Virtual Cascade of Care Cohort study
The Virtual Cascade of Care Cohort (VCCC) study tracks people who use injection drugs and their interactions with the healthcare system.
Approximately 250,000 people in Canada live with chronic hepatitis C virus (HCV) infection, a major cause of liver-related morbidity and mortality.[1,2]
People who inject drugs (PWID) are the principal group at risk.
- >60% have been exposed to the virus, as indicated by presence of anti-HCV antibodies[3,4]
- Injection drug use estimated to contribute >60% of total HCV disease burden.
Advances in treatment suggest HCV could be eliminated as a public health threat by 2030
- However, high prevalence and low treatment uptake in PWID suggest this will require greatly increased engagement in health services
- Although HCV antibody screening is broadly accessible this typically occurs in settings with no systematic linkage to care strategy
The Virtual Cascade of Care Cohort study aims to:
- Document and analyze the entire HCV cascade of care for current/former PWID (from community to post-treatment).
- Identify modifiable determinants of access to HCV care/treatment.
- Examine the long-term impact of HCV care/treatment on liver and non-liver comorbidities.
The target population includes people who have ever injected drugs and are vulnerable to unmet healthcare needs.
- Ever injected drugs.
- Recent drug or heavy alcohol use (past six months).
- Intend to remain in province of recruitment for 5 years.
- HCV-negative (including previously treated) individuals are eligible to participate.
Recruitment took place in community-based harm reduction and addiction services with no linkage to HCV care.
During a single study visit (baseline):
- A 10-minute questionnaire – modelled on the candidacy framework
- Rapid HCV antibody testing – results returned in 20 minutes
- Dried Blood Spot collection for RNA detection & genotyping
– banked at CHUM, research purposes only
- Informed consent to access records held in federal & provincial health administrative databases
– 5 years retrospective, 5 years prospective
The VCCC study began in Montreal, Sherbrooke and Shawinigan, Quebec, and the Saskatchewan part of the study, overseen by Pewaseskwan, commenced in La Ronge in November 2019 and continued in Saskatoon in 2020. The pilot phase is now complete and analysis of the results is underway.
National funding for a larger scale project is in place and we are moving from the pilot to the main study. The communities/sites are still to be determined but Saskatoon could be one of them. There has also been a change to the protocol from the pilot, such as following participants for 10 years before and after, rather than five.
This study is supported by the CanHepC through funding provided by the Canadian Institutes of Health Research (CIHR) and the Public Health Agency of Canada (PHAC).
For more information on VCCC in Saskatchewan, contact:
Kehinde Ametepee – email@example.com
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Most of our team lives and works on Treaty 6 territory and the Homeland of the Métis. The original peoples of these lands are the Cree, Saulteaux, Dene, Dakota, Lakota, Nakota, and Métis. Others are based in Vancouver, on the unceded lands of the xʷməθkʷəy̓əm (Musqueam), Sḵwx̱wú7mesh (Squamish) and səlilwətaʔɬ (Tsleil-Waututh) peoples. We encourage everyone, wherever they are, to learn about the Indigenous people of the lands on which they live and work. We seek to become engaged allies together. In the spirit of truth and reconciliation, we respect the self-determination of First Nations, Métis and Inuit – in their cultures, languages and their pursuit of wellness.
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