.26, 1.47). HBV treatment was less likely among females (aHR 0.68, 95% CI: 0.63, 0.73) and Indigenous peoples (aHR 0.58, 95% CI: 0.42, 0.80). HBV DNA testing and treatment coverage have increased, but remain sub-optimal among some key populations.
| S-EPMC10946799 | biostudies-literature
Project description:BackgroundIncreasingly, vaccine efficacy studies are being recommended in low-and-middle-income countries (LMIC), yet often facilities are unavailable to take and store infant blood samples correctly. Dried blood spots (DBS), are useful for collecting blood from infants for diagnostic purposes, especially in low-income settings, as the amount of blood required is miniscule and no refrigeration is required. Little is known about their utility for antibody studies in children. This systematic review aims to investigate the correlation of antibody concentrations against infectious diseases in DBS in comparison to serum or plasma samples that might inform their use in vaccine clinical trials.Methods and findingsWe searched MEDLINE, Embase and the Cochrane library for relevant studies between January 1990 to October 2020 with no language restriction, using PRISMA guidelines, investigating the correlation between antibody concentrations in DBS and serum or plasma samples, and the effect of storage temperature on DBS diagnostic performance. We included 40 studies in this systematic review. The antibody concentration in DBS and serum/plasma samples reported a good pooled correlation, (r2 = 0.86 (ranged 0.43 to 1.00)). Ten studies described a decline of antibody after 28 days at room temperature compared to optimal storage at -20°C, where antibodies were stable for up to 200 days. There were only five studies of anti-bacterial antibodies.ConclusionsThere is a good correlation between antibody concentrations in DBS and serum/plasma samples, supporting the wider use of DBS in vaccine and sero-epidemiological studies, but there is limited data on anti-bacterial antibodies. The correct storage of DBS is critical and may be a consideration for longer term storage.
| S-EPMC7959368 | biostudies-literature
Project description:Lesbian, gay, bisexual, transgender and gender diverse people, and queer people (LGBTQ people) are at increased risk of some chronic diseases and cancers. NSW Health palliative care health policy prioritises equitable access to quality care, however, little is known about community members' perspectives on palliative care. This study aimed to understand LGBTQ community views and preferences in palliative care in NSW. A community survey and follow-up interviews with LGBTQ people in NSW were conducted in mid-2020. A total of 419 people responded to the survey, with 222 completing it. Six semi-structured phone interviews were conducted with participants who volunteered for follow-up. The sample included LGBTQ people with varied levels of experience in palliative care. Thematic analysis was conducted on survey and interview data, to identify perceived barriers and enablers, and situate these factors in the socio-ecological model of health. Some perceived barriers from community members related to considering whether to be 'out' (i.e., making one's sexual orientation and gender known to services), knowledge and attitudes of staff, concern about potential substandard care or mistreatment (particularly for transgender health), decision making, biological family as a source of tension, and loneliness and isolation. Perceived enablers related to developing and distributing inclusive palliative care information, engaging with community(ies), fostering inclusive and non-discriminatory service delivery, ensuring respectful approaches to person-centred care, and staff training on and awareness building of LGBTQ needs and issues. Most of the participants who had experienced palliative care recounted positive interactions, however, we identified that LGBTQ people require better access to knowledgeable and supportive services. Palliative care information should be inclusive and services respectful and welcoming. Particular consideration should be given to how services respond to and engage with people from diverse population groups. These insights can support ongoing policy and service development activities to further enhance palliative care.
| S-EPMC10087150 | biostudies-literature