Characterization of HCV-infected people who inject drugs (PWID) in the setting of clinical care in Canada (CAPICA): A retrospective study.

Background: People who use drugs (PWUD) are among the highest risk category for becoming infected with the hepatitis C virus (HCV) in Canada. There is a need for more information on the demographics of HCV-infected PWUD/PWID who have recently injected drugs or who are actively injecting drugs. Methods: CAPICA was a multicentre, retrospective database/chart review conducted from October 2015 to February 2016 that was designed to characterize HCV-infected people who inject drugs (PWID) and are enrolled in clinical care in Canada. The aim was to identify factors of health care engagement essential in the design systems of HCV care and treatment in this population. The study enrolled 420 patients with a history of injection drug use within the last 12 months who had been diagnosed with chronic viremic HCV infection and had been participants in an outpatient clinical care setting in the past 12 months. Patients who were co-infected with HIV/HCV were excluded. Results: Harm reduction programs were in place at 92% (11/12) of the sites, and 75% (9) of these sites offered opioid agonist therapy (OAT), with 48% of the patients currently taking OAT. HCV genotype 1a was most prevalent (56%), followed by G3 (34%), and the most common fibrosis score was F1 (34%). The average reinfection rate was about 5%. Seventeen percent of the patients were undergoing HCV treatment or had recently failed therapy, while 83% were not being treated. Conclusions: In a multivariate analysis, the following factors were significantly associated with treatment: increasing age (OR 1.10), a fibrosis score of F4 (OR 4.91), moderate alcohol consumption (OR 3.70), and not using a needle exchange program (OR 6.95).

Perceived barriers related to testing, management and treatment of HCV infection among physicians prescribing opioid agonist therapy: The C-SCOPE Study.

The aim of this analysis was to evaluate perceived barriers related to HCV testing, management and treatment among physicians practicing in clinics offering opioid agonist treatment (OAT). C-SCOPE was a study consisting of a self-administered survey among physicians practicing at clinics providing OAT in Australia, Canada, Europe and the United States between April and May 2017. A 5-point Likert scale (1 = not a barrier, 3 = moderate barrier, 5 = extreme barrier) was used to measure responses to perceived barriers for HCV testing, evaluation and treatment across the domains of the health system, clinic and patient. Among the 203 physicians enrolled (40% USA, 45% Europe, 14% Australia/Canada), 21% were addiction medicine specialists, 29% psychiatrists and 69% were metro/urban. OAT physicians in this study reported poor access to on-site venepuncture (35%), point-of-care HCV testing (16%), and noninvasive liver disease assessment (25%). Only 30% of OAT physicians reported personally treating HCV infection. Major perceived health system barriers to HCV management included the lack of funding for noninvasive liver disease testing, long wait times to see an HCV specialist, lack of funding for new HCV therapies, and reimbursement restrictions based on drug/alcohol use. Major perceived clinic barriers included the lack of peer support programmes and/or HCV case managers to facilitate linkage to care, the need to refer people off-site for noninvasive liver disease staging, the lack of support for on-site phlebotomy and the lack of on-site delivery of HCV therapy. This study highlights several important modifiable barriers to enhance HCV testing, evaluation and treatment among PWID attending OAT clinics.

Perceptions and self-reported competency related to testing, management and treatment of hepatitis C virus infection among physicians prescribing opioid agonist treatment: The C-SCOPE study.

BACKGROUND: This study evaluated competency related to HCV testing, management and treatment among physicians practicing in clinics offering opioid agonist treatment (OAT). METHODS: C-SCOPE is a study consisting of a self-administered survey among physicians practicing at clinics providing OAT in Australia, Canada, Europe and USA between April-May 2017. A 7-point scale was used to measure < average competence (score >4 of 7) related to HCV testing, management and treatment. RESULTS: Among 203 physicians (40% USA, 45% Europe, 14% Australia/Canada) 21% were addiction medicine specialists, 29% psychiatrists, and 70% were metro/urban [mean PWID managed, 51; years of experience, 11]. The majority perceived HCV testing (82%) and treatment (85%) among PWID as important. The minority reported < average competence with respect to regular screening (12%) and interpretation of HCV test results (14%), while greater proportions reported < average competence in advising patients about new HCV therapies (28%), knowledge of new treatments (37%), and treatment/management of HCV (40%). In adjusted analysis, factors independently associated with < average self-reported competency related to the ability to treat HCV and manage side effects included fewer years in medical practice, fewer numbers of patients treated for HCV infection in the past six months, not having obtained information on screening, diagnosing or treatment of HCV, not having attended any training on HCV in the past year, and not having read or consulted AASLD/IDSA, EASL or other guidelines for HCV. CONCLUSION: Physicians treating HCV infection among PWID attending OAT clinics recognized the importance of HCV testing and treatment. However, self-perceived competency related to HCV management and treatment was low, highlighting the importance of improved HCV education and training among physicians practicing in clinics offering OAT.