Towards HCV elimination amongpeople who inject drugs in Hai Phong,Vietnam: study protocol for aneffectiveness-implementation trialevaluating an integrated model of HCVcare (DRIVE-C: DRug use & Infectionsin ViEtnam–hepatitis C)

Delphine Rapoud*, Catherine Quillet, Khue Pham Minh, Vinh Vu Hai, Binh Nguyen Thanh, Thanh Nham Thi Tuyet, Hong Tran Thi, Jean-Pierre Moles, Roselyne Vallo, Laurent Michel, Jonathan Feelemyer, Laurence Weiss, Maud Lemoine, Peter T Vickerman, Hannah Fraser, Huong Duong Thi, Oanh Khuat Thi Hai, Don Des Jarlais, Nicolas Nagot, Didier Laureillard

*Corresponding author for this work

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Introduction In Vietnam, people who inject drugs (PWID), who are the major population infected by hepatitis C virus (HCV), remain largely undiagnosed and unlinked to HCV prevention and care despite recommended universal hepatitis C treatment. The data on the outcomes of HCV treatment among PWID also remain limited in resource-limited settings. The DRug use & Infections in ViEtnam–hepatitis C (DRIVE-C) study examines the effectiveness of a model of hepatitis C screening and integrated care targeting PWID that largely uses community-based organisations (CBO) in Hai Phong, Vietnam. In a wider perspective, this model may have the potential to eliminate HCV among PWID in this city. Methods and analysis The model of care comprises large community-based mass screening, simplified treatment with direct-acting antivirals (DAAs) and major involvement of CBO for PWID reaching out, linkage to care, treatment adherence and prevention of reinfection. The effectiveness of DAA care strategy among PWID, the potential obstacles to widespread implementation and its impact at population level will be assessed. A cost-effectiveness analysis is planned to further inform policy-makers. The enrolment target is 1050 PWID, recruited from the DRIVE study in Hai Phong. After initiation of pan-genotypic treatment consisting of sofosbuvir and daclatasvir administrated for 12 weeks, with ribavirin added in cases of cirrhosis, participants are followed-up for 48 weeks. The primary outcome is the proportion of patients with sustained virological response at week 48, that will be compared with a theoretical expected rate of 70%. Ethics and dissemination The study was approved by Haiphong University of Medicine and Pharmacy's Ethics Review Board and the Vietnamese Ministry of Health. The sponsor and the investigators are committed to conducting this study in accordance with ethics principles contained in the World Medical Association's Declaration of Helsinki (Ethical Principles for Medical Research Involving Human Subjects). Informed consent is obtained before study enrolment. The data are anonymised and stored in a secure database. The study is ongoing. Results will be presented at international conferences and submitted to international peer-review journals. Trial registration number NCT03537196.
Original languageEnglish
Article numbere039234
Number of pages11
JournalBMJ Open
Issue number11
Publication statusPublished - 18 Nov 2020

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