Expanded HIV Care in Opioid Substitution Treatment (EHOST) Trial

Status Completed

Clinical Trial Summary

Opioid Substitution Treatment (OST) provides a critical opportunity for HIV testing and linkage to antiretroviral treatment. The EHOST study will evaluate a prescriber-focused intervention to increase HIV testing rates, and optimize antiretroviral treatment, re-engagement and retention outcomes among individuals engaged in OST. 46 OST sites in British Columbia will be randomly allocated into three clusters. Clusters will initiative the intervention at different time points, or steps, with every cluster receiving the intervention.

Clinical Trial Description

The public health response to the HIV/AIDS epidemic has turned its focus on means of optimizing health care delivery, and re-engineering delivery systems to maximize case identification, as well as access and sustained engagement in antiretroviral treatment. Opioid Substitution Treatment (OST) provides a critical opportunity for HIV testing and linkage to antiretroviral treatment. The EHOST study is a cluster-randomized, stepped-wedge trial to evaluate a prescriber-focused intervention to increase HIV testing rates, and optimize antiretroviral treatment re-engagement and retention outcomes among individuals engaged in OST. The study will encompass all drug treatment clinics currently admitting patients for the treatment of opioid dependence across the province of British Columbia, which are thought to treat 90% of the OST caseload. The trial will be executed over a 24-month period, with groups of clinics receiving the intervention in 6-month intervals. Evaluation of the effectiveness of the proposed intervention will be conducted entirely through existing data collection mechanisms, and focuses on three primary outcomes: (i) the HIV testing rate among those not known to be HIV positive; (ii) the rate of Highly Active Antiretroviral (HAART) initiation among those not on HAART; and (iii) the rate of HAART continuation among those on HAART. Despite the randomized delivery of the intervention, a difference-in-differences analytical framework will be applied to adjust for potential residual heterogeneity in patient case mix, volume, and quality of care across OST clinics. Facilitated by established collaborations between key stakeholders across the province, we hypothesize that the EHOST intervention will optimize HIV testing and care within this marginalized and hard-to-reach population. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02440256
Study type	Interventional
Source	Simon Fraser University
Contact
Status	Completed
Phase	N/A
Start date	September 2015
Completion date	March 2017

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Expanded HIV Care in Opioid Substitution Treatment (EHOST) Trial — EHOST

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms